inital import of missing-sources

14 files changed, 33474 insertions, 0 deletions

diff --git a/debian/missing-sources/bootstrap-toggle.css b/debian/missing-sources/bootstrap-toggle.css
new file mode 100644
index 000000000..057d08b36
--- /dev/null
+++ b/debian/missing-sources/bootstrap-toggle.css
@@ -0,0 +1,83 @@
+/*! ========================================================================
+ * Bootstrap Toggle: bootstrap-toggle.css v2.2.0
+ * http://www.bootstraptoggle.com
+ * ========================================================================
+ * Copyright 2014 Min Hur, The New York Times Company
+ * Licensed under MIT
+ * ======================================================================== */
+
+
+.checkbox label .toggle,
+.checkbox-inline .toggle {
+	margin-left: -20px;
+	margin-right: 5px;
+}
+
+.toggle {
+	position: relative;
+	overflow: hidden;
+}
+.toggle input[type="checkbox"] {
+	display: none;
+}
+.toggle-group {
+	position: absolute;
+	width: 200%;
+	top: 0;
+	bottom: 0;
+	left: 0;
+	transition: left 0.35s;
+	-webkit-transition: left 0.35s;
+	-moz-user-select: none;
+	-webkit-user-select: none;
+}
+.toggle.off .toggle-group {
+	left: -100%;
+}
+.toggle-on {
+	position: absolute;
+	top: 0;
+	bottom: 0;
+	left: 0;
+	right: 50%;
+	margin: 0;
+	border: 0;
+	border-radius: 0;
+}
+.toggle-off {
+	position: absolute;
+	top: 0;
+	bottom: 0;
+	left: 50%;
+	right: 0;
+	margin: 0;
+	border: 0;
+	border-radius: 0;
+}
+.toggle-handle {
+	position: relative;
+	margin: 0 auto;
+	padding-top: 0px;
+	padding-bottom: 0px;
+	height: 100%;
+	width: 0px;
+	border-width: 0 1px;
+}
+
+.toggle.btn { min-width: 59px; min-height: 34px; }
+.toggle-on.btn { padding-right: 24px; }
+.toggle-off.btn { padding-left: 24px; }
+
+.toggle.btn-lg { min-width: 79px; min-height: 45px; }
+.toggle-on.btn-lg { padding-right: 31px; }
+.toggle-off.btn-lg { padding-left: 31px; }
+.toggle-handle.btn-lg { width: 40px; }
+
+.toggle.btn-sm { min-width: 50px; min-height: 30px;}
+.toggle-on.btn-sm { padding-right: 20px; }
+.toggle-off.btn-sm { padding-left: 20px; }
+
+.toggle.btn-xs { min-width: 35px; min-height: 22px;}
+.toggle-on.btn-xs { padding-right: 12px; }
+.toggle-off.btn-xs { padding-left: 12px; }
+
diff --git a/debian/missing-sources/bootstrap-toggle.js b/debian/missing-sources/bootstrap-toggle.js
new file mode 100644
index 000000000..533914edd
--- /dev/null
+++ b/debian/missing-sources/bootstrap-toggle.js
@@ -0,0 +1,180 @@
+/*! ========================================================================
+ * Bootstrap Toggle: bootstrap-toggle.js v2.2.0
+ * http://www.bootstraptoggle.com
+ * ========================================================================
+ * Copyright 2014 Min Hur, The New York Times Company
+ * Licensed under MIT
+ * ======================================================================== */
+
+
+ +function ($) {
+ 	'use strict';
+
+	// TOGGLE PUBLIC CLASS DEFINITION
+	// ==============================
+
+	var Toggle = function (element, options) {
+		this.$element  = $(element)
+		this.options   = $.extend({}, this.defaults(), options)
+		this.render()
+	}
+
+	Toggle.VERSION  = '2.2.0'
+
+	Toggle.DEFAULTS = {
+		on: 'On',
+		off: 'Off',
+		onstyle: 'primary',
+		offstyle: 'default',
+		size: 'normal',
+		style: '',
+		width: null,
+		height: null
+	}
+
+	Toggle.prototype.defaults = function() {
+		return {
+			on: this.$element.attr('data-on') || Toggle.DEFAULTS.on,
+			off: this.$element.attr('data-off') || Toggle.DEFAULTS.off,
+			onstyle: this.$element.attr('data-onstyle') || Toggle.DEFAULTS.onstyle,
+			offstyle: this.$element.attr('data-offstyle') || Toggle.DEFAULTS.offstyle,
+			size: this.$element.attr('data-size') || Toggle.DEFAULTS.size,
+			style: this.$element.attr('data-style') || Toggle.DEFAULTS.style,
+			width: this.$element.attr('data-width') || Toggle.DEFAULTS.width,
+			height: this.$element.attr('data-height') || Toggle.DEFAULTS.height
+		}
+	}
+
+	Toggle.prototype.render = function () {
+		this._onstyle = 'btn-' + this.options.onstyle
+		this._offstyle = 'btn-' + this.options.offstyle
+		var size = this.options.size === 'large' ? 'btn-lg'
+			: this.options.size === 'small' ? 'btn-sm'
+			: this.options.size === 'mini' ? 'btn-xs'
+			: ''
+		var $toggleOn = $('<label class="btn">').html(this.options.on)
+			.addClass(this._onstyle + ' ' + size)
+		var $toggleOff = $('<label class="btn">').html(this.options.off)
+			.addClass(this._offstyle + ' ' + size + ' active')
+		var $toggleHandle = $('<span class="toggle-handle btn btn-default">')
+			.addClass(size)
+		var $toggleGroup = $('<div class="toggle-group">')
+			.append($toggleOn, $toggleOff, $toggleHandle)
+		var $toggle = $('<div class="toggle btn" data-toggle="toggle">')
+			.addClass( this.$element.prop('checked') ? this._onstyle : this._offstyle+' off' )
+			.addClass(size).addClass(this.options.style)
+
+		this.$element.wrap($toggle)
+		$.extend(this, {
+			$toggle: this.$element.parent(),
+			$toggleOn: $toggleOn,
+			$toggleOff: $toggleOff,
+			$toggleGroup: $toggleGroup
+		})
+		this.$toggle.append($toggleGroup)
+
+		var width = this.options.width || Math.max($toggleOn.outerWidth(), $toggleOff.outerWidth())+($toggleHandle.outerWidth()/2)
+		var height = this.options.height || Math.max($toggleOn.outerHeight(), $toggleOff.outerHeight())
+		$toggleOn.addClass('toggle-on')
+		$toggleOff.addClass('toggle-off')
+		this.$toggle.css({ width: width, height: height })
+		if (this.options.height) {
+			$toggleOn.css('line-height', $toggleOn.height() + 'px')
+			$toggleOff.css('line-height', $toggleOff.height() + 'px')
+		}
+		this.update(true)
+		this.trigger(true)
+	}
+
+	Toggle.prototype.toggle = function () {
+		if (this.$element.prop('checked')) this.off()
+		else this.on()
+	}
+
+	Toggle.prototype.on = function (silent) {
+		if (this.$element.prop('disabled')) return false
+		this.$toggle.removeClass(this._offstyle + ' off').addClass(this._onstyle)
+		this.$element.prop('checked', true)
+		if (!silent) this.trigger()
+	}
+
+	Toggle.prototype.off = function (silent) {
+		if (this.$element.prop('disabled')) return false
+		this.$toggle.removeClass(this._onstyle).addClass(this._offstyle + ' off')
+		this.$element.prop('checked', false)
+		if (!silent) this.trigger()
+	}
+
+	Toggle.prototype.enable = function () {
+		this.$toggle.removeAttr('disabled')
+		this.$element.prop('disabled', false)
+	}
+
+	Toggle.prototype.disable = function () {
+		this.$toggle.attr('disabled', 'disabled')
+		this.$element.prop('disabled', true)
+	}
+
+	Toggle.prototype.update = function (silent) {
+		if (this.$element.prop('disabled')) this.disable()
+		else this.enable()
+		if (this.$element.prop('checked')) this.on(silent)
+		else this.off(silent)
+	}
+
+	Toggle.prototype.trigger = function (silent) {
+		this.$element.off('change.bs.toggle')
+		if (!silent) this.$element.change()
+		this.$element.on('change.bs.toggle', $.proxy(function() {
+			this.update()
+		}, this))
+	}
+
+	Toggle.prototype.destroy = function() {
+		this.$element.off('change.bs.toggle')
+		this.$toggleGroup.remove()
+		this.$element.removeData('bs.toggle')
+		this.$element.unwrap()
+	}
+
+	// TOGGLE PLUGIN DEFINITION
+	// ========================
+
+	function Plugin(option) {
+		return this.each(function () {
+			var $this   = $(this)
+			var data    = $this.data('bs.toggle')
+			var options = typeof option == 'object' && option
+
+			if (!data) $this.data('bs.toggle', (data = new Toggle(this, options)))
+			if (typeof option == 'string' && data[option]) data[option]()
+		})
+	}
+
+	var old = $.fn.bootstrapToggle
+
+	$.fn.bootstrapToggle             = Plugin
+	$.fn.bootstrapToggle.Constructor = Toggle
+
+	// TOGGLE NO CONFLICT
+	// ==================
+
+	$.fn.toggle.noConflict = function () {
+		$.fn.bootstrapToggle = old
+		return this
+	}
+
+	// TOGGLE DATA-API
+	// ===============
+
+	$(function() {
+		$('input[type=checkbox][data-toggle^=toggle]').bootstrapToggle()
+	})
+
+	$(document).on('click.bs.toggle', 'div[data-toggle^=toggle]', function(e) {
+		var $checkbox = $(this).find('input[type=checkbox]')
+		$checkbox.bootstrapToggle('toggle')
+		e.preventDefault()
+	})
+
+}(jQuery);
diff --git a/debian/missing-sources/bootstrap.slate.css b/debian/missing-sources/bootstrap.slate.css
new file mode 100644
index 000000000..1e255597d
--- /dev/null
+++ b/debian/missing-sources/bootstrap.slate.css
@@ -0,0 +1,7271 @@
+/*!
+ * bootswatch v3.3.6
+ * Homepage: http://bootswatch.com
+ * Copyright 2012-2016 Thomas Park
+ * Licensed under MIT
+ * Based on Bootstrap
+*/
+/*!
+ * Bootstrap v3.3.6 (http://getbootstrap.com)
+ * Copyright 2011-2015 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ */
+/*! normalize.css v3.0.3 | MIT License | github.com/necolas/normalize.css */
+html {
+  font-family: sans-serif;
+  -ms-text-size-adjust: 100%;
+  -webkit-text-size-adjust: 100%;
+}
+body {
+  margin: 0;
+}
+article,
+aside,
+details,
+figcaption,
+figure,
+footer,
+header,
+hgroup,
+main,
+menu,
+nav,
+section,
+summary {
+  display: block;
+}
+audio,
+canvas,
+progress,
+video {
+  display: inline-block;
+  vertical-align: baseline;
+}
+audio:not([controls]) {
+  display: none;
+  height: 0;
+}
+[hidden],
+template {
+  display: none;
+}
+a {
+  background-color: transparent;
+}
+a:active,
+a:hover {
+  outline: 0;
+}
+abbr[title] {
+  border-bottom: 1px dotted;
+}
+b,
+strong {
+  font-weight: bold;
+}
+dfn {
+  font-style: italic;
+}
+h1 {
+  font-size: 2em;
+  margin: 0.67em 0;
+}
+mark {
+  background: #ff0;
+  color: #000;
+}
+small {
+  font-size: 80%;
+}
+sub,
+sup {
+  font-size: 75%;
+  line-height: 0;
+  position: relative;
+  vertical-align: baseline;
+}
+sup {
+  top: -0.5em;
+}
+sub {
+  bottom: -0.25em;
+}
+img {
+  border: 0;
+}
+svg:not(:root) {
+  overflow: hidden;
+}
+figure {
+  margin: 1em 40px;
+}
+hr {
+  -webkit-box-sizing: content-box;
+     -moz-box-sizing: content-box;
+          box-sizing: content-box;
+  height: 0;
+}
+pre {
+  overflow: auto;
+}
+code,
+kbd,
+pre,
+samp {
+  font-family: monospace, monospace;
+  font-size: 1em;
+}
+button,
+input,
+optgroup,
+select,
+textarea {
+  color: inherit;
+  font: inherit;
+  margin: 0;
+}
+button {
+  overflow: visible;
+}
+button,
+select {
+  text-transform: none;
+}
+button,
+html input[type="button"],
+input[type="reset"],
+input[type="submit"] {
+  -webkit-appearance: button;
+  cursor: pointer;
+}
+button[disabled],
+html input[disabled] {
+  cursor: default;
+}
+button::-moz-focus-inner,
+input::-moz-focus-inner {
+  border: 0;
+  padding: 0;
+}
+input {
+  line-height: normal;
+}
+input[type="checkbox"],
+input[type="radio"] {
+  -webkit-box-sizing: border-box;
+     -moz-box-sizing: border-box;
+          box-sizing: border-box;
+  padding: 0;
+}
+input[type="number"]::-webkit-inner-spin-button,
+input[type="number"]::-webkit-outer-spin-button {
+  height: auto;
+}
+input[type="search"] {
+  -webkit-appearance: textfield;
+  -webkit-box-sizing: content-box;
+     -moz-box-sizing: content-box;
+          box-sizing: content-box;
+}
+input[type="search"]::-webkit-search-cancel-button,
+input[type="search"]::-webkit-search-decoration {
+  -webkit-appearance: none;
+}
+fieldset {
+  border: 1px solid #c0c0c0;
+  margin: 0 2px;
+  padding: 0.35em 0.625em 0.75em;
+}
+legend {
+  border: 0;
+  padding: 0;
+}
+textarea {
+  overflow: auto;
+}
+optgroup {
+  font-weight: bold;
+}
+table {
+  border-collapse: collapse;
+  border-spacing: 0;
+}
+td,
+th {
+  padding: 0;
+}
+/*! Source: https://github.com/h5bp/html5-boilerplate/blob/master/src/css/main.css */
+@media print {
+  *,
+  *:before,
+  *:after {
+    background: transparent !important;
+    color: #000 !important;
+    -webkit-box-shadow: none !important;
+            box-shadow: none !important;
+    text-shadow: none !important;
+  }
+  a,
+  a:visited {
+    text-decoration: underline;
+  }
+  a[href]:after {
+    content: " (" attr(href) ")";
+  }
+  abbr[title]:after {
+    content: " (" attr(title) ")";
+  }
+  a[href^="#"]:after,
+  a[href^="javascript:"]:after {
+    content: "";
+  }
+  pre,
+  blockquote {
+    border: 1px solid #999;
+    page-break-inside: avoid;
+  }
+  thead {
+    display: table-header-group;
+  }
+  tr,
+  img {
+    page-break-inside: avoid;
+  }
+  img {
+    max-width: 100% !important;
+  }
+  p,
+  h2,
+  h3 {
+    orphans: 3;
+    widows: 3;
+  }
+  h2,
+  h3 {
+    page-break-after: avoid;
+  }
+  .navbar {
+    display: none;
+  }
+  .btn > .caret,
+  .dropup > .btn > .caret {
+    border-top-color: #000 !important;
+  }
+  .label {
+    border: 1px solid #000;
+  }
+  .table {
+    border-collapse: collapse !important;
+  }
+  .table td,
+  .table th {
+    background-color: #fff !important;
+  }
+  .table-bordered th,
+  .table-bordered td {
+    border: 1px solid #ddd !important;
+  }
+}
+@font-face {
+  font-family: 'Glyphicons Halflings';
+  src: url('../fonts/glyphicons-halflings-regular.eot');
+  src: url('../fonts/glyphicons-halflings-regular.eot?#iefix') format('embedded-opentype'), url('../fonts/glyphicons-halflings-regular.woff2') format('woff2'), url('../fonts/glyphicons-halflings-regular.woff') format('woff'), url('../fonts/glyphicons-halflings-regular.ttf') format('truetype'), url('../fonts/glyphicons-halflings-regular.svg#glyphicons_halflingsregular') format('svg');
+}
+.glyphicon {
+  position: relative;
+  top: 1px;
+  display: inline-block;
+  font-family: 'Glyphicons Halflings';
+  font-style: normal;
+  font-weight: normal;
+  line-height: 1;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+}
+.glyphicon-asterisk:before {
+  content: "\002a";
+}
+.glyphicon-plus:before {
+  content: "\002b";
+}
+.glyphicon-euro:before,
+.glyphicon-eur:before {
+  content: "\20ac";
+}
+.glyphicon-minus:before {
+  content: "\2212";
+}
+.glyphicon-cloud:before {
+  content: "\2601";
+}
+.glyphicon-envelope:before {
+  content: "\2709";
+}
+.glyphicon-pencil:before {
+  content: "\270f";
+}
+.glyphicon-glass:before {
+  content: "\e001";
+}
+.glyphicon-music:before {
+  content: "\e002";
+}
+.glyphicon-search:before {
+  content: "\e003";
+}
+.glyphicon-heart:before {
+  content: "\e005";
+}
+.glyphicon-star:before {
+  content: "\e006";
+}
+.glyphicon-star-empty:before {
+  content: "\e007";
+}
+.glyphicon-user:before {
+  content: "\e008";
+}
+.glyphicon-film:before {
+  content: "\e009";
+}
+.glyphicon-th-large:before {
+  content: "\e010";
+}
+.glyphicon-th:before {
+  content: "\e011";
+}
+.glyphicon-th-list:before {
+  content: "\e012";
+}
+.glyphicon-ok:before {
+  content: "\e013";
+}
+.glyphicon-remove:before {
+  content: "\e014";
+}
+.glyphicon-zoom-in:before {
+  content: "\e015";
+}
+.glyphicon-zoom-out:before {
+  content: "\e016";
+}
+.glyphicon-off:before {
+  content: "\e017";
+}
+.glyphicon-signal:before {
+  content: "\e018";
+}
+.glyphicon-cog:before {
+  content: "\e019";
+}
+.glyphicon-trash:before {
+  content: "\e020";
+}
+.glyphicon-home:before {
+  content: "\e021";
+}
+.glyphicon-file:before {
+  content: "\e022";
+}
+.glyphicon-time:before {
+  content: "\e023";
+}
+.glyphicon-road:before {
+  content: "\e024";
+}
+.glyphicon-download-alt:before {
+  content: "\e025";
+}
+.glyphicon-download:before {
+  content: "\e026";
+}
+.glyphicon-upload:before {
+  content: "\e027";
+}
+.glyphicon-inbox:before {
+  content: "\e028";
+}
+.glyphicon-play-circle:before {
+  content: "\e029";
+}
+.glyphicon-repeat:before {
+  content: "\e030";
+}
+.glyphicon-refresh:before {
+  content: "\e031";
+}
+.glyphicon-list-alt:before {
+  content: "\e032";
+}
+.glyphicon-lock:before {
+  content: "\e033";
+}
+.glyphicon-flag:before {
+  content: "\e034";
+}
+.glyphicon-headphones:before {
+  content: "\e035";
+}
+.glyphicon-volume-off:before {
+  content: "\e036";
+}
+.glyphicon-volume-down:before {
+  content: "\e037";
+}
+.glyphicon-volume-up:before {
+  content: "\e038";
+}
+.glyphicon-qrcode:before {
+  content: "\e039";
+}
+.glyphicon-barcode:before {
+  content: "\e040";
+}
+.glyphicon-tag:before {
+  content: "\e041";
+}
+.glyphicon-tags:before {
+  content: "\e042";
+}
+.glyphicon-book:before {
+  content: "\e043";
+}
+.glyphicon-bookmark:before {
+  content: "\e044";
+}
+.glyphicon-print:before {
+  content: "\e045";
+}
+.glyphicon-camera:before {
+  content: "\e046";
+}
+.glyphicon-font:before {
+  content: "\e047";
+}
+.glyphicon-bold:before {
+  content: "\e048";
+}
+.glyphicon-italic:before {
+  content: "\e049";
+}
+.glyphicon-text-height:before {
+  content: "\e050";
+}
+.glyphicon-text-width:before {
+  content: "\e051";
+}
+.glyphicon-align-left:before {
+  content: "\e052";
+}
+.glyphicon-align-center:before {
+  content: "\e053";
+}
+.glyphicon-align-right:before {
+  content: "\e054";
+}
+.glyphicon-align-justify:before {
+  content: "\e055";
+}
+.glyphicon-list:before {
+  content: "\e056";
+}
+.glyphicon-indent-left:before {
+  content: "\e057";
+}
+.glyphicon-indent-right:before {
+  content: "\e058";
+}
+.glyphicon-facetime-video:before {
+  content: "\e059";
+}
+.glyphicon-picture:before {
+  content: "\e060";
+}
+.glyphicon-map-marker:before {
+  content: "\e062";
+}
+.glyphicon-adjust:before {
+  content: "\e063";
+}
+.glyphicon-tint:before {
+  content: "\e064";
+}
+.glyphicon-edit:before {
+  content: "\e065";
+}
+.glyphicon-share:before {
+  content: "\e066";
+}
+.glyphicon-check:before {
+  content: "\e067";
+}
+.glyphicon-move:before {
+  content: "\e068";
+}
+.glyphicon-step-backward:before {
+  content: "\e069";
+}
+.glyphicon-fast-backward:before {
+  content: "\e070";
+}
+.glyphicon-backward:before {
+  content: "\e071";
+}
+.glyphicon-play:before {
+  content: "\e072";
+}
+.glyphicon-pause:before {
+  content: "\e073";
+}
+.glyphicon-stop:before {
+  content: "\e074";
+}
+.glyphicon-forward:before {
+  content: "\e075";
+}
+.glyphicon-fast-forward:before {
+  content: "\e076";
+}
+.glyphicon-step-forward:before {
+  content: "\e077";
+}
+.glyphicon-eject:before {
+  content: "\e078";
+}
+.glyphicon-chevron-left:before {
+  content: "\e079";
+}
+.glyphicon-chevron-right:before {
+  content: "\e080";
+}
+.glyphicon-plus-sign:before {
+  content: "\e081";
+}
+.glyphicon-minus-sign:before {
+  content: "\e082";
+}
+.glyphicon-remove-sign:before {
+  content: "\e083";
+}
+.glyphicon-ok-sign:before {
+  content: "\e084";
+}
+.glyphicon-question-sign:before {
+  content: "\e085";
+}
+.glyphicon-info-sign:before {
+  content: "\e086";
+}
+.glyphicon-screenshot:before {
+  content: "\e087";
+}
+.glyphicon-remove-circle:before {
+  content: "\e088";
+}
+.glyphicon-ok-circle:before {
+  content: "\e089";
+}
+.glyphicon-ban-circle:before {
+  content: "\e090";
+}
+.glyphicon-arrow-left:before {
+  content: "\e091";
+}
+.glyphicon-arrow-right:before {
+  content: "\e092";
+}
+.glyphicon-arrow-up:before {
+  content: "\e093";
+}
+.glyphicon-arrow-down:before {
+  content: "\e094";
+}
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+  content: "\e095";
+}
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+  content: "\e096";
+}
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+  content: "\e097";
+}
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+  content: "\e101";
+}
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+  content: "\e102";
+}
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+  content: "\e103";
+}
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+  content: "\e104";
+}
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+  content: "\e105";
+}
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+  content: "\e106";
+}
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+  content: "\e107";
+}
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+  content: "\e108";
+}
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+  content: "\e109";
+}
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+  content: "\e110";
+}
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+  content: "\e111";
+}
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+  content: "\e112";
+}
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+  content: "\e113";
+}
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+}
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+  content: "\e115";
+}
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+  content: "\e116";
+}
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+  content: "\e117";
+}
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+  content: "\e118";
+}
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+  content: "\e119";
+}
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+  content: "\e120";
+}
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+  content: "\e121";
+}
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+  content: "\e122";
+}
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+  content: "\e123";
+}
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+  content: "\e124";
+}
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+  content: "\e125";
+}
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+  content: "\e126";
+}
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+}
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+  content: "\e128";
+}
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+  content: "\e129";
+}
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+  content: "\e130";
+}
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+  content: "\e131";
+}
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+  content: "\e132";
+}
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+  content: "\e133";
+}
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+  content: "\e134";
+}
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+  content: "\e135";
+}
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+}
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+  content: "\e137";
+}
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+  content: "\e138";
+}
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+  content: "\e139";
+}
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+  content: "\e140";
+}
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+  content: "\e141";
+}
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+  content: "\e142";
+}
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+  content: "\e143";
+}
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+  content: "\e144";
+}
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+  content: "\e145";
+}
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+  content: "\e146";
+}
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+  content: "\e148";
+}
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+}
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+  content: "\e150";
+}
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+  content: "\e151";
+}
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+  content: "\e152";
+}
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+  content: "\e153";
+}
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+  content: "\e154";
+}
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+  content: "\e155";
+}
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+  content: "\e156";
+}
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+  content: "\e157";
+}
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+  content: "\e158";
+}
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+  content: "\e159";
+}
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+  content: "\e160";
+}
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+  content: "\e161";
+}
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+  content: "\e162";
+}
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+  content: "\e163";
+}
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+  content: "\e164";
+}
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+  content: "\e165";
+}
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+  content: "\e166";
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+}
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+  content: "\e170";
+}
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+  content: "\e171";
+}
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+  content: "\e172";
+}
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+  content: "\e173";
+}
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+  content: "\e174";
+}
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+  content: "\e175";
+}
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+  content: "\e176";
+}
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+  content: "\e177";
+}
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+  content: "\e178";
+}
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+  content: "\e179";
+}
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+  content: "\e180";
+}
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+  content: "\e181";
+}
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+  content: "\e182";
+}
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+  content: "\e183";
+}
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+  content: "\e184";
+}
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+}
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+  content: "\e186";
+}
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+}
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+}
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+  content: "\e189";
+}
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+  content: "\e190";
+}
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+  content: "\e191";
+}
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+  content: "\e192";
+}
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+  content: "\e193";
+}
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+  content: "\e194";
+}
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+  content: "\e195";
+}
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+  content: "\e197";
+}
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+  content: "\e198";
+}
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+  content: "\e199";
+}
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+  content: "\e200";
+}
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+}
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+}
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+}
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+}
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+  content: "\e205";
+}
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+  content: "\e206";
+}
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+  content: "\e209";
+}
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+  content: "\e210";
+}
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+  content: "\e211";
+}
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+  content: "\e212";
+}
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+  content: "\e213";
+}
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+  content: "\e214";
+}
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+  content: "\e215";
+}
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+  content: "\e216";
+}
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+  content: "\26fa";
+}
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+  content: "\e218";
+}
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+  content: "\e219";
+}
+.glyphicon-apple:before {
+  content: "\f8ff";
+}
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+  content: "\e221";
+}
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+  content: "\231b";
+}
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+  content: "\e223";
+}
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+  content: "\e224";
+}
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+  content: "\e225";
+}
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+  content: "\e226";
+}
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+  content: "\e227";
+}
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+  content: "\e227";
+}
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+  content: "\e227";
+}
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+  content: "\00a5";
+}
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+  content: "\00a5";
+}
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+  content: "\20bd";
+}
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+  content: "\20bd";
+}
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+  content: "\e230";
+}
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+  content: "\e231";
+}
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+  content: "\e232";
+}
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+  content: "\e233";
+}
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+  content: "\e234";
+}
+.glyphicon-option-vertical:before {
+  content: "\e235";
+}
+.glyphicon-menu-hamburger:before {
+  content: "\e236";
+}
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+  content: "\e237";
+}
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+  content: "\e238";
+}
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+  content: "\e239";
+}
+.glyphicon-sunglasses:before {
+  content: "\e240";
+}
+.glyphicon-text-size:before {
+  content: "\e241";
+}
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+  content: "\e242";
+}
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+  content: "\e243";
+}
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+  content: "\e244";
+}
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+  content: "\e245";
+}
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+  content: "\e246";
+}
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+  content: "\e247";
+}
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+  content: "\e248";
+}
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+  content: "\e249";
+}
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+  content: "\e250";
+}
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+  content: "\e251";
+}
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+  content: "\e252";
+}
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+  content: "\e253";
+}
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+  content: "\e254";
+}
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+  content: "\e255";
+}
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+  content: "\e256";
+}
+.glyphicon-menu-left:before {
+  content: "\e257";
+}
+.glyphicon-menu-right:before {
+  content: "\e258";
+}
+.glyphicon-menu-down:before {
+  content: "\e259";
+}
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+  content: "\e260";
+}
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+  -webkit-box-sizing: border-box;
+  -moz-box-sizing: border-box;
+  box-sizing: border-box;
+}
+*:before,
+*:after {
+  -webkit-box-sizing: border-box;
+  -moz-box-sizing: border-box;
+  box-sizing: border-box;
+}
+html {
+  font-size: 10px;
+  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
+}
+body {
+  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
+  font-size: 14px;
+  line-height: 1.42857143;
+  color: #c8c8c8;
+  background-color: #272b30;
+}
+input,
+button,
+select,
+textarea {
+  font-family: inherit;
+  font-size: inherit;
+  line-height: inherit;
+}
+a {
+  color: #ffffff;
+  text-decoration: none;
+}
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+  color: #ffffff;
+  text-decoration: underline;
+}
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+  outline: thin dotted;
+  outline: 5px auto -webkit-focus-ring-color;
+  outline-offset: -2px;
+}
+figure {
+  margin: 0;
+}
+img {
+  vertical-align: middle;
+}
+.img-responsive,
+.thumbnail > img,
+.thumbnail a > img,
+.carousel-inner > .item > img,
+.carousel-inner > .item > a > img {
+  display: block;
+  max-width: 100%;
+  height: auto;
+}
+.img-rounded {
+  border-radius: 6px;
+}
+.img-thumbnail {
+  padding: 4px;
+  line-height: 1.42857143;
+  background-color: #1c1e22;
+  border: 1px solid #0c0d0e;
+  border-radius: 4px;
+  -webkit-transition: all 0.2s ease-in-out;
+  -o-transition: all 0.2s ease-in-out;
+  transition: all 0.2s ease-in-out;
+  display: inline-block;
+  max-width: 100%;
+  height: auto;
+}
+.img-circle {
+  border-radius: 50%;
+}
+hr {
+  margin-top: 20px;
+  margin-bottom: 20px;
+  border: 0;
+  border-top: 1px solid #1c1e22;
+}
+.sr-only {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  margin: -1px;
+  padding: 0;
+  overflow: hidden;
+  clip: rect(0, 0, 0, 0);
+  border: 0;
+}
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+  position: static;
+  width: auto;
+  height: auto;
+  margin: 0;
+  overflow: visible;
+  clip: auto;
+}
+[role="button"] {
+  cursor: pointer;
+}
+h1,
+h2,
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+h4,
+h5,
+h6,
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+  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
+  font-weight: 500;
+  line-height: 1.1;
+  color: inherit;
+}
+h1 small,
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+  font-weight: normal;
+  line-height: 1;
+  color: #7a8288;
+}
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+  margin-bottom: 10px;
+}
+h1 small,
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+}
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+  margin-bottom: 10px;
+}
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+}
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+  font-size: 36px;
+}
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+}
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+}
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+}
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+}
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+  font-size: 12px;
+}
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+  margin: 0 0 10px;
+}
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+  margin-bottom: 20px;
+  font-size: 16px;
+  font-weight: 300;
+  line-height: 1.4;
+}
+@media (min-width: 768px) {
+  .lead {
+    font-size: 21px;
+  }
+}
+small,
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+  font-size: 85%;
+}
+mark,
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+  background-color: #f89406;
+  padding: .2em;
+}
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+  text-align: left;
+}
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+  text-align: right;
+}
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+  text-align: center;
+}
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+  text-align: justify;
+}
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+  white-space: nowrap;
+}
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+  text-transform: lowercase;
+}
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+  text-transform: uppercase;
+}
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+}
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+  color: #7a8288;
+}
+.text-primary {
+  color: #7a8288;
+}
+a.text-primary:hover,
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+}
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+}
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+}
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+}
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+}
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+}
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+}
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+  color: #ffffff;
+}
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+  color: #e6e6e6;
+}
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+  color: #fff;
+  background-color: #7a8288;
+}
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+}
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+  background-color: #62c462;
+}
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+}
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+  background-color: #5bc0de;
+}
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+}
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+  background-color: #f89406;
+}
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+}
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+  background-color: #ee5f5b;
+}
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+}
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+  padding-bottom: 9px;
+  margin: 40px 0 20px;
+  border-bottom: 1px solid #1c1e22;
+}
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+  margin-top: 0;
+  margin-bottom: 10px;
+}
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+  margin-bottom: 0;
+}
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+}
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+  padding-left: 0;
+  list-style: none;
+  margin-left: -5px;
+}
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+  display: inline-block;
+  padding-left: 5px;
+  padding-right: 5px;
+}
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+  margin-bottom: 20px;
+}
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+  line-height: 1.42857143;
+}
+dt {
+  font-weight: bold;
+}
+dd {
+  margin-left: 0;
+}
+@media (min-width: 768px) {
+  .dl-horizontal dt {
+    float: left;
+    width: 160px;
+    clear: left;
+    text-align: right;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+  }
+  .dl-horizontal dd {
+    margin-left: 180px;
+  }
+}
+abbr[title],
+abbr[data-original-title] {
+  cursor: help;
+  border-bottom: 1px dotted #7a8288;
+}
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+  font-size: 90%;
+  text-transform: uppercase;
+}
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+  padding: 10px 20px;
+  margin: 0 0 20px;
+  font-size: 17.5px;
+  border-left: 5px solid #7a8288;
+}
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+blockquote ul:last-child,
+blockquote ol:last-child {
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+}
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+blockquote small,
+blockquote .small {
+  display: block;
+  font-size: 80%;
+  line-height: 1.42857143;
+  color: #7a8288;
+}
+blockquote footer:before,
+blockquote small:before,
+blockquote .small:before {
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+}
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+  padding-left: 0;
+  border-right: 5px solid #7a8288;
+  border-left: 0;
+  text-align: right;
+}
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+blockquote.pull-right small:before,
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+blockquote.pull-right .small:before {
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+}
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+blockquote.pull-right small:after,
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+blockquote.pull-right .small:after {
+  content: '\00A0 \2014';
+}
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+  margin-bottom: 20px;
+  font-style: normal;
+  line-height: 1.42857143;
+}
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+}
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+  font-size: 90%;
+  color: #c7254e;
+  background-color: #f9f2f4;
+  border-radius: 4px;
+}
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+  font-size: 90%;
+  color: #ffffff;
+  background-color: #333333;
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+  -webkit-box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.25);
+          box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.25);
+}
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+  padding: 0;
+  font-size: 100%;
+  font-weight: bold;
+  -webkit-box-shadow: none;
+          box-shadow: none;
+}
+pre {
+  display: block;
+  padding: 9.5px;
+  margin: 0 0 10px;
+  font-size: 13px;
+  line-height: 1.42857143;
+  word-break: break-all;
+  word-wrap: break-word;
+  color: #3a3f44;
+  background-color: #f5f5f5;
+  border: 1px solid #cccccc;
+  border-radius: 4px;
+}
+pre code {
+  padding: 0;
+  font-size: inherit;
+  color: inherit;
+  white-space: pre-wrap;
+  background-color: transparent;
+  border-radius: 0;
+}
+.pre-scrollable {
+  max-height: 340px;
+  overflow-y: scroll;
+}
+.container {
+  margin-right: auto;
+  margin-left: auto;
+  padding-left: 15px;
+  padding-right: 15px;
+}
+@media (min-width: 768px) {
+  .container {
+    width: 750px;
+  }
+}
+@media (min-width: 992px) {
+  .container {
+    width: 970px;
+  }
+}
+@media (min-width: 1200px) {
+  .container {
+    width: 1170px;
+  }
+}
+.container-fluid {
+  margin-right: auto;
+  margin-left: auto;
+  padding-left: 15px;
+  padding-right: 15px;
+}
+.row {
+  margin-left: -15px;
+  margin-right: -15px;
+}
+.col-xs-1, .col-sm-1, .col-md-1, .col-lg-1, .col-xs-2, .col-sm-2, .col-md-2, .col-lg-2, .col-xs-3, .col-sm-3, .col-md-3, .col-lg-3, .col-xs-4, .col-sm-4, .col-md-4, .col-lg-4, .col-xs-5, .col-sm-5, .col-md-5, .col-lg-5, .col-xs-6, .col-sm-6, .col-md-6, .col-lg-6, .col-xs-7, .col-sm-7, .col-md-7, .col-lg-7, .col-xs-8, .col-sm-8, .col-md-8, .col-lg-8, .col-xs-9, .col-sm-9, .col-md-9, .col-lg-9, .col-xs-10, .col-sm-10, .col-md-10, .col-lg-10, .col-xs-11, .col-sm-11, .col-md-11, .col-lg-11, .col-xs-12, .col-sm-12, .col-md-12, .col-lg-12 {
+  position: relative;
+  min-height: 1px;
+  padding-left: 15px;
+  padding-right: 15px;
+}
+.col-xs-1, .col-xs-2, .col-xs-3, .col-xs-4, .col-xs-5, .col-xs-6, .col-xs-7, .col-xs-8, .col-xs-9, .col-xs-10, .col-xs-11, .col-xs-12 {
+  float: left;
+}
+.col-xs-12 {
+  width: 100%;
+}
+.col-xs-11 {
+  width: 91.66666667%;
+}
+.col-xs-10 {
+  width: 83.33333333%;
+}
+.col-xs-9 {
+  width: 75%;
+}
+.col-xs-8 {
+  width: 66.66666667%;
+}
+.col-xs-7 {
+  width: 58.33333333%;
+}
+.col-xs-6 {
+  width: 50%;
+}
+.col-xs-5 {
+  width: 41.66666667%;
+}
+.col-xs-4 {
+  width: 33.33333333%;
+}
+.col-xs-3 {
+  width: 25%;
+}
+.col-xs-2 {
+  width: 16.66666667%;
+}
+.col-xs-1 {
+  width: 8.33333333%;
+}
+.col-xs-pull-12 {
+  right: 100%;
+}
+.col-xs-pull-11 {
+  right: 91.66666667%;
+}
+.col-xs-pull-10 {
+  right: 83.33333333%;
+}
+.col-xs-pull-9 {
+  right: 75%;
+}
+.col-xs-pull-8 {
+  right: 66.66666667%;
+}
+.col-xs-pull-7 {
+  right: 58.33333333%;
+}
+.col-xs-pull-6 {
+  right: 50%;
+}
+.col-xs-pull-5 {
+  right: 41.66666667%;
+}
+.col-xs-pull-4 {
+  right: 33.33333333%;
+}
+.col-xs-pull-3 {
+  right: 25%;
+}
+.col-xs-pull-2 {
+  right: 16.66666667%;
+}
+.col-xs-pull-1 {
+  right: 8.33333333%;
+}
+.col-xs-pull-0 {
+  right: auto;
+}
+.col-xs-push-12 {
+  left: 100%;
+}
+.col-xs-push-11 {
+  left: 91.66666667%;
+}
+.col-xs-push-10 {
+  left: 83.33333333%;
+}
+.col-xs-push-9 {
+  left: 75%;
+}
+.col-xs-push-8 {
+  left: 66.66666667%;
+}
+.col-xs-push-7 {
+  left: 58.33333333%;
+}
+.col-xs-push-6 {
+  left: 50%;
+}
+.col-xs-push-5 {
+  left: 41.66666667%;
+}
+.col-xs-push-4 {
+  left: 33.33333333%;
+}
+.col-xs-push-3 {
+  left: 25%;
+}
+.col-xs-push-2 {
+  left: 16.66666667%;
+}
+.col-xs-push-1 {
+  left: 8.33333333%;
+}
+.col-xs-push-0 {
+  left: auto;
+}
+.col-xs-offset-12 {
+  margin-left: 100%;
+}
+.col-xs-offset-11 {
+  margin-left: 91.66666667%;
+}
+.col-xs-offset-10 {
+  margin-left: 83.33333333%;
+}
+.col-xs-offset-9 {
+  margin-left: 75%;
+}
+.col-xs-offset-8 {
+  margin-left: 66.66666667%;
+}
+.col-xs-offset-7 {
+  margin-left: 58.33333333%;
+}
+.col-xs-offset-6 {
+  margin-left: 50%;
+}
+.col-xs-offset-5 {
+  margin-left: 41.66666667%;
+}
+.col-xs-offset-4 {
+  margin-left: 33.33333333%;
+}
+.col-xs-offset-3 {
+  margin-left: 25%;
+}
+.col-xs-offset-2 {
+  margin-left: 16.66666667%;
+}
+.col-xs-offset-1 {
+  margin-left: 8.33333333%;
+}
+.col-xs-offset-0 {
+  margin-left: 0%;
+}
+@media (min-width: 768px) {
+  .col-sm-1, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-sm-10, .col-sm-11, .col-sm-12 {
+    float: left;
+  }
+  .col-sm-12 {
+    width: 100%;
+  }
+  .col-sm-11 {
+    width: 91.66666667%;
+  }
+  .col-sm-10 {
+    width: 83.33333333%;
+  }
+  .col-sm-9 {
+    width: 75%;
+  }
+  .col-sm-8 {
+    width: 66.66666667%;
+  }
+  .col-sm-7 {
+    width: 58.33333333%;
+  }
+  .col-sm-6 {
+    width: 50%;
+  }
+  .col-sm-5 {
+    width: 41.66666667%;
+  }
+  .col-sm-4 {
+    width: 33.33333333%;
+  }
+  .col-sm-3 {
+    width: 25%;
+  }
+  .col-sm-2 {
+    width: 16.66666667%;
+  }
+  .col-sm-1 {
+    width: 8.33333333%;
+  }
+  .col-sm-pull-12 {
+    right: 100%;
+  }
+  .col-sm-pull-11 {
+    right: 91.66666667%;
+  }
+  .col-sm-pull-10 {
+    right: 83.33333333%;
+  }
+  .col-sm-pull-9 {
+    right: 75%;
+  }
+  .col-sm-pull-8 {
+    right: 66.66666667%;
+  }
+  .col-sm-pull-7 {
+    right: 58.33333333%;
+  }
+  .col-sm-pull-6 {
+    right: 50%;
+  }
+  .col-sm-pull-5 {
+    right: 41.66666667%;
+  }
+  .col-sm-pull-4 {
+    right: 33.33333333%;
+  }
+  .col-sm-pull-3 {
+    right: 25%;
+  }
+  .col-sm-pull-2 {
+    right: 16.66666667%;
+  }
+  .col-sm-pull-1 {
+    right: 8.33333333%;
+  }
+  .col-sm-pull-0 {
+    right: auto;
+  }
+  .col-sm-push-12 {
+    left: 100%;
+  }
+  .col-sm-push-11 {
+    left: 91.66666667%;
+  }
+  .col-sm-push-10 {
+    left: 83.33333333%;
+  }
+  .col-sm-push-9 {
+    left: 75%;
+  }
+  .col-sm-push-8 {
+    left: 66.66666667%;
+  }
+  .col-sm-push-7 {
+    left: 58.33333333%;
+  }
+  .col-sm-push-6 {
+    left: 50%;
+  }
+  .col-sm-push-5 {
+    left: 41.66666667%;
+  }
+  .col-sm-push-4 {
+    left: 33.33333333%;
+  }
+  .col-sm-push-3 {
+    left: 25%;
+  }
+  .col-sm-push-2 {
+    left: 16.66666667%;
+  }
+  .col-sm-push-1 {
+    left: 8.33333333%;
+  }
+  .col-sm-push-0 {
+    left: auto;
+  }
+  .col-sm-offset-12 {
+    margin-left: 100%;
+  }
+  .col-sm-offset-11 {
+    margin-left: 91.66666667%;
+  }
+  .col-sm-offset-10 {
+    margin-left: 83.33333333%;
+  }
+  .col-sm-offset-9 {
+    margin-left: 75%;
+  }
+  .col-sm-offset-8 {
+    margin-left: 66.66666667%;
+  }
+  .col-sm-offset-7 {
+    margin-left: 58.33333333%;
+  }
+  .col-sm-offset-6 {
+    margin-left: 50%;
+  }
+  .col-sm-offset-5 {
+    margin-left: 41.66666667%;
+  }
+  .col-sm-offset-4 {
+    margin-left: 33.33333333%;
+  }
+  .col-sm-offset-3 {
+    margin-left: 25%;
+  }
+  .col-sm-offset-2 {
+    margin-left: 16.66666667%;
+  }
+  .col-sm-offset-1 {
+    margin-left: 8.33333333%;
+  }
+  .col-sm-offset-0 {
+    margin-left: 0%;
+  }
+}
+@media (min-width: 992px) {
+  .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12 {
+    float: left;
+  }
+  .col-md-12 {
+    width: 100%;
+  }
+  .col-md-11 {
+    width: 91.66666667%;
+  }
+  .col-md-10 {
+    width: 83.33333333%;
+  }
+  .col-md-9 {
+    width: 75%;
+  }
+  .col-md-8 {
+    width: 66.66666667%;
+  }
+  .col-md-7 {
+    width: 58.33333333%;
+  }
+  .col-md-6 {
+    width: 50%;
+  }
+  .col-md-5 {
+    width: 41.66666667%;
+  }
+  .col-md-4 {
+    width: 33.33333333%;
+  }
+  .col-md-3 {
+    width: 25%;
+  }
+  .col-md-2 {
+    width: 16.66666667%;
+  }
+  .col-md-1 {
+    width: 8.33333333%;
+  }
+  .col-md-pull-12 {
+    right: 100%;
+  }
+  .col-md-pull-11 {
+    right: 91.66666667%;
+  }
+  .col-md-pull-10 {
+    right: 83.33333333%;
+  }
+  .col-md-pull-9 {
+    right: 75%;
+  }
+  .col-md-pull-8 {
+    right: 66.66666667%;
+  }
+  .col-md-pull-7 {
+    right: 58.33333333%;
+  }
+  .col-md-pull-6 {
+    right: 50%;
+  }
+  .col-md-pull-5 {
+    right: 41.66666667%;
+  }
+  .col-md-pull-4 {
+    right: 33.33333333%;
+  }
+  .col-md-pull-3 {
+    right: 25%;
+  }
+  .col-md-pull-2 {
+    right: 16.66666667%;
+  }
+  .col-md-pull-1 {
+    right: 8.33333333%;
+  }
+  .col-md-pull-0 {
+    right: auto;
+  }
+  .col-md-push-12 {
+    left: 100%;
+  }
+  .col-md-push-11 {
+    left: 91.66666667%;
+  }
+  .col-md-push-10 {
+    left: 83.33333333%;
+  }
+  .col-md-push-9 {
+    left: 75%;
+  }
+  .col-md-push-8 {
+    left: 66.66666667%;
+  }
+  .col-md-push-7 {
+    left: 58.33333333%;
+  }
+  .col-md-push-6 {
+    left: 50%;
+  }
+  .col-md-push-5 {
+    left: 41.66666667%;
+  }
+  .col-md-push-4 {
+    left: 33.33333333%;
+  }
+  .col-md-push-3 {
+    left: 25%;
+  }
+  .col-md-push-2 {
+    left: 16.66666667%;
+  }
+  .col-md-push-1 {
+    left: 8.33333333%;
+  }
+  .col-md-push-0 {
+    left: auto;
+  }
+  .col-md-offset-12 {
+    margin-left: 100%;
+  }
+  .col-md-offset-11 {
+    margin-left: 91.66666667%;
+  }
+  .col-md-offset-10 {
+    margin-left: 83.33333333%;
+  }
+  .col-md-offset-9 {
+    margin-left: 75%;
+  }
+  .col-md-offset-8 {
+    margin-left: 66.66666667%;
+  }
+  .col-md-offset-7 {
+    margin-left: 58.33333333%;
+  }
+  .col-md-offset-6 {
+    margin-left: 50%;
+  }
+  .col-md-offset-5 {
+    margin-left: 41.66666667%;
+  }
+  .col-md-offset-4 {
+    margin-left: 33.33333333%;
+  }
+  .col-md-offset-3 {
+    margin-left: 25%;
+  }
+  .col-md-offset-2 {
+    margin-left: 16.66666667%;
+  }
+  .col-md-offset-1 {
+    margin-left: 8.33333333%;
+  }
+  .col-md-offset-0 {
+    margin-left: 0%;
+  }
+}
+@media (min-width: 1200px) {
+  .col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-lg-10, .col-lg-11, .col-lg-12 {
+    float: left;
+  }
+  .col-lg-12 {
+    width: 100%;
+  }
+  .col-lg-11 {
+    width: 91.66666667%;
+  }
+  .col-lg-10 {
+    width: 83.33333333%;
+  }
+  .col-lg-9 {
+    width: 75%;
+  }
+  .col-lg-8 {
+    width: 66.66666667%;
+  }
+  .col-lg-7 {
+    width: 58.33333333%;
+  }
+  .col-lg-6 {
+    width: 50%;
+  }
+  .col-lg-5 {
+    width: 41.66666667%;
+  }
+  .col-lg-4 {
+    width: 33.33333333%;
+  }
+  .col-lg-3 {
+    width: 25%;
+  }
+  .col-lg-2 {
+    width: 16.66666667%;
+  }
+  .col-lg-1 {
+    width: 8.33333333%;
+  }
+  .col-lg-pull-12 {
+    right: 100%;
+  }
+  .col-lg-pull-11 {
+    right: 91.66666667%;
+  }
+  .col-lg-pull-10 {
+    right: 83.33333333%;
+  }
+  .col-lg-pull-9 {
+    right: 75%;
+  }
+  .col-lg-pull-8 {
+    right: 66.66666667%;
+  }
+  .col-lg-pull-7 {
+    right: 58.33333333%;
+  }
+  .col-lg-pull-6 {
+    right: 50%;
+  }
+  .col-lg-pull-5 {
+    right: 41.66666667%;
+  }
+  .col-lg-pull-4 {
+    right: 33.33333333%;
+  }
+  .col-lg-pull-3 {
+    right: 25%;
+  }
+  .col-lg-pull-2 {
+    right: 16.66666667%;
+  }
+  .col-lg-pull-1 {
+    right: 8.33333333%;
+  }
+  .col-lg-pull-0 {
+    right: auto;
+  }
+  .col-lg-push-12 {
+    left: 100%;
+  }
+  .col-lg-push-11 {
+    left: 91.66666667%;
+  }
+  .col-lg-push-10 {
+    left: 83.33333333%;
+  }
+  .col-lg-push-9 {
+    left: 75%;
+  }
+  .col-lg-push-8 {
+    left: 66.66666667%;
+  }
+  .col-lg-push-7 {
+    left: 58.33333333%;
+  }
+  .col-lg-push-6 {
+    left: 50%;
+  }
+  .col-lg-push-5 {
+    left: 41.66666667%;
+  }
+  .col-lg-push-4 {
+    left: 33.33333333%;
+  }
+  .col-lg-push-3 {
+    left: 25%;
+  }
+  .col-lg-push-2 {
+    left: 16.66666667%;
+  }
+  .col-lg-push-1 {
+    left: 8.33333333%;
+  }
+  .col-lg-push-0 {
+    left: auto;
+  }
+  .col-lg-offset-12 {
+    margin-left: 100%;
+  }
+  .col-lg-offset-11 {
+    margin-left: 91.66666667%;
+  }
+  .col-lg-offset-10 {
+    margin-left: 83.33333333%;
+  }
+  .col-lg-offset-9 {
+    margin-left: 75%;
+  }
+  .col-lg-offset-8 {
+    margin-left: 66.66666667%;
+  }
+  .col-lg-offset-7 {
+    margin-left: 58.33333333%;
+  }
+  .col-lg-offset-6 {
+    margin-left: 50%;
+  }
+  .col-lg-offset-5 {
+    margin-left: 41.66666667%;
+  }
+  .col-lg-offset-4 {
+    margin-left: 33.33333333%;
+  }
+  .col-lg-offset-3 {
+    margin-left: 25%;
+  }
+  .col-lg-offset-2 {
+    margin-left: 16.66666667%;
+  }
+  .col-lg-offset-1 {
+    margin-left: 8.33333333%;
+  }
+  .col-lg-offset-0 {
+    margin-left: 0%;
+  }
+}
+table {
+  background-color: #2e3338;
+}
+caption {
+  padding-top: 8px;
+  padding-bottom: 8px;
+  color: #7a8288;
+  text-align: left;
+}
+th {
+  text-align: left;
+}
+.table {
+  width: 100%;
+  max-width: 100%;
+  margin-bottom: 20px;
+}
+.table > thead > tr > th,
+.table > tbody > tr > th,
+.table > tfoot > tr > th,
+.table > thead > tr > td,
+.table > tbody > tr > td,
+.table > tfoot > tr > td {
+  padding: 8px;
+  line-height: 1.42857143;
+  vertical-align: top;
+  border-top: 1px solid #1c1e22;
+}
+.table > thead > tr > th {
+  vertical-align: bottom;
+  border-bottom: 2px solid #1c1e22;
+}
+.table > caption + thead > tr:first-child > th,
+.table > colgroup + thead > tr:first-child > th,
+.table > thead:first-child > tr:first-child > th,
+.table > caption + thead > tr:first-child > td,
+.table > colgroup + thead > tr:first-child > td,
+.table > thead:first-child > tr:first-child > td {
+  border-top: 0;
+}
+.table > tbody + tbody {
+  border-top: 2px solid #1c1e22;
+}
+.table .table {
+  background-color: #272b30;
+}
+.table-condensed > thead > tr > th,
+.table-condensed > tbody > tr > th,
+.table-condensed > tfoot > tr > th,
+.table-condensed > thead > tr > td,
+.table-condensed > tbody > tr > td,
+.table-condensed > tfoot > tr > td {
+  padding: 5px;
+}
+.table-bordered {
+  border: 1px solid #1c1e22;
+}
+.table-bordered > thead > tr > th,
+.table-bordered > tbody > tr > th,
+.table-bordered > tfoot > tr > th,
+.table-bordered > thead > tr > td,
+.table-bordered > tbody > tr > td,
+.table-bordered > tfoot > tr > td {
+  border: 1px solid #1c1e22;
+}
+.table-bordered > thead > tr > th,
+.table-bordered > thead > tr > td {
+  border-bottom-width: 2px;
+}
+.table-striped > tbody > tr:nth-of-type(odd) {
+  background-color: #353a41;
+}
+.table-hover > tbody > tr:hover {
+  background-color: #49515a;
+}
+table col[class*="col-"] {
+  position: static;
+  float: none;
+  display: table-column;
+}
+table td[class*="col-"],
+table th[class*="col-"] {
+  position: static;
+  float: none;
+  display: table-cell;
+}
+.table > thead > tr > td.active,
+.table > tbody > tr > td.active,
+.table > tfoot > tr > td.active,
+.table > thead > tr > th.active,
+.table > tbody > tr > th.active,
+.table > tfoot > tr > th.active,
+.table > thead > tr.active > td,
+.table > tbody > tr.active > td,
+.table > tfoot > tr.active > td,
+.table > thead > tr.active > th,
+.table > tbody > tr.active > th,
+.table > tfoot > tr.active > th {
+  background-color: #49515a;
+}
+.table-hover > tbody > tr > td.active:hover,
+.table-hover > tbody > tr > th.active:hover,
+.table-hover > tbody > tr.active:hover > td,
+.table-hover > tbody > tr:hover > .active,
+.table-hover > tbody > tr.active:hover > th {
+  background-color: #3e444c;
+}
+.table > thead > tr > td.success,
+.table > tbody > tr > td.success,
+.table > tfoot > tr > td.success,
+.table > thead > tr > th.success,
+.table > tbody > tr > th.success,
+.table > tfoot > tr > th.success,
+.table > thead > tr.success > td,
+.table > tbody > tr.success > td,
+.table > tfoot > tr.success > td,
+.table > thead > tr.success > th,
+.table > tbody > tr.success > th,
+.table > tfoot > tr.success > th {
+  background-color: #62c462;
+}
+.table-hover > tbody > tr > td.success:hover,
+.table-hover > tbody > tr > th.success:hover,
+.table-hover > tbody > tr.success:hover > td,
+.table-hover > tbody > tr:hover > .success,
+.table-hover > tbody > tr.success:hover > th {
+  background-color: #4fbd4f;
+}
+.table > thead > tr > td.info,
+.table > tbody > tr > td.info,
+.table > tfoot > tr > td.info,
+.table > thead > tr > th.info,
+.table > tbody > tr > th.info,
+.table > tfoot > tr > th.info,
+.table > thead > tr.info > td,
+.table > tbody > tr.info > td,
+.table > tfoot > tr.info > td,
+.table > thead > tr.info > th,
+.table > tbody > tr.info > th,
+.table > tfoot > tr.info > th {
+  background-color: #5bc0de;
+}
+.table-hover > tbody > tr > td.info:hover,
+.table-hover > tbody > tr > th.info:hover,
+.table-hover > tbody > tr.info:hover > td,
+.table-hover > tbody > tr:hover > .info,
+.table-hover > tbody > tr.info:hover > th {
+  background-color: #46b8da;
+}
+.table > thead > tr > td.warning,
+.table > tbody > tr > td.warning,
+.table > tfoot > tr > td.warning,
+.table > thead > tr > th.warning,
+.table > tbody > tr > th.warning,
+.table > tfoot > tr > th.warning,
+.table > thead > tr.warning > td,
+.table > tbody > tr.warning > td,
+.table > tfoot > tr.warning > td,
+.table > thead > tr.warning > th,
+.table > tbody > tr.warning > th,
+.table > tfoot > tr.warning > th {
+  background-color: #f89406;
+}
+.table-hover > tbody > tr > td.warning:hover,
+.table-hover > tbody > tr > th.warning:hover,
+.table-hover > tbody > tr.warning:hover > td,
+.table-hover > tbody > tr:hover > .warning,
+.table-hover > tbody > tr.warning:hover > th {
+  background-color: #df8505;
+}
+.table > thead > tr > td.danger,
+.table > tbody > tr > td.danger,
+.table > tfoot > tr > td.danger,
+.table > thead > tr > th.danger,
+.table > tbody > tr > th.danger,
+.table > tfoot > tr > th.danger,
+.table > thead > tr.danger > td,
+.table > tbody > tr.danger > td,
+.table > tfoot > tr.danger > td,
+.table > thead > tr.danger > th,
+.table > tbody > tr.danger > th,
+.table > tfoot > tr.danger > th {
+  background-color: #ee5f5b;
+}
+.table-hover > tbody > tr > td.danger:hover,
+.table-hover > tbody > tr > th.danger:hover,
+.table-hover > tbody > tr.danger:hover > td,
+.table-hover > tbody > tr:hover > .danger,
+.table-hover > tbody > tr.danger:hover > th {
+  background-color: #ec4844;
+}
+.table-responsive {
+  overflow-x: auto;
+  min-height: 0.01%;
+}
+@media screen and (max-width: 767px) {
+  .table-responsive {
+    width: 100%;
+    margin-bottom: 15px;
+    overflow-y: hidden;
+    -ms-overflow-style: -ms-autohiding-scrollbar;
+    border: 1px solid #1c1e22;
+  }
+  .table-responsive > .table {
+    margin-bottom: 0;
+  }
+  .table-responsive > .table > thead > tr > th,
+  .table-responsive > .table > tbody > tr > th,
+  .table-responsive > .table > tfoot > tr > th,
+  .table-responsive > .table > thead > tr > td,
+  .table-responsive > .table > tbody > tr > td,
+  .table-responsive > .table > tfoot > tr > td {
+    white-space: nowrap;
+  }
+  .table-responsive > .table-bordered {
+    border: 0;
+  }
+  .table-responsive > .table-bordered > thead > tr > th:first-child,
+  .table-responsive > .table-bordered > tbody > tr > th:first-child,
+  .table-responsive > .table-bordered > tfoot > tr > th:first-child,
+  .table-responsive > .table-bordered > thead > tr > td:first-child,
+  .table-responsive > .table-bordered > tbody > tr > td:first-child,
+  .table-responsive > .table-bordered > tfoot > tr > td:first-child {
+    border-left: 0;
+  }
+  .table-responsive > .table-bordered > thead > tr > th:last-child,
+  .table-responsive > .table-bordered > tbody > tr > th:last-child,
+  .table-responsive > .table-bordered > tfoot > tr > th:last-child,
+  .table-responsive > .table-bordered > thead > tr > td:last-child,
+  .table-responsive > .table-bordered > tbody > tr > td:last-child,
+  .table-responsive > .table-bordered > tfoot > tr > td:last-child {
+    border-right: 0;
+  }
+  .table-responsive > .table-bordered > tbody > tr:last-child > th,
+  .table-responsive > .table-bordered > tfoot > tr:last-child > th,
+  .table-responsive > .table-bordered > tbody > tr:last-child > td,
+  .table-responsive > .table-bordered > tfoot > tr:last-child > td {
+    border-bottom: 0;
+  }
+}
+fieldset {
+  padding: 0;
+  margin: 0;
+  border: 0;
+  min-width: 0;
+}
+legend {
+  display: block;
+  width: 100%;
+  padding: 0;
+  margin-bottom: 20px;
+  font-size: 21px;
+  line-height: inherit;
+  color: #c8c8c8;
+  border: 0;
+  border-bottom: 1px solid #1c1e22;
+}
+label {
+  display: inline-block;
+  max-width: 100%;
+  margin-bottom: 5px;
+  font-weight: bold;
+}
+input[type="search"] {
+  -webkit-box-sizing: border-box;
+  -moz-box-sizing: border-box;
+  box-sizing: border-box;
+}
+input[type="radio"],
+input[type="checkbox"] {
+  margin: 4px 0 0;
+  margin-top: 1px \9;
+  line-height: normal;
+}
+input[type="file"] {
+  display: block;
+}
+input[type="range"] {
+  display: block;
+  width: 100%;
+}
+select[multiple],
+select[size] {
+  height: auto;
+}
+input[type="file"]:focus,
+input[type="radio"]:focus,
+input[type="checkbox"]:focus {
+  outline: thin dotted;
+  outline: 5px auto -webkit-focus-ring-color;
+  outline-offset: -2px;
+}
+output {
+  display: block;
+  padding-top: 9px;
+  font-size: 14px;
+  line-height: 1.42857143;
+  color: #272b30;
+}
+.form-control {
+  display: block;
+  width: 100%;
+  height: 38px;
+  padding: 8px 12px;
+  font-size: 14px;
+  line-height: 1.42857143;
+  color: #272b30;
+  background-color: #ffffff;
+  background-image: none;
+  border: 1px solid #000000;
+  border-radius: 4px;
+  -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
+  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
+  -webkit-transition: border-color ease-in-out .15s, -webkit-box-shadow ease-in-out .15s;
+  -o-transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
+  transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
+}
+.form-control:focus {
+  border-color: #66afe9;
+  outline: 0;
+  -webkit-box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px rgba(102, 175, 233, 0.6);
+  box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px rgba(102, 175, 233, 0.6);
+}
+.form-control::-moz-placeholder {
+  color: #7a8288;
+  opacity: 1;
+}
+.form-control:-ms-input-placeholder {
+  color: #7a8288;
+}
+.form-control::-webkit-input-placeholder {
+  color: #7a8288;
+}
+.form-control::-ms-expand {
+  border: 0;
+  background-color: transparent;
+}
+.form-control[disabled],
+.form-control[readonly],
+fieldset[disabled] .form-control {
+  background-color: #999999;
+  opacity: 1;
+}
+.form-control[disabled],
+fieldset[disabled] .form-control {
+  cursor: not-allowed;
+}
+textarea.form-control {
+  height: auto;
+}
+input[type="search"] {
+  -webkit-appearance: none;
+}
+@media screen and (-webkit-min-device-pixel-ratio: 0) {
+  input[type="date"].form-control,
+  input[type="time"].form-control,
+  input[type="datetime-local"].form-control,
+  input[type="month"].form-control {
+    line-height: 38px;
+  }
+  input[type="date"].input-sm,
+  input[type="time"].input-sm,
+  input[type="datetime-local"].input-sm,
+  input[type="month"].input-sm,
+  .input-group-sm input[type="date"],
+  .input-group-sm input[type="time"],
+  .input-group-sm input[type="datetime-local"],
+  .input-group-sm input[type="month"] {
+    line-height: 30px;
+  }
+  input[type="date"].input-lg,
+  input[type="time"].input-lg,
+  input[type="datetime-local"].input-lg,
+  input[type="month"].input-lg,
+  .input-group-lg input[type="date"],
+  .input-group-lg input[type="time"],
+  .input-group-lg input[type="datetime-local"],
+  .input-group-lg input[type="month"] {
+    line-height: 54px;
+  }
+}
+.form-group {
+  margin-bottom: 15px;
+}
+.radio,
+.checkbox {
+  position: relative;
+  display: block;
+  margin-top: 10px;
+  margin-bottom: 10px;
+}
+.radio label,
+.checkbox label {
+  min-height: 20px;
+  padding-left: 20px;
+  margin-bottom: 0;
+  font-weight: normal;
+  cursor: pointer;
+}
+.radio input[type="radio"],
+.radio-inline input[type="radio"],
+.checkbox input[type="checkbox"],
+.checkbox-inline input[type="checkbox"] {
+  position: absolute;
+  margin-left: -20px;
+  margin-top: 4px \9;
+}
+.radio + .radio,
+.checkbox + .checkbox {
+  margin-top: -5px;
+}
+.radio-inline,
+.checkbox-inline {
+  position: relative;
+  display: inline-block;
+  padding-left: 20px;
+  margin-bottom: 0;
+  vertical-align: middle;
+  font-weight: normal;
+  cursor: pointer;
+}
+.radio-inline + .radio-inline,
+.checkbox-inline + .checkbox-inline {
+  margin-top: 0;
+  margin-left: 10px;
+}
+input[type="radio"][disabled],
+input[type="checkbox"][disabled],
+input[type="radio"].disabled,
+input[type="checkbox"].disabled,
+fieldset[disabled] input[type="radio"],
+fieldset[disabled] input[type="checkbox"] {
+  cursor: not-allowed;
+}
+.radio-inline.disabled,
+.checkbox-inline.disabled,
+fieldset[disabled] .radio-inline,
+fieldset[disabled] .checkbox-inline {
+  cursor: not-allowed;
+}
+.radio.disabled label,
+.checkbox.disabled label,
+fieldset[disabled] .radio label,
+fieldset[disabled] .checkbox label {
+  cursor: not-allowed;
+}
+.form-control-static {
+  padding-top: 9px;
+  padding-bottom: 9px;
+  margin-bottom: 0;
+  min-height: 34px;
+}
+.form-control-static.input-lg,
+.form-control-static.input-sm {
+  padding-left: 0;
+  padding-right: 0;
+}
+.input-sm {
+  height: 30px;
+  padding: 5px 10px;
+  font-size: 12px;
+  line-height: 1.5;
+  border-radius: 3px;
+}
+select.input-sm {
+  height: 30px;
+  line-height: 30px;
+}
+textarea.input-sm,
+select[multiple].input-sm {
+  height: auto;
+}
+.form-group-sm .form-control {
+  height: 30px;
+  padding: 5px 10px;
+  font-size: 12px;
+  line-height: 1.5;
+  border-radius: 3px;
+}
+.form-group-sm select.form-control {
+  height: 30px;
+  line-height: 30px;
+}
+.form-group-sm textarea.form-control,
+.form-group-sm select[multiple].form-control {
+  height: auto;
+}
+.form-group-sm .form-control-static {
+  height: 30px;
+  min-height: 32px;
+  padding: 6px 10px;
+  font-size: 12px;
+  line-height: 1.5;
+}
+.input-lg {
+  height: 54px;
+  padding: 14px 16px;
+  font-size: 18px;
+  line-height: 1.3333333;
+  border-radius: 6px;
+}
+select.input-lg {
+  height: 54px;
+  line-height: 54px;
+}
+textarea.input-lg,
+select[multiple].input-lg {
+  height: auto;
+}
+.form-group-lg .form-control {
+  height: 54px;
+  padding: 14px 16px;
+  font-size: 18px;
+  line-height: 1.3333333;
+  border-radius: 6px;
+}
+.form-group-lg select.form-control {
+  height: 54px;
+  line-height: 54px;
+}
+.form-group-lg textarea.form-control,
+.form-group-lg select[multiple].form-control {
+  height: auto;
+}
+.form-group-lg .form-control-static {
+  height: 54px;
+  min-height: 38px;
+  padding: 15px 16px;
+  font-size: 18px;
+  line-height: 1.3333333;
+}
+.has-feedback {
+  position: relative;
+}
+.has-feedback .form-control {
+  padding-right: 47.5px;
+}
+.form-control-feedback {
+  position: absolute;
+  top: 0;
+  right: 0;
+  z-index: 2;
+  display: block;
+  width: 38px;
+  height: 38px;
+  line-height: 38px;
+  text-align: center;
+  pointer-events: none;
+}
+.input-lg + .form-control-feedback,
+.input-group-lg + .form-control-feedback,
+.form-group-lg .form-control + .form-control-feedback {
+  width: 54px;
+  height: 54px;
+  line-height: 54px;
+}
+.input-sm + .form-control-feedback,
+.input-group-sm + .form-control-feedback,
+.form-group-sm .form-control + .form-control-feedback {
+  width: 30px;
+  height: 30px;
+  line-height: 30px;
+}
+.has-success .help-block,
+.has-success .control-label,
+.has-success .radio,
+.has-success .checkbox,
+.has-success .radio-inline,
+.has-success .checkbox-inline,
+.has-success.radio label,
+.has-success.checkbox label,
+.has-success.radio-inline label,
+.has-success.checkbox-inline label {
+  color: #ffffff;
+}
+.has-success .form-control {
+  border-color: #ffffff;
+  -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
+  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
+}
+.has-success .form-control:focus {
+  border-color: #e6e6e6;
+  -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 6px #ffffff;
+  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 6px #ffffff;
+}
+.has-success .input-group-addon {
+  color: #ffffff;
+  border-color: #ffffff;
+  background-color: #62c462;
+}
+.has-success .form-control-feedback {
+  color: #ffffff;
+}
+.has-warning .help-block,
+.has-warning .control-label,
+.has-warning .radio,
+.has-warning .checkbox,
+.has-warning .radio-inline,
+.has-warning .checkbox-inline,
+.has-warning.radio label,
+.has-warning.checkbox label,
+.has-warning.radio-inline label,
+.has-warning.checkbox-inline label {
+  color: #ffffff;
+}
+.has-warning .form-control {
+  border-color: #ffffff;
+  -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
+  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
+}
+.has-warning .form-control:focus {
+  border-color: #e6e6e6;
+  -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 6px #ffffff;
+  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 6px #ffffff;
+}
+.has-warning .input-group-addon {
+  color: #ffffff;
+  border-color: #ffffff;
+  background-color: #f89406;
+}
+.has-warning .form-control-feedback {
+  color: #ffffff;
+}
+.has-error .help-block,
+.has-error .control-label,
+.has-error .radio,
+.has-error .checkbox,
+.has-error .radio-inline,
+.has-error .checkbox-inline,
+.has-error.radio label,
+.has-error.checkbox label,
+.has-error.radio-inline label,
+.has-error.checkbox-inline label {
+  color: #ffffff;
+}
+.has-error .form-control {
+  border-color: #ffffff;
+  -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
+  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
+}
+.has-error .form-control:focus {
+  border-color: #e6e6e6;
+  -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 6px #ffffff;
+  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 6px #ffffff;
+}
+.has-error .input-group-addon {
+  color: #ffffff;
+  border-color: #ffffff;
+  background-color: #ee5f5b;
+}
+.has-error .form-control-feedback {
+  color: #ffffff;
+}
+.has-feedback label ~ .form-control-feedback {
+  top: 25px;
+}
+.has-feedback label.sr-only ~ .form-control-feedback {
+  top: 0;
+}
+.help-block {
+  display: block;
+  margin-top: 5px;
+  margin-bottom: 10px;
+  color: #ffffff;
+}
+@media (min-width: 768px) {
+  .form-inline .form-group {
+    display: inline-block;
+    margin-bottom: 0;
+    vertical-align: middle;
+  }
+  .form-inline .form-control {
+    display: inline-block;
+    width: auto;
+    vertical-align: middle;
+  }
+  .form-inline .form-control-static {
+    display: inline-block;
+  }
+  .form-inline .input-group {
+    display: inline-table;
+    vertical-align: middle;
+  }
+  .form-inline .input-group .input-group-addon,
+  .form-inline .input-group .input-group-btn,
+  .form-inline .input-group .form-control {
+    width: auto;
+  }
+  .form-inline .input-group > .form-control {
+    width: 100%;
+  }
+  .form-inline .control-label {
+    margin-bottom: 0;
+    vertical-align: middle;
+  }
+  .form-inline .radio,
+  .form-inline .checkbox {
+    display: inline-block;
+    margin-top: 0;
+    margin-bottom: 0;
+    vertical-align: middle;
+  }
+  .form-inline .radio label,
+  .form-inline .checkbox label {
+    padding-left: 0;
+  }
+  .form-inline .radio input[type="radio"],
+  .form-inline .checkbox input[type="checkbox"] {
+    position: relative;
+    margin-left: 0;
+  }
+  .form-inline .has-feedback .form-control-feedback {
+    top: 0;
+  }
+}
+.form-horizontal .radio,
+.form-horizontal .checkbox,
+.form-horizontal .radio-inline,
+.form-horizontal .checkbox-inline {
+  margin-top: 0;
+  margin-bottom: 0;
+  padding-top: 9px;
+}
+.form-horizontal .radio,
+.form-horizontal .checkbox {
+  min-height: 29px;
+}
+.form-horizontal .form-group {
+  margin-left: -15px;
+  margin-right: -15px;
+}
+@media (min-width: 768px) {
+  .form-horizontal .control-label {
+    text-align: right;
+    margin-bottom: 0;
+    padding-top: 9px;
+  }
+}
+.form-horizontal .has-feedback .form-control-feedback {
+  right: 15px;
+}
+@media (min-width: 768px) {
+  .form-horizontal .form-group-lg .control-label {
+    padding-top: 15px;
+    font-size: 18px;
+  }
+}
+@media (min-width: 768px) {
+  .form-horizontal .form-group-sm .control-label {
+    padding-top: 6px;
+    font-size: 12px;
+  }
+}
+.btn {
+  display: inline-block;
+  margin-bottom: 0;
+  font-weight: normal;
+  text-align: center;
+  vertical-align: middle;
+  -ms-touch-action: manipulation;
+      touch-action: manipulation;
+  cursor: pointer;
+  background-image: none;
+  border: 1px solid transparent;
+  white-space: nowrap;
+  padding: 8px 12px;
+  font-size: 14px;
+  line-height: 1.42857143;
+  border-radius: 4px;
+  -webkit-user-select: none;
+  -moz-user-select: none;
+  -ms-user-select: none;
+  user-select: none;
+}
+.btn:focus,
+.btn:active:focus,
+.btn.active:focus,
+.btn.focus,
+.btn:active.focus,
+.btn.active.focus {
+  outline: thin dotted;
+  outline: 5px auto -webkit-focus-ring-color;
+  outline-offset: -2px;
+}
+.btn:hover,
+.btn:focus,
+.btn.focus {
+  color: #ffffff;
+  text-decoration: none;
+}
+.btn:active,
+.btn.active {
+  outline: 0;
+  background-image: none;
+  -webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
+  box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
+}
+.btn.disabled,
+.btn[disabled],
+fieldset[disabled] .btn {
+  cursor: not-allowed;
+  opacity: 0.65;
+  filter: alpha(opacity=65);
+  -webkit-box-shadow: none;
+  box-shadow: none;
+}
+a.btn.disabled,
+fieldset[disabled] a.btn {
+  pointer-events: none;
+}
+.btn-default {
+  color: #ffffff;
+  background-color: #3a3f44;
+  border-color: #3a3f44;
+}
+.btn-default:focus,
+.btn-default.focus {
+  color: #ffffff;
+  background-color: #232628;
+  border-color: #000000;
+}
+.btn-default:hover {
+  color: #ffffff;
+  background-color: #232628;
+  border-color: #1e2023;
+}
+.btn-default:active,
+.btn-default.active,
+.open > .dropdown-toggle.btn-default {
+  color: #ffffff;
+  background-color: #232628;
+  border-color: #1e2023;
+}
+.btn-default:active:hover,
+.btn-default.active:hover,
+.open > .dropdown-toggle.btn-default:hover,
+.btn-default:active:focus,
+.btn-default.active:focus,
+.open > .dropdown-toggle.btn-default:focus,
+.btn-default:active.focus,
+.btn-default.active.focus,
+.open > .dropdown-toggle.btn-default.focus {
+  color: #ffffff;
+  background-color: #121415;
+  border-color: #000000;
+}
+.btn-default:active,
+.btn-default.active,
+.open > .dropdown-toggle.btn-default {
+  background-image: none;
+}
+.btn-default.disabled:hover,
+.btn-default[disabled]:hover,
+fieldset[disabled] .btn-default:hover,
+.btn-default.disabled:focus,
+.btn-default[disabled]:focus,
+fieldset[disabled] .btn-default:focus,
+.btn-default.disabled.focus,
+.btn-default[disabled].focus,
+fieldset[disabled] .btn-default.focus {
+  background-color: #3a3f44;
+  border-color: #3a3f44;
+}
+.btn-default .badge {
+  color: #3a3f44;
+  background-color: #ffffff;
+}
+.btn-primary {
+  color: #ffffff;
+  background-color: #7a8288;
+  border-color: #7a8288;
+}
+.btn-primary:focus,
+.btn-primary.focus {
+  color: #ffffff;
+  background-color: #62686d;
+  border-color: #3e4245;
+}
+.btn-primary:hover {
+  color: #ffffff;
+  background-color: #62686d;
+  border-color: #5d6368;
+}
+.btn-primary:active,
+.btn-primary.active,
+.open > .dropdown-toggle.btn-primary {
+  color: #ffffff;
+  background-color: #62686d;
+  border-color: #5d6368;
+}
+.btn-primary:active:hover,
+.btn-primary.active:hover,
+.open > .dropdown-toggle.btn-primary:hover,
+.btn-primary:active:focus,
+.btn-primary.active:focus,
+.open > .dropdown-toggle.btn-primary:focus,
+.btn-primary:active.focus,
+.btn-primary.active.focus,
+.open > .dropdown-toggle.btn-primary.focus {
+  color: #ffffff;
+  background-color: #51565a;
+  border-color: #3e4245;
+}
+.btn-primary:active,
+.btn-primary.active,
+.open > .dropdown-toggle.btn-primary {
+  background-image: none;
+}
+.btn-primary.disabled:hover,
+.btn-primary[disabled]:hover,
+fieldset[disabled] .btn-primary:hover,
+.btn-primary.disabled:focus,
+.btn-primary[disabled]:focus,
+fieldset[disabled] .btn-primary:focus,
+.btn-primary.disabled.focus,
+.btn-primary[disabled].focus,
+fieldset[disabled] .btn-primary.focus {
+  background-color: #7a8288;
+  border-color: #7a8288;
+}
+.btn-primary .badge {
+  color: #7a8288;
+  background-color: #ffffff;
+}
+.btn-success {
+  color: #ffffff;
+  background-color: #62c462;
+  border-color: #62c462;
+}
+.btn-success:focus,
+.btn-success.focus {
+  color: #ffffff;
+  background-color: #42b142;
+  border-color: #2d792d;
+}
+.btn-success:hover {
+  color: #ffffff;
+  background-color: #42b142;
+  border-color: #40a940;
+}
+.btn-success:active,
+.btn-success.active,
+.open > .dropdown-toggle.btn-success {
+  color: #ffffff;
+  background-color: #42b142;
+  border-color: #40a940;
+}
+.btn-success:active:hover,
+.btn-success.active:hover,
+.open > .dropdown-toggle.btn-success:hover,
+.btn-success:active:focus,
+.btn-success.active:focus,
+.open > .dropdown-toggle.btn-success:focus,
+.btn-success:active.focus,
+.btn-success.active.focus,
+.open > .dropdown-toggle.btn-success.focus {
+  color: #ffffff;
+  background-color: #399739;
+  border-color: #2d792d;
+}
+.btn-success:active,
+.btn-success.active,
+.open > .dropdown-toggle.btn-success {
+  background-image: none;
+}
+.btn-success.disabled:hover,
+.btn-success[disabled]:hover,
+fieldset[disabled] .btn-success:hover,
+.btn-success.disabled:focus,
+.btn-success[disabled]:focus,
+fieldset[disabled] .btn-success:focus,
+.btn-success.disabled.focus,
+.btn-success[disabled].focus,
+fieldset[disabled] .btn-success.focus {
+  background-color: #62c462;
+  border-color: #62c462;
+}
+.btn-success .badge {
+  color: #62c462;
+  background-color: #ffffff;
+}
+.btn-info {
+  color: #ffffff;
+  background-color: #5bc0de;
+  border-color: #5bc0de;
+}
+.btn-info:focus,
+.btn-info.focus {
+  color: #ffffff;
+  background-color: #31b0d5;
+  border-color: #1f7e9a;
+}
+.btn-info:hover {
+  color: #ffffff;
+  background-color: #31b0d5;
+  border-color: #2aabd2;
+}
+.btn-info:active,
+.btn-info.active,
+.open > .dropdown-toggle.btn-info {
+  color: #ffffff;
+  background-color: #31b0d5;
+  border-color: #2aabd2;
+}
+.btn-info:active:hover,
+.btn-info.active:hover,
+.open > .dropdown-toggle.btn-info:hover,
+.btn-info:active:focus,
+.btn-info.active:focus,
+.open > .dropdown-toggle.btn-info:focus,
+.btn-info:active.focus,
+.btn-info.active.focus,
+.open > .dropdown-toggle.btn-info.focus {
+  color: #ffffff;
+  background-color: #269abc;
+  border-color: #1f7e9a;
+}
+.btn-info:active,
+.btn-info.active,
+.open > .dropdown-toggle.btn-info {
+  background-image: none;
+}
+.btn-info.disabled:hover,
+.btn-info[disabled]:hover,
+fieldset[disabled] .btn-info:hover,
+.btn-info.disabled:focus,
+.btn-info[disabled]:focus,
+fieldset[disabled] .btn-info:focus,
+.btn-info.disabled.focus,
+.btn-info[disabled].focus,
+fieldset[disabled] .btn-info.focus {
+  background-color: #5bc0de;
+  border-color: #5bc0de;
+}
+.btn-info .badge {
+  color: #5bc0de;
+  background-color: #ffffff;
+}
+.btn-warning {
+  color: #ffffff;
+  background-color: #f89406;
+  border-color: #f89406;
+}
+.btn-warning:focus,
+.btn-warning.focus {
+  color: #ffffff;
+  background-color: #c67605;
+  border-color: #7c4a03;
+}
+.btn-warning:hover {
+  color: #ffffff;
+  background-color: #c67605;
+  border-color: #bc7005;
+}
+.btn-warning:active,
+.btn-warning.active,
+.open > .dropdown-toggle.btn-warning {
+  color: #ffffff;
+  background-color: #c67605;
+  border-color: #bc7005;
+}
+.btn-warning:active:hover,
+.btn-warning.active:hover,
+.open > .dropdown-toggle.btn-warning:hover,
+.btn-warning:active:focus,
+.btn-warning.active:focus,
+.open > .dropdown-toggle.btn-warning:focus,
+.btn-warning:active.focus,
+.btn-warning.active.focus,
+.open > .dropdown-toggle.btn-warning.focus {
+  color: #ffffff;
+  background-color: #a36104;
+  border-color: #7c4a03;
+}
+.btn-warning:active,
+.btn-warning.active,
+.open > .dropdown-toggle.btn-warning {
+  background-image: none;
+}
+.btn-warning.disabled:hover,
+.btn-warning[disabled]:hover,
+fieldset[disabled] .btn-warning:hover,
+.btn-warning.disabled:focus,
+.btn-warning[disabled]:focus,
+fieldset[disabled] .btn-warning:focus,
+.btn-warning.disabled.focus,
+.btn-warning[disabled].focus,
+fieldset[disabled] .btn-warning.focus {
+  background-color: #f89406;
+  border-color: #f89406;
+}
+.btn-warning .badge {
+  color: #f89406;
+  background-color: #ffffff;
+}
+.btn-danger {
+  color: #ffffff;
+  background-color: #ee5f5b;
+  border-color: #ee5f5b;
+}
+.btn-danger:focus,
+.btn-danger.focus {
+  color: #ffffff;
+  background-color: #e9322d;
+  border-color: #b71713;
+}
+.btn-danger:hover {
+  color: #ffffff;
+  background-color: #e9322d;
+  border-color: #e82924;
+}
+.btn-danger:active,
+.btn-danger.active,
+.open > .dropdown-toggle.btn-danger {
+  color: #ffffff;
+  background-color: #e9322d;
+  border-color: #e82924;
+}
+.btn-danger:active:hover,
+.btn-danger.active:hover,
+.open > .dropdown-toggle.btn-danger:hover,
+.btn-danger:active:focus,
+.btn-danger.active:focus,
+.open > .dropdown-toggle.btn-danger:focus,
+.btn-danger:active.focus,
+.btn-danger.active.focus,
+.open > .dropdown-toggle.btn-danger.focus {
+  color: #ffffff;
+  background-color: #dc1c17;
+  border-color: #b71713;
+}
+.btn-danger:active,
+.btn-danger.active,
+.open > .dropdown-toggle.btn-danger {
+  background-image: none;
+}
+.btn-danger.disabled:hover,
+.btn-danger[disabled]:hover,
+fieldset[disabled] .btn-danger:hover,
+.btn-danger.disabled:focus,
+.btn-danger[disabled]:focus,
+fieldset[disabled] .btn-danger:focus,
+.btn-danger.disabled.focus,
+.btn-danger[disabled].focus,
+fieldset[disabled] .btn-danger.focus {
+  background-color: #ee5f5b;
+  border-color: #ee5f5b;
+}
+.btn-danger .badge {
+  color: #ee5f5b;
+  background-color: #ffffff;
+}
+.btn-link {
+  color: #ffffff;
+  font-weight: normal;
+  border-radius: 0;
+}
+.btn-link,
+.btn-link:active,
+.btn-link.active,
+.btn-link[disabled],
+fieldset[disabled] .btn-link {
+  background-color: transparent;
+  -webkit-box-shadow: none;
+  box-shadow: none;
+}
+.btn-link,
+.btn-link:hover,
+.btn-link:focus,
+.btn-link:active {
+  border-color: transparent;
+}
+.btn-link:hover,
+.btn-link:focus {
+  color: #ffffff;
+  text-decoration: underline;
+  background-color: transparent;
+}
+.btn-link[disabled]:hover,
+fieldset[disabled] .btn-link:hover,
+.btn-link[disabled]:focus,
+fieldset[disabled] .btn-link:focus {
+  color: #7a8288;
+  text-decoration: none;
+}
+.btn-lg,
+.btn-group-lg > .btn {
+  padding: 14px 16px;
+  font-size: 18px;
+  line-height: 1.3333333;
+  border-radius: 6px;
+}
+.btn-sm,
+.btn-group-sm > .btn {
+  padding: 5px 10px;
+  font-size: 12px;
+  line-height: 1.5;
+  border-radius: 3px;
+}
+.btn-xs,
+.btn-group-xs > .btn {
+  padding: 1px 5px;
+  font-size: 12px;
+  line-height: 1.5;
+  border-radius: 3px;
+}
+.btn-block {
+  display: block;
+  width: 100%;
+}
+.btn-block + .btn-block {
+  margin-top: 5px;
+}
+input[type="submit"].btn-block,
+input[type="reset"].btn-block,
+input[type="button"].btn-block {
+  width: 100%;
+}
+.fade {
+  opacity: 0;
+  -webkit-transition: opacity 0.15s linear;
+  -o-transition: opacity 0.15s linear;
+  transition: opacity 0.15s linear;
+}
+.fade.in {
+  opacity: 1;
+}
+.collapse {
+  display: none;
+}
+.collapse.in {
+  display: block;
+}
+tr.collapse.in {
+  display: table-row;
+}
+tbody.collapse.in {
+  display: table-row-group;
+}
+.collapsing {
+  position: relative;
+  height: 0;
+  overflow: hidden;
+  -webkit-transition-property: height, visibility;
+  -o-transition-property: height, visibility;
+     transition-property: height, visibility;
+  -webkit-transition-duration: 0.35s;
+  -o-transition-duration: 0.35s;
+     transition-duration: 0.35s;
+  -webkit-transition-timing-function: ease;
+  -o-transition-timing-function: ease;
+     transition-timing-function: ease;
+}
+.caret {
+  display: inline-block;
+  width: 0;
+  height: 0;
+  margin-left: 2px;
+  vertical-align: middle;
+  border-top: 4px dashed;
+  border-top: 4px solid \9;
+  border-right: 4px solid transparent;
+  border-left: 4px solid transparent;
+}
+.dropup,
+.dropdown {
+  position: relative;
+}
+.dropdown-toggle:focus {
+  outline: 0;
+}
+.dropdown-menu {
+  position: absolute;
+  top: 100%;
+  left: 0;
+  z-index: 1000;
+  display: none;
+  float: left;
+  min-width: 160px;
+  padding: 5px 0;
+  margin: 2px 0 0;
+  list-style: none;
+  font-size: 14px;
+  text-align: left;
+  background-color: #3a3f44;
+  border: 1px solid #272b30;
+  border: 1px solid rgba(0, 0, 0, 0.15);
+  border-radius: 4px;
+  -webkit-box-shadow: 0 6px 12px rgba(0, 0, 0, 0.175);
+  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.175);
+  -webkit-background-clip: padding-box;
+          background-clip: padding-box;
+}
+.dropdown-menu.pull-right {
+  right: 0;
+  left: auto;
+}
+.dropdown-menu .divider {
+  height: 1px;
+  margin: 9px 0;
+  overflow: hidden;
+  background-color: #272b30;
+}
+.dropdown-menu > li > a {
+  display: block;
+  padding: 3px 20px;
+  clear: both;
+  font-weight: normal;
+  line-height: 1.42857143;
+  color: #c8c8c8;
+  white-space: nowrap;
+}
+.dropdown-menu > li > a:hover,
+.dropdown-menu > li > a:focus {
+  text-decoration: none;
+  color: #ffffff;
+  background-color: #272b30;
+}
+.dropdown-menu > .active > a,
+.dropdown-menu > .active > a:hover,
+.dropdown-menu > .active > a:focus {
+  color: #ffffff;
+  text-decoration: none;
+  outline: 0;
+  background-color: #272b30;
+}
+.dropdown-menu > .disabled > a,
+.dropdown-menu > .disabled > a:hover,
+.dropdown-menu > .disabled > a:focus {
+  color: #7a8288;
+}
+.dropdown-menu > .disabled > a:hover,
+.dropdown-menu > .disabled > a:focus {
+  text-decoration: none;
+  background-color: transparent;
+  background-image: none;
+  filter: progid:DXImageTransform.Microsoft.gradient(enabled = false);
+  cursor: not-allowed;
+}
+.open > .dropdown-menu {
+  display: block;
+}
+.open > a {
+  outline: 0;
+}
+.dropdown-menu-right {
+  left: auto;
+  right: 0;
+}
+.dropdown-menu-left {
+  left: 0;
+  right: auto;
+}
+.dropdown-header {
+  display: block;
+  padding: 3px 20px;
+  font-size: 12px;
+  line-height: 1.42857143;
+  color: #7a8288;
+  white-space: nowrap;
+}
+.dropdown-backdrop {
+  position: fixed;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  top: 0;
+  z-index: 990;
+}
+.pull-right > .dropdown-menu {
+  right: 0;
+  left: auto;
+}
+.dropup .caret,
+.navbar-fixed-bottom .dropdown .caret {
+  border-top: 0;
+  border-bottom: 4px dashed;
+  border-bottom: 4px solid \9;
+  content: "";
+}
+.dropup .dropdown-menu,
+.navbar-fixed-bottom .dropdown .dropdown-menu {
+  top: auto;
+  bottom: 100%;
+  margin-bottom: 2px;
+}
+@media (min-width: 768px) {
+  .navbar-right .dropdown-menu {
+    left: auto;
+    right: 0;
+  }
+  .navbar-right .dropdown-menu-left {
+    left: 0;
+    right: auto;
+  }
+}
+.btn-group,
+.btn-group-vertical {
+  position: relative;
+  display: inline-block;
+  vertical-align: middle;
+}
+.btn-group > .btn,
+.btn-group-vertical > .btn {
+  position: relative;
+  float: left;
+}
+.btn-group > .btn:hover,
+.btn-group-vertical > .btn:hover,
+.btn-group > .btn:focus,
+.btn-group-vertical > .btn:focus,
+.btn-group > .btn:active,
+.btn-group-vertical > .btn:active,
+.btn-group > .btn.active,
+.btn-group-vertical > .btn.active {
+  z-index: 2;
+}
+.btn-group .btn + .btn,
+.btn-group .btn + .btn-group,
+.btn-group .btn-group + .btn,
+.btn-group .btn-group + .btn-group {
+  margin-left: -1px;
+}
+.btn-toolbar {
+  margin-left: -5px;
+}
+.btn-toolbar .btn,
+.btn-toolbar .btn-group,
+.btn-toolbar .input-group {
+  float: left;
+}
+.btn-toolbar > .btn,
+.btn-toolbar > .btn-group,
+.btn-toolbar > .input-group {
+  margin-left: 5px;
+}
+.btn-group > .btn:not(:first-child):not(:last-child):not(.dropdown-toggle) {
+  border-radius: 0;
+}
+.btn-group > .btn:first-child {
+  margin-left: 0;
+}
+.btn-group > .btn:first-child:not(:last-child):not(.dropdown-toggle) {
+  border-bottom-right-radius: 0;
+  border-top-right-radius: 0;
+}
+.btn-group > .btn:last-child:not(:first-child),
+.btn-group > .dropdown-toggle:not(:first-child) {
+  border-bottom-left-radius: 0;
+  border-top-left-radius: 0;
+}
+.btn-group > .btn-group {
+  float: left;
+}
+.btn-group > .btn-group:not(:first-child):not(:last-child) > .btn {
+  border-radius: 0;
+}
+.btn-group > .btn-group:first-child:not(:last-child) > .btn:last-child,
+.btn-group > .btn-group:first-child:not(:last-child) > .dropdown-toggle {
+  border-bottom-right-radius: 0;
+  border-top-right-radius: 0;
+}
+.btn-group > .btn-group:last-child:not(:first-child) > .btn:first-child {
+  border-bottom-left-radius: 0;
+  border-top-left-radius: 0;
+}
+.btn-group .dropdown-toggle:active,
+.btn-group.open .dropdown-toggle {
+  outline: 0;
+}
+.btn-group > .btn + .dropdown-toggle {
+  padding-left: 8px;
+  padding-right: 8px;
+}
+.btn-group > .btn-lg + .dropdown-toggle {
+  padding-left: 12px;
+  padding-right: 12px;
+}
+.btn-group.open .dropdown-toggle {
+  -webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
+  box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
+}
+.btn-group.open .dropdown-toggle.btn-link {
+  -webkit-box-shadow: none;
+  box-shadow: none;
+}
+.btn .caret {
+  margin-left: 0;
+}
+.btn-lg .caret {
+  border-width: 5px 5px 0;
+  border-bottom-width: 0;
+}
+.dropup .btn-lg .caret {
+  border-width: 0 5px 5px;
+}
+.btn-group-vertical > .btn,
+.btn-group-vertical > .btn-group,
+.btn-group-vertical > .btn-group > .btn {
+  display: block;
+  float: none;
+  width: 100%;
+  max-width: 100%;
+}
+.btn-group-vertical > .btn-group > .btn {
+  float: none;
+}
+.btn-group-vertical > .btn + .btn,
+.btn-group-vertical > .btn + .btn-group,
+.btn-group-vertical > .btn-group + .btn,
+.btn-group-vertical > .btn-group + .btn-group {
+  margin-top: -1px;
+  margin-left: 0;
+}
+.btn-group-vertical > .btn:not(:first-child):not(:last-child) {
+  border-radius: 0;
+}
+.btn-group-vertical > .btn:first-child:not(:last-child) {
+  border-top-right-radius: 4px;
+  border-top-left-radius: 4px;
+  border-bottom-right-radius: 0;
+  border-bottom-left-radius: 0;
+}
+.btn-group-vertical > .btn:last-child:not(:first-child) {
+  border-top-right-radius: 0;
+  border-top-left-radius: 0;
+  border-bottom-right-radius: 4px;
+  border-bottom-left-radius: 4px;
+}
+.btn-group-vertical > .btn-group:not(:first-child):not(:last-child) > .btn {
+  border-radius: 0;
+}
+.btn-group-vertical > .btn-group:first-child:not(:last-child) > .btn:last-child,
+.btn-group-vertical > .btn-group:first-child:not(:last-child) > .dropdown-toggle {
+  border-bottom-right-radius: 0;
+  border-bottom-left-radius: 0;
+}
+.btn-group-vertical > .btn-group:last-child:not(:first-child) > .btn:first-child {
+  border-top-right-radius: 0;
+  border-top-left-radius: 0;
+}
+.btn-group-justified {
+  display: table;
+  width: 100%;
+  table-layout: fixed;
+  border-collapse: separate;
+}
+.btn-group-justified > .btn,
+.btn-group-justified > .btn-group {
+  float: none;
+  display: table-cell;
+  width: 1%;
+}
+.btn-group-justified > .btn-group .btn {
+  width: 100%;
+}
+.btn-group-justified > .btn-group .dropdown-menu {
+  left: auto;
+}
+[data-toggle="buttons"] > .btn input[type="radio"],
+[data-toggle="buttons"] > .btn-group > .btn input[type="radio"],
+[data-toggle="buttons"] > .btn input[type="checkbox"],
+[data-toggle="buttons"] > .btn-group > .btn input[type="checkbox"] {
+  position: absolute;
+  clip: rect(0, 0, 0, 0);
+  pointer-events: none;
+}
+.input-group {
+  position: relative;
+  display: table;
+  border-collapse: separate;
+}
+.input-group[class*="col-"] {
+  float: none;
+  padding-left: 0;
+  padding-right: 0;
+}
+.input-group .form-control {
+  position: relative;
+  z-index: 2;
+  float: left;
+  width: 100%;
+  margin-bottom: 0;
+}
+.input-group .form-control:focus {
+  z-index: 3;
+}
+.input-group-lg > .form-control,
+.input-group-lg > .input-group-addon,
+.input-group-lg > .input-group-btn > .btn {
+  height: 54px;
+  padding: 14px 16px;
+  font-size: 18px;
+  line-height: 1.3333333;
+  border-radius: 6px;
+}
+select.input-group-lg > .form-control,
+select.input-group-lg > .input-group-addon,
+select.input-group-lg > .input-group-btn > .btn {
+  height: 54px;
+  line-height: 54px;
+}
+textarea.input-group-lg > .form-control,
+textarea.input-group-lg > .input-group-addon,
+textarea.input-group-lg > .input-group-btn > .btn,
+select[multiple].input-group-lg > .form-control,
+select[multiple].input-group-lg > .input-group-addon,
+select[multiple].input-group-lg > .input-group-btn > .btn {
+  height: auto;
+}
+.input-group-sm > .form-control,
+.input-group-sm > .input-group-addon,
+.input-group-sm > .input-group-btn > .btn {
+  height: 30px;
+  padding: 5px 10px;
+  font-size: 12px;
+  line-height: 1.5;
+  border-radius: 3px;
+}
+select.input-group-sm > .form-control,
+select.input-group-sm > .input-group-addon,
+select.input-group-sm > .input-group-btn > .btn {
+  height: 30px;
+  line-height: 30px;
+}
+textarea.input-group-sm > .form-control,
+textarea.input-group-sm > .input-group-addon,
+textarea.input-group-sm > .input-group-btn > .btn,
+select[multiple].input-group-sm > .form-control,
+select[multiple].input-group-sm > .input-group-addon,
+select[multiple].input-group-sm > .input-group-btn > .btn {
+  height: auto;
+}
+.input-group-addon,
+.input-group-btn,
+.input-group .form-control {
+  display: table-cell;
+}
+.input-group-addon:not(:first-child):not(:last-child),
+.input-group-btn:not(:first-child):not(:last-child),
+.input-group .form-control:not(:first-child):not(:last-child) {
+  border-radius: 0;
+}
+.input-group-addon,
+.input-group-btn {
+  width: 1%;
+  white-space: nowrap;
+  vertical-align: middle;
+}
+.input-group-addon {
+  padding: 8px 12px;
+  font-size: 14px;
+  font-weight: normal;
+  line-height: 1;
+  color: #272b30;
+  text-align: center;
+  background-color: #999999;
+  border: 1px solid rgba(0, 0, 0, 0.6);
+  border-radius: 4px;
+}
+.input-group-addon.input-sm {
+  padding: 5px 10px;
+  font-size: 12px;
+  border-radius: 3px;
+}
+.input-group-addon.input-lg {
+  padding: 14px 16px;
+  font-size: 18px;
+  border-radius: 6px;
+}
+.input-group-addon input[type="radio"],
+.input-group-addon input[type="checkbox"] {
+  margin-top: 0;
+}
+.input-group .form-control:first-child,
+.input-group-addon:first-child,
+.input-group-btn:first-child > .btn,
+.input-group-btn:first-child > .btn-group > .btn,
+.input-group-btn:first-child > .dropdown-toggle,
+.input-group-btn:last-child > .btn:not(:last-child):not(.dropdown-toggle),
+.input-group-btn:last-child > .btn-group:not(:last-child) > .btn {
+  border-bottom-right-radius: 0;
+  border-top-right-radius: 0;
+}
+.input-group-addon:first-child {
+  border-right: 0;
+}
+.input-group .form-control:last-child,
+.input-group-addon:last-child,
+.input-group-btn:last-child > .btn,
+.input-group-btn:last-child > .btn-group > .btn,
+.input-group-btn:last-child > .dropdown-toggle,
+.input-group-btn:first-child > .btn:not(:first-child),
+.input-group-btn:first-child > .btn-group:not(:first-child) > .btn {
+  border-bottom-left-radius: 0;
+  border-top-left-radius: 0;
+}
+.input-group-addon:last-child {
+  border-left: 0;
+}
+.input-group-btn {
+  position: relative;
+  font-size: 0;
+  white-space: nowrap;
+}
+.input-group-btn > .btn {
+  position: relative;
+}
+.input-group-btn > .btn + .btn {
+  margin-left: -1px;
+}
+.input-group-btn > .btn:hover,
+.input-group-btn > .btn:focus,
+.input-group-btn > .btn:active {
+  z-index: 2;
+}
+.input-group-btn:first-child > .btn,
+.input-group-btn:first-child > .btn-group {
+  margin-right: -1px;
+}
+.input-group-btn:last-child > .btn,
+.input-group-btn:last-child > .btn-group {
+  z-index: 2;
+  margin-left: -1px;
+}
+.nav {
+  margin-bottom: 0;
+  padding-left: 0;
+  list-style: none;
+}
+.nav > li {
+  position: relative;
+  display: block;
+}
+.nav > li > a {
+  position: relative;
+  display: block;
+  padding: 10px 15px;
+}
+.nav > li > a:hover,
+.nav > li > a:focus {
+  text-decoration: none;
+  background-color: #3e444c;
+}
+.nav > li.disabled > a {
+  color: #7a8288;
+}
+.nav > li.disabled > a:hover,
+.nav > li.disabled > a:focus {
+  color: #7a8288;
+  text-decoration: none;
+  background-color: transparent;
+  cursor: not-allowed;
+}
+.nav .open > a,
+.nav .open > a:hover,
+.nav .open > a:focus {
+  background-color: #3e444c;
+  border-color: #ffffff;
+}
+.nav .nav-divider {
+  height: 1px;
+  margin: 9px 0;
+  overflow: hidden;
+  background-color: #e5e5e5;
+}
+.nav > li > a > img {
+  max-width: none;
+}
+.nav-tabs {
+  border-bottom: 1px solid #1c1e22;
+}
+.nav-tabs > li {
+  float: left;
+  margin-bottom: -1px;
+}
+.nav-tabs > li > a {
+  margin-right: 2px;
+  line-height: 1.42857143;
+  border: 1px solid transparent;
+  border-radius: 4px 4px 0 0;
+}
+.nav-tabs > li > a:hover {
+  border-color: #1c1e22 #1c1e22 #1c1e22;
+}
+.nav-tabs > li.active > a,
+.nav-tabs > li.active > a:hover,
+.nav-tabs > li.active > a:focus {
+  color: #ffffff;
+  background-color: #3e444c;
+  border: 1px solid #1c1e22;
+  border-bottom-color: transparent;
+  cursor: default;
+}
+.nav-tabs.nav-justified {
+  width: 100%;
+  border-bottom: 0;
+}
+.nav-tabs.nav-justified > li {
+  float: none;
+}
+.nav-tabs.nav-justified > li > a {
+  text-align: center;
+  margin-bottom: 5px;
+}
+.nav-tabs.nav-justified > .dropdown .dropdown-menu {
+  top: auto;
+  left: auto;
+}
+@media (min-width: 768px) {
+  .nav-tabs.nav-justified > li {
+    display: table-cell;
+    width: 1%;
+  }
+  .nav-tabs.nav-justified > li > a {
+    margin-bottom: 0;
+  }
+}
+.nav-tabs.nav-justified > li > a {
+  margin-right: 0;
+  border-radius: 4px;
+}
+.nav-tabs.nav-justified > .active > a,
+.nav-tabs.nav-justified > .active > a:hover,
+.nav-tabs.nav-justified > .active > a:focus {
+  border: 1px solid #1c1e22;
+}
+@media (min-width: 768px) {
+  .nav-tabs.nav-justified > li > a {
+    border-bottom: 1px solid #1c1e22;
+    border-radius: 4px 4px 0 0;
+  }
+  .nav-tabs.nav-justified > .active > a,
+  .nav-tabs.nav-justified > .active > a:hover,
+  .nav-tabs.nav-justified > .active > a:focus {
+    border-bottom-color: #272b30;
+  }
+}
+.nav-pills > li {
+  float: left;
+}
+.nav-pills > li > a {
+  border-radius: 4px;
+}
+.nav-pills > li + li {
+  margin-left: 2px;
+}
+.nav-pills > li.active > a,
+.nav-pills > li.active > a:hover,
+.nav-pills > li.active > a:focus {
+  color: #ffffff;
+  background-color: transparent;
+}
+.nav-stacked > li {
+  float: none;
+}
+.nav-stacked > li + li {
+  margin-top: 2px;
+  margin-left: 0;
+}
+.nav-justified {
+  width: 100%;
+}
+.nav-justified > li {
+  float: none;
+}
+.nav-justified > li > a {
+  text-align: center;
+  margin-bottom: 5px;
+}
+.nav-justified > .dropdown .dropdown-menu {
+  top: auto;
+  left: auto;
+}
+@media (min-width: 768px) {
+  .nav-justified > li {
+    display: table-cell;
+    width: 1%;
+  }
+  .nav-justified > li > a {
+    margin-bottom: 0;
+  }
+}
+.nav-tabs-justified {
+  border-bottom: 0;
+}
+.nav-tabs-justified > li > a {
+  margin-right: 0;
+  border-radius: 4px;
+}
+.nav-tabs-justified > .active > a,
+.nav-tabs-justified > .active > a:hover,
+.nav-tabs-justified > .active > a:focus {
+  border: 1px solid #1c1e22;
+}
+@media (min-width: 768px) {
+  .nav-tabs-justified > li > a {
+    border-bottom: 1px solid #1c1e22;
+    border-radius: 4px 4px 0 0;
+  }
+  .nav-tabs-justified > .active > a,
+  .nav-tabs-justified > .active > a:hover,
+  .nav-tabs-justified > .active > a:focus {
+    border-bottom-color: #272b30;
+  }
+}
+.tab-content > .tab-pane {
+  display: none;
+}
+.tab-content > .active {
+  display: block;
+}
+.nav-tabs .dropdown-menu {
+  margin-top: -1px;
+  border-top-right-radius: 0;
+  border-top-left-radius: 0;
+}
+.navbar {
+  position: relative;
+  min-height: 50px;
+  margin-bottom: 20px;
+  border: 1px solid transparent;
+}
+@media (min-width: 768px) {
+  .navbar {
+    border-radius: 4px;
+  }
+}
+@media (min-width: 768px) {
+  .navbar-header {
+    float: left;
+  }
+}
+.navbar-collapse {
+  overflow-x: visible;
+  padding-right: 15px;
+  padding-left: 15px;
+  border-top: 1px solid transparent;
+  -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
+          box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
+  -webkit-overflow-scrolling: touch;
+}
+.navbar-collapse.in {
+  overflow-y: auto;
+}
+@media (min-width: 768px) {
+  .navbar-collapse {
+    width: auto;
+    border-top: 0;
+    -webkit-box-shadow: none;
+            box-shadow: none;
+  }
+  .navbar-collapse.collapse {
+    display: block !important;
+    height: auto !important;
+    padding-bottom: 0;
+    overflow: visible !important;
+  }
+  .navbar-collapse.in {
+    overflow-y: visible;
+  }
+  .navbar-fixed-top .navbar-collapse,
+  .navbar-static-top .navbar-collapse,
+  .navbar-fixed-bottom .navbar-collapse {
+    padding-left: 0;
+    padding-right: 0;
+  }
+}
+.navbar-fixed-top .navbar-collapse,
+.navbar-fixed-bottom .navbar-collapse {
+  max-height: 340px;
+}
+@media (max-device-width: 480px) and (orientation: landscape) {
+  .navbar-fixed-top .navbar-collapse,
+  .navbar-fixed-bottom .navbar-collapse {
+    max-height: 200px;
+  }
+}
+.container > .navbar-header,
+.container-fluid > .navbar-header,
+.container > .navbar-collapse,
+.container-fluid > .navbar-collapse {
+  margin-right: -15px;
+  margin-left: -15px;
+}
+@media (min-width: 768px) {
+  .container > .navbar-header,
+  .container-fluid > .navbar-header,
+  .container > .navbar-collapse,
+  .container-fluid > .navbar-collapse {
+    margin-right: 0;
+    margin-left: 0;
+  }
+}
+.navbar-static-top {
+  z-index: 1000;
+  border-width: 0 0 1px;
+}
+@media (min-width: 768px) {
+  .navbar-static-top {
+    border-radius: 0;
+  }
+}
+.navbar-fixed-top,
+.navbar-fixed-bottom {
+  position: fixed;
+  right: 0;
+  left: 0;
+  z-index: 1030;
+}
+@media (min-width: 768px) {
+  .navbar-fixed-top,
+  .navbar-fixed-bottom {
+    border-radius: 0;
+  }
+}
+.navbar-fixed-top {
+  top: 0;
+  border-width: 0 0 1px;
+}
+.navbar-fixed-bottom {
+  bottom: 0;
+  margin-bottom: 0;
+  border-width: 1px 0 0;
+}
+.navbar-brand {
+  float: left;
+  padding: 15px 15px;
+  font-size: 18px;
+  line-height: 20px;
+  height: 50px;
+}
+.navbar-brand:hover,
+.navbar-brand:focus {
+  text-decoration: none;
+}
+.navbar-brand > img {
+  display: block;
+}
+@media (min-width: 768px) {
+  .navbar > .container .navbar-brand,
+  .navbar > .container-fluid .navbar-brand {
+    margin-left: -15px;
+  }
+}
+.navbar-toggle {
+  position: relative;
+  float: right;
+  margin-right: 15px;
+  padding: 9px 10px;
+  margin-top: 8px;
+  margin-bottom: 8px;
+  background-color: transparent;
+  background-image: none;
+  border: 1px solid transparent;
+  border-radius: 4px;
+}
+.navbar-toggle:focus {
+  outline: 0;
+}
+.navbar-toggle .icon-bar {
+  display: block;
+  width: 22px;
+  height: 2px;
+  border-radius: 1px;
+}
+.navbar-toggle .icon-bar + .icon-bar {
+  margin-top: 4px;
+}
+@media (min-width: 768px) {
+  .navbar-toggle {
+    display: none;
+  }
+}
+.navbar-nav {
+  margin: 7.5px -15px;
+}
+.navbar-nav > li > a {
+  padding-top: 10px;
+  padding-bottom: 10px;
+  line-height: 20px;
+}
+@media (max-width: 767px) {
+  .navbar-nav .open .dropdown-menu {
+    position: static;
+    float: none;
+    width: auto;
+    margin-top: 0;
+    background-color: transparent;
+    border: 0;
+    -webkit-box-shadow: none;
+            box-shadow: none;
+  }
+  .navbar-nav .open .dropdown-menu > li > a,
+  .navbar-nav .open .dropdown-menu .dropdown-header {
+    padding: 5px 15px 5px 25px;
+  }
+  .navbar-nav .open .dropdown-menu > li > a {
+    line-height: 20px;
+  }
+  .navbar-nav .open .dropdown-menu > li > a:hover,
+  .navbar-nav .open .dropdown-menu > li > a:focus {
+    background-image: none;
+  }
+}
+@media (min-width: 768px) {
+  .navbar-nav {
+    float: left;
+    margin: 0;
+  }
+  .navbar-nav > li {
+    float: left;
+  }
+  .navbar-nav > li > a {
+    padding-top: 15px;
+    padding-bottom: 15px;
+  }
+}
+.navbar-form {
+  margin-left: -15px;
+  margin-right: -15px;
+  padding: 10px 15px;
+  border-top: 1px solid transparent;
+  border-bottom: 1px solid transparent;
+  -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 1px 0 rgba(255, 255, 255, 0.1);
+  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 1px 0 rgba(255, 255, 255, 0.1);
+  margin-top: 6px;
+  margin-bottom: 6px;
+}
+@media (min-width: 768px) {
+  .navbar-form .form-group {
+    display: inline-block;
+    margin-bottom: 0;
+    vertical-align: middle;
+  }
+  .navbar-form .form-control {
+    display: inline-block;
+    width: auto;
+    vertical-align: middle;
+  }
+  .navbar-form .form-control-static {
+    display: inline-block;
+  }
+  .navbar-form .input-group {
+    display: inline-table;
+    vertical-align: middle;
+  }
+  .navbar-form .input-group .input-group-addon,
+  .navbar-form .input-group .input-group-btn,
+  .navbar-form .input-group .form-control {
+    width: auto;
+  }
+  .navbar-form .input-group > .form-control {
+    width: 100%;
+  }
+  .navbar-form .control-label {
+    margin-bottom: 0;
+    vertical-align: middle;
+  }
+  .navbar-form .radio,
+  .navbar-form .checkbox {
+    display: inline-block;
+    margin-top: 0;
+    margin-bottom: 0;
+    vertical-align: middle;
+  }
+  .navbar-form .radio label,
+  .navbar-form .checkbox label {
+    padding-left: 0;
+  }
+  .navbar-form .radio input[type="radio"],
+  .navbar-form .checkbox input[type="checkbox"] {
+    position: relative;
+    margin-left: 0;
+  }
+  .navbar-form .has-feedback .form-control-feedback {
+    top: 0;
+  }
+}
+@media (max-width: 767px) {
+  .navbar-form .form-group {
+    margin-bottom: 5px;
+  }
+  .navbar-form .form-group:last-child {
+    margin-bottom: 0;
+  }
+}
+@media (min-width: 768px) {
+  .navbar-form {
+    width: auto;
+    border: 0;
+    margin-left: 0;
+    margin-right: 0;
+    padding-top: 0;
+    padding-bottom: 0;
+    -webkit-box-shadow: none;
+    box-shadow: none;
+  }
+}
+.navbar-nav > li > .dropdown-menu {
+  margin-top: 0;
+  border-top-right-radius: 0;
+  border-top-left-radius: 0;
+}
+.navbar-fixed-bottom .navbar-nav > li > .dropdown-menu {
+  margin-bottom: 0;
+  border-top-right-radius: 4px;
+  border-top-left-radius: 4px;
+  border-bottom-right-radius: 0;
+  border-bottom-left-radius: 0;
+}
+.navbar-btn {
+  margin-top: 6px;
+  margin-bottom: 6px;
+}
+.navbar-btn.btn-sm {
+  margin-top: 10px;
+  margin-bottom: 10px;
+}
+.navbar-btn.btn-xs {
+  margin-top: 14px;
+  margin-bottom: 14px;
+}
+.navbar-text {
+  margin-top: 15px;
+  margin-bottom: 15px;
+}
+@media (min-width: 768px) {
+  .navbar-text {
+    float: left;
+    margin-left: 15px;
+    margin-right: 15px;
+  }
+}
+@media (min-width: 768px) {
+  .navbar-left {
+    float: left !important;
+  }
+  .navbar-right {
+    float: right !important;
+    margin-right: -15px;
+  }
+  .navbar-right ~ .navbar-right {
+    margin-right: 0;
+  }
+}
+.navbar-default {
+  background-color: #3a3f44;
+  border-color: #2b2e32;
+}
+.navbar-default .navbar-brand {
+  color: #c8c8c8;
+}
+.navbar-default .navbar-brand:hover,
+.navbar-default .navbar-brand:focus {
+  color: #ffffff;
+  background-color: none;
+}
+.navbar-default .navbar-text {
+  color: #c8c8c8;
+}
+.navbar-default .navbar-nav > li > a {
+  color: #c8c8c8;
+}
+.navbar-default .navbar-nav > li > a:hover,
+.navbar-default .navbar-nav > li > a:focus {
+  color: #ffffff;
+  background-color: #272b2e;
+}
+.navbar-default .navbar-nav > .active > a,
+.navbar-default .navbar-nav > .active > a:hover,
+.navbar-default .navbar-nav > .active > a:focus {
+  color: #ffffff;
+  background-color: #272b2e;
+}
+.navbar-default .navbar-nav > .disabled > a,
+.navbar-default .navbar-nav > .disabled > a:hover,
+.navbar-default .navbar-nav > .disabled > a:focus {
+  color: #cccccc;
+  background-color: transparent;
+}
+.navbar-default .navbar-toggle {
+  border-color: #272b2e;
+}
+.navbar-default .navbar-toggle:hover,
+.navbar-default .navbar-toggle:focus {
+  background-color: #272b2e;
+}
+.navbar-default .navbar-toggle .icon-bar {
+  background-color: #c8c8c8;
+}
+.navbar-default .navbar-collapse,
+.navbar-default .navbar-form {
+  border-color: #2b2e32;
+}
+.navbar-default .navbar-nav > .open > a,
+.navbar-default .navbar-nav > .open > a:hover,
+.navbar-default .navbar-nav > .open > a:focus {
+  background-color: #272b2e;
+  color: #ffffff;
+}
+@media (max-width: 767px) {
+  .navbar-default .navbar-nav .open .dropdown-menu > li > a {
+    color: #c8c8c8;
+  }
+  .navbar-default .navbar-nav .open .dropdown-menu > li > a:hover,
+  .navbar-default .navbar-nav .open .dropdown-menu > li > a:focus {
+    color: #ffffff;
+    background-color: #272b2e;
+  }
+  .navbar-default .navbar-nav .open .dropdown-menu > .active > a,
+  .navbar-default .navbar-nav .open .dropdown-menu > .active > a:hover,
+  .navbar-default .navbar-nav .open .dropdown-menu > .active > a:focus {
+    color: #ffffff;
+    background-color: #272b2e;
+  }
+  .navbar-default .navbar-nav .open .dropdown-menu > .disabled > a,
+  .navbar-default .navbar-nav .open .dropdown-menu > .disabled > a:hover,
+  .navbar-default .navbar-nav .open .dropdown-menu > .disabled > a:focus {
+    color: #cccccc;
+    background-color: transparent;
+  }
+}
+.navbar-default .navbar-link {
+  color: #c8c8c8;
+}
+.navbar-default .navbar-link:hover {
+  color: #ffffff;
+}
+.navbar-default .btn-link {
+  color: #c8c8c8;
+}
+.navbar-default .btn-link:hover,
+.navbar-default .btn-link:focus {
+  color: #ffffff;
+}
+.navbar-default .btn-link[disabled]:hover,
+fieldset[disabled] .navbar-default .btn-link:hover,
+.navbar-default .btn-link[disabled]:focus,
+fieldset[disabled] .navbar-default .btn-link:focus {
+  color: #cccccc;
+}
+.navbar-inverse {
+  background-color: #7a8288;
+  border-color: #62686d;
+}
+.navbar-inverse .navbar-brand {
+  color: #cccccc;
+}
+.navbar-inverse .navbar-brand:hover,
+.navbar-inverse .navbar-brand:focus {
+  color: #ffffff;
+  background-color: none;
+}
+.navbar-inverse .navbar-text {
+  color: #cccccc;
+}
+.navbar-inverse .navbar-nav > li > a {
+  color: #cccccc;
+}
+.navbar-inverse .navbar-nav > li > a:hover,
+.navbar-inverse .navbar-nav > li > a:focus {
+  color: #ffffff;
+  background-color: #5d6368;
+}
+.navbar-inverse .navbar-nav > .active > a,
+.navbar-inverse .navbar-nav > .active > a:hover,
+.navbar-inverse .navbar-nav > .active > a:focus {
+  color: #ffffff;
+  background-color: #5d6368;
+}
+.navbar-inverse .navbar-nav > .disabled > a,
+.navbar-inverse .navbar-nav > .disabled > a:hover,
+.navbar-inverse .navbar-nav > .disabled > a:focus {
+  color: #cccccc;
+  background-color: transparent;
+}
+.navbar-inverse .navbar-toggle {
+  border-color: #5d6368;
+}
+.navbar-inverse .navbar-toggle:hover,
+.navbar-inverse .navbar-toggle:focus {
+  background-color: #5d6368;
+}
+.navbar-inverse .navbar-toggle .icon-bar {
+  background-color: #ffffff;
+}
+.navbar-inverse .navbar-collapse,
+.navbar-inverse .navbar-form {
+  border-color: #697075;
+}
+.navbar-inverse .navbar-nav > .open > a,
+.navbar-inverse .navbar-nav > .open > a:hover,
+.navbar-inverse .navbar-nav > .open > a:focus {
+  background-color: #5d6368;
+  color: #ffffff;
+}
+@media (max-width: 767px) {
+  .navbar-inverse .navbar-nav .open .dropdown-menu > .dropdown-header {
+    border-color: #62686d;
+  }
+  .navbar-inverse .navbar-nav .open .dropdown-menu .divider {
+    background-color: #62686d;
+  }
+  .navbar-inverse .navbar-nav .open .dropdown-menu > li > a {
+    color: #cccccc;
+  }
+  .navbar-inverse .navbar-nav .open .dropdown-menu > li > a:hover,
+  .navbar-inverse .navbar-nav .open .dropdown-menu > li > a:focus {
+    color: #ffffff;
+    background-color: #5d6368;
+  }
+  .navbar-inverse .navbar-nav .open .dropdown-menu > .active > a,
+  .navbar-inverse .navbar-nav .open .dropdown-menu > .active > a:hover,
+  .navbar-inverse .navbar-nav .open .dropdown-menu > .active > a:focus {
+    color: #ffffff;
+    background-color: #5d6368;
+  }
+  .navbar-inverse .navbar-nav .open .dropdown-menu > .disabled > a,
+  .navbar-inverse .navbar-nav .open .dropdown-menu > .disabled > a:hover,
+  .navbar-inverse .navbar-nav .open .dropdown-menu > .disabled > a:focus {
+    color: #cccccc;
+    background-color: transparent;
+  }
+}
+.navbar-inverse .navbar-link {
+  color: #cccccc;
+}
+.navbar-inverse .navbar-link:hover {
+  color: #ffffff;
+}
+.navbar-inverse .btn-link {
+  color: #cccccc;
+}
+.navbar-inverse .btn-link:hover,
+.navbar-inverse .btn-link:focus {
+  color: #ffffff;
+}
+.navbar-inverse .btn-link[disabled]:hover,
+fieldset[disabled] .navbar-inverse .btn-link:hover,
+.navbar-inverse .btn-link[disabled]:focus,
+fieldset[disabled] .navbar-inverse .btn-link:focus {
+  color: #cccccc;
+}
+.breadcrumb {
+  padding: 8px 15px;
+  margin-bottom: 20px;
+  list-style: none;
+  background-color: transparent;
+  border-radius: 4px;
+}
+.breadcrumb > li {
+  display: inline-block;
+}
+.breadcrumb > li + li:before {
+  content: "/\00a0";
+  padding: 0 5px;
+  color: #cccccc;
+}
+.breadcrumb > .active {
+  color: #7a8288;
+}
+.pagination {
+  display: inline-block;
+  padding-left: 0;
+  margin: 20px 0;
+  border-radius: 4px;
+}
+.pagination > li {
+  display: inline;
+}
+.pagination > li > a,
+.pagination > li > span {
+  position: relative;
+  float: left;
+  padding: 8px 12px;
+  line-height: 1.42857143;
+  text-decoration: none;
+  color: #ffffff;
+  background-color: #3a3f44;
+  border: 1px solid rgba(0, 0, 0, 0.6);
+  margin-left: -1px;
+}
+.pagination > li:first-child > a,
+.pagination > li:first-child > span {
+  margin-left: 0;
+  border-bottom-left-radius: 4px;
+  border-top-left-radius: 4px;
+}
+.pagination > li:last-child > a,
+.pagination > li:last-child > span {
+  border-bottom-right-radius: 4px;
+  border-top-right-radius: 4px;
+}
+.pagination > li > a:hover,
+.pagination > li > span:hover,
+.pagination > li > a:focus,
+.pagination > li > span:focus {
+  z-index: 2;
+  color: #ffffff;
+  background-color: transparent;
+  border-color: rgba(0, 0, 0, 0.6);
+}
+.pagination > .active > a,
+.pagination > .active > span,
+.pagination > .active > a:hover,
+.pagination > .active > span:hover,
+.pagination > .active > a:focus,
+.pagination > .active > span:focus {
+  z-index: 3;
+  color: #ffffff;
+  background-color: #232628;
+  border-color: rgba(0, 0, 0, 0.6);
+  cursor: default;
+}
+.pagination > .disabled > span,
+.pagination > .disabled > span:hover,
+.pagination > .disabled > span:focus,
+.pagination > .disabled > a,
+.pagination > .disabled > a:hover,
+.pagination > .disabled > a:focus {
+  color: #7a8288;
+  background-color: #ffffff;
+  border-color: rgba(0, 0, 0, 0.6);
+  cursor: not-allowed;
+}
+.pagination-lg > li > a,
+.pagination-lg > li > span {
+  padding: 14px 16px;
+  font-size: 18px;
+  line-height: 1.3333333;
+}
+.pagination-lg > li:first-child > a,
+.pagination-lg > li:first-child > span {
+  border-bottom-left-radius: 6px;
+  border-top-left-radius: 6px;
+}
+.pagination-lg > li:last-child > a,
+.pagination-lg > li:last-child > span {
+  border-bottom-right-radius: 6px;
+  border-top-right-radius: 6px;
+}
+.pagination-sm > li > a,
+.pagination-sm > li > span {
+  padding: 5px 10px;
+  font-size: 12px;
+  line-height: 1.5;
+}
+.pagination-sm > li:first-child > a,
+.pagination-sm > li:first-child > span {
+  border-bottom-left-radius: 3px;
+  border-top-left-radius: 3px;
+}
+.pagination-sm > li:last-child > a,
+.pagination-sm > li:last-child > span {
+  border-bottom-right-radius: 3px;
+  border-top-right-radius: 3px;
+}
+.pager {
+  padding-left: 0;
+  margin: 20px 0;
+  list-style: none;
+  text-align: center;
+}
+.pager li {
+  display: inline;
+}
+.pager li > a,
+.pager li > span {
+  display: inline-block;
+  padding: 5px 14px;
+  background-color: #3a3f44;
+  border: 1px solid rgba(0, 0, 0, 0.6);
+  border-radius: 15px;
+}
+.pager li > a:hover,
+.pager li > a:focus {
+  text-decoration: none;
+  background-color: transparent;
+}
+.pager .next > a,
+.pager .next > span {
+  float: right;
+}
+.pager .previous > a,
+.pager .previous > span {
+  float: left;
+}
+.pager .disabled > a,
+.pager .disabled > a:hover,
+.pager .disabled > a:focus,
+.pager .disabled > span {
+  color: #7a8288;
+  background-color: #3a3f44;
+  cursor: not-allowed;
+}
+.label {
+  display: inline;
+  padding: .2em .6em .3em;
+  font-size: 75%;
+  font-weight: bold;
+  line-height: 1;
+  color: #ffffff;
+  text-align: center;
+  white-space: nowrap;
+  vertical-align: baseline;
+  border-radius: .25em;
+}
+a.label:hover,
+a.label:focus {
+  color: #ffffff;
+  text-decoration: none;
+  cursor: pointer;
+}
+.label:empty {
+  display: none;
+}
+.btn .label {
+  position: relative;
+  top: -1px;
+}
+.label-default {
+  background-color: #3a3f44;
+}
+.label-default[href]:hover,
+.label-default[href]:focus {
+  background-color: #232628;
+}
+.label-primary {
+  background-color: #7a8288;
+}
+.label-primary[href]:hover,
+.label-primary[href]:focus {
+  background-color: #62686d;
+}
+.label-success {
+  background-color: #62c462;
+}
+.label-success[href]:hover,
+.label-success[href]:focus {
+  background-color: #42b142;
+}
+.label-info {
+  background-color: #5bc0de;
+}
+.label-info[href]:hover,
+.label-info[href]:focus {
+  background-color: #31b0d5;
+}
+.label-warning {
+  background-color: #f89406;
+}
+.label-warning[href]:hover,
+.label-warning[href]:focus {
+  background-color: #c67605;
+}
+.label-danger {
+  background-color: #ee5f5b;
+}
+.label-danger[href]:hover,
+.label-danger[href]:focus {
+  background-color: #e9322d;
+}
+.badge {
+  display: inline-block;
+  min-width: 10px;
+  padding: 3px 7px;
+  font-size: 12px;
+  font-weight: bold;
+  color: #ffffff;
+  line-height: 1;
+  vertical-align: middle;
+  white-space: nowrap;
+  text-align: center;
+  background-color: #7a8288;
+  border-radius: 10px;
+}
+.badge:empty {
+  display: none;
+}
+.btn .badge {
+  position: relative;
+  top: -1px;
+}
+.btn-xs .badge,
+.btn-group-xs > .btn .badge {
+  top: 0;
+  padding: 1px 5px;
+}
+a.badge:hover,
+a.badge:focus {
+  color: #ffffff;
+  text-decoration: none;
+  cursor: pointer;
+}
+.list-group-item.active > .badge,
+.nav-pills > .active > a > .badge {
+  color: #ffffff;
+  background-color: #7a8288;
+}
+.list-group-item > .badge {
+  float: right;
+}
+.list-group-item > .badge + .badge {
+  margin-right: 5px;
+}
+.nav-pills > li > a > .badge {
+  margin-left: 3px;
+}
+.jumbotron {
+  padding-top: 30px;
+  padding-bottom: 30px;
+  margin-bottom: 30px;
+  color: inherit;
+  background-color: #1c1e22;
+}
+.jumbotron h1,
+.jumbotron .h1 {
+  color: inherit;
+}
+.jumbotron p {
+  margin-bottom: 15px;
+  font-size: 21px;
+  font-weight: 200;
+}
+.jumbotron > hr {
+  border-top-color: #050506;
+}
+.container .jumbotron,
+.container-fluid .jumbotron {
+  border-radius: 6px;
+  padding-left: 15px;
+  padding-right: 15px;
+}
+.jumbotron .container {
+  max-width: 100%;
+}
+@media screen and (min-width: 768px) {
+  .jumbotron {
+    padding-top: 48px;
+    padding-bottom: 48px;
+  }
+  .container .jumbotron,
+  .container-fluid .jumbotron {
+    padding-left: 60px;
+    padding-right: 60px;
+  }
+  .jumbotron h1,
+  .jumbotron .h1 {
+    font-size: 63px;
+  }
+}
+.thumbnail {
+  display: block;
+  padding: 4px;
+  margin-bottom: 20px;
+  line-height: 1.42857143;
+  background-color: #1c1e22;
+  border: 1px solid #0c0d0e;
+  border-radius: 4px;
+  -webkit-transition: border 0.2s ease-in-out;
+  -o-transition: border 0.2s ease-in-out;
+  transition: border 0.2s ease-in-out;
+}
+.thumbnail > img,
+.thumbnail a > img {
+  margin-left: auto;
+  margin-right: auto;
+}
+a.thumbnail:hover,
+a.thumbnail:focus,
+a.thumbnail.active {
+  border-color: #ffffff;
+}
+.thumbnail .caption {
+  padding: 9px;
+  color: #c8c8c8;
+}
+.alert {
+  padding: 15px;
+  margin-bottom: 20px;
+  border: 1px solid transparent;
+  border-radius: 4px;
+}
+.alert h4 {
+  margin-top: 0;
+  color: inherit;
+}
+.alert .alert-link {
+  font-weight: bold;
+}
+.alert > p,
+.alert > ul {
+  margin-bottom: 0;
+}
+.alert > p + p {
+  margin-top: 5px;
+}
+.alert-dismissable,
+.alert-dismissible {
+  padding-right: 35px;
+}
+.alert-dismissable .close,
+.alert-dismissible .close {
+  position: relative;
+  top: -2px;
+  right: -21px;
+  color: inherit;
+}
+.alert-success {
+  background-color: #62c462;
+  border-color: #62bd4f;
+  color: #ffffff;
+}
+.alert-success hr {
+  border-top-color: #55b142;
+}
+.alert-success .alert-link {
+  color: #e6e6e6;
+}
+.alert-info {
+  background-color: #5bc0de;
+  border-color: #3dced8;
+  color: #ffffff;
+}
+.alert-info hr {
+  border-top-color: #2ac7d2;
+}
+.alert-info .alert-link {
+  color: #e6e6e6;
+}
+.alert-warning {
+  background-color: #f89406;
+  border-color: #e96506;
+  color: #ffffff;
+}
+.alert-warning hr {
+  border-top-color: #d05a05;
+}
+.alert-warning .alert-link {
+  color: #e6e6e6;
+}
+.alert-danger {
+  background-color: #ee5f5b;
+  border-color: #ed4d63;
+  color: #ffffff;
+}
+.alert-danger hr {
+  border-top-color: #ea364f;
+}
+.alert-danger .alert-link {
+  color: #e6e6e6;
+}
+@-webkit-keyframes progress-bar-stripes {
+  from {
+    background-position: 40px 0;
+  }
+  to {
+    background-position: 0 0;
+  }
+}
+@-o-keyframes progress-bar-stripes {
+  from {
+    background-position: 40px 0;
+  }
+  to {
+    background-position: 0 0;
+  }
+}
+@keyframes progress-bar-stripes {
+  from {
+    background-position: 40px 0;
+  }
+  to {
+    background-position: 0 0;
+  }
+}
+.progress {
+  overflow: hidden;
+  height: 20px;
+  margin-bottom: 20px;
+  background-color: #1c1e22;
+  border-radius: 4px;
+  -webkit-box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
+  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
+}
+.progress-bar {
+  float: left;
+  width: 0%;
+  height: 100%;
+  font-size: 12px;
+  line-height: 20px;
+  color: #ffffff;
+  text-align: center;
+  background-color: #7a8288;
+  -webkit-box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.15);
+  box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.15);
+  -webkit-transition: width 0.6s ease;
+  -o-transition: width 0.6s ease;
+  transition: width 0.6s ease;
+}
+.progress-striped .progress-bar,
+.progress-bar-striped {
+  background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
+  background-image: -o-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
+  background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
+  -webkit-background-size: 40px 40px;
+          background-size: 40px 40px;
+}
+.progress.active .progress-bar,
+.progress-bar.active {
+  -webkit-animation: progress-bar-stripes 2s linear infinite;
+  -o-animation: progress-bar-stripes 2s linear infinite;
+  animation: progress-bar-stripes 2s linear infinite;
+}
+.progress-bar-success {
+  background-color: #62c462;
+}
+.progress-striped .progress-bar-success {
+  background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
+  background-image: -o-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
+  background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
+}
+.progress-bar-info {
+  background-color: #5bc0de;
+}
+.progress-striped .progress-bar-info {
+  background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
+  background-image: -o-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
+  background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
+}
+.progress-bar-warning {
+  background-color: #f89406;
+}
+.progress-striped .progress-bar-warning {
+  background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
+  background-image: -o-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
+  background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
+}
+.progress-bar-danger {
+  background-color: #ee5f5b;
+}
+.progress-striped .progress-bar-danger {
+  background-image: -webkit-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
+  background-image: -o-linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
+  background-image: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 25%, transparent 25%, transparent 50%, rgba(255, 255, 255, 0.15) 50%, rgba(255, 255, 255, 0.15) 75%, transparent 75%, transparent);
+}
+.media {
+  margin-top: 15px;
+}
+.media:first-child {
+  margin-top: 0;
+}
+.media,
+.media-body {
+  zoom: 1;
+  overflow: hidden;
+}
+.media-body {
+  width: 10000px;
+}
+.media-object {
+  display: block;
+}
+.media-object.img-thumbnail {
+  max-width: none;
+}
+.media-right,
+.media > .pull-right {
+  padding-left: 10px;
+}
+.media-left,
+.media > .pull-left {
+  padding-right: 10px;
+}
+.media-left,
+.media-right,
+.media-body {
+  display: table-cell;
+  vertical-align: top;
+}
+.media-middle {
+  vertical-align: middle;
+}
+.media-bottom {
+  vertical-align: bottom;
+}
+.media-heading {
+  margin-top: 0;
+  margin-bottom: 5px;
+}
+.media-list {
+  padding-left: 0;
+  list-style: none;
+}
+.list-group {
+  margin-bottom: 20px;
+  padding-left: 0;
+}
+.list-group-item {
+  position: relative;
+  display: block;
+  padding: 10px 15px;
+  margin-bottom: -1px;
+  background-color: #32383e;
+  border: 1px solid rgba(0, 0, 0, 0.6);
+}
+.list-group-item:first-child {
+  border-top-right-radius: 4px;
+  border-top-left-radius: 4px;
+}
+.list-group-item:last-child {
+  margin-bottom: 0;
+  border-bottom-right-radius: 4px;
+  border-bottom-left-radius: 4px;
+}
+a.list-group-item,
+button.list-group-item {
+  color: #c8c8c8;
+}
+a.list-group-item .list-group-item-heading,
+button.list-group-item .list-group-item-heading {
+  color: #ffffff;
+}
+a.list-group-item:hover,
+button.list-group-item:hover,
+a.list-group-item:focus,
+button.list-group-item:focus {
+  text-decoration: none;
+  color: #c8c8c8;
+  background-color: #3e444c;
+}
+button.list-group-item {
+  width: 100%;
+  text-align: left;
+}
+.list-group-item.disabled,
+.list-group-item.disabled:hover,
+.list-group-item.disabled:focus {
+  background-color: #999999;
+  color: #7a8288;
+  cursor: not-allowed;
+}
+.list-group-item.disabled .list-group-item-heading,
+.list-group-item.disabled:hover .list-group-item-heading,
+.list-group-item.disabled:focus .list-group-item-heading {
+  color: inherit;
+}
+.list-group-item.disabled .list-group-item-text,
+.list-group-item.disabled:hover .list-group-item-text,
+.list-group-item.disabled:focus .list-group-item-text {
+  color: #7a8288;
+}
+.list-group-item.active,
+.list-group-item.active:hover,
+.list-group-item.active:focus {
+  z-index: 2;
+  color: #ffffff;
+  background-color: #3e444c;
+  border-color: rgba(0, 0, 0, 0.6);
+}
+.list-group-item.active .list-group-item-heading,
+.list-group-item.active:hover .list-group-item-heading,
+.list-group-item.active:focus .list-group-item-heading,
+.list-group-item.active .list-group-item-heading > small,
+.list-group-item.active:hover .list-group-item-heading > small,
+.list-group-item.active:focus .list-group-item-heading > small,
+.list-group-item.active .list-group-item-heading > .small,
+.list-group-item.active:hover .list-group-item-heading > .small,
+.list-group-item.active:focus .list-group-item-heading > .small {
+  color: inherit;
+}
+.list-group-item.active .list-group-item-text,
+.list-group-item.active:hover .list-group-item-text,
+.list-group-item.active:focus .list-group-item-text {
+  color: #a2aab4;
+}
+.list-group-item-success {
+  color: #ffffff;
+  background-color: #62c462;
+}
+a.list-group-item-success,
+button.list-group-item-success {
+  color: #ffffff;
+}
+a.list-group-item-success .list-group-item-heading,
+button.list-group-item-success .list-group-item-heading {
+  color: inherit;
+}
+a.list-group-item-success:hover,
+button.list-group-item-success:hover,
+a.list-group-item-success:focus,
+button.list-group-item-success:focus {
+  color: #ffffff;
+  background-color: #4fbd4f;
+}
+a.list-group-item-success.active,
+button.list-group-item-success.active,
+a.list-group-item-success.active:hover,
+button.list-group-item-success.active:hover,
+a.list-group-item-success.active:focus,
+button.list-group-item-success.active:focus {
+  color: #fff;
+  background-color: #ffffff;
+  border-color: #ffffff;
+}
+.list-group-item-info {
+  color: #ffffff;
+  background-color: #5bc0de;
+}
+a.list-group-item-info,
+button.list-group-item-info {
+  color: #ffffff;
+}
+a.list-group-item-info .list-group-item-heading,
+button.list-group-item-info .list-group-item-heading {
+  color: inherit;
+}
+a.list-group-item-info:hover,
+button.list-group-item-info:hover,
+a.list-group-item-info:focus,
+button.list-group-item-info:focus {
+  color: #ffffff;
+  background-color: #46b8da;
+}
+a.list-group-item-info.active,
+button.list-group-item-info.active,
+a.list-group-item-info.active:hover,
+button.list-group-item-info.active:hover,
+a.list-group-item-info.active:focus,
+button.list-group-item-info.active:focus {
+  color: #fff;
+  background-color: #ffffff;
+  border-color: #ffffff;
+}
+.list-group-item-warning {
+  color: #ffffff;
+  background-color: #f89406;
+}
+a.list-group-item-warning,
+button.list-group-item-warning {
+  color: #ffffff;
+}
+a.list-group-item-warning .list-group-item-heading,
+button.list-group-item-warning .list-group-item-heading {
+  color: inherit;
+}
+a.list-group-item-warning:hover,
+button.list-group-item-warning:hover,
+a.list-group-item-warning:focus,
+button.list-group-item-warning:focus {
+  color: #ffffff;
+  background-color: #df8505;
+}
+a.list-group-item-warning.active,
+button.list-group-item-warning.active,
+a.list-group-item-warning.active:hover,
+button.list-group-item-warning.active:hover,
+a.list-group-item-warning.active:focus,
+button.list-group-item-warning.active:focus {
+  color: #fff;
+  background-color: #ffffff;
+  border-color: #ffffff;
+}
+.list-group-item-danger {
+  color: #ffffff;
+  background-color: #ee5f5b;
+}
+a.list-group-item-danger,
+button.list-group-item-danger {
+  color: #ffffff;
+}
+a.list-group-item-danger .list-group-item-heading,
+button.list-group-item-danger .list-group-item-heading {
+  color: inherit;
+}
+a.list-group-item-danger:hover,
+button.list-group-item-danger:hover,
+a.list-group-item-danger:focus,
+button.list-group-item-danger:focus {
+  color: #ffffff;
+  background-color: #ec4844;
+}
+a.list-group-item-danger.active,
+button.list-group-item-danger.active,
+a.list-group-item-danger.active:hover,
+button.list-group-item-danger.active:hover,
+a.list-group-item-danger.active:focus,
+button.list-group-item-danger.active:focus {
+  color: #fff;
+  background-color: #ffffff;
+  border-color: #ffffff;
+}
+.list-group-item-heading {
+  margin-top: 0;
+  margin-bottom: 5px;
+}
+.list-group-item-text {
+  margin-bottom: 0;
+  line-height: 1.3;
+}
+.panel {
+  margin-bottom: 20px;
+  background-color: #2e3338;
+  border: 1px solid transparent;
+  border-radius: 4px;
+  -webkit-box-shadow: 0 1px 1px rgba(0, 0, 0, 0.05);
+  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.05);
+}
+.panel-body {
+  padding: 15px;
+}
+.panel-heading {
+  padding: 10px 15px;
+  border-bottom: 1px solid transparent;
+  border-top-right-radius: 3px;
+  border-top-left-radius: 3px;
+}
+.panel-heading > .dropdown .dropdown-toggle {
+  color: inherit;
+}
+.panel-title {
+  margin-top: 0;
+  margin-bottom: 0;
+  font-size: 16px;
+  color: inherit;
+}
+.panel-title > a,
+.panel-title > small,
+.panel-title > .small,
+.panel-title > small > a,
+.panel-title > .small > a {
+  color: inherit;
+}
+.panel-footer {
+  padding: 10px 15px;
+  background-color: #3e444c;
+  border-top: 1px solid rgba(0, 0, 0, 0.6);
+  border-bottom-right-radius: 3px;
+  border-bottom-left-radius: 3px;
+}
+.panel > .list-group,
+.panel > .panel-collapse > .list-group {
+  margin-bottom: 0;
+}
+.panel > .list-group .list-group-item,
+.panel > .panel-collapse > .list-group .list-group-item {
+  border-width: 1px 0;
+  border-radius: 0;
+}
+.panel > .list-group:first-child .list-group-item:first-child,
+.panel > .panel-collapse > .list-group:first-child .list-group-item:first-child {
+  border-top: 0;
+  border-top-right-radius: 3px;
+  border-top-left-radius: 3px;
+}
+.panel > .list-group:last-child .list-group-item:last-child,
+.panel > .panel-collapse > .list-group:last-child .list-group-item:last-child {
+  border-bottom: 0;
+  border-bottom-right-radius: 3px;
+  border-bottom-left-radius: 3px;
+}
+.panel > .panel-heading + .panel-collapse > .list-group .list-group-item:first-child {
+  border-top-right-radius: 0;
+  border-top-left-radius: 0;
+}
+.panel-heading + .list-group .list-group-item:first-child {
+  border-top-width: 0;
+}
+.list-group + .panel-footer {
+  border-top-width: 0;
+}
+.panel > .table,
+.panel > .table-responsive > .table,
+.panel > .panel-collapse > .table {
+  margin-bottom: 0;
+}
+.panel > .table caption,
+.panel > .table-responsive > .table caption,
+.panel > .panel-collapse > .table caption {
+  padding-left: 15px;
+  padding-right: 15px;
+}
+.panel > .table:first-child,
+.panel > .table-responsive:first-child > .table:first-child {
+  border-top-right-radius: 3px;
+  border-top-left-radius: 3px;
+}
+.panel > .table:first-child > thead:first-child > tr:first-child,
+.panel > .table-responsive:first-child > .table:first-child > thead:first-child > tr:first-child,
+.panel > .table:first-child > tbody:first-child > tr:first-child,
+.panel > .table-responsive:first-child > .table:first-child > tbody:first-child > tr:first-child {
+  border-top-left-radius: 3px;
+  border-top-right-radius: 3px;
+}
+.panel > .table:first-child > thead:first-child > tr:first-child td:first-child,
+.panel > .table-responsive:first-child > .table:first-child > thead:first-child > tr:first-child td:first-child,
+.panel > .table:first-child > tbody:first-child > tr:first-child td:first-child,
+.panel > .table-responsive:first-child > .table:first-child > tbody:first-child > tr:first-child td:first-child,
+.panel > .table:first-child > thead:first-child > tr:first-child th:first-child,
+.panel > .table-responsive:first-child > .table:first-child > thead:first-child > tr:first-child th:first-child,
+.panel > .table:first-child > tbody:first-child > tr:first-child th:first-child,
+.panel > .table-responsive:first-child > .table:first-child > tbody:first-child > tr:first-child th:first-child {
+  border-top-left-radius: 3px;
+}
+.panel > .table:first-child > thead:first-child > tr:first-child td:last-child,
+.panel > .table-responsive:first-child > .table:first-child > thead:first-child > tr:first-child td:last-child,
+.panel > .table:first-child > tbody:first-child > tr:first-child td:last-child,
+.panel > .table-responsive:first-child > .table:first-child > tbody:first-child > tr:first-child td:last-child,
+.panel > .table:first-child > thead:first-child > tr:first-child th:last-child,
+.panel > .table-responsive:first-child > .table:first-child > thead:first-child > tr:first-child th:last-child,
+.panel > .table:first-child > tbody:first-child > tr:first-child th:last-child,
+.panel > .table-responsive:first-child > .table:first-child > tbody:first-child > tr:first-child th:last-child {
+  border-top-right-radius: 3px;
+}
+.panel > .table:last-child,
+.panel > .table-responsive:last-child > .table:last-child {
+  border-bottom-right-radius: 3px;
+  border-bottom-left-radius: 3px;
+}
+.panel > .table:last-child > tbody:last-child > tr:last-child,
+.panel > .table-responsive:last-child > .table:last-child > tbody:last-child > tr:last-child,
+.panel > .table:last-child > tfoot:last-child > tr:last-child,
+.panel > .table-responsive:last-child > .table:last-child > tfoot:last-child > tr:last-child {
+  border-bottom-left-radius: 3px;
+  border-bottom-right-radius: 3px;
+}
+.panel > .table:last-child > tbody:last-child > tr:last-child td:first-child,
+.panel > .table-responsive:last-child > .table:last-child > tbody:last-child > tr:last-child td:first-child,
+.panel > .table:last-child > tfoot:last-child > tr:last-child td:first-child,
+.panel > .table-responsive:last-child > .table:last-child > tfoot:last-child > tr:last-child td:first-child,
+.panel > .table:last-child > tbody:last-child > tr:last-child th:first-child,
+.panel > .table-responsive:last-child > .table:last-child > tbody:last-child > tr:last-child th:first-child,
+.panel > .table:last-child > tfoot:last-child > tr:last-child th:first-child,
+.panel > .table-responsive:last-child > .table:last-child > tfoot:last-child > tr:last-child th:first-child {
+  border-bottom-left-radius: 3px;
+}
+.panel > .table:last-child > tbody:last-child > tr:last-child td:last-child,
+.panel > .table-responsive:last-child > .table:last-child > tbody:last-child > tr:last-child td:last-child,
+.panel > .table:last-child > tfoot:last-child > tr:last-child td:last-child,
+.panel > .table-responsive:last-child > .table:last-child > tfoot:last-child > tr:last-child td:last-child,
+.panel > .table:last-child > tbody:last-child > tr:last-child th:last-child,
+.panel > .table-responsive:last-child > .table:last-child > tbody:last-child > tr:last-child th:last-child,
+.panel > .table:last-child > tfoot:last-child > tr:last-child th:last-child,
+.panel > .table-responsive:last-child > .table:last-child > tfoot:last-child > tr:last-child th:last-child {
+  border-bottom-right-radius: 3px;
+}
+.panel > .panel-body + .table,
+.panel > .panel-body + .table-responsive,
+.panel > .table + .panel-body,
+.panel > .table-responsive + .panel-body {
+  border-top: 1px solid #1c1e22;
+}
+.panel > .table > tbody:first-child > tr:first-child th,
+.panel > .table > tbody:first-child > tr:first-child td {
+  border-top: 0;
+}
+.panel > .table-bordered,
+.panel > .table-responsive > .table-bordered {
+  border: 0;
+}
+.panel > .table-bordered > thead > tr > th:first-child,
+.panel > .table-responsive > .table-bordered > thead > tr > th:first-child,
+.panel > .table-bordered > tbody > tr > th:first-child,
+.panel > .table-responsive > .table-bordered > tbody > tr > th:first-child,
+.panel > .table-bordered > tfoot > tr > th:first-child,
+.panel > .table-responsive > .table-bordered > tfoot > tr > th:first-child,
+.panel > .table-bordered > thead > tr > td:first-child,
+.panel > .table-responsive > .table-bordered > thead > tr > td:first-child,
+.panel > .table-bordered > tbody > tr > td:first-child,
+.panel > .table-responsive > .table-bordered > tbody > tr > td:first-child,
+.panel > .table-bordered > tfoot > tr > td:first-child,
+.panel > .table-responsive > .table-bordered > tfoot > tr > td:first-child {
+  border-left: 0;
+}
+.panel > .table-bordered > thead > tr > th:last-child,
+.panel > .table-responsive > .table-bordered > thead > tr > th:last-child,
+.panel > .table-bordered > tbody > tr > th:last-child,
+.panel > .table-responsive > .table-bordered > tbody > tr > th:last-child,
+.panel > .table-bordered > tfoot > tr > th:last-child,
+.panel > .table-responsive > .table-bordered > tfoot > tr > th:last-child,
+.panel > .table-bordered > thead > tr > td:last-child,
+.panel > .table-responsive > .table-bordered > thead > tr > td:last-child,
+.panel > .table-bordered > tbody > tr > td:last-child,
+.panel > .table-responsive > .table-bordered > tbody > tr > td:last-child,
+.panel > .table-bordered > tfoot > tr > td:last-child,
+.panel > .table-responsive > .table-bordered > tfoot > tr > td:last-child {
+  border-right: 0;
+}
+.panel > .table-bordered > thead > tr:first-child > td,
+.panel > .table-responsive > .table-bordered > thead > tr:first-child > td,
+.panel > .table-bordered > tbody > tr:first-child > td,
+.panel > .table-responsive > .table-bordered > tbody > tr:first-child > td,
+.panel > .table-bordered > thead > tr:first-child > th,
+.panel > .table-responsive > .table-bordered > thead > tr:first-child > th,
+.panel > .table-bordered > tbody > tr:first-child > th,
+.panel > .table-responsive > .table-bordered > tbody > tr:first-child > th {
+  border-bottom: 0;
+}
+.panel > .table-bordered > tbody > tr:last-child > td,
+.panel > .table-responsive > .table-bordered > tbody > tr:last-child > td,
+.panel > .table-bordered > tfoot > tr:last-child > td,
+.panel > .table-responsive > .table-bordered > tfoot > tr:last-child > td,
+.panel > .table-bordered > tbody > tr:last-child > th,
+.panel > .table-responsive > .table-bordered > tbody > tr:last-child > th,
+.panel > .table-bordered > tfoot > tr:last-child > th,
+.panel > .table-responsive > .table-bordered > tfoot > tr:last-child > th {
+  border-bottom: 0;
+}
+.panel > .table-responsive {
+  border: 0;
+  margin-bottom: 0;
+}
+.panel-group {
+  margin-bottom: 20px;
+}
+.panel-group .panel {
+  margin-bottom: 0;
+  border-radius: 4px;
+}
+.panel-group .panel + .panel {
+  margin-top: 5px;
+}
+.panel-group .panel-heading {
+  border-bottom: 0;
+}
+.panel-group .panel-heading + .panel-collapse > .panel-body,
+.panel-group .panel-heading + .panel-collapse > .list-group {
+  border-top: 1px solid rgba(0, 0, 0, 0.6);
+}
+.panel-group .panel-footer {
+  border-top: 0;
+}
+.panel-group .panel-footer + .panel-collapse .panel-body {
+  border-bottom: 1px solid rgba(0, 0, 0, 0.6);
+}
+.panel-default {
+  border-color: rgba(0, 0, 0, 0.6);
+}
+.panel-default > .panel-heading {
+  color: #c8c8c8;
+  background-color: #3e444c;
+  border-color: rgba(0, 0, 0, 0.6);
+}
+.panel-default > .panel-heading + .panel-collapse > .panel-body {
+  border-top-color: rgba(0, 0, 0, 0.6);
+}
+.panel-default > .panel-heading .badge {
+  color: #3e444c;
+  background-color: #c8c8c8;
+}
+.panel-default > .panel-footer + .panel-collapse > .panel-body {
+  border-bottom-color: rgba(0, 0, 0, 0.6);
+}
+.panel-primary {
+  border-color: rgba(0, 0, 0, 0.6);
+}
+.panel-primary > .panel-heading {
+  color: #ffffff;
+  background-color: #7a8288;
+  border-color: rgba(0, 0, 0, 0.6);
+}
+.panel-primary > .panel-heading + .panel-collapse > .panel-body {
+  border-top-color: rgba(0, 0, 0, 0.6);
+}
+.panel-primary > .panel-heading .badge {
+  color: #7a8288;
+  background-color: #ffffff;
+}
+.panel-primary > .panel-footer + .panel-collapse > .panel-body {
+  border-bottom-color: rgba(0, 0, 0, 0.6);
+}
+.panel-success {
+  border-color: rgba(0, 0, 0, 0.6);
+}
+.panel-success > .panel-heading {
+  color: #ffffff;
+  background-color: #62c462;
+  border-color: rgba(0, 0, 0, 0.6);
+}
+.panel-success > .panel-heading + .panel-collapse > .panel-body {
+  border-top-color: rgba(0, 0, 0, 0.6);
+}
+.panel-success > .panel-heading .badge {
+  color: #62c462;
+  background-color: #ffffff;
+}
+.panel-success > .panel-footer + .panel-collapse > .panel-body {
+  border-bottom-color: rgba(0, 0, 0, 0.6);
+}
+.panel-info {
+  border-color: rgba(0, 0, 0, 0.6);
+}
+.panel-info > .panel-heading {
+  color: #ffffff;
+  background-color: #5bc0de;
+  border-color: rgba(0, 0, 0, 0.6);
+}
+.panel-info > .panel-heading + .panel-collapse > .panel-body {
+  border-top-color: rgba(0, 0, 0, 0.6);
+}
+.panel-info > .panel-heading .badge {
+  color: #5bc0de;
+  background-color: #ffffff;
+}
+.panel-info > .panel-footer + .panel-collapse > .panel-body {
+  border-bottom-color: rgba(0, 0, 0, 0.6);
+}
+.panel-warning {
+  border-color: rgba(0, 0, 0, 0.6);
+}
+.panel-warning > .panel-heading {
+  color: #ffffff;
+  background-color: #f89406;
+  border-color: rgba(0, 0, 0, 0.6);
+}
+.panel-warning > .panel-heading + .panel-collapse > .panel-body {
+  border-top-color: rgba(0, 0, 0, 0.6);
+}
+.panel-warning > .panel-heading .badge {
+  color: #f89406;
+  background-color: #ffffff;
+}
+.panel-warning > .panel-footer + .panel-collapse > .panel-body {
+  border-bottom-color: rgba(0, 0, 0, 0.6);
+}
+.panel-danger {
+  border-color: rgba(0, 0, 0, 0.6);
+}
+.panel-danger > .panel-heading {
+  color: #ffffff;
+  background-color: #ee5f5b;
+  border-color: rgba(0, 0, 0, 0.6);
+}
+.panel-danger > .panel-heading + .panel-collapse > .panel-body {
+  border-top-color: rgba(0, 0, 0, 0.6);
+}
+.panel-danger > .panel-heading .badge {
+  color: #ee5f5b;
+  background-color: #ffffff;
+}
+.panel-danger > .panel-footer + .panel-collapse > .panel-body {
+  border-bottom-color: rgba(0, 0, 0, 0.6);
+}
+.embed-responsive {
+  position: relative;
+  display: block;
+  height: 0;
+  padding: 0;
+  overflow: hidden;
+}
+.embed-responsive .embed-responsive-item,
+.embed-responsive iframe,
+.embed-responsive embed,
+.embed-responsive object,
+.embed-responsive video {
+  position: absolute;
+  top: 0;
+  left: 0;
+  bottom: 0;
+  height: 100%;
+  width: 100%;
+  border: 0;
+}
+.embed-responsive-16by9 {
+  padding-bottom: 56.25%;
+}
+.embed-responsive-4by3 {
+  padding-bottom: 75%;
+}
+.well {
+  min-height: 20px;
+  padding: 19px;
+  margin-bottom: 20px;
+  background-color: #1c1e22;
+  border: 1px solid #0c0d0e;
+  border-radius: 4px;
+  -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.05);
+  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.05);
+}
+.well blockquote {
+  border-color: #ddd;
+  border-color: rgba(0, 0, 0, 0.15);
+}
+.well-lg {
+  padding: 24px;
+  border-radius: 6px;
+}
+.well-sm {
+  padding: 9px;
+  border-radius: 3px;
+}
+.close {
+  float: right;
+  font-size: 21px;
+  font-weight: bold;
+  line-height: 1;
+  color: #000000;
+  text-shadow: 0 1px 0 #ffffff;
+  opacity: 0.2;
+  filter: alpha(opacity=20);
+}
+.close:hover,
+.close:focus {
+  color: #000000;
+  text-decoration: none;
+  cursor: pointer;
+  opacity: 0.5;
+  filter: alpha(opacity=50);
+}
+button.close {
+  padding: 0;
+  cursor: pointer;
+  background: transparent;
+  border: 0;
+  -webkit-appearance: none;
+}
+.modal-open {
+  overflow: hidden;
+}
+.modal {
+  display: none;
+  overflow: hidden;
+  position: fixed;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  left: 0;
+  z-index: 1050;
+  -webkit-overflow-scrolling: touch;
+  outline: 0;
+}
+.modal.fade .modal-dialog {
+  -webkit-transform: translate(0, -25%);
+  -ms-transform: translate(0, -25%);
+  -o-transform: translate(0, -25%);
+  transform: translate(0, -25%);
+  -webkit-transition: -webkit-transform 0.3s ease-out;
+  -o-transition: -o-transform 0.3s ease-out;
+  transition: transform 0.3s ease-out;
+}
+.modal.in .modal-dialog {
+  -webkit-transform: translate(0, 0);
+  -ms-transform: translate(0, 0);
+  -o-transform: translate(0, 0);
+  transform: translate(0, 0);
+}
+.modal-open .modal {
+  overflow-x: hidden;
+  overflow-y: auto;
+}
+.modal-dialog {
+  position: relative;
+  width: auto;
+  margin: 10px;
+}
+.modal-content {
+  position: relative;
+  background-color: #2e3338;
+  border: 1px solid #999999;
+  border: 1px solid rgba(0, 0, 0, 0.2);
+  border-radius: 6px;
+  -webkit-box-shadow: 0 3px 9px rgba(0, 0, 0, 0.5);
+  box-shadow: 0 3px 9px rgba(0, 0, 0, 0.5);
+  -webkit-background-clip: padding-box;
+          background-clip: padding-box;
+  outline: 0;
+}
+.modal-backdrop {
+  position: fixed;
+  top: 0;
+  right: 0;
+  bottom: 0;
+  left: 0;
+  z-index: 1040;
+  background-color: #000000;
+}
+.modal-backdrop.fade {
+  opacity: 0;
+  filter: alpha(opacity=0);
+}
+.modal-backdrop.in {
+  opacity: 0.5;
+  filter: alpha(opacity=50);
+}
+.modal-header {
+  padding: 15px;
+  border-bottom: 1px solid #1c1e22;
+}
+.modal-header .close {
+  margin-top: -2px;
+}
+.modal-title {
+  margin: 0;
+  line-height: 1.42857143;
+}
+.modal-body {
+  position: relative;
+  padding: 20px;
+}
+.modal-footer {
+  padding: 20px;
+  text-align: right;
+  border-top: 1px solid #1c1e22;
+}
+.modal-footer .btn + .btn {
+  margin-left: 5px;
+  margin-bottom: 0;
+}
+.modal-footer .btn-group .btn + .btn {
+  margin-left: -1px;
+}
+.modal-footer .btn-block + .btn-block {
+  margin-left: 0;
+}
+.modal-scrollbar-measure {
+  position: absolute;
+  top: -9999px;
+  width: 50px;
+  height: 50px;
+  overflow: scroll;
+}
+@media (min-width: 768px) {
+  .modal-dialog {
+    width: 600px;
+    margin: 30px auto;
+  }
+  .modal-content {
+    -webkit-box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
+    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
+  }
+  .modal-sm {
+    width: 300px;
+  }
+}
+@media (min-width: 992px) {
+  .modal-lg {
+    width: 900px;
+  }
+}
+.tooltip {
+  position: absolute;
+  z-index: 1070;
+  display: block;
+  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
+  font-style: normal;
+  font-weight: normal;
+  letter-spacing: normal;
+  line-break: auto;
+  line-height: 1.42857143;
+  text-align: left;
+  text-align: start;
+  text-decoration: none;
+  text-shadow: none;
+  text-transform: none;
+  white-space: normal;
+  word-break: normal;
+  word-spacing: normal;
+  word-wrap: normal;
+  font-size: 12px;
+  opacity: 0;
+  filter: alpha(opacity=0);
+}
+.tooltip.in {
+  opacity: 0.9;
+  filter: alpha(opacity=90);
+}
+.tooltip.top {
+  margin-top: -3px;
+  padding: 5px 0;
+}
+.tooltip.right {
+  margin-left: 3px;
+  padding: 0 5px;
+}
+.tooltip.bottom {
+  margin-top: 3px;
+  padding: 5px 0;
+}
+.tooltip.left {
+  margin-left: -3px;
+  padding: 0 5px;
+}
+.tooltip-inner {
+  max-width: 200px;
+  padding: 3px 8px;
+  color: #ffffff;
+  text-align: center;
+  background-color: #000000;
+  border-radius: 4px;
+}
+.tooltip-arrow {
+  position: absolute;
+  width: 0;
+  height: 0;
+  border-color: transparent;
+  border-style: solid;
+}
+.tooltip.top .tooltip-arrow {
+  bottom: 0;
+  left: 50%;
+  margin-left: -5px;
+  border-width: 5px 5px 0;
+  border-top-color: #000000;
+}
+.tooltip.top-left .tooltip-arrow {
+  bottom: 0;
+  right: 5px;
+  margin-bottom: -5px;
+  border-width: 5px 5px 0;
+  border-top-color: #000000;
+}
+.tooltip.top-right .tooltip-arrow {
+  bottom: 0;
+  left: 5px;
+  margin-bottom: -5px;
+  border-width: 5px 5px 0;
+  border-top-color: #000000;
+}
+.tooltip.right .tooltip-arrow {
+  top: 50%;
+  left: 0;
+  margin-top: -5px;
+  border-width: 5px 5px 5px 0;
+  border-right-color: #000000;
+}
+.tooltip.left .tooltip-arrow {
+  top: 50%;
+  right: 0;
+  margin-top: -5px;
+  border-width: 5px 0 5px 5px;
+  border-left-color: #000000;
+}
+.tooltip.bottom .tooltip-arrow {
+  top: 0;
+  left: 50%;
+  margin-left: -5px;
+  border-width: 0 5px 5px;
+  border-bottom-color: #000000;
+}
+.tooltip.bottom-left .tooltip-arrow {
+  top: 0;
+  right: 5px;
+  margin-top: -5px;
+  border-width: 0 5px 5px;
+  border-bottom-color: #000000;
+}
+.tooltip.bottom-right .tooltip-arrow {
+  top: 0;
+  left: 5px;
+  margin-top: -5px;
+  border-width: 0 5px 5px;
+  border-bottom-color: #000000;
+}
+.popover {
+  position: absolute;
+  top: 0;
+  left: 0;
+  z-index: 1060;
+  display: none;
+  max-width: 276px;
+  padding: 1px;
+  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
+  font-style: normal;
+  font-weight: normal;
+  letter-spacing: normal;
+  line-break: auto;
+  line-height: 1.42857143;
+  text-align: left;
+  text-align: start;
+  text-decoration: none;
+  text-shadow: none;
+  text-transform: none;
+  white-space: normal;
+  word-break: normal;
+  word-spacing: normal;
+  word-wrap: normal;
+  font-size: 14px;
+  background-color: #2e3338;
+  -webkit-background-clip: padding-box;
+          background-clip: padding-box;
+  border: 1px solid #999999;
+  border: 1px solid rgba(0, 0, 0, 0.2);
+  border-radius: 6px;
+  -webkit-box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
+  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
+}
+.popover.top {
+  margin-top: -10px;
+}
+.popover.right {
+  margin-left: 10px;
+}
+.popover.bottom {
+  margin-top: 10px;
+}
+.popover.left {
+  margin-left: -10px;
+}
+.popover-title {
+  margin: 0;
+  padding: 8px 14px;
+  font-size: 14px;
+  background-color: #2e3338;
+  border-bottom: 1px solid #22262a;
+  border-radius: 5px 5px 0 0;
+}
+.popover-content {
+  padding: 9px 14px;
+}
+.popover > .arrow,
+.popover > .arrow:after {
+  position: absolute;
+  display: block;
+  width: 0;
+  height: 0;
+  border-color: transparent;
+  border-style: solid;
+}
+.popover > .arrow {
+  border-width: 11px;
+}
+.popover > .arrow:after {
+  border-width: 10px;
+  content: "";
+}
+.popover.top > .arrow {
+  left: 50%;
+  margin-left: -11px;
+  border-bottom-width: 0;
+  border-top-color: #666666;
+  border-top-color: rgba(0, 0, 0, 0.25);
+  bottom: -11px;
+}
+.popover.top > .arrow:after {
+  content: " ";
+  bottom: 1px;
+  margin-left: -10px;
+  border-bottom-width: 0;
+  border-top-color: #2e3338;
+}
+.popover.right > .arrow {
+  top: 50%;
+  left: -11px;
+  margin-top: -11px;
+  border-left-width: 0;
+  border-right-color: #666666;
+  border-right-color: rgba(0, 0, 0, 0.25);
+}
+.popover.right > .arrow:after {
+  content: " ";
+  left: 1px;
+  bottom: -10px;
+  border-left-width: 0;
+  border-right-color: #2e3338;
+}
+.popover.bottom > .arrow {
+  left: 50%;
+  margin-left: -11px;
+  border-top-width: 0;
+  border-bottom-color: #666666;
+  border-bottom-color: rgba(0, 0, 0, 0.25);
+  top: -11px;
+}
+.popover.bottom > .arrow:after {
+  content: " ";
+  top: 1px;
+  margin-left: -10px;
+  border-top-width: 0;
+  border-bottom-color: #2e3338;
+}
+.popover.left > .arrow {
+  top: 50%;
+  right: -11px;
+  margin-top: -11px;
+  border-right-width: 0;
+  border-left-color: #666666;
+  border-left-color: rgba(0, 0, 0, 0.25);
+}
+.popover.left > .arrow:after {
+  content: " ";
+  right: 1px;
+  border-right-width: 0;
+  border-left-color: #2e3338;
+  bottom: -10px;
+}
+.carousel {
+  position: relative;
+}
+.carousel-inner {
+  position: relative;
+  overflow: hidden;
+  width: 100%;
+}
+.carousel-inner > .item {
+  display: none;
+  position: relative;
+  -webkit-transition: 0.6s ease-in-out left;
+  -o-transition: 0.6s ease-in-out left;
+  transition: 0.6s ease-in-out left;
+}
+.carousel-inner > .item > img,
+.carousel-inner > .item > a > img {
+  line-height: 1;
+}
+@media all and (transform-3d), (-webkit-transform-3d) {
+  .carousel-inner > .item {
+    -webkit-transition: -webkit-transform 0.6s ease-in-out;
+    -o-transition: -o-transform 0.6s ease-in-out;
+    transition: transform 0.6s ease-in-out;
+    -webkit-backface-visibility: hidden;
+    backface-visibility: hidden;
+    -webkit-perspective: 1000px;
+    perspective: 1000px;
+  }
+  .carousel-inner > .item.next,
+  .carousel-inner > .item.active.right {
+    -webkit-transform: translate3d(100%, 0, 0);
+    transform: translate3d(100%, 0, 0);
+    left: 0;
+  }
+  .carousel-inner > .item.prev,
+  .carousel-inner > .item.active.left {
+    -webkit-transform: translate3d(-100%, 0, 0);
+    transform: translate3d(-100%, 0, 0);
+    left: 0;
+  }
+  .carousel-inner > .item.next.left,
+  .carousel-inner > .item.prev.right,
+  .carousel-inner > .item.active {
+    -webkit-transform: translate3d(0, 0, 0);
+    transform: translate3d(0, 0, 0);
+    left: 0;
+  }
+}
+.carousel-inner > .active,
+.carousel-inner > .next,
+.carousel-inner > .prev {
+  display: block;
+}
+.carousel-inner > .active {
+  left: 0;
+}
+.carousel-inner > .next,
+.carousel-inner > .prev {
+  position: absolute;
+  top: 0;
+  width: 100%;
+}
+.carousel-inner > .next {
+  left: 100%;
+}
+.carousel-inner > .prev {
+  left: -100%;
+}
+.carousel-inner > .next.left,
+.carousel-inner > .prev.right {
+  left: 0;
+}
+.carousel-inner > .active.left {
+  left: -100%;
+}
+.carousel-inner > .active.right {
+  left: 100%;
+}
+.carousel-control {
+  position: absolute;
+  top: 0;
+  left: 0;
+  bottom: 0;
+  width: 15%;
+  opacity: 0.5;
+  filter: alpha(opacity=50);
+  font-size: 20px;
+  color: #ffffff;
+  text-align: center;
+  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
+  background-color: rgba(0, 0, 0, 0);
+}
+.carousel-control.left {
+  background-image: -webkit-linear-gradient(left, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.0001) 100%);
+  background-image: -o-linear-gradient(left, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.0001) 100%);
+  background-image: -webkit-gradient(linear, left top, right top, from(rgba(0, 0, 0, 0.5)), to(rgba(0, 0, 0, 0.0001)));
+  background-image: linear-gradient(to right, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.0001) 100%);
+  background-repeat: repeat-x;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#80000000', endColorstr='#00000000', GradientType=1);
+}
+.carousel-control.right {
+  left: auto;
+  right: 0;
+  background-image: -webkit-linear-gradient(left, rgba(0, 0, 0, 0.0001) 0%, rgba(0, 0, 0, 0.5) 100%);
+  background-image: -o-linear-gradient(left, rgba(0, 0, 0, 0.0001) 0%, rgba(0, 0, 0, 0.5) 100%);
+  background-image: -webkit-gradient(linear, left top, right top, from(rgba(0, 0, 0, 0.0001)), to(rgba(0, 0, 0, 0.5)));
+  background-image: linear-gradient(to right, rgba(0, 0, 0, 0.0001) 0%, rgba(0, 0, 0, 0.5) 100%);
+  background-repeat: repeat-x;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#00000000', endColorstr='#80000000', GradientType=1);
+}
+.carousel-control:hover,
+.carousel-control:focus {
+  outline: 0;
+  color: #ffffff;
+  text-decoration: none;
+  opacity: 0.9;
+  filter: alpha(opacity=90);
+}
+.carousel-control .icon-prev,
+.carousel-control .icon-next,
+.carousel-control .glyphicon-chevron-left,
+.carousel-control .glyphicon-chevron-right {
+  position: absolute;
+  top: 50%;
+  margin-top: -10px;
+  z-index: 5;
+  display: inline-block;
+}
+.carousel-control .icon-prev,
+.carousel-control .glyphicon-chevron-left {
+  left: 50%;
+  margin-left: -10px;
+}
+.carousel-control .icon-next,
+.carousel-control .glyphicon-chevron-right {
+  right: 50%;
+  margin-right: -10px;
+}
+.carousel-control .icon-prev,
+.carousel-control .icon-next {
+  width: 20px;
+  height: 20px;
+  line-height: 1;
+  font-family: serif;
+}
+.carousel-control .icon-prev:before {
+  content: '\2039';
+}
+.carousel-control .icon-next:before {
+  content: '\203a';
+}
+.carousel-indicators {
+  position: absolute;
+  bottom: 10px;
+  left: 50%;
+  z-index: 15;
+  width: 60%;
+  margin-left: -30%;
+  padding-left: 0;
+  list-style: none;
+  text-align: center;
+}
+.carousel-indicators li {
+  display: inline-block;
+  width: 10px;
+  height: 10px;
+  margin: 1px;
+  text-indent: -999px;
+  border: 1px solid #ffffff;
+  border-radius: 10px;
+  cursor: pointer;
+  background-color: #000 \9;
+  background-color: rgba(0, 0, 0, 0);
+}
+.carousel-indicators .active {
+  margin: 0;
+  width: 12px;
+  height: 12px;
+  background-color: #ffffff;
+}
+.carousel-caption {
+  position: absolute;
+  left: 15%;
+  right: 15%;
+  bottom: 20px;
+  z-index: 10;
+  padding-top: 20px;
+  padding-bottom: 20px;
+  color: #ffffff;
+  text-align: center;
+  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
+}
+.carousel-caption .btn {
+  text-shadow: none;
+}
+@media screen and (min-width: 768px) {
+  .carousel-control .glyphicon-chevron-left,
+  .carousel-control .glyphicon-chevron-right,
+  .carousel-control .icon-prev,
+  .carousel-control .icon-next {
+    width: 30px;
+    height: 30px;
+    margin-top: -10px;
+    font-size: 30px;
+  }
+  .carousel-control .glyphicon-chevron-left,
+  .carousel-control .icon-prev {
+    margin-left: -10px;
+  }
+  .carousel-control .glyphicon-chevron-right,
+  .carousel-control .icon-next {
+    margin-right: -10px;
+  }
+  .carousel-caption {
+    left: 20%;
+    right: 20%;
+    padding-bottom: 30px;
+  }
+  .carousel-indicators {
+    bottom: 20px;
+  }
+}
+.clearfix:before,
+.clearfix:after,
+.dl-horizontal dd:before,
+.dl-horizontal dd:after,
+.container:before,
+.container:after,
+.container-fluid:before,
+.container-fluid:after,
+.row:before,
+.row:after,
+.form-horizontal .form-group:before,
+.form-horizontal .form-group:after,
+.btn-toolbar:before,
+.btn-toolbar:after,
+.btn-group-vertical > .btn-group:before,
+.btn-group-vertical > .btn-group:after,
+.nav:before,
+.nav:after,
+.navbar:before,
+.navbar:after,
+.navbar-header:before,
+.navbar-header:after,
+.navbar-collapse:before,
+.navbar-collapse:after,
+.pager:before,
+.pager:after,
+.panel-body:before,
+.panel-body:after,
+.modal-header:before,
+.modal-header:after,
+.modal-footer:before,
+.modal-footer:after {
+  content: " ";
+  display: table;
+}
+.clearfix:after,
+.dl-horizontal dd:after,
+.container:after,
+.container-fluid:after,
+.row:after,
+.form-horizontal .form-group:after,
+.btn-toolbar:after,
+.btn-group-vertical > .btn-group:after,
+.nav:after,
+.navbar:after,
+.navbar-header:after,
+.navbar-collapse:after,
+.pager:after,
+.panel-body:after,
+.modal-header:after,
+.modal-footer:after {
+  clear: both;
+}
+.center-block {
+  display: block;
+  margin-left: auto;
+  margin-right: auto;
+}
+.pull-right {
+  float: right !important;
+}
+.pull-left {
+  float: left !important;
+}
+.hide {
+  display: none !important;
+}
+.show {
+  display: block !important;
+}
+.invisible {
+  visibility: hidden;
+}
+.text-hide {
+  font: 0/0 a;
+  color: transparent;
+  text-shadow: none;
+  background-color: transparent;
+  border: 0;
+}
+.hidden {
+  display: none !important;
+}
+.affix {
+  position: fixed;
+}
+@-ms-viewport {
+  width: device-width;
+}
+.visible-xs,
+.visible-sm,
+.visible-md,
+.visible-lg {
+  display: none !important;
+}
+.visible-xs-block,
+.visible-xs-inline,
+.visible-xs-inline-block,
+.visible-sm-block,
+.visible-sm-inline,
+.visible-sm-inline-block,
+.visible-md-block,
+.visible-md-inline,
+.visible-md-inline-block,
+.visible-lg-block,
+.visible-lg-inline,
+.visible-lg-inline-block {
+  display: none !important;
+}
+@media (max-width: 767px) {
+  .visible-xs {
+    display: block !important;
+  }
+  table.visible-xs {
+    display: table !important;
+  }
+  tr.visible-xs {
+    display: table-row !important;
+  }
+  th.visible-xs,
+  td.visible-xs {
+    display: table-cell !important;
+  }
+}
+@media (max-width: 767px) {
+  .visible-xs-block {
+    display: block !important;
+  }
+}
+@media (max-width: 767px) {
+  .visible-xs-inline {
+    display: inline !important;
+  }
+}
+@media (max-width: 767px) {
+  .visible-xs-inline-block {
+    display: inline-block !important;
+  }
+}
+@media (min-width: 768px) and (max-width: 991px) {
+  .visible-sm {
+    display: block !important;
+  }
+  table.visible-sm {
+    display: table !important;
+  }
+  tr.visible-sm {
+    display: table-row !important;
+  }
+  th.visible-sm,
+  td.visible-sm {
+    display: table-cell !important;
+  }
+}
+@media (min-width: 768px) and (max-width: 991px) {
+  .visible-sm-block {
+    display: block !important;
+  }
+}
+@media (min-width: 768px) and (max-width: 991px) {
+  .visible-sm-inline {
+    display: inline !important;
+  }
+}
+@media (min-width: 768px) and (max-width: 991px) {
+  .visible-sm-inline-block {
+    display: inline-block !important;
+  }
+}
+@media (min-width: 992px) and (max-width: 1199px) {
+  .visible-md {
+    display: block !important;
+  }
+  table.visible-md {
+    display: table !important;
+  }
+  tr.visible-md {
+    display: table-row !important;
+  }
+  th.visible-md,
+  td.visible-md {
+    display: table-cell !important;
+  }
+}
+@media (min-width: 992px) and (max-width: 1199px) {
+  .visible-md-block {
+    display: block !important;
+  }
+}
+@media (min-width: 992px) and (max-width: 1199px) {
+  .visible-md-inline {
+    display: inline !important;
+  }
+}
+@media (min-width: 992px) and (max-width: 1199px) {
+  .visible-md-inline-block {
+    display: inline-block !important;
+  }
+}
+@media (min-width: 1200px) {
+  .visible-lg {
+    display: block !important;
+  }
+  table.visible-lg {
+    display: table !important;
+  }
+  tr.visible-lg {
+    display: table-row !important;
+  }
+  th.visible-lg,
+  td.visible-lg {
+    display: table-cell !important;
+  }
+}
+@media (min-width: 1200px) {
+  .visible-lg-block {
+    display: block !important;
+  }
+}
+@media (min-width: 1200px) {
+  .visible-lg-inline {
+    display: inline !important;
+  }
+}
+@media (min-width: 1200px) {
+  .visible-lg-inline-block {
+    display: inline-block !important;
+  }
+}
+@media (max-width: 767px) {
+  .hidden-xs {
+    display: none !important;
+  }
+}
+@media (min-width: 768px) and (max-width: 991px) {
+  .hidden-sm {
+    display: none !important;
+  }
+}
+@media (min-width: 992px) and (max-width: 1199px) {
+  .hidden-md {
+    display: none !important;
+  }
+}
+@media (min-width: 1200px) {
+  .hidden-lg {
+    display: none !important;
+  }
+}
+.visible-print {
+  display: none !important;
+}
+@media print {
+  .visible-print {
+    display: block !important;
+  }
+  table.visible-print {
+    display: table !important;
+  }
+  tr.visible-print {
+    display: table-row !important;
+  }
+  th.visible-print,
+  td.visible-print {
+    display: table-cell !important;
+  }
+}
+.visible-print-block {
+  display: none !important;
+}
+@media print {
+  .visible-print-block {
+    display: block !important;
+  }
+}
+.visible-print-inline {
+  display: none !important;
+}
+@media print {
+  .visible-print-inline {
+    display: inline !important;
+  }
+}
+.visible-print-inline-block {
+  display: none !important;
+}
+@media print {
+  .visible-print-inline-block {
+    display: inline-block !important;
+  }
+}
+@media print {
+  .hidden-print {
+    display: none !important;
+  }
+}
+.navbar {
+  background-image: -webkit-linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-image: -o-linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#484e55), color-stop(60%, #3a3f44), to(#313539));
+  background-image: linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff484e55', endColorstr='#ff313539', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+  border: 1px solid rgba(0, 0, 0, 0.6);
+  text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.3);
+}
+.navbar .navbar-nav > li > a {
+  border-right: 1px solid rgba(0, 0, 0, 0.2);
+  border-left: 1px solid rgba(255, 255, 255, 0.1);
+}
+.navbar .navbar-nav > li > a:hover {
+  background-image: -webkit-linear-gradient(#020202, #101112 40%, #141618);
+  background-image: -o-linear-gradient(#020202, #101112 40%, #141618);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#020202), color-stop(40%, #101112), to(#141618));
+  background-image: linear-gradient(#020202, #101112 40%, #141618);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff020202', endColorstr='#ff141618', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+  border-left-color: transparent;
+}
+.navbar-inverse {
+  background-image: -webkit-linear-gradient(#8a9196, #7a8288 60%, #70787d);
+  background-image: -o-linear-gradient(#8a9196, #7a8288 60%, #70787d);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#8a9196), color-stop(60%, #7a8288), to(#70787d));
+  background-image: linear-gradient(#8a9196, #7a8288 60%, #70787d);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff8a9196', endColorstr='#ff70787d', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+}
+.navbar-inverse .badge {
+  background-color: #5d6368;
+}
+.navbar-inverse .navbar-nav > li > a:hover {
+  background-image: -webkit-linear-gradient(#404448, #4e5458 40%, #53595d);
+  background-image: -o-linear-gradient(#404448, #4e5458 40%, #53595d);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#404448), color-stop(40%, #4e5458), to(#53595d));
+  background-image: linear-gradient(#404448, #4e5458 40%, #53595d);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff404448', endColorstr='#ff53595d', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+}
+.navbar .nav .open > a {
+  border-color: transparent;
+}
+.navbar-nav > li.active > a {
+  border-left-color: transparent;
+}
+.navbar-form {
+  margin-left: 5px;
+  margin-right: 5px;
+}
+.btn,
+.btn:hover {
+  border-color: rgba(0, 0, 0, 0.6);
+  text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.3);
+}
+.btn-default {
+  background-image: -webkit-linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-image: -o-linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#484e55), color-stop(60%, #3a3f44), to(#313539));
+  background-image: linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff484e55', endColorstr='#ff313539', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+}
+.btn-default:hover {
+  background-image: -webkit-linear-gradient(#020202, #101112 40%, #141618);
+  background-image: -o-linear-gradient(#020202, #101112 40%, #141618);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#020202), color-stop(40%, #101112), to(#141618));
+  background-image: linear-gradient(#020202, #101112 40%, #141618);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff020202', endColorstr='#ff141618', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+}
+.btn-primary {
+  background-image: -webkit-linear-gradient(#8a9196, #7a8288 60%, #70787d);
+  background-image: -o-linear-gradient(#8a9196, #7a8288 60%, #70787d);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#8a9196), color-stop(60%, #7a8288), to(#70787d));
+  background-image: linear-gradient(#8a9196, #7a8288 60%, #70787d);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff8a9196', endColorstr='#ff70787d', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+}
+.btn-primary:hover {
+  background-image: -webkit-linear-gradient(#404448, #4e5458 40%, #53595d);
+  background-image: -o-linear-gradient(#404448, #4e5458 40%, #53595d);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#404448), color-stop(40%, #4e5458), to(#53595d));
+  background-image: linear-gradient(#404448, #4e5458 40%, #53595d);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff404448', endColorstr='#ff53595d', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+}
+.btn-success {
+  background-image: -webkit-linear-gradient(#78cc78, #62c462 60%, #53be53);
+  background-image: -o-linear-gradient(#78cc78, #62c462 60%, #53be53);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#78cc78), color-stop(60%, #62c462), to(#53be53));
+  background-image: linear-gradient(#78cc78, #62c462 60%, #53be53);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff78cc78', endColorstr='#ff53be53', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+}
+.btn-success:hover {
+  background-image: -webkit-linear-gradient(#2f7d2f, #379337 40%, #3a9a3a);
+  background-image: -o-linear-gradient(#2f7d2f, #379337 40%, #3a9a3a);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#2f7d2f), color-stop(40%, #379337), to(#3a9a3a));
+  background-image: linear-gradient(#2f7d2f, #379337 40%, #3a9a3a);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff2f7d2f', endColorstr='#ff3a9a3a', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+}
+.btn-info {
+  background-image: -webkit-linear-gradient(#74cae3, #5bc0de 60%, #4ab9db);
+  background-image: -o-linear-gradient(#74cae3, #5bc0de 60%, #4ab9db);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#74cae3), color-stop(60%, #5bc0de), to(#4ab9db));
+  background-image: linear-gradient(#74cae3, #5bc0de 60%, #4ab9db);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff74cae3', endColorstr='#ff4ab9db', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+}
+.btn-info:hover {
+  background-image: -webkit-linear-gradient(#20829f, #2596b8 40%, #279dc1);
+  background-image: -o-linear-gradient(#20829f, #2596b8 40%, #279dc1);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#20829f), color-stop(40%, #2596b8), to(#279dc1));
+  background-image: linear-gradient(#20829f, #2596b8 40%, #279dc1);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff20829f', endColorstr='#ff279dc1', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+}
+.btn-warning {
+  background-image: -webkit-linear-gradient(#faa123, #f89406 60%, #e48806);
+  background-image: -o-linear-gradient(#faa123, #f89406 60%, #e48806);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#faa123), color-stop(60%, #f89406), to(#e48806));
+  background-image: linear-gradient(#faa123, #f89406 60%, #e48806);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#fffaa123', endColorstr='#ffe48806', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+}
+.btn-warning:hover {
+  background-image: -webkit-linear-gradient(#804d03, #9e5f04 40%, #a86404);
+  background-image: -o-linear-gradient(#804d03, #9e5f04 40%, #a86404);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#804d03), color-stop(40%, #9e5f04), to(#a86404));
+  background-image: linear-gradient(#804d03, #9e5f04 40%, #a86404);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff804d03', endColorstr='#ffa86404', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+}
+.btn-danger {
+  background-image: -webkit-linear-gradient(#f17a77, #ee5f5b 60%, #ec4d49);
+  background-image: -o-linear-gradient(#f17a77, #ee5f5b 60%, #ec4d49);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#f17a77), color-stop(60%, #ee5f5b), to(#ec4d49));
+  background-image: linear-gradient(#f17a77, #ee5f5b 60%, #ec4d49);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#fff17a77', endColorstr='#ffec4d49', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+}
+.btn-danger:hover {
+  background-image: -webkit-linear-gradient(#bb1813, #d71c16 40%, #e01d17);
+  background-image: -o-linear-gradient(#bb1813, #d71c16 40%, #e01d17);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#bb1813), color-stop(40%, #d71c16), to(#e01d17));
+  background-image: linear-gradient(#bb1813, #d71c16 40%, #e01d17);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffbb1813', endColorstr='#ffe01d17', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+}
+.btn-link,
+.btn-link:hover {
+  border-color: transparent;
+}
+h1,
+h2,
+h3,
+h4,
+h5,
+h6 {
+  text-shadow: -1px -1px 0 rgba(0, 0, 0, 0.3);
+}
+.text-primary,
+.text-primary:hover {
+  color: #7a8288;
+}
+.text-success,
+.text-success:hover {
+  color: #62c462;
+}
+.text-danger,
+.text-danger:hover {
+  color: #ee5f5b;
+}
+.text-warning,
+.text-warning:hover {
+  color: #f89406;
+}
+.text-info,
+.text-info:hover {
+  color: #5bc0de;
+}
+.table .success,
+.table .warning,
+.table .danger,
+.table .info {
+  color: #fff;
+}
+.table-bordered tbody tr.success td,
+.table-bordered tbody tr.warning td,
+.table-bordered tbody tr.danger td,
+.table-bordered tbody tr.success:hover td,
+.table-bordered tbody tr.warning:hover td,
+.table-bordered tbody tr.danger:hover td {
+  border-color: #1c1e22;
+}
+.table-responsive > .table {
+  background-color: #2e3338;
+}
+input,
+textarea {
+  color: #272b30;
+}
+.has-warning .help-block,
+.has-warning .control-label,
+.has-warning .radio,
+.has-warning .checkbox,
+.has-warning .radio-inline,
+.has-warning .checkbox-inline,
+.has-warning.radio label,
+.has-warning.checkbox label,
+.has-warning.radio-inline label,
+.has-warning.checkbox-inline label,
+.has-warning .form-control-feedback {
+  color: #f89406;
+}
+.has-warning .form-control,
+.has-warning .form-control:focus {
+  border-color: #f89406;
+}
+.has-warning .input-group-addon {
+  background-color: #3a3f44;
+  border-color: rgba(0, 0, 0, 0.6);
+}
+.has-error .help-block,
+.has-error .control-label,
+.has-error .radio,
+.has-error .checkbox,
+.has-error .radio-inline,
+.has-error .checkbox-inline,
+.has-error.radio label,
+.has-error.checkbox label,
+.has-error.radio-inline label,
+.has-error.checkbox-inline label,
+.has-error .form-control-feedback {
+  color: #ee5f5b;
+}
+.has-error .form-control,
+.has-error .form-control:focus {
+  border-color: #ee5f5b;
+}
+.has-error .input-group-addon {
+  background-color: #3a3f44;
+  border-color: rgba(0, 0, 0, 0.6);
+}
+.has-success .help-block,
+.has-success .control-label,
+.has-success .radio,
+.has-success .checkbox,
+.has-success .radio-inline,
+.has-success .checkbox-inline,
+.has-success.radio label,
+.has-success.checkbox label,
+.has-success.radio-inline label,
+.has-success.checkbox-inline label,
+.has-success .form-control-feedback {
+  color: #62c462;
+}
+.has-success .form-control,
+.has-success .form-control:focus {
+  border-color: #62c462;
+}
+.has-success .input-group-addon {
+  background-color: #3a3f44;
+  border-color: rgba(0, 0, 0, 0.6);
+}
+legend {
+  color: #fff;
+}
+.input-group-addon {
+  background-color: #3a3f44;
+  background-image: -webkit-linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-image: -o-linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#484e55), color-stop(60%, #3a3f44), to(#313539));
+  background-image: linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff484e55', endColorstr='#ff313539', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+  text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.3);
+  color: #ffffff;
+}
+.nav .open > a,
+.nav .open > a:hover,
+.nav .open > a:focus {
+  border-color: rgba(0, 0, 0, 0.6);
+}
+.nav-pills > li > a {
+  background-image: -webkit-linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-image: -o-linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#484e55), color-stop(60%, #3a3f44), to(#313539));
+  background-image: linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff484e55', endColorstr='#ff313539', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+  border: 1px solid rgba(0, 0, 0, 0.6);
+  text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.3);
+}
+.nav-pills > li > a:hover {
+  background-image: -webkit-linear-gradient(#020202, #101112 40%, #141618);
+  background-image: -o-linear-gradient(#020202, #101112 40%, #141618);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#020202), color-stop(40%, #101112), to(#141618));
+  background-image: linear-gradient(#020202, #101112 40%, #141618);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff020202', endColorstr='#ff141618', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+  border: 1px solid rgba(0, 0, 0, 0.6);
+}
+.nav-pills > li.active > a,
+.nav-pills > li.active > a:hover {
+  background-color: none;
+  background-image: -webkit-linear-gradient(#020202, #101112 40%, #141618);
+  background-image: -o-linear-gradient(#020202, #101112 40%, #141618);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#020202), color-stop(40%, #101112), to(#141618));
+  background-image: linear-gradient(#020202, #101112 40%, #141618);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff020202', endColorstr='#ff141618', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+  border: 1px solid rgba(0, 0, 0, 0.6);
+}
+.nav-pills > li.disabled > a,
+.nav-pills > li.disabled > a:hover {
+  background-image: -webkit-linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-image: -o-linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#484e55), color-stop(60%, #3a3f44), to(#313539));
+  background-image: linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff484e55', endColorstr='#ff313539', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+}
+.pagination > li > a,
+.pagination > li > span {
+  text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.3);
+  background-image: -webkit-linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-image: -o-linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#484e55), color-stop(60%, #3a3f44), to(#313539));
+  background-image: linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff484e55', endColorstr='#ff313539', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+}
+.pagination > li > a:hover,
+.pagination > li > span:hover {
+  background-image: -webkit-linear-gradient(#020202, #101112 40%, #141618);
+  background-image: -o-linear-gradient(#020202, #101112 40%, #141618);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#020202), color-stop(40%, #101112), to(#141618));
+  background-image: linear-gradient(#020202, #101112 40%, #141618);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff020202', endColorstr='#ff141618', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+}
+.pagination > li.active > a,
+.pagination > li.active > span {
+  background-image: -webkit-linear-gradient(#020202, #101112 40%, #141618);
+  background-image: -o-linear-gradient(#020202, #101112 40%, #141618);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#020202), color-stop(40%, #101112), to(#141618));
+  background-image: linear-gradient(#020202, #101112 40%, #141618);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff020202', endColorstr='#ff141618', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+}
+.pagination > li.disabled > a,
+.pagination > li.disabled > a:hover,
+.pagination > li.disabled > span,
+.pagination > li.disabled > span:hover {
+  background-color: transparent;
+  background-image: -webkit-linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-image: -o-linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#484e55), color-stop(60%, #3a3f44), to(#313539));
+  background-image: linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff484e55', endColorstr='#ff313539', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+}
+.pager > li > a {
+  background-image: -webkit-linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-image: -o-linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#484e55), color-stop(60%, #3a3f44), to(#313539));
+  background-image: linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff484e55', endColorstr='#ff313539', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+  text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.3);
+}
+.pager > li > a:hover {
+  background-image: -webkit-linear-gradient(#020202, #101112 40%, #141618);
+  background-image: -o-linear-gradient(#020202, #101112 40%, #141618);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#020202), color-stop(40%, #101112), to(#141618));
+  background-image: linear-gradient(#020202, #101112 40%, #141618);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff020202', endColorstr='#ff141618', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+}
+.pager > li.disabled > a,
+.pager > li.disabled > a:hover {
+  background-color: transparent;
+  background-image: -webkit-linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-image: -o-linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#484e55), color-stop(60%, #3a3f44), to(#313539));
+  background-image: linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff484e55', endColorstr='#ff313539', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+}
+.breadcrumb {
+  border: 1px solid rgba(0, 0, 0, 0.6);
+  text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.3);
+  background-image: -webkit-linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-image: -o-linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-image: -webkit-gradient(linear, left top, left bottom, from(#484e55), color-stop(60%, #3a3f44), to(#313539));
+  background-image: linear-gradient(#484e55, #3a3f44 60%, #313539);
+  background-repeat: no-repeat;
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff484e55', endColorstr='#ff313539', GradientType=0);
+  -webkit-filter: none;
+          filter: none;
+}
+.alert .alert-link,
+.alert a {
+  color: #fff;
+  text-decoration: underline;
+}
+.alert .close {
+  color: #000000;
+  text-decoration: none;
+}
+a.thumbnail:hover,
+a.thumbnail:focus,
+a.thumbnail.active {
+  border-color: #0c0d0e;
+}
+a.list-group-item.active,
+a.list-group-item.active:hover,
+a.list-group-item.active:focus {
+  border-color: rgba(0, 0, 0, 0.6);
+}
+a.list-group-item-success.active {
+  background-color: #62c462;
+}
+a.list-group-item-success.active:hover,
+a.list-group-item-success.active:focus {
+  background-color: #4fbd4f;
+}
+a.list-group-item-warning.active {
+  background-color: #f89406;
+}
+a.list-group-item-warning.active:hover,
+a.list-group-item-warning.active:focus {
+  background-color: #df8505;
+}
+a.list-group-item-danger.active {
+  background-color: #ee5f5b;
+}
+a.list-group-item-danger.active:hover,
+a.list-group-item-danger.active:focus {
+  background-color: #ec4844;
+}
+.jumbotron {
+  border: 1px solid rgba(0, 0, 0, 0.6);
+}
+.panel-primary .panel-heading,
+.panel-success .panel-heading,
+.panel-danger .panel-heading,
+.panel-warning .panel-heading,
+.panel-info .panel-heading {
+  border-color: #000;
+}
diff --git a/debian/missing-sources/c3.css b/debian/missing-sources/c3.css
new file mode 100644
index 000000000..5de1edfae
--- /dev/null
+++ b/debian/missing-sources/c3.css
@@ -0,0 +1,163 @@
+/*-- Chart --*/
+.c3 svg {
+  font: 10px sans-serif;
+  -webkit-tap-highlight-color: rgba(0, 0, 0, 0); }
+
+.c3 path, .c3 line {
+  fill: none;
+  stroke: #000; }
+
+.c3 text {
+  -webkit-user-select: none;
+  -moz-user-select: none;
+  user-select: none; }
+
+.c3-legend-item-tile, .c3-xgrid-focus, .c3-ygrid, .c3-event-rect, .c3-bars path {
+  shape-rendering: crispEdges; }
+
+.c3-chart-arc path {
+  stroke: #fff; }
+
+.c3-chart-arc text {
+  fill: #fff;
+  font-size: 13px; }
+
+/*-- Axis --*/
+/*-- Grid --*/
+.c3-grid line {
+  stroke: #aaa; }
+
+.c3-grid text {
+  fill: #aaa; }
+
+.c3-xgrid, .c3-ygrid {
+  stroke-dasharray: 3 3; }
+
+/*-- Text on Chart --*/
+.c3-text.c3-empty {
+  fill: #808080;
+  font-size: 2em; }
+
+/*-- Line --*/
+.c3-line {
+  stroke-width: 1px; }
+
+/*-- Point --*/
+.c3-circle._expanded_ {
+  stroke-width: 1px;
+  stroke: white; }
+
+.c3-selected-circle {
+  fill: white;
+  stroke-width: 2px; }
+
+/*-- Bar --*/
+.c3-bar {
+  stroke-width: 0; }
+
+.c3-bar._expanded_ {
+  fill-opacity: 0.75; }
+
+/*-- Focus --*/
+.c3-target.c3-focused {
+  opacity: 1; }
+
+.c3-target.c3-focused path.c3-line, .c3-target.c3-focused path.c3-step {
+  stroke-width: 2px; }
+
+.c3-target.c3-defocused {
+  opacity: 0.3 !important; }
+
+/*-- Region --*/
+.c3-region {
+  fill: steelblue;
+  fill-opacity: 0.1; }
+
+/*-- Brush --*/
+.c3-brush .extent {
+  fill-opacity: 0.1; }
+
+/*-- Select - Drag --*/
+/*-- Legend --*/
+.c3-legend-item {
+  font-size: 12px; }
+
+.c3-legend-item-hidden {
+  opacity: 0.15; }
+
+.c3-legend-background {
+  opacity: 0.75;
+  fill: white;
+  stroke: lightgray;
+  stroke-width: 1; }
+
+/*-- Title --*/
+.c3-title {
+  font: 14px sans-serif; }
+
+/*-- Tooltip --*/
+.c3-tooltip-container {
+  z-index: 10; }
+
+.c3-tooltip {
+  border-collapse: collapse;
+  border-spacing: 0;
+  background-color: #fff;
+  empty-cells: show;
+  -webkit-box-shadow: 7px 7px 12px -9px #777777;
+  -moz-box-shadow: 7px 7px 12px -9px #777777;
+  box-shadow: 7px 7px 12px -9px #777777;
+  opacity: 0.9; }
+
+.c3-tooltip tr {
+  border: 1px solid #CCC; }
+
+.c3-tooltip th {
+  background-color: #aaa;
+  font-size: 14px;
+  padding: 2px 5px;
+  text-align: left;
+  color: #FFF; }
+
+.c3-tooltip td {
+  font-size: 13px;
+  padding: 3px 6px;
+  background-color: #fff;
+  border-left: 1px dotted #999; }
+
+.c3-tooltip td > span {
+  display: inline-block;
+  width: 10px;
+  height: 10px;
+  margin-right: 6px; }
+
+.c3-tooltip td.value {
+  text-align: right; }
+
+/*-- Area --*/
+.c3-area {
+  stroke-width: 0;
+  opacity: 0.2; }
+
+/*-- Arc --*/
+.c3-chart-arcs-title {
+  dominant-baseline: middle;
+  font-size: 1.3em; }
+
+.c3-chart-arcs .c3-chart-arcs-background {
+  fill: #e0e0e0;
+  stroke: none; }
+
+.c3-chart-arcs .c3-chart-arcs-gauge-unit {
+  fill: #000;
+  font-size: 16px; }
+
+.c3-chart-arcs .c3-chart-arcs-gauge-max {
+  fill: #777; }
+
+.c3-chart-arcs .c3-chart-arcs-gauge-min {
+  fill: #777; }
+
+.c3-chart-arc .c3-gauge-value {
+  fill: #000;
+  /*  font-size: 28px !important;*/ }
diff --git a/debian/missing-sources/c3.js b/debian/missing-sources/c3.js
new file mode 100644
index 000000000..aca979c05
--- /dev/null
+++ b/debian/missing-sources/c3.js
@@ -0,0 +1,7315 @@
+(function (window) {
+    'use strict';
+
+    /*global define, module, exports, require */
+
+    var c3 = { version: "0.4.11-rc4" };
+
+    var c3_chart_fn,
+        c3_chart_internal_fn,
+        c3_chart_internal_axis_fn;
+
+    function API(owner) {
+        this.owner = owner;
+    }
+
+    function inherit(base, derived) {
+
+        if (Object.create) {
+            derived.prototype = Object.create(base.prototype);
+        } else {
+            var f = function f() {};
+            f.prototype = base.prototype;
+            derived.prototype = new f();
+        }
+
+        derived.prototype.constructor = derived;
+
+        return derived;
+    }
+
+    function Chart(config) {
+        var $$ = this.internal = new ChartInternal(this);
+        $$.loadConfig(config);
+
+        $$.beforeInit(config);
+        $$.init();
+        $$.afterInit(config);
+
+        // bind "this" to nested API
+        (function bindThis(fn, target, argThis) {
+            Object.keys(fn).forEach(function (key) {
+                target[key] = fn[key].bind(argThis);
+                if (Object.keys(fn[key]).length > 0) {
+                    bindThis(fn[key], target[key], argThis);
+                }
+            });
+        })(c3_chart_fn, this, this);
+    }
+
+    function ChartInternal(api) {
+        var $$ = this;
+        $$.d3 = window.d3 ? window.d3 : typeof require !== 'undefined' ? require("d3") : undefined;
+        $$.api = api;
+        $$.config = $$.getDefaultConfig();
+        $$.data = {};
+        $$.cache = {};
+        $$.axes = {};
+    }
+
+    c3.generate = function (config) {
+        return new Chart(config);
+    };
+
+    c3.chart = {
+        fn: Chart.prototype,
+        internal: {
+            fn: ChartInternal.prototype,
+            axis: {
+                fn: Axis.prototype
+            }
+        }
+    };
+    c3_chart_fn = c3.chart.fn;
+    c3_chart_internal_fn = c3.chart.internal.fn;
+    c3_chart_internal_axis_fn = c3.chart.internal.axis.fn;
+
+    c3_chart_internal_fn.beforeInit = function () {
+        // can do something
+    };
+    c3_chart_internal_fn.afterInit = function () {
+        // can do something
+    };
+    c3_chart_internal_fn.init = function () {
+        var $$ = this, config = $$.config;
+
+        $$.initParams();
+
+        if (config.data_url) {
+            $$.convertUrlToData(config.data_url, config.data_mimeType, config.data_keys, $$.initWithData);
+        }
+        else if (config.data_json) {
+            $$.initWithData($$.convertJsonToData(config.data_json, config.data_keys));
+        }
+        else if (config.data_rows) {
+            $$.initWithData($$.convertRowsToData(config.data_rows));
+        }
+        else if (config.data_columns) {
+            $$.initWithData($$.convertColumnsToData(config.data_columns));
+        }
+        else {
+            throw Error('url or json or rows or columns is required.');
+        }
+    };
+
+    c3_chart_internal_fn.initParams = function () {
+        var $$ = this, d3 = $$.d3, config = $$.config;
+
+        // MEMO: clipId needs to be unique because it conflicts when multiple charts exist
+        $$.clipId = "c3-" + (+new Date()) + '-clip',
+        $$.clipIdForXAxis = $$.clipId + '-xaxis',
+        $$.clipIdForYAxis = $$.clipId + '-yaxis',
+        $$.clipIdForGrid = $$.clipId + '-grid',
+        $$.clipIdForSubchart = $$.clipId + '-subchart',
+        $$.clipPath = $$.getClipPath($$.clipId),
+        $$.clipPathForXAxis = $$.getClipPath($$.clipIdForXAxis),
+        $$.clipPathForYAxis = $$.getClipPath($$.clipIdForYAxis);
+        $$.clipPathForGrid = $$.getClipPath($$.clipIdForGrid),
+        $$.clipPathForSubchart = $$.getClipPath($$.clipIdForSubchart),
+
+        $$.dragStart = null;
+        $$.dragging = false;
+        $$.flowing = false;
+        $$.cancelClick = false;
+        $$.mouseover = false;
+        $$.transiting = false;
+
+        $$.color = $$.generateColor();
+        $$.levelColor = $$.generateLevelColor();
+
+        $$.dataTimeFormat = config.data_xLocaltime ? d3.time.format : d3.time.format.utc;
+        $$.axisTimeFormat = config.axis_x_localtime ? d3.time.format : d3.time.format.utc;
+        $$.defaultAxisTimeFormat = $$.axisTimeFormat.multi([
+            [".%L", function (d) { return d.getMilliseconds(); }],
+            [":%S", function (d) { return d.getSeconds(); }],
+            ["%I:%M", function (d) { return d.getMinutes(); }],
+            ["%I %p", function (d) { return d.getHours(); }],
+            ["%-m/%-d", function (d) { return d.getDay() && d.getDate() !== 1; }],
+            ["%-m/%-d", function (d) { return d.getDate() !== 1; }],
+            ["%-m/%-d", function (d) { return d.getMonth(); }],
+            ["%Y/%-m/%-d", function () { return true; }]
+        ]);
+
+        $$.hiddenTargetIds = [];
+        $$.hiddenLegendIds = [];
+        $$.focusedTargetIds = [];
+        $$.defocusedTargetIds = [];
+
+        $$.xOrient = config.axis_rotated ? "left" : "bottom";
+        $$.yOrient = config.axis_rotated ? (config.axis_y_inner ? "top" : "bottom") : (config.axis_y_inner ? "right" : "left");
+        $$.y2Orient = config.axis_rotated ? (config.axis_y2_inner ? "bottom" : "top") : (config.axis_y2_inner ? "left" : "right");
+        $$.subXOrient = config.axis_rotated ? "left" : "bottom";
+
+        $$.isLegendRight = config.legend_position === 'right';
+        $$.isLegendInset = config.legend_position === 'inset';
+        $$.isLegendTop = config.legend_inset_anchor === 'top-left' || config.legend_inset_anchor === 'top-right';
+        $$.isLegendLeft = config.legend_inset_anchor === 'top-left' || config.legend_inset_anchor === 'bottom-left';
+        $$.legendStep = 0;
+        $$.legendItemWidth = 0;
+        $$.legendItemHeight = 0;
+
+        $$.currentMaxTickWidths = {
+            x: 0,
+            y: 0,
+            y2: 0
+        };
+
+        $$.rotated_padding_left = 30;
+        $$.rotated_padding_right = config.axis_rotated && !config.axis_x_show ? 0 : 30;
+        $$.rotated_padding_top = 5;
+
+        $$.withoutFadeIn = {};
+
+        $$.intervalForObserveInserted = undefined;
+
+        $$.axes.subx = d3.selectAll([]); // needs when excluding subchart.js
+    };
+
+    c3_chart_internal_fn.initChartElements = function () {
+        if (this.initBar) { this.initBar(); }
+        if (this.initLine) { this.initLine(); }
+        if (this.initArc) { this.initArc(); }
+        if (this.initGauge) { this.initGauge(); }
+        if (this.initText) { this.initText(); }
+    };
+
+    c3_chart_internal_fn.initWithData = function (data) {
+        var $$ = this, d3 = $$.d3, config = $$.config;
+        var defs, main, binding = true;
+
+        $$.axis = new Axis($$);
+
+        if ($$.initPie) { $$.initPie(); }
+        if ($$.initBrush) { $$.initBrush(); }
+        if ($$.initZoom) { $$.initZoom(); }
+
+        if (!config.bindto) {
+            $$.selectChart = d3.selectAll([]);
+        }
+        else if (typeof config.bindto.node === 'function') {
+            $$.selectChart = config.bindto;
+        }
+        else {
+            $$.selectChart = d3.select(config.bindto);
+        }
+        if ($$.selectChart.empty()) {
+            $$.selectChart = d3.select(document.createElement('div')).style('opacity', 0);
+            $$.observeInserted($$.selectChart);
+            binding = false;
+        }
+        $$.selectChart.html("").classed("c3", true);
+
+        // Init data as targets
+        $$.data.xs = {};
+        $$.data.targets = $$.convertDataToTargets(data);
+
+        if (config.data_filter) {
+            $$.data.targets = $$.data.targets.filter(config.data_filter);
+        }
+
+        // Set targets to hide if needed
+        if (config.data_hide) {
+            $$.addHiddenTargetIds(config.data_hide === true ? $$.mapToIds($$.data.targets) : config.data_hide);
+        }
+        if (config.legend_hide) {
+            $$.addHiddenLegendIds(config.legend_hide === true ? $$.mapToIds($$.data.targets) : config.legend_hide);
+        }
+
+        // when gauge, hide legend // TODO: fix
+        if ($$.hasType('gauge')) {
+            config.legend_show = false;
+        }
+
+        // Init sizes and scales
+        $$.updateSizes();
+        $$.updateScales();
+
+        // Set domains for each scale
+        $$.x.domain(d3.extent($$.getXDomain($$.data.targets)));
+        $$.y.domain($$.getYDomain($$.data.targets, 'y'));
+        $$.y2.domain($$.getYDomain($$.data.targets, 'y2'));
+        $$.subX.domain($$.x.domain());
+        $$.subY.domain($$.y.domain());
+        $$.subY2.domain($$.y2.domain());
+
+        // Save original x domain for zoom update
+        $$.orgXDomain = $$.x.domain();
+
+        // Set initialized scales to brush and zoom
+        if ($$.brush) { $$.brush.scale($$.subX); }
+        if (config.zoom_enabled) { $$.zoom.scale($$.x); }
+
+        /*-- Basic Elements --*/
+
+        // Define svgs
+        $$.svg = $$.selectChart.append("svg")
+            .style("overflow", "hidden")
+            .on('mouseenter', function () { return config.onmouseover.call($$); })
+            .on('mouseleave', function () { return config.onmouseout.call($$); });
+
+        if ($$.config.svg_classname) {
+            $$.svg.attr('class', $$.config.svg_classname);
+        }
+
+        // Define defs
+        defs = $$.svg.append("defs");
+        $$.clipChart = $$.appendClip(defs, $$.clipId);
+        $$.clipXAxis = $$.appendClip(defs, $$.clipIdForXAxis);
+        $$.clipYAxis = $$.appendClip(defs, $$.clipIdForYAxis);
+        $$.clipGrid = $$.appendClip(defs, $$.clipIdForGrid);
+        $$.clipSubchart = $$.appendClip(defs, $$.clipIdForSubchart);
+        $$.updateSvgSize();
+
+        // Define regions
+        main = $$.main = $$.svg.append("g").attr("transform", $$.getTranslate('main'));
+
+        if ($$.initSubchart) { $$.initSubchart(); }
+        if ($$.initTooltip) { $$.initTooltip(); }
+        if ($$.initLegend) { $$.initLegend(); }
+        if ($$.initTitle) { $$.initTitle(); }
+
+        /*-- Main Region --*/
+
+        // text when empty
+        main.append("text")
+            .attr("class", CLASS.text + ' ' + CLASS.empty)
+            .attr("text-anchor", "middle") // horizontal centering of text at x position in all browsers.
+            .attr("dominant-baseline", "middle"); // vertical centering of text at y position in all browsers, except IE.
+
+        // Regions
+        $$.initRegion();
+
+        // Grids
+        $$.initGrid();
+
+        // Define g for chart area
+        main.append('g')
+            .attr("clip-path", $$.clipPath)
+            .attr('class', CLASS.chart);
+
+        // Grid lines
+        if (config.grid_lines_front) { $$.initGridLines(); }
+
+        // Cover whole with rects for events
+        $$.initEventRect();
+
+        // Define g for chart
+        $$.initChartElements();
+
+        // if zoom privileged, insert rect to forefront
+        // TODO: is this needed?
+        main.insert('rect', config.zoom_privileged ? null : 'g.' + CLASS.regions)
+            .attr('class', CLASS.zoomRect)
+            .attr('width', $$.width)
+            .attr('height', $$.height)
+            .style('opacity', 0)
+            .on("dblclick.zoom", null);
+
+        // Set default extent if defined
+        if (config.axis_x_extent) { $$.brush.extent($$.getDefaultExtent()); }
+
+        // Add Axis
+        $$.axis.init();
+
+        // Set targets
+        $$.updateTargets($$.data.targets);
+
+        // Draw with targets
+        if (binding) {
+            $$.updateDimension();
+            $$.config.oninit.call($$);
+            $$.redraw({
+                withTransition: false,
+                withTransform: true,
+                withUpdateXDomain: true,
+                withUpdateOrgXDomain: true,
+                withTransitionForAxis: false
+            });
+        }
+
+        // Bind resize event
+        $$.bindResize();
+
+        // export element of the chart
+        $$.api.element = $$.selectChart.node();
+    };
+
+    c3_chart_internal_fn.smoothLines = function (el, type) {
+        var $$ = this;
+        if (type === 'grid') {
+            el.each(function () {
+                var g = $$.d3.select(this),
+                    x1 = g.attr('x1'),
+                    x2 = g.attr('x2'),
+                    y1 = g.attr('y1'),
+                    y2 = g.attr('y2');
+                g.attr({
+                    'x1': Math.ceil(x1),
+                    'x2': Math.ceil(x2),
+                    'y1': Math.ceil(y1),
+                    'y2': Math.ceil(y2)
+                });
+            });
+        }
+    };
+
+
+    c3_chart_internal_fn.updateSizes = function () {
+        var $$ = this, config = $$.config;
+        var legendHeight = $$.legend ? $$.getLegendHeight() : 0,
+            legendWidth = $$.legend ? $$.getLegendWidth() : 0,
+            legendHeightForBottom = $$.isLegendRight || $$.isLegendInset ? 0 : legendHeight,
+            hasArc = $$.hasArcType(),
+            xAxisHeight = config.axis_rotated || hasArc ? 0 : $$.getHorizontalAxisHeight('x'),
+            subchartHeight = config.subchart_show && !hasArc ? (config.subchart_size_height + xAxisHeight) : 0;
+
+        $$.currentWidth = $$.getCurrentWidth();
+        $$.currentHeight = $$.getCurrentHeight();
+
+        // for main
+        $$.margin = config.axis_rotated ? {
+            top: $$.getHorizontalAxisHeight('y2') + $$.getCurrentPaddingTop(),
+            right: hasArc ? 0 : $$.getCurrentPaddingRight(),
+            bottom: $$.getHorizontalAxisHeight('y') + legendHeightForBottom + $$.getCurrentPaddingBottom(),
+            left: subchartHeight + (hasArc ? 0 : $$.getCurrentPaddingLeft())
+        } : {
+            top: 4 + $$.getCurrentPaddingTop(), // for top tick text
+            right: hasArc ? 0 : $$.getCurrentPaddingRight(),
+            bottom: xAxisHeight + subchartHeight + legendHeightForBottom + $$.getCurrentPaddingBottom(),
+            left: hasArc ? 0 : $$.getCurrentPaddingLeft()
+        };
+
+        // for subchart
+        $$.margin2 = config.axis_rotated ? {
+            top: $$.margin.top,
+            right: NaN,
+            bottom: 20 + legendHeightForBottom,
+            left: $$.rotated_padding_left
+        } : {
+            top: $$.currentHeight - subchartHeight - legendHeightForBottom,
+            right: NaN,
+            bottom: xAxisHeight + legendHeightForBottom,
+            left: $$.margin.left
+        };
+
+        // for legend
+        $$.margin3 = {
+            top: 0,
+            right: NaN,
+            bottom: 0,
+            left: 0
+        };
+        if ($$.updateSizeForLegend) { $$.updateSizeForLegend(legendHeight, legendWidth); }
+
+        $$.width = $$.currentWidth - $$.margin.left - $$.margin.right;
+        $$.height = $$.currentHeight - $$.margin.top - $$.margin.bottom;
+        if ($$.width < 0) { $$.width = 0; }
+        if ($$.height < 0) { $$.height = 0; }
+
+        $$.width2 = config.axis_rotated ? $$.margin.left - $$.rotated_padding_left - $$.rotated_padding_right : $$.width;
+        $$.height2 = config.axis_rotated ? $$.height : $$.currentHeight - $$.margin2.top - $$.margin2.bottom;
+        if ($$.width2 < 0) { $$.width2 = 0; }
+        if ($$.height2 < 0) { $$.height2 = 0; }
+
+        // for arc
+        $$.arcWidth = $$.width - ($$.isLegendRight ? legendWidth + 10 : 0);
+        $$.arcHeight = $$.height - ($$.isLegendRight ? 0 : 10);
+        if ($$.hasType('gauge')) {
+            $$.arcHeight += $$.height - $$.getGaugeLabelHeight();
+        }
+        if ($$.updateRadius) { $$.updateRadius(); }
+
+        if ($$.isLegendRight && hasArc) {
+            $$.margin3.left = $$.arcWidth / 2 + $$.radiusExpanded * 1.1;
+        }
+    };
+
+    c3_chart_internal_fn.updateTargets = function (targets) {
+        var $$ = this;
+
+        /*-- Main --*/
+
+        //-- Text --//
+        $$.updateTargetsForText(targets);
+
+        //-- Bar --//
+        $$.updateTargetsForBar(targets);
+
+        //-- Line --//
+        $$.updateTargetsForLine(targets);
+
+        //-- Arc --//
+        if ($$.hasArcType() && $$.updateTargetsForArc) { $$.updateTargetsForArc(targets); }
+
+        /*-- Sub --*/
+
+        if ($$.updateTargetsForSubchart) { $$.updateTargetsForSubchart(targets); }
+
+        // Fade-in each chart
+        $$.showTargets();
+    };
+    c3_chart_internal_fn.showTargets = function () {
+        var $$ = this;
+        $$.svg.selectAll('.' + CLASS.target).filter(function (d) { return $$.isTargetToShow(d.id); })
+          .transition().duration($$.config.transition_duration)
+            .style("opacity", 1);
+    };
+
+    c3_chart_internal_fn.redraw = function (options, transitions) {
+        var $$ = this, main = $$.main, d3 = $$.d3, config = $$.config;
+        var areaIndices = $$.getShapeIndices($$.isAreaType), barIndices = $$.getShapeIndices($$.isBarType), lineIndices = $$.getShapeIndices($$.isLineType);
+        var withY, withSubchart, withTransition, withTransitionForExit, withTransitionForAxis,
+            withTransform, withUpdateXDomain, withUpdateOrgXDomain, withTrimXDomain, withLegend,
+            withEventRect, withDimension, withUpdateXAxis;
+        var hideAxis = $$.hasArcType();
+        var drawArea, drawBar, drawLine, xForText, yForText;
+        var duration, durationForExit, durationForAxis;
+        var waitForDraw, flow;
+        var targetsToShow = $$.filterTargetsToShow($$.data.targets), tickValues, i, intervalForCulling, xDomainForZoom;
+        var xv = $$.xv.bind($$), cx, cy;
+
+        options = options || {};
+        withY = getOption(options, "withY", true);
+        withSubchart = getOption(options, "withSubchart", true);
+        withTransition = getOption(options, "withTransition", true);
+        withTransform = getOption(options, "withTransform", false);
+        withUpdateXDomain = getOption(options, "withUpdateXDomain", false);
+        withUpdateOrgXDomain = getOption(options, "withUpdateOrgXDomain", false);
+        withTrimXDomain = getOption(options, "withTrimXDomain", true);
+        withUpdateXAxis = getOption(options, "withUpdateXAxis", withUpdateXDomain);
+        withLegend = getOption(options, "withLegend", false);
+        withEventRect = getOption(options, "withEventRect", true);
+        withDimension = getOption(options, "withDimension", true);
+        withTransitionForExit = getOption(options, "withTransitionForExit", withTransition);
+        withTransitionForAxis = getOption(options, "withTransitionForAxis", withTransition);
+
+        duration = withTransition ? config.transition_duration : 0;
+        durationForExit = withTransitionForExit ? duration : 0;
+        durationForAxis = withTransitionForAxis ? duration : 0;
+
+        transitions = transitions || $$.axis.generateTransitions(durationForAxis);
+
+        // update legend and transform each g
+        if (withLegend && config.legend_show) {
+            $$.updateLegend($$.mapToIds($$.data.targets), options, transitions);
+        } else if (withDimension) {
+            // need to update dimension (e.g. axis.y.tick.values) because y tick values should change
+            // no need to update axis in it because they will be updated in redraw()
+            $$.updateDimension(true);
+        }
+
+        // MEMO: needed for grids calculation
+        if ($$.isCategorized() && targetsToShow.length === 0) {
+            $$.x.domain([0, $$.axes.x.selectAll('.tick').size()]);
+        }
+
+        if (targetsToShow.length) {
+            $$.updateXDomain(targetsToShow, withUpdateXDomain, withUpdateOrgXDomain, withTrimXDomain);
+            if (!config.axis_x_tick_values) {
+                tickValues = $$.axis.updateXAxisTickValues(targetsToShow);
+            }
+        } else {
+            $$.xAxis.tickValues([]);
+            $$.subXAxis.tickValues([]);
+        }
+
+        if (config.zoom_rescale && !options.flow) {
+            xDomainForZoom = $$.x.orgDomain();
+        }
+
+        $$.y.domain($$.getYDomain(targetsToShow, 'y', xDomainForZoom));
+        $$.y2.domain($$.getYDomain(targetsToShow, 'y2', xDomainForZoom));
+
+        if (!config.axis_y_tick_values && config.axis_y_tick_count) {
+            $$.yAxis.tickValues($$.axis.generateTickValues($$.y.domain(), config.axis_y_tick_count));
+        }
+        if (!config.axis_y2_tick_values && config.axis_y2_tick_count) {
+            $$.y2Axis.tickValues($$.axis.generateTickValues($$.y2.domain(), config.axis_y2_tick_count));
+        }
+
+        // axes
+        $$.axis.redraw(transitions, hideAxis);
+
+        // Update axis label
+        $$.axis.updateLabels(withTransition);
+
+        // show/hide if manual culling needed
+        if ((withUpdateXDomain || withUpdateXAxis) && targetsToShow.length) {
+            if (config.axis_x_tick_culling && tickValues) {
+                for (i = 1; i < tickValues.length; i++) {
+                    if (tickValues.length / i < config.axis_x_tick_culling_max) {
+                        intervalForCulling = i;
+                        break;
+                    }
+                }
+                $$.svg.selectAll('.' + CLASS.axisX + ' .tick text').each(function (e) {
+                    var index = tickValues.indexOf(e);
+                    if (index >= 0) {
+                        d3.select(this).style('display', index % intervalForCulling ? 'none' : 'block');
+                    }
+                });
+            } else {
+                $$.svg.selectAll('.' + CLASS.axisX + ' .tick text').style('display', 'block');
+            }
+        }
+
+        // setup drawer - MEMO: these must be called after axis updated
+        drawArea = $$.generateDrawArea ? $$.generateDrawArea(areaIndices, false) : undefined;
+        drawBar = $$.generateDrawBar ? $$.generateDrawBar(barIndices) : undefined;
+        drawLine = $$.generateDrawLine ? $$.generateDrawLine(lineIndices, false) : undefined;
+        xForText = $$.generateXYForText(areaIndices, barIndices, lineIndices, true);
+        yForText = $$.generateXYForText(areaIndices, barIndices, lineIndices, false);
+
+        // Update sub domain
+        if (withY) {
+            $$.subY.domain($$.getYDomain(targetsToShow, 'y'));
+            $$.subY2.domain($$.getYDomain(targetsToShow, 'y2'));
+        }
+
+        // xgrid focus
+        $$.updateXgridFocus();
+
+        // Data empty label positioning and text.
+        main.select("text." + CLASS.text + '.' + CLASS.empty)
+            .attr("x", $$.width / 2)
+            .attr("y", $$.height / 2)
+            .text(config.data_empty_label_text)
+          .transition()
+            .style('opacity', targetsToShow.length ? 0 : 1);
+
+        // grid
+        $$.updateGrid(duration);
+
+        // rect for regions
+        $$.updateRegion(duration);
+
+        // bars
+        $$.updateBar(durationForExit);
+
+        // lines, areas and cricles
+        $$.updateLine(durationForExit);
+        $$.updateArea(durationForExit);
+        $$.updateCircle();
+
+        // text
+        if ($$.hasDataLabel()) {
+            $$.updateText(durationForExit);
+        }
+
+        // title
+        if ($$.redrawTitle) { $$.redrawTitle(); }
+
+        // arc
+        if ($$.redrawArc) { $$.redrawArc(duration, durationForExit, withTransform); }
+
+        // subchart
+        if ($$.redrawSubchart) {
+            $$.redrawSubchart(withSubchart, transitions, duration, durationForExit, areaIndices, barIndices, lineIndices);
+        }
+
+        // circles for select
+        main.selectAll('.' + CLASS.selectedCircles)
+            .filter($$.isBarType.bind($$))
+            .selectAll('circle')
+            .remove();
+
+        // event rects will redrawn when flow called
+        if (config.interaction_enabled && !options.flow && withEventRect) {
+            $$.redrawEventRect();
+            if ($$.updateZoom) { $$.updateZoom(); }
+        }
+
+        // update circleY based on updated parameters
+        $$.updateCircleY();
+
+        // generate circle x/y functions depending on updated params
+        cx = ($$.config.axis_rotated ? $$.circleY : $$.circleX).bind($$);
+        cy = ($$.config.axis_rotated ? $$.circleX : $$.circleY).bind($$);
+
+        if (options.flow) {
+            flow = $$.generateFlow({
+                targets: targetsToShow,
+                flow: options.flow,
+                duration: options.flow.duration,
+                drawBar: drawBar,
+                drawLine: drawLine,
+                drawArea: drawArea,
+                cx: cx,
+                cy: cy,
+                xv: xv,
+                xForText: xForText,
+                yForText: yForText
+            });
+        }
+
+        if ((duration || flow) && $$.isTabVisible()) { // Only use transition if tab visible. See #938.
+            // transition should be derived from one transition
+            d3.transition().duration(duration).each(function () {
+                var transitionsToWait = [];
+
+                // redraw and gather transitions
+                [
+                    $$.redrawBar(drawBar, true),
+                    $$.redrawLine(drawLine, true),
+                    $$.redrawArea(drawArea, true),
+                    $$.redrawCircle(cx, cy, true),
+                    $$.redrawText(xForText, yForText, options.flow, true),
+                    $$.redrawRegion(true),
+                    $$.redrawGrid(true),
+                ].forEach(function (transitions) {
+                    transitions.forEach(function (transition) {
+                        transitionsToWait.push(transition);
+                    });
+                });
+
+                // Wait for end of transitions to call flow and onrendered callback
+                waitForDraw = $$.generateWait();
+                transitionsToWait.forEach(function (t) {
+                    waitForDraw.add(t);
+                });
+            })
+            .call(waitForDraw, function () {
+                if (flow) {
+                    flow();
+                }
+                if (config.onrendered) {
+                    config.onrendered.call($$);
+                }
+            });
+        }
+        else {
+            $$.redrawBar(drawBar);
+            $$.redrawLine(drawLine);
+            $$.redrawArea(drawArea);
+            $$.redrawCircle(cx, cy);
+            $$.redrawText(xForText, yForText, options.flow);
+            $$.redrawRegion();
+            $$.redrawGrid();
+            if (config.onrendered) {
+                config.onrendered.call($$);
+            }
+        }
+
+        // update fadein condition
+        $$.mapToIds($$.data.targets).forEach(function (id) {
+            $$.withoutFadeIn[id] = true;
+        });
+    };
+
+    c3_chart_internal_fn.updateAndRedraw = function (options) {
+        var $$ = this, config = $$.config, transitions;
+        options = options || {};
+        // same with redraw
+        options.withTransition = getOption(options, "withTransition", true);
+        options.withTransform = getOption(options, "withTransform", false);
+        options.withLegend = getOption(options, "withLegend", false);
+        // NOT same with redraw
+        options.withUpdateXDomain = true;
+        options.withUpdateOrgXDomain = true;
+        options.withTransitionForExit = false;
+        options.withTransitionForTransform = getOption(options, "withTransitionForTransform", options.withTransition);
+        // MEMO: this needs to be called before updateLegend and it means this ALWAYS needs to be called)
+        $$.updateSizes();
+        // MEMO: called in updateLegend in redraw if withLegend
+        if (!(options.withLegend && config.legend_show)) {
+            transitions = $$.axis.generateTransitions(options.withTransitionForAxis ? config.transition_duration : 0);
+            // Update scales
+            $$.updateScales();
+            $$.updateSvgSize();
+            // Update g positions
+            $$.transformAll(options.withTransitionForTransform, transitions);
+        }
+        // Draw with new sizes & scales
+        $$.redraw(options, transitions);
+    };
+    c3_chart_internal_fn.redrawWithoutRescale = function () {
+        this.redraw({
+            withY: false,
+            withSubchart: false,
+            withEventRect: false,
+            withTransitionForAxis: false
+        });
+    };
+
+    c3_chart_internal_fn.isTimeSeries = function () {
+        return this.config.axis_x_type === 'timeseries';
+    };
+    c3_chart_internal_fn.isCategorized = function () {
+        return this.config.axis_x_type.indexOf('categor') >= 0;
+    };
+    c3_chart_internal_fn.isCustomX = function () {
+        var $$ = this, config = $$.config;
+        return !$$.isTimeSeries() && (config.data_x || notEmpty(config.data_xs));
+    };
+
+    c3_chart_internal_fn.isTimeSeriesY = function () {
+        return this.config.axis_y_type === 'timeseries';
+    };
+
+    c3_chart_internal_fn.getTranslate = function (target) {
+        var $$ = this, config = $$.config, x, y;
+        if (target === 'main') {
+            x = asHalfPixel($$.margin.left);
+            y = asHalfPixel($$.margin.top);
+        } else if (target === 'context') {
+            x = asHalfPixel($$.margin2.left);
+            y = asHalfPixel($$.margin2.top);
+        } else if (target === 'legend') {
+            x = $$.margin3.left;
+            y = $$.margin3.top;
+        } else if (target === 'x') {
+            x = 0;
+            y = config.axis_rotated ? 0 : $$.height;
+        } else if (target === 'y') {
+            x = 0;
+            y = config.axis_rotated ? $$.height : 0;
+        } else if (target === 'y2') {
+            x = config.axis_rotated ? 0 : $$.width;
+            y = config.axis_rotated ? 1 : 0;
+        } else if (target === 'subx') {
+            x = 0;
+            y = config.axis_rotated ? 0 : $$.height2;
+        } else if (target === 'arc') {
+            x = $$.arcWidth / 2;
+            y = $$.arcHeight / 2;
+        }
+        return "translate(" + x + "," + y + ")";
+    };
+    c3_chart_internal_fn.initialOpacity = function (d) {
+        return d.value !== null && this.withoutFadeIn[d.id] ? 1 : 0;
+    };
+    c3_chart_internal_fn.initialOpacityForCircle = function (d) {
+        return d.value !== null && this.withoutFadeIn[d.id] ? this.opacityForCircle(d) : 0;
+    };
+    c3_chart_internal_fn.opacityForCircle = function (d) {
+        var opacity = this.config.point_show ? 1 : 0;
+        return isValue(d.value) ? (this.isScatterType(d) ? 0.5 : opacity) : 0;
+    };
+    c3_chart_internal_fn.opacityForText = function () {
+        return this.hasDataLabel() ? 1 : 0;
+    };
+    c3_chart_internal_fn.xx = function (d) {
+        return d ? this.x(d.x) : null;
+    };
+    c3_chart_internal_fn.xv = function (d) {
+        var $$ = this, value = d.value;
+        if ($$.isTimeSeries()) {
+            value = $$.parseDate(d.value);
+        }
+        else if ($$.isCategorized() && typeof d.value === 'string') {
+            value = $$.config.axis_x_categories.indexOf(d.value);
+        }
+        return Math.ceil($$.x(value));
+    };
+    c3_chart_internal_fn.yv = function (d) {
+        var $$ = this,
+            yScale = d.axis && d.axis === 'y2' ? $$.y2 : $$.y;
+        return Math.ceil(yScale(d.value));
+    };
+    c3_chart_internal_fn.subxx = function (d) {
+        return d ? this.subX(d.x) : null;
+    };
+
+    c3_chart_internal_fn.transformMain = function (withTransition, transitions) {
+        var $$ = this,
+            xAxis, yAxis, y2Axis;
+        if (transitions && transitions.axisX) {
+            xAxis = transitions.axisX;
+        } else {
+            xAxis  = $$.main.select('.' + CLASS.axisX);
+            if (withTransition) { xAxis = xAxis.transition(); }
+        }
+        if (transitions && transitions.axisY) {
+            yAxis = transitions.axisY;
+        } else {
+            yAxis = $$.main.select('.' + CLASS.axisY);
+            if (withTransition) { yAxis = yAxis.transition(); }
+        }
+        if (transitions && transitions.axisY2) {
+            y2Axis = transitions.axisY2;
+        } else {
+            y2Axis = $$.main.select('.' + CLASS.axisY2);
+            if (withTransition) { y2Axis = y2Axis.transition(); }
+        }
+        (withTransition ? $$.main.transition() : $$.main).attr("transform", $$.getTranslate('main'));
+        xAxis.attr("transform", $$.getTranslate('x'));
+        yAxis.attr("transform", $$.getTranslate('y'));
+        y2Axis.attr("transform", $$.getTranslate('y2'));
+        $$.main.select('.' + CLASS.chartArcs).attr("transform", $$.getTranslate('arc'));
+    };
+    c3_chart_internal_fn.transformAll = function (withTransition, transitions) {
+        var $$ = this;
+        $$.transformMain(withTransition, transitions);
+        if ($$.config.subchart_show) { $$.transformContext(withTransition, transitions); }
+        if ($$.legend) { $$.transformLegend(withTransition); }
+    };
+
+    c3_chart_internal_fn.updateSvgSize = function () {
+        var $$ = this,
+            brush = $$.svg.select(".c3-brush .background");
+        $$.svg.attr('width', $$.currentWidth).attr('height', $$.currentHeight);
+        $$.svg.selectAll(['#' + $$.clipId, '#' + $$.clipIdForGrid]).select('rect')
+            .attr('width', $$.width)
+            .attr('height', $$.height);
+        $$.svg.select('#' + $$.clipIdForXAxis).select('rect')
+            .attr('x', $$.getXAxisClipX.bind($$))
+            .attr('y', $$.getXAxisClipY.bind($$))
+            .attr('width', $$.getXAxisClipWidth.bind($$))
+            .attr('height', $$.getXAxisClipHeight.bind($$));
+        $$.svg.select('#' + $$.clipIdForYAxis).select('rect')
+            .attr('x', $$.getYAxisClipX.bind($$))
+            .attr('y', $$.getYAxisClipY.bind($$))
+            .attr('width', $$.getYAxisClipWidth.bind($$))
+            .attr('height', $$.getYAxisClipHeight.bind($$));
+        $$.svg.select('#' + $$.clipIdForSubchart).select('rect')
+            .attr('width', $$.width)
+            .attr('height', brush.size() ? brush.attr('height') : 0);
+        $$.svg.select('.' + CLASS.zoomRect)
+            .attr('width', $$.width)
+            .attr('height', $$.height);
+        // MEMO: parent div's height will be bigger than svg when <!DOCTYPE html>
+        $$.selectChart.style('max-height', $$.currentHeight + "px");
+    };
+
+
+    c3_chart_internal_fn.updateDimension = function (withoutAxis) {
+        var $$ = this;
+        if (!withoutAxis) {
+            if ($$.config.axis_rotated) {
+                $$.axes.x.call($$.xAxis);
+                $$.axes.subx.call($$.subXAxis);
+            } else {
+                $$.axes.y.call($$.yAxis);
+                $$.axes.y2.call($$.y2Axis);
+            }
+        }
+        $$.updateSizes();
+        $$.updateScales();
+        $$.updateSvgSize();
+        $$.transformAll(false);
+    };
+
+    c3_chart_internal_fn.observeInserted = function (selection) {
+        var $$ = this, observer;
+        if (typeof MutationObserver === 'undefined') {
+            window.console.error("MutationObserver not defined.");
+            return;
+        }
+        observer= new MutationObserver(function (mutations) {
+            mutations.forEach(function (mutation) {
+                if (mutation.type === 'childList' && mutation.previousSibling) {
+                    observer.disconnect();
+                    // need to wait for completion of load because size calculation requires the actual sizes determined after that completion
+                    $$.intervalForObserveInserted = window.setInterval(function () {
+                        // parentNode will NOT be null when completed
+                        if (selection.node().parentNode) {
+                            window.clearInterval($$.intervalForObserveInserted);
+                            $$.updateDimension();
+                            if ($$.brush) { $$.brush.update(); }
+                            $$.config.oninit.call($$);
+                            $$.redraw({
+                                withTransform: true,
+                                withUpdateXDomain: true,
+                                withUpdateOrgXDomain: true,
+                                withTransition: false,
+                                withTransitionForTransform: false,
+                                withLegend: true
+                            });
+                            selection.transition().style('opacity', 1);
+                        }
+                    }, 10);
+                }
+            });
+        });
+        observer.observe(selection.node(), {attributes: true, childList: true, characterData: true});
+    };
+
+    c3_chart_internal_fn.bindResize = function () {
+        var $$ = this, config = $$.config;
+
+        $$.resizeFunction = $$.generateResize();
+
+        $$.resizeFunction.add(function () {
+            config.onresize.call($$);
+        });
+        if (config.resize_auto) {
+            $$.resizeFunction.add(function () {
+                if ($$.resizeTimeout !== undefined) {
+                    window.clearTimeout($$.resizeTimeout);
+                }
+                $$.resizeTimeout = window.setTimeout(function () {
+                    delete $$.resizeTimeout;
+                    $$.api.flush();
+                }, 100);
+            });
+        }
+        $$.resizeFunction.add(function () {
+            config.onresized.call($$);
+        });
+
+        if (window.attachEvent) {
+            window.attachEvent('onresize', $$.resizeFunction);
+        } else if (window.addEventListener) {
+            window.addEventListener('resize', $$.resizeFunction, false);
+        } else {
+            // fallback to this, if this is a very old browser
+            var wrapper = window.onresize;
+            if (!wrapper) {
+                // create a wrapper that will call all charts
+                wrapper = $$.generateResize();
+            } else if (!wrapper.add || !wrapper.remove) {
+                // there is already a handler registered, make sure we call it too
+                wrapper = $$.generateResize();
+                wrapper.add(window.onresize);
+            }
+            // add this graph to the wrapper, we will be removed if the user calls destroy
+            wrapper.add($$.resizeFunction);
+            window.onresize = wrapper;
+        }
+    };
+
+    c3_chart_internal_fn.generateResize = function () {
+        var resizeFunctions = [];
+        function callResizeFunctions() {
+            resizeFunctions.forEach(function (f) {
+                f();
+            });
+        }
+        callResizeFunctions.add = function (f) {
+            resizeFunctions.push(f);
+        };
+        callResizeFunctions.remove = function (f) {
+            for (var i = 0; i < resizeFunctions.length; i++) {
+                if (resizeFunctions[i] === f) {
+                    resizeFunctions.splice(i, 1);
+                    break;
+                }
+            }
+        };
+        return callResizeFunctions;
+    };
+
+    c3_chart_internal_fn.endall = function (transition, callback) {
+        var n = 0;
+        transition
+            .each(function () { ++n; })
+            .each("end", function () {
+                if (!--n) { callback.apply(this, arguments); }
+            });
+    };
+    c3_chart_internal_fn.generateWait = function () {
+        var transitionsToWait = [],
+            f = function (transition, callback) {
+                var timer = setInterval(function () {
+                    var done = 0;
+                    transitionsToWait.forEach(function (t) {
+                        if (t.empty()) {
+                            done += 1;
+                            return;
+                        }
+                        try {
+                            t.transition();
+                        } catch (e) {
+                            done += 1;
+                        }
+                    });
+                    if (done === transitionsToWait.length) {
+                        clearInterval(timer);
+                        if (callback) { callback(); }
+                    }
+                }, 10);
+            };
+        f.add = function (transition) {
+            transitionsToWait.push(transition);
+        };
+        return f;
+    };
+
+    c3_chart_internal_fn.parseDate = function (date) {
+        var $$ = this, parsedDate;
+        if (date instanceof Date) {
+            parsedDate = date;
+        } else if (typeof date === 'string') {
+            parsedDate = $$.dataTimeFormat($$.config.data_xFormat).parse(date);
+        } else if (typeof date === 'number' && !isNaN(date)) {
+            parsedDate = new Date(+date);
+        }
+        if (!parsedDate || isNaN(+parsedDate)) {
+            window.console.error("Failed to parse x '" + date + "' to Date object");
+        }
+        return parsedDate;
+    };
+
+    c3_chart_internal_fn.isTabVisible = function () {
+        var hidden;
+        if (typeof document.hidden !== "undefined") { // Opera 12.10 and Firefox 18 and later support
+            hidden = "hidden";
+        } else if (typeof document.mozHidden !== "undefined") {
+            hidden = "mozHidden";
+        } else if (typeof document.msHidden !== "undefined") {
+            hidden = "msHidden";
+        } else if (typeof document.webkitHidden !== "undefined") {
+            hidden = "webkitHidden";
+        }
+
+        return document[hidden] ? false : true;
+    };
+
+    c3_chart_internal_fn.getDefaultConfig = function () {
+        var config = {
+            bindto: '#chart',
+            svg_classname: undefined,
+            size_width: undefined,
+            size_height: undefined,
+            padding_left: undefined,
+            padding_right: undefined,
+            padding_top: undefined,
+            padding_bottom: undefined,
+            resize_auto: true,
+            zoom_enabled: false,
+            zoom_extent: undefined,
+            zoom_privileged: false,
+            zoom_rescale: false,
+            zoom_onzoom: function () {},
+            zoom_onzoomstart: function () {},
+            zoom_onzoomend: function () {},
+            zoom_x_min: undefined,
+            zoom_x_max: undefined,
+            interaction_enabled: true,
+            onmouseover: function () {},
+            onmouseout: function () {},
+            onresize: function () {},
+            onresized: function () {},
+            oninit: function () {},
+            onrendered: function () {},
+            transition_duration: 350,
+            data_x: undefined,
+            data_xs: {},
+            data_xFormat: '%Y-%m-%d',
+            data_xLocaltime: true,
+            data_xSort: true,
+            data_idConverter: function (id) { return id; },
+            data_names: {},
+            data_classes: {},
+            data_groups: [],
+            data_axes: {},
+            data_type: undefined,
+            data_types: {},
+            data_labels: {},
+            data_order: 'desc',
+            data_regions: {},
+            data_color: undefined,
+            data_colors: {},
+            data_hide: false,
+            data_filter: undefined,
+            data_selection_enabled: false,
+            data_selection_grouped: false,
+            data_selection_isselectable: function () { return true; },
+            data_selection_multiple: true,
+            data_selection_draggable: false,
+            data_onclick: function () {},
+            data_onmouseover: function () {},
+            data_onmouseout: function () {},
+            data_onselected: function () {},
+            data_onunselected: function () {},
+            data_url: undefined,
+            data_json: undefined,
+            data_rows: undefined,
+            data_columns: undefined,
+            data_mimeType: undefined,
+            data_keys: undefined,
+            // configuration for no plot-able data supplied.
+            data_empty_label_text: "",
+            // subchart
+            subchart_show: false,
+            subchart_size_height: 60,
+            subchart_axis_x_show: true,
+            subchart_onbrush: function () {},
+            // color
+            color_pattern: [],
+            color_threshold: {},
+            // legend
+            legend_show: true,
+            legend_hide: false,
+            legend_position: 'bottom',
+            legend_inset_anchor: 'top-left',
+            legend_inset_x: 10,
+            legend_inset_y: 0,
+            legend_inset_step: undefined,
+            legend_item_onclick: undefined,
+            legend_item_onmouseover: undefined,
+            legend_item_onmouseout: undefined,
+            legend_equally: false,
+            legend_padding: 0,
+            legend_item_tile_width: 10,
+            legend_item_tile_height: 10,
+            // axis
+            axis_rotated: false,
+            axis_x_show: true,
+            axis_x_type: 'indexed',
+            axis_x_localtime: true,
+            axis_x_categories: [],
+            axis_x_tick_centered: false,
+            axis_x_tick_format: undefined,
+            axis_x_tick_culling: {},
+            axis_x_tick_culling_max: 10,
+            axis_x_tick_count: undefined,
+            axis_x_tick_fit: true,
+            axis_x_tick_values: null,
+            axis_x_tick_rotate: 0,
+            axis_x_tick_outer: true,
+            axis_x_tick_multiline: true,
+            axis_x_tick_width: null,
+            axis_x_max: undefined,
+            axis_x_min: undefined,
+            axis_x_padding: {},
+            axis_x_height: undefined,
+            axis_x_extent: undefined,
+            axis_x_label: {},
+            axis_y_show: true,
+            axis_y_type: undefined,
+            axis_y_max: undefined,
+            axis_y_min: undefined,
+            axis_y_inverted: false,
+            axis_y_center: undefined,
+            axis_y_inner: undefined,
+            axis_y_label: {},
+            axis_y_tick_format: undefined,
+            axis_y_tick_outer: true,
+            axis_y_tick_values: null,
+            axis_y_tick_count: undefined,
+            axis_y_tick_time_value: undefined,
+            axis_y_tick_time_interval: undefined,
+            axis_y_padding: {},
+            axis_y_default: undefined,
+            axis_y2_show: false,
+            axis_y2_max: undefined,
+            axis_y2_min: undefined,
+            axis_y2_inverted: false,
+            axis_y2_center: undefined,
+            axis_y2_inner: undefined,
+            axis_y2_label: {},
+            axis_y2_tick_format: undefined,
+            axis_y2_tick_outer: true,
+            axis_y2_tick_values: null,
+            axis_y2_tick_count: undefined,
+            axis_y2_padding: {},
+            axis_y2_default: undefined,
+            // grid
+            grid_x_show: false,
+            grid_x_type: 'tick',
+            grid_x_lines: [],
+            grid_y_show: false,
+            // not used
+            // grid_y_type: 'tick',
+            grid_y_lines: [],
+            grid_y_ticks: 10,
+            grid_focus_show: true,
+            grid_lines_front: true,
+            // point - point of each data
+            point_show: true,
+            point_r: 2.5,
+            point_sensitivity: 10,
+            point_focus_expand_enabled: true,
+            point_focus_expand_r: undefined,
+            point_select_r: undefined,
+            // line
+            line_connectNull: false,
+            line_step_type: 'step',
+            // bar
+            bar_width: undefined,
+            bar_width_ratio: 0.6,
+            bar_width_max: undefined,
+            bar_zerobased: true,
+            // area
+            area_zerobased: true,
+            // pie
+            pie_label_show: true,
+            pie_label_format: undefined,
+            pie_label_threshold: 0.05,
+            pie_expand: {},
+            pie_expand_duration: 50,
+            // gauge
+            gauge_label_show: true,
+            gauge_label_format: undefined,
+            gauge_min: 0,
+            gauge_max: 100,
+            gauge_units: undefined,
+            gauge_width: undefined,
+            gauge_expand: {},
+            gauge_expand_duration: 50,
+            // donut
+            donut_label_show: true,
+            donut_label_format: undefined,
+            donut_label_threshold: 0.05,
+            donut_width: undefined,
+            donut_title: "",
+            donut_expand: {},
+            donut_expand_duration: 50,
+            // spline
+            spline_interpolation_type: 'cardinal',
+            // region - region to change style
+            regions: [],
+            // tooltip - show when mouseover on each data
+            tooltip_show: true,
+            tooltip_grouped: true,
+            tooltip_format_title: undefined,
+            tooltip_format_name: undefined,
+            tooltip_format_value: undefined,
+            tooltip_position: undefined,
+            tooltip_contents: function (d, defaultTitleFormat, defaultValueFormat, color) {
+                return this.getTooltipContent ? this.getTooltipContent(d, defaultTitleFormat, defaultValueFormat, color) : '';
+            },
+            tooltip_init_show: false,
+            tooltip_init_x: 0,
+            tooltip_init_position: {top: '0px', left: '50px'},
+            tooltip_onshow: function () {},
+            tooltip_onhide: function () {},
+            // title
+            title_text: undefined,
+            title_padding: {
+                top: 0,
+                right: 0,
+                bottom: 0,
+                left: 0
+            },
+            title_position: 'top-center',
+        };
+
+        Object.keys(this.additionalConfig).forEach(function (key) {
+            config[key] = this.additionalConfig[key];
+        }, this);
+
+        return config;
+    };
+    c3_chart_internal_fn.additionalConfig = {};
+
+    c3_chart_internal_fn.loadConfig = function (config) {
+        var this_config = this.config, target, keys, read;
+        function find() {
+            var key = keys.shift();
+    //        console.log("key =>", key, ", target =>", target);
+            if (key && target && typeof target === 'object' && key in target) {
+                target = target[key];
+                return find();
+            }
+            else if (!key) {
+                return target;
+            }
+            else {
+                return undefined;
+            }
+        }
+        Object.keys(this_config).forEach(function (key) {
+            target = config;
+            keys = key.split('_');
+            read = find();
+    //        console.log("CONFIG : ", key, read);
+            if (isDefined(read)) {
+                this_config[key] = read;
+            }
+        });
+    };
+
+    c3_chart_internal_fn.getScale = function (min, max, forTimeseries) {
+        return (forTimeseries ? this.d3.time.scale() : this.d3.scale.linear()).range([min, max]);
+    };
+    c3_chart_internal_fn.getX = function (min, max, domain, offset) {
+        var $$ = this,
+            scale = $$.getScale(min, max, $$.isTimeSeries()),
+            _scale = domain ? scale.domain(domain) : scale, key;
+        // Define customized scale if categorized axis
+        if ($$.isCategorized()) {
+            offset = offset || function () { return 0; };
+            scale = function (d, raw) {
+                var v = _scale(d) + offset(d);
+                return raw ? v : Math.ceil(v);
+            };
+        } else {
+            scale = function (d, raw) {
+                var v = _scale(d);
+                return raw ? v : Math.ceil(v);
+            };
+        }
+        // define functions
+        for (key in _scale) {
+            scale[key] = _scale[key];
+        }
+        scale.orgDomain = function () {
+            return _scale.domain();
+        };
+        // define custom domain() for categorized axis
+        if ($$.isCategorized()) {
+            scale.domain = function (domain) {
+                if (!arguments.length) {
+                    domain = this.orgDomain();
+                    return [domain[0], domain[1] + 1];
+                }
+                _scale.domain(domain);
+                return scale;
+            };
+        }
+        return scale;
+    };
+    c3_chart_internal_fn.getY = function (min, max, domain) {
+        var scale = this.getScale(min, max, this.isTimeSeriesY());
+        if (domain) { scale.domain(domain); }
+        return scale;
+    };
+    c3_chart_internal_fn.getYScale = function (id) {
+        return this.axis.getId(id) === 'y2' ? this.y2 : this.y;
+    };
+    c3_chart_internal_fn.getSubYScale = function (id) {
+        return this.axis.getId(id) === 'y2' ? this.subY2 : this.subY;
+    };
+    c3_chart_internal_fn.updateScales = function () {
+        var $$ = this, config = $$.config,
+            forInit = !$$.x;
+        // update edges
+        $$.xMin = config.axis_rotated ? 1 : 0;
+        $$.xMax = config.axis_rotated ? $$.height : $$.width;
+        $$.yMin = config.axis_rotated ? 0 : $$.height;
+        $$.yMax = config.axis_rotated ? $$.width : 1;
+        $$.subXMin = $$.xMin;
+        $$.subXMax = $$.xMax;
+        $$.subYMin = config.axis_rotated ? 0 : $$.height2;
+        $$.subYMax = config.axis_rotated ? $$.width2 : 1;
+        // update scales
+        $$.x = $$.getX($$.xMin, $$.xMax, forInit ? undefined : $$.x.orgDomain(), function () { return $$.xAxis.tickOffset(); });
+        $$.y = $$.getY($$.yMin, $$.yMax, forInit ? config.axis_y_default : $$.y.domain());
+        $$.y2 = $$.getY($$.yMin, $$.yMax, forInit ? config.axis_y2_default : $$.y2.domain());
+        $$.subX = $$.getX($$.xMin, $$.xMax, $$.orgXDomain, function (d) { return d % 1 ? 0 : $$.subXAxis.tickOffset(); });
+        $$.subY = $$.getY($$.subYMin, $$.subYMax, forInit ? config.axis_y_default : $$.subY.domain());
+        $$.subY2 = $$.getY($$.subYMin, $$.subYMax, forInit ? config.axis_y2_default : $$.subY2.domain());
+        // update axes
+        $$.xAxisTickFormat = $$.axis.getXAxisTickFormat();
+        $$.xAxisTickValues = $$.axis.getXAxisTickValues();
+        $$.yAxisTickValues = $$.axis.getYAxisTickValues();
+        $$.y2AxisTickValues = $$.axis.getY2AxisTickValues();
+
+        $$.xAxis = $$.axis.getXAxis($$.x, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues, config.axis_x_tick_outer);
+        $$.subXAxis = $$.axis.getXAxis($$.subX, $$.subXOrient, $$.xAxisTickFormat, $$.xAxisTickValues, config.axis_x_tick_outer);
+        $$.yAxis = $$.axis.getYAxis($$.y, $$.yOrient, config.axis_y_tick_format, $$.yAxisTickValues, config.axis_y_tick_outer);
+        $$.y2Axis = $$.axis.getYAxis($$.y2, $$.y2Orient, config.axis_y2_tick_format, $$.y2AxisTickValues, config.axis_y2_tick_outer);
+
+        // Set initialized scales to brush and zoom
+        if (!forInit) {
+            if ($$.brush) { $$.brush.scale($$.subX); }
+            if (config.zoom_enabled) { $$.zoom.scale($$.x); }
+        }
+        // update for arc
+        if ($$.updateArc) { $$.updateArc(); }
+    };
+
+    c3_chart_internal_fn.getYDomainMin = function (targets) {
+        var $$ = this, config = $$.config,
+            ids = $$.mapToIds(targets), ys = $$.getValuesAsIdKeyed(targets),
+            j, k, baseId, idsInGroup, id, hasNegativeValue;
+        if (config.data_groups.length > 0) {
+            hasNegativeValue = $$.hasNegativeValueInTargets(targets);
+            for (j = 0; j < config.data_groups.length; j++) {
+                // Determine baseId
+                idsInGroup = config.data_groups[j].filter(function (id) { return ids.indexOf(id) >= 0; });
+                if (idsInGroup.length === 0) { continue; }
+                baseId = idsInGroup[0];
+                // Consider negative values
+                if (hasNegativeValue && ys[baseId]) {
+                    ys[baseId].forEach(function (v, i) {
+                        ys[baseId][i] = v < 0 ? v : 0;
+                    });
+                }
+                // Compute min
+                for (k = 1; k < idsInGroup.length; k++) {
+                    id = idsInGroup[k];
+                    if (! ys[id]) { continue; }
+                    ys[id].forEach(function (v, i) {
+                        if ($$.axis.getId(id) === $$.axis.getId(baseId) && ys[baseId] && !(hasNegativeValue && +v > 0)) {
+                            ys[baseId][i] += +v;
+                        }
+                    });
+                }
+            }
+        }
+        return $$.d3.min(Object.keys(ys).map(function (key) { return $$.d3.min(ys[key]); }));
+    };
+    c3_chart_internal_fn.getYDomainMax = function (targets) {
+        var $$ = this, config = $$.config,
+            ids = $$.mapToIds(targets), ys = $$.getValuesAsIdKeyed(targets),
+            j, k, baseId, idsInGroup, id, hasPositiveValue;
+        if (config.data_groups.length > 0) {
+            hasPositiveValue = $$.hasPositiveValueInTargets(targets);
+            for (j = 0; j < config.data_groups.length; j++) {
+                // Determine baseId
+                idsInGroup = config.data_groups[j].filter(function (id) { return ids.indexOf(id) >= 0; });
+                if (idsInGroup.length === 0) { continue; }
+                baseId = idsInGroup[0];
+                // Consider positive values
+                if (hasPositiveValue && ys[baseId]) {
+                    ys[baseId].forEach(function (v, i) {
+                        ys[baseId][i] = v > 0 ? v : 0;
+                    });
+                }
+                // Compute max
+                for (k = 1; k < idsInGroup.length; k++) {
+                    id = idsInGroup[k];
+                    if (! ys[id]) { continue; }
+                    ys[id].forEach(function (v, i) {
+                        if ($$.axis.getId(id) === $$.axis.getId(baseId) && ys[baseId] && !(hasPositiveValue && +v < 0)) {
+                            ys[baseId][i] += +v;
+                        }
+                    });
+                }
+            }
+        }
+        return $$.d3.max(Object.keys(ys).map(function (key) { return $$.d3.max(ys[key]); }));
+    };
+    c3_chart_internal_fn.getYDomain = function (targets, axisId, xDomain) {
+        var $$ = this, config = $$.config,
+            targetsByAxisId = targets.filter(function (t) { return $$.axis.getId(t.id) === axisId; }),
+            yTargets = xDomain ? $$.filterByXDomain(targetsByAxisId, xDomain) : targetsByAxisId,
+            yMin = axisId === 'y2' ? config.axis_y2_min : config.axis_y_min,
+            yMax = axisId === 'y2' ? config.axis_y2_max : config.axis_y_max,
+            yDomainMin = $$.getYDomainMin(yTargets),
+            yDomainMax = $$.getYDomainMax(yTargets),
+            domain, domainLength, padding, padding_top, padding_bottom,
+            center = axisId === 'y2' ? config.axis_y2_center : config.axis_y_center,
+            yDomainAbs, lengths, diff, ratio, isAllPositive, isAllNegative,
+            isZeroBased = ($$.hasType('bar', yTargets) && config.bar_zerobased) || ($$.hasType('area', yTargets) && config.area_zerobased),
+            isInverted = axisId === 'y2' ? config.axis_y2_inverted : config.axis_y_inverted,
+            showHorizontalDataLabel = $$.hasDataLabel() && config.axis_rotated,
+            showVerticalDataLabel = $$.hasDataLabel() && !config.axis_rotated;
+
+        // MEMO: avoid inverting domain unexpectedly
+        yDomainMin = isValue(yMin) ? yMin : isValue(yMax) ? (yDomainMin < yMax ? yDomainMin : yMax - 10) : yDomainMin;
+        yDomainMax = isValue(yMax) ? yMax : isValue(yMin) ? (yMin < yDomainMax ? yDomainMax : yMin + 10) : yDomainMax;
+
+        if (yTargets.length === 0) { // use current domain if target of axisId is none
+            return axisId === 'y2' ? $$.y2.domain() : $$.y.domain();
+        }
+        if (isNaN(yDomainMin)) { // set minimum to zero when not number
+            yDomainMin = 0;
+        }
+        if (isNaN(yDomainMax)) { // set maximum to have same value as yDomainMin
+            yDomainMax = yDomainMin;
+        }
+        if (yDomainMin === yDomainMax) {
+            yDomainMin < 0 ? yDomainMax = 0 : yDomainMin = 0;
+        }
+        isAllPositive = yDomainMin >= 0 && yDomainMax >= 0;
+        isAllNegative = yDomainMin <= 0 && yDomainMax <= 0;
+
+        // Cancel zerobased if axis_*_min / axis_*_max specified
+        if ((isValue(yMin) && isAllPositive) || (isValue(yMax) && isAllNegative)) {
+            isZeroBased = false;
+        }
+
+        // Bar/Area chart should be 0-based if all positive|negative
+        if (isZeroBased) {
+            if (isAllPositive) { yDomainMin = 0; }
+            if (isAllNegative) { yDomainMax = 0; }
+        }
+
+        domainLength = Math.abs(yDomainMax - yDomainMin);
+        padding = padding_top = padding_bottom = domainLength * 0.1;
+
+        if (typeof center !== 'undefined') {
+            yDomainAbs = Math.max(Math.abs(yDomainMin), Math.abs(yDomainMax));
+            yDomainMax = center + yDomainAbs;
+            yDomainMin = center - yDomainAbs;
+        }
+        // add padding for data label
+        if (showHorizontalDataLabel) {
+            lengths = $$.getDataLabelLength(yDomainMin, yDomainMax, 'width');
+            diff = diffDomain($$.y.range());
+            ratio = [lengths[0] / diff, lengths[1] / diff];
+            padding_top += domainLength * (ratio[1] / (1 - ratio[0] - ratio[1]));
+            padding_bottom += domainLength * (ratio[0] / (1 - ratio[0] - ratio[1]));
+        } else if (showVerticalDataLabel) {
+            lengths = $$.getDataLabelLength(yDomainMin, yDomainMax, 'height');
+            padding_top += $$.axis.convertPixelsToAxisPadding(lengths[1], domainLength);
+            padding_bottom += $$.axis.convertPixelsToAxisPadding(lengths[0], domainLength);
+        }
+        if (axisId === 'y' && notEmpty(config.axis_y_padding)) {
+            padding_top = $$.axis.getPadding(config.axis_y_padding, 'top', padding_top, domainLength);
+            padding_bottom = $$.axis.getPadding(config.axis_y_padding, 'bottom', padding_bottom, domainLength);
+        }
+        if (axisId === 'y2' && notEmpty(config.axis_y2_padding)) {
+            padding_top = $$.axis.getPadding(config.axis_y2_padding, 'top', padding_top, domainLength);
+            padding_bottom = $$.axis.getPadding(config.axis_y2_padding, 'bottom', padding_bottom, domainLength);
+        }
+        // Bar/Area chart should be 0-based if all positive|negative
+        if (isZeroBased) {
+            if (isAllPositive) { padding_bottom = yDomainMin; }
+            if (isAllNegative) { padding_top = -yDomainMax; }
+        }
+        domain = [yDomainMin - padding_bottom, yDomainMax + padding_top];
+        return isInverted ? domain.reverse() : domain;
+    };
+    c3_chart_internal_fn.getXDomainMin = function (targets) {
+        var $$ = this, config = $$.config;
+        return isDefined(config.axis_x_min) ?
+            ($$.isTimeSeries() ? this.parseDate(config.axis_x_min) : config.axis_x_min) :
+        $$.d3.min(targets, function (t) { return $$.d3.min(t.values, function (v) { return v.x; }); });
+    };
+    c3_chart_internal_fn.getXDomainMax = function (targets) {
+        var $$ = this, config = $$.config;
+        return isDefined(config.axis_x_max) ?
+            ($$.isTimeSeries() ? this.parseDate(config.axis_x_max) : config.axis_x_max) :
+        $$.d3.max(targets, function (t) { return $$.d3.max(t.values, function (v) { return v.x; }); });
+    };
+    c3_chart_internal_fn.getXDomainPadding = function (domain) {
+        var $$ = this, config = $$.config,
+            diff = domain[1] - domain[0],
+            maxDataCount, padding, paddingLeft, paddingRight;
+        if ($$.isCategorized()) {
+            padding = 0;
+        } else if ($$.hasType('bar')) {
+            maxDataCount = $$.getMaxDataCount();
+            padding = maxDataCount > 1 ? (diff / (maxDataCount - 1)) / 2 : 0.5;
+        } else {
+            padding = diff * 0.01;
+        }
+        if (typeof config.axis_x_padding === 'object' && notEmpty(config.axis_x_padding)) {
+            paddingLeft = isValue(config.axis_x_padding.left) ? config.axis_x_padding.left : padding;
+            paddingRight = isValue(config.axis_x_padding.right) ? config.axis_x_padding.right : padding;
+        } else if (typeof config.axis_x_padding === 'number') {
+            paddingLeft = paddingRight = config.axis_x_padding;
+        } else {
+            paddingLeft = paddingRight = padding;
+        }
+        return {left: paddingLeft, right: paddingRight};
+    };
+    c3_chart_internal_fn.getXDomain = function (targets) {
+        var $$ = this,
+            xDomain = [$$.getXDomainMin(targets), $$.getXDomainMax(targets)],
+            firstX = xDomain[0], lastX = xDomain[1],
+            padding = $$.getXDomainPadding(xDomain),
+            min = 0, max = 0;
+        // show center of x domain if min and max are the same
+        if ((firstX - lastX) === 0 && !$$.isCategorized()) {
+            if ($$.isTimeSeries()) {
+                firstX = new Date(firstX.getTime() * 0.5);
+                lastX = new Date(lastX.getTime() * 1.5);
+            } else {
+                firstX = firstX === 0 ? 1 : (firstX * 0.5);
+                lastX = lastX === 0 ? -1 : (lastX * 1.5);
+            }
+        }
+        if (firstX || firstX === 0) {
+            min = $$.isTimeSeries() ? new Date(firstX.getTime() - padding.left) : firstX - padding.left;
+        }
+        if (lastX || lastX === 0) {
+            max = $$.isTimeSeries() ? new Date(lastX.getTime() + padding.right) : lastX + padding.right;
+        }
+        return [min, max];
+    };
+    c3_chart_internal_fn.updateXDomain = function (targets, withUpdateXDomain, withUpdateOrgXDomain, withTrim, domain) {
+        var $$ = this, config = $$.config;
+
+        if (withUpdateOrgXDomain) {
+            $$.x.domain(domain ? domain : $$.d3.extent($$.getXDomain(targets)));
+            $$.orgXDomain = $$.x.domain();
+            if (config.zoom_enabled) { $$.zoom.scale($$.x).updateScaleExtent(); }
+            $$.subX.domain($$.x.domain());
+            if ($$.brush) { $$.brush.scale($$.subX); }
+        }
+        if (withUpdateXDomain) {
+            $$.x.domain(domain ? domain : (!$$.brush || $$.brush.empty()) ? $$.orgXDomain : $$.brush.extent());
+            if (config.zoom_enabled) { $$.zoom.scale($$.x).updateScaleExtent(); }
+        }
+
+        // Trim domain when too big by zoom mousemove event
+        if (withTrim) { $$.x.domain($$.trimXDomain($$.x.orgDomain())); }
+
+        return $$.x.domain();
+    };
+    c3_chart_internal_fn.trimXDomain = function (domain) {
+        var zoomDomain = this.getZoomDomain(),
+            min = zoomDomain[0], max = zoomDomain[1];
+        if (domain[0] <= min) {
+            domain[1] = +domain[1] + (min - domain[0]);
+            domain[0] = min;
+        }
+        if (max <= domain[1]) {
+            domain[0] = +domain[0] - (domain[1] - max);
+            domain[1] = max;
+        }
+        return domain;
+    };
+
+    c3_chart_internal_fn.isX = function (key) {
+        var $$ = this, config = $$.config;
+        return (config.data_x && key === config.data_x) || (notEmpty(config.data_xs) && hasValue(config.data_xs, key));
+    };
+    c3_chart_internal_fn.isNotX = function (key) {
+        return !this.isX(key);
+    };
+    c3_chart_internal_fn.getXKey = function (id) {
+        var $$ = this, config = $$.config;
+        return config.data_x ? config.data_x : notEmpty(config.data_xs) ? config.data_xs[id] : null;
+    };
+    c3_chart_internal_fn.getXValuesOfXKey = function (key, targets) {
+        var $$ = this,
+            xValues, ids = targets && notEmpty(targets) ? $$.mapToIds(targets) : [];
+        ids.forEach(function (id) {
+            if ($$.getXKey(id) === key) {
+                xValues = $$.data.xs[id];
+            }
+        });
+        return xValues;
+    };
+    c3_chart_internal_fn.getIndexByX = function (x) {
+        var $$ = this,
+            data = $$.filterByX($$.data.targets, x);
+        return data.length ? data[0].index : null;
+    };
+    c3_chart_internal_fn.getXValue = function (id, i) {
+        var $$ = this;
+        return id in $$.data.xs && $$.data.xs[id] && isValue($$.data.xs[id][i]) ? $$.data.xs[id][i] : i;
+    };
+    c3_chart_internal_fn.getOtherTargetXs = function () {
+        var $$ = this,
+            idsForX = Object.keys($$.data.xs);
+        return idsForX.length ? $$.data.xs[idsForX[0]] : null;
+    };
+    c3_chart_internal_fn.getOtherTargetX = function (index) {
+        var xs = this.getOtherTargetXs();
+        return xs && index < xs.length ? xs[index] : null;
+    };
+    c3_chart_internal_fn.addXs = function (xs) {
+        var $$ = this;
+        Object.keys(xs).forEach(function (id) {
+            $$.config.data_xs[id] = xs[id];
+        });
+    };
+    c3_chart_internal_fn.hasMultipleX = function (xs) {
+        return this.d3.set(Object.keys(xs).map(function (id) { return xs[id]; })).size() > 1;
+    };
+    c3_chart_internal_fn.isMultipleX = function () {
+        return notEmpty(this.config.data_xs) || !this.config.data_xSort || this.hasType('scatter');
+    };
+    c3_chart_internal_fn.addName = function (data) {
+        var $$ = this, name;
+        if (data) {
+            name = $$.config.data_names[data.id];
+            data.name = name !== undefined ? name : data.id;
+        }
+        return data;
+    };
+    c3_chart_internal_fn.getValueOnIndex = function (values, index) {
+        var valueOnIndex = values.filter(function (v) { return v.index === index; });
+        return valueOnIndex.length ? valueOnIndex[0] : null;
+    };
+    c3_chart_internal_fn.updateTargetX = function (targets, x) {
+        var $$ = this;
+        targets.forEach(function (t) {
+            t.values.forEach(function (v, i) {
+                v.x = $$.generateTargetX(x[i], t.id, i);
+            });
+            $$.data.xs[t.id] = x;
+        });
+    };
+    c3_chart_internal_fn.updateTargetXs = function (targets, xs) {
+        var $$ = this;
+        targets.forEach(function (t) {
+            if (xs[t.id]) {
+                $$.updateTargetX([t], xs[t.id]);
+            }
+        });
+    };
+    c3_chart_internal_fn.generateTargetX = function (rawX, id, index) {
+        var $$ = this, x;
+        if ($$.isTimeSeries()) {
+            x = rawX ? $$.parseDate(rawX) : $$.parseDate($$.getXValue(id, index));
+        }
+        else if ($$.isCustomX() && !$$.isCategorized()) {
+            x = isValue(rawX) ? +rawX : $$.getXValue(id, index);
+        }
+        else {
+            x = index;
+        }
+        return x;
+    };
+    c3_chart_internal_fn.cloneTarget = function (target) {
+        return {
+            id : target.id,
+            id_org : target.id_org,
+            values : target.values.map(function (d) {
+                return {x: d.x, value: d.value, id: d.id};
+            })
+        };
+    };
+    c3_chart_internal_fn.updateXs = function () {
+        var $$ = this;
+        if ($$.data.targets.length) {
+            $$.xs = [];
+            $$.data.targets[0].values.forEach(function (v) {
+                $$.xs[v.index] = v.x;
+            });
+        }
+    };
+    c3_chart_internal_fn.getPrevX = function (i) {
+        var x = this.xs[i - 1];
+        return typeof x !== 'undefined' ? x : null;
+    };
+    c3_chart_internal_fn.getNextX = function (i) {
+        var x = this.xs[i + 1];
+        return typeof x !== 'undefined' ? x : null;
+    };
+    c3_chart_internal_fn.getMaxDataCount = function () {
+        var $$ = this;
+        return $$.d3.max($$.data.targets, function (t) { return t.values.length; });
+    };
+    c3_chart_internal_fn.getMaxDataCountTarget = function (targets) {
+        var length = targets.length, max = 0, maxTarget;
+        if (length > 1) {
+            targets.forEach(function (t) {
+                if (t.values.length > max) {
+                    maxTarget = t;
+                    max = t.values.length;
+                }
+            });
+        } else {
+            maxTarget = length ? targets[0] : null;
+        }
+        return maxTarget;
+    };
+    c3_chart_internal_fn.getEdgeX = function (targets) {
+        var $$ = this;
+        return !targets.length ? [0, 0] : [
+            $$.d3.min(targets, function (t) { return t.values[0].x; }),
+            $$.d3.max(targets, function (t) { return t.values[t.values.length - 1].x; })
+        ];
+    };
+    c3_chart_internal_fn.mapToIds = function (targets) {
+        return targets.map(function (d) { return d.id; });
+    };
+    c3_chart_internal_fn.mapToTargetIds = function (ids) {
+        var $$ = this;
+        return ids ? [].concat(ids) : $$.mapToIds($$.data.targets);
+    };
+    c3_chart_internal_fn.hasTarget = function (targets, id) {
+        var ids = this.mapToIds(targets), i;
+        for (i = 0; i < ids.length; i++) {
+            if (ids[i] === id) {
+                return true;
+            }
+        }
+        return false;
+    };
+    c3_chart_internal_fn.isTargetToShow = function (targetId) {
+        return this.hiddenTargetIds.indexOf(targetId) < 0;
+    };
+    c3_chart_internal_fn.isLegendToShow = function (targetId) {
+        return this.hiddenLegendIds.indexOf(targetId) < 0;
+    };
+    c3_chart_internal_fn.filterTargetsToShow = function (targets) {
+        var $$ = this;
+        return targets.filter(function (t) { return $$.isTargetToShow(t.id); });
+    };
+    c3_chart_internal_fn.mapTargetsToUniqueXs = function (targets) {
+        var $$ = this;
+        var xs = $$.d3.set($$.d3.merge(targets.map(function (t) { return t.values.map(function (v) { return +v.x; }); }))).values();
+        xs = $$.isTimeSeries() ? xs.map(function (x) { return new Date(+x); }) : xs.map(function (x) { return +x; });
+        return xs.sort(function (a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; });
+    };
+    c3_chart_internal_fn.addHiddenTargetIds = function (targetIds) {
+        this.hiddenTargetIds = this.hiddenTargetIds.concat(targetIds);
+    };
+    c3_chart_internal_fn.removeHiddenTargetIds = function (targetIds) {
+        this.hiddenTargetIds = this.hiddenTargetIds.filter(function (id) { return targetIds.indexOf(id) < 0; });
+    };
+    c3_chart_internal_fn.addHiddenLegendIds = function (targetIds) {
+        this.hiddenLegendIds = this.hiddenLegendIds.concat(targetIds);
+    };
+    c3_chart_internal_fn.removeHiddenLegendIds = function (targetIds) {
+        this.hiddenLegendIds = this.hiddenLegendIds.filter(function (id) { return targetIds.indexOf(id) < 0; });
+    };
+    c3_chart_internal_fn.getValuesAsIdKeyed = function (targets) {
+        var ys = {};
+        targets.forEach(function (t) {
+            ys[t.id] = [];
+            t.values.forEach(function (v) {
+                ys[t.id].push(v.value);
+            });
+        });
+        return ys;
+    };
+    c3_chart_internal_fn.checkValueInTargets = function (targets, checker) {
+        var ids = Object.keys(targets), i, j, values;
+        for (i = 0; i < ids.length; i++) {
+            values = targets[ids[i]].values;
+            for (j = 0; j < values.length; j++) {
+                if (checker(values[j].value)) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    };
+    c3_chart_internal_fn.hasNegativeValueInTargets = function (targets) {
+        return this.checkValueInTargets(targets, function (v) { return v < 0; });
+    };
+    c3_chart_internal_fn.hasPositiveValueInTargets = function (targets) {
+        return this.checkValueInTargets(targets, function (v) { return v > 0; });
+    };
+    c3_chart_internal_fn.isOrderDesc = function () {
+        var config = this.config;
+        return typeof(config.data_order) === 'string' && config.data_order.toLowerCase() === 'desc';
+    };
+    c3_chart_internal_fn.isOrderAsc = function () {
+        var config = this.config;
+        return typeof(config.data_order) === 'string' && config.data_order.toLowerCase() === 'asc';
+    };
+    c3_chart_internal_fn.orderTargets = function (targets) {
+        var $$ = this, config = $$.config, orderAsc = $$.isOrderAsc(), orderDesc = $$.isOrderDesc();
+        if (orderAsc || orderDesc) {
+            targets.sort(function (t1, t2) {
+                var reducer = function (p, c) { return p + Math.abs(c.value); };
+                var t1Sum = t1.values.reduce(reducer, 0),
+                    t2Sum = t2.values.reduce(reducer, 0);
+                return orderAsc ? t2Sum - t1Sum : t1Sum - t2Sum;
+            });
+        } else if (isFunction(config.data_order)) {
+            targets.sort(config.data_order);
+        } // TODO: accept name array for order
+        return targets;
+    };
+    c3_chart_internal_fn.filterByX = function (targets, x) {
+        return this.d3.merge(targets.map(function (t) { return t.values; })).filter(function (v) { return v.x - x === 0; });
+    };
+    c3_chart_internal_fn.filterRemoveNull = function (data) {
+        return data.filter(function (d) { return isValue(d.value); });
+    };
+    c3_chart_internal_fn.filterByXDomain = function (targets, xDomain) {
+        return targets.map(function (t) {
+            return {
+                id: t.id,
+                id_org: t.id_org,
+                values: t.values.filter(function (v) {
+                    return xDomain[0] <= v.x && v.x <= xDomain[1];
+                })
+            };
+        });
+    };
+    c3_chart_internal_fn.hasDataLabel = function () {
+        var config = this.config;
+        if (typeof config.data_labels === 'boolean' && config.data_labels) {
+            return true;
+        } else if (typeof config.data_labels === 'object' && notEmpty(config.data_labels)) {
+            return true;
+        }
+        return false;
+    };
+    c3_chart_internal_fn.getDataLabelLength = function (min, max, key) {
+        var $$ = this,
+            lengths = [0, 0], paddingCoef = 1.3;
+        $$.selectChart.select('svg').selectAll('.dummy')
+            .data([min, max])
+            .enter().append('text')
+            .text(function (d) { return $$.dataLabelFormat(d.id)(d); })
+            .each(function (d, i) {
+                lengths[i] = this.getBoundingClientRect()[key] * paddingCoef;
+            })
+            .remove();
+        return lengths;
+    };
+    c3_chart_internal_fn.isNoneArc = function (d) {
+        return this.hasTarget(this.data.targets, d.id);
+    },
+    c3_chart_internal_fn.isArc = function (d) {
+        return 'data' in d && this.hasTarget(this.data.targets, d.data.id);
+    };
+    c3_chart_internal_fn.findSameXOfValues = function (values, index) {
+        var i, targetX = values[index].x, sames = [];
+        for (i = index - 1; i >= 0; i--) {
+            if (targetX !== values[i].x) { break; }
+            sames.push(values[i]);
+        }
+        for (i = index; i < values.length; i++) {
+            if (targetX !== values[i].x) { break; }
+            sames.push(values[i]);
+        }
+        return sames;
+    };
+
+    c3_chart_internal_fn.findClosestFromTargets = function (targets, pos) {
+        var $$ = this, candidates;
+
+        // map to array of closest points of each target
+        candidates = targets.map(function (target) {
+            return $$.findClosest(target.values, pos);
+        });
+
+        // decide closest point and return
+        return $$.findClosest(candidates, pos);
+    };
+    c3_chart_internal_fn.findClosest = function (values, pos) {
+        var $$ = this, minDist = $$.config.point_sensitivity, closest;
+
+        // find mouseovering bar
+        values.filter(function (v) { return v && $$.isBarType(v.id); }).forEach(function (v) {
+            var shape = $$.main.select('.' + CLASS.bars + $$.getTargetSelectorSuffix(v.id) + ' .' + CLASS.bar + '-' + v.index).node();
+            if (!closest && $$.isWithinBar(shape)) {
+                closest = v;
+            }
+        });
+
+        // find closest point from non-bar
+        values.filter(function (v) { return v && !$$.isBarType(v.id); }).forEach(function (v) {
+            var d = $$.dist(v, pos);
+            if (d < minDist) {
+                minDist = d;
+                closest = v;
+            }
+        });
+
+        return closest;
+    };
+    c3_chart_internal_fn.dist = function (data, pos) {
+        var $$ = this, config = $$.config,
+            xIndex = config.axis_rotated ? 1 : 0,
+            yIndex = config.axis_rotated ? 0 : 1,
+            y = $$.circleY(data, data.index),
+            x = $$.x(data.x);
+        return Math.sqrt(Math.pow(x - pos[xIndex], 2) + Math.pow(y - pos[yIndex], 2));
+    };
+    c3_chart_internal_fn.convertValuesToStep = function (values) {
+        var converted = [].concat(values), i;
+
+        if (!this.isCategorized()) {
+            return values;
+        }
+
+        for (i = values.length + 1; 0 < i; i--) {
+            converted[i] = converted[i - 1];
+        }
+
+        converted[0] = {
+            x: converted[0].x - 1,
+            value: converted[0].value,
+            id: converted[0].id
+        };
+        converted[values.length + 1] = {
+            x: converted[values.length].x + 1,
+            value: converted[values.length].value,
+            id: converted[values.length].id
+        };
+
+        return converted;
+    };
+    c3_chart_internal_fn.updateDataAttributes = function (name, attrs) {
+        var $$ = this, config = $$.config, current = config['data_' + name];
+        if (typeof attrs === 'undefined') { return current; }
+        Object.keys(attrs).forEach(function (id) {
+            current[id] = attrs[id];
+        });
+        $$.redraw({withLegend: true});
+        return current;
+    };
+
+    c3_chart_internal_fn.convertUrlToData = function (url, mimeType, keys, done) {
+        var $$ = this, type = mimeType ? mimeType : 'csv';
+        $$.d3.xhr(url, function (error, data) {
+            var d;
+            if (!data) {
+                throw new Error(error.responseURL + ' ' + error.status + ' (' + error.statusText + ')');
+            }
+            if (type === 'json') {
+                d = $$.convertJsonToData(JSON.parse(data.response), keys);
+            } else if (type === 'tsv') {
+                d = $$.convertTsvToData(data.response);
+            } else {
+                d = $$.convertCsvToData(data.response);
+            }
+            done.call($$, d);
+        });
+    };
+    c3_chart_internal_fn.convertXsvToData = function (xsv, parser) {
+        var rows = parser.parseRows(xsv), d;
+        if (rows.length === 1) {
+            d = [{}];
+            rows[0].forEach(function (id) {
+                d[0][id] = null;
+            });
+        } else {
+            d = parser.parse(xsv);
+        }
+        return d;
+    };
+    c3_chart_internal_fn.convertCsvToData = function (csv) {
+        return this.convertXsvToData(csv, this.d3.csv);
+    };
+    c3_chart_internal_fn.convertTsvToData = function (tsv) {
+        return this.convertXsvToData(tsv, this.d3.tsv);
+    };
+    c3_chart_internal_fn.convertJsonToData = function (json, keys) {
+        var $$ = this,
+            new_rows = [], targetKeys, data;
+        if (keys) { // when keys specified, json would be an array that includes objects
+            if (keys.x) {
+                targetKeys = keys.value.concat(keys.x);
+                $$.config.data_x = keys.x;
+            } else {
+                targetKeys = keys.value;
+            }
+            new_rows.push(targetKeys);
+            json.forEach(function (o) {
+                var new_row = [];
+                targetKeys.forEach(function (key) {
+                    // convert undefined to null because undefined data will be removed in convertDataToTargets()
+                    var v = isUndefined(o[key]) ? null : o[key];
+                    new_row.push(v);
+                });
+                new_rows.push(new_row);
+            });
+            data = $$.convertRowsToData(new_rows);
+        } else {
+            Object.keys(json).forEach(function (key) {
+                new_rows.push([key].concat(json[key]));
+            });
+            data = $$.convertColumnsToData(new_rows);
+        }
+        return data;
+    };
+    c3_chart_internal_fn.convertRowsToData = function (rows) {
+        var keys = rows[0], new_row = {}, new_rows = [], i, j;
+        for (i = 1; i < rows.length; i++) {
+            new_row = {};
+            for (j = 0; j < rows[i].length; j++) {
+                if (isUndefined(rows[i][j])) {
+                    throw new Error("Source data is missing a component at (" + i + "," + j + ")!");
+                }
+                new_row[keys[j]] = rows[i][j];
+            }
+            new_rows.push(new_row);
+        }
+        return new_rows;
+    };
+    c3_chart_internal_fn.convertColumnsToData = function (columns) {
+        var new_rows = [], i, j, key;
+        for (i = 0; i < columns.length; i++) {
+            key = columns[i][0];
+            for (j = 1; j < columns[i].length; j++) {
+                if (isUndefined(new_rows[j - 1])) {
+                    new_rows[j - 1] = {};
+                }
+                if (isUndefined(columns[i][j])) {
+                    throw new Error("Source data is missing a component at (" + i + "," + j + ")!");
+                }
+                new_rows[j - 1][key] = columns[i][j];
+            }
+        }
+        return new_rows;
+    };
+    c3_chart_internal_fn.convertDataToTargets = function (data, appendXs) {
+        var $$ = this, config = $$.config,
+            ids = $$.d3.keys(data[0]).filter($$.isNotX, $$),
+            xs = $$.d3.keys(data[0]).filter($$.isX, $$),
+            targets;
+
+        // save x for update data by load when custom x and c3.x API
+        ids.forEach(function (id) {
+            var xKey = $$.getXKey(id);
+
+            if ($$.isCustomX() || $$.isTimeSeries()) {
+                // if included in input data
+                if (xs.indexOf(xKey) >= 0) {
+                    $$.data.xs[id] = (appendXs && $$.data.xs[id] ? $$.data.xs[id] : []).concat(
+                        data.map(function (d) { return d[xKey]; })
+                            .filter(isValue)
+                            .map(function (rawX, i) { return $$.generateTargetX(rawX, id, i); })
+                    );
+                }
+                // if not included in input data, find from preloaded data of other id's x
+                else if (config.data_x) {
+                    $$.data.xs[id] = $$.getOtherTargetXs();
+                }
+                // if not included in input data, find from preloaded data
+                else if (notEmpty(config.data_xs)) {
+                    $$.data.xs[id] = $$.getXValuesOfXKey(xKey, $$.data.targets);
+                }
+                // MEMO: if no x included, use same x of current will be used
+            } else {
+                $$.data.xs[id] = data.map(function (d, i) { return i; });
+            }
+        });
+
+
+        // check x is defined
+        ids.forEach(function (id) {
+            if (!$$.data.xs[id]) {
+                throw new Error('x is not defined for id = "' + id + '".');
+            }
+        });
+
+        // convert to target
+        targets = ids.map(function (id, index) {
+            var convertedId = config.data_idConverter(id);
+            return {
+                id: convertedId,
+                id_org: id,
+                values: data.map(function (d, i) {
+                    var xKey = $$.getXKey(id), rawX = d[xKey], x = $$.generateTargetX(rawX, id, i),
+                        value = d[id] !== null && !isNaN(d[id]) ? +d[id] : null;
+                    // use x as categories if custom x and categorized
+                    if ($$.isCustomX() && $$.isCategorized() && index === 0 && rawX) {
+                        if (i === 0) { config.axis_x_categories = []; }
+                        config.axis_x_categories.push(rawX);
+                    }
+                    // mark as x = undefined if value is undefined and filter to remove after mapped
+                    if (isUndefined(d[id]) || $$.data.xs[id].length <= i) {
+                        x = undefined;
+                    }
+                    return {x: x, value: value, id: convertedId};
+                }).filter(function (v) { return isDefined(v.x); })
+            };
+        });
+
+        // finish targets
+        targets.forEach(function (t) {
+            var i;
+            // sort values by its x
+            if (config.data_xSort) {
+                t.values = t.values.sort(function (v1, v2) {
+                    var x1 = v1.x || v1.x === 0 ? v1.x : Infinity,
+                        x2 = v2.x || v2.x === 0 ? v2.x : Infinity;
+                    return x1 - x2;
+                });
+            }
+            // indexing each value
+            i = 0;
+            t.values.forEach(function (v) {
+                v.index = i++;
+            });
+            // this needs to be sorted because its index and value.index is identical
+            $$.data.xs[t.id].sort(function (v1, v2) {
+                return v1 - v2;
+            });
+        });
+
+        // cache information about values
+        $$.hasNegativeValue = $$.hasNegativeValueInTargets(targets);
+        $$.hasPositiveValue = $$.hasPositiveValueInTargets(targets);
+
+        // set target types
+        if (config.data_type) {
+            $$.setTargetType($$.mapToIds(targets).filter(function (id) { return ! (id in config.data_types); }), config.data_type);
+        }
+
+        // cache as original id keyed
+        targets.forEach(function (d) {
+            $$.addCache(d.id_org, d);
+        });
+
+        return targets;
+    };
+
+    c3_chart_internal_fn.load = function (targets, args) {
+        var $$ = this;
+        if (targets) {
+            // filter loading targets if needed
+            if (args.filter) {
+                targets = targets.filter(args.filter);
+            }
+            // set type if args.types || args.type specified
+            if (args.type || args.types) {
+                targets.forEach(function (t) {
+                    var type = args.types && args.types[t.id] ? args.types[t.id] : args.type;
+                    $$.setTargetType(t.id, type);
+                });
+            }
+            // Update/Add data
+            $$.data.targets.forEach(function (d) {
+                for (var i = 0; i < targets.length; i++) {
+                    if (d.id === targets[i].id) {
+                        d.values = targets[i].values;
+                        targets.splice(i, 1);
+                        break;
+                    }
+                }
+            });
+            $$.data.targets = $$.data.targets.concat(targets); // add remained
+        }
+
+        // Set targets
+        $$.updateTargets($$.data.targets);
+
+        // Redraw with new targets
+        $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
+
+        if (args.done) { args.done(); }
+    };
+    c3_chart_internal_fn.loadFromArgs = function (args) {
+        var $$ = this;
+        if (args.data) {
+            $$.load($$.convertDataToTargets(args.data), args);
+        }
+        else if (args.url) {
+            $$.convertUrlToData(args.url, args.mimeType, args.keys, function (data) {
+                $$.load($$.convertDataToTargets(data), args);
+            });
+        }
+        else if (args.json) {
+            $$.load($$.convertDataToTargets($$.convertJsonToData(args.json, args.keys)), args);
+        }
+        else if (args.rows) {
+            $$.load($$.convertDataToTargets($$.convertRowsToData(args.rows)), args);
+        }
+        else if (args.columns) {
+            $$.load($$.convertDataToTargets($$.convertColumnsToData(args.columns)), args);
+        }
+        else {
+            $$.load(null, args);
+        }
+    };
+    c3_chart_internal_fn.unload = function (targetIds, done) {
+        var $$ = this;
+        if (!done) {
+            done = function () {};
+        }
+        // filter existing target
+        targetIds = targetIds.filter(function (id) { return $$.hasTarget($$.data.targets, id); });
+        // If no target, call done and return
+        if (!targetIds || targetIds.length === 0) {
+            done();
+            return;
+        }
+        $$.svg.selectAll(targetIds.map(function (id) { return $$.selectorTarget(id); }))
+            .transition()
+            .style('opacity', 0)
+            .remove()
+            .call($$.endall, done);
+        targetIds.forEach(function (id) {
+            // Reset fadein for future load
+            $$.withoutFadeIn[id] = false;
+            // Remove target's elements
+            if ($$.legend) {
+                $$.legend.selectAll('.' + CLASS.legendItem + $$.getTargetSelectorSuffix(id)).remove();
+            }
+            // Remove target
+            $$.data.targets = $$.data.targets.filter(function (t) {
+                return t.id !== id;
+            });
+        });
+    };
+
+    c3_chart_internal_fn.categoryName = function (i) {
+        var config = this.config;
+        return i < config.axis_x_categories.length ? config.axis_x_categories[i] : i;
+    };
+
+    c3_chart_internal_fn.initEventRect = function () {
+        var $$ = this;
+        $$.main.select('.' + CLASS.chart).append("g")
+            .attr("class", CLASS.eventRects)
+            .style('fill-opacity', 0);
+    };
+    c3_chart_internal_fn.redrawEventRect = function () {
+        var $$ = this, config = $$.config,
+            eventRectUpdate, maxDataCountTarget,
+            isMultipleX = $$.isMultipleX();
+
+        // rects for mouseover
+        var eventRects = $$.main.select('.' + CLASS.eventRects)
+                .style('cursor', config.zoom_enabled ? config.axis_rotated ? 'ns-resize' : 'ew-resize' : null)
+                .classed(CLASS.eventRectsMultiple, isMultipleX)
+                .classed(CLASS.eventRectsSingle, !isMultipleX);
+
+        // clear old rects
+        eventRects.selectAll('.' + CLASS.eventRect).remove();
+
+        // open as public variable
+        $$.eventRect = eventRects.selectAll('.' + CLASS.eventRect);
+
+        if (isMultipleX) {
+            eventRectUpdate = $$.eventRect.data([0]);
+            // enter : only one rect will be added
+            $$.generateEventRectsForMultipleXs(eventRectUpdate.enter());
+            // update
+            $$.updateEventRect(eventRectUpdate);
+            // exit : not needed because always only one rect exists
+        }
+        else {
+            // Set data and update $$.eventRect
+            maxDataCountTarget = $$.getMaxDataCountTarget($$.data.targets);
+            eventRects.datum(maxDataCountTarget ? maxDataCountTarget.values : []);
+            $$.eventRect = eventRects.selectAll('.' + CLASS.eventRect);
+            eventRectUpdate = $$.eventRect.data(function (d) { return d; });
+            // enter
+            $$.generateEventRectsForSingleX(eventRectUpdate.enter());
+            // update
+            $$.updateEventRect(eventRectUpdate);
+            // exit
+            eventRectUpdate.exit().remove();
+        }
+    };
+    c3_chart_internal_fn.updateEventRect = function (eventRectUpdate) {
+        var $$ = this, config = $$.config,
+            x, y, w, h, rectW, rectX;
+
+        // set update selection if null
+        eventRectUpdate = eventRectUpdate || $$.eventRect.data(function (d) { return d; });
+
+        if ($$.isMultipleX()) {
+            // TODO: rotated not supported yet
+            x = 0;
+            y = 0;
+            w = $$.width;
+            h = $$.height;
+        }
+        else {
+            if (($$.isCustomX() || $$.isTimeSeries()) && !$$.isCategorized()) {
+
+                // update index for x that is used by prevX and nextX
+                $$.updateXs();
+
+                rectW = function (d) {
+                    var prevX = $$.getPrevX(d.index), nextX = $$.getNextX(d.index);
+
+                    // if there this is a single data point make the eventRect full width (or height)
+                    if (prevX === null && nextX === null) {
+                        return config.axis_rotated ? $$.height : $$.width;
+                    }
+
+                    if (prevX === null) { prevX = $$.x.domain()[0]; }
+                    if (nextX === null) { nextX = $$.x.domain()[1]; }
+
+                    return Math.max(0, ($$.x(nextX) - $$.x(prevX)) / 2);
+                };
+                rectX = function (d) {
+                    var prevX = $$.getPrevX(d.index), nextX = $$.getNextX(d.index),
+                        thisX = $$.data.xs[d.id][d.index];
+
+                    // if there this is a single data point position the eventRect at 0
+                    if (prevX === null && nextX === null) {
+                        return 0;
+                    }
+
+                    if (prevX === null) { prevX = $$.x.domain()[0]; }
+
+                    return ($$.x(thisX) + $$.x(prevX)) / 2;
+                };
+            } else {
+                rectW = $$.getEventRectWidth();
+                rectX = function (d) {
+                    return $$.x(d.x) - (rectW / 2);
+                };
+            }
+            x = config.axis_rotated ? 0 : rectX;
+            y = config.axis_rotated ? rectX : 0;
+            w = config.axis_rotated ? $$.width : rectW;
+            h = config.axis_rotated ? rectW : $$.height;
+        }
+
+        eventRectUpdate
+            .attr('class', $$.classEvent.bind($$))
+            .attr("x", x)
+            .attr("y", y)
+            .attr("width", w)
+            .attr("height", h);
+    };
+    c3_chart_internal_fn.generateEventRectsForSingleX = function (eventRectEnter) {
+        var $$ = this, d3 = $$.d3, config = $$.config;
+        eventRectEnter.append("rect")
+            .attr("class", $$.classEvent.bind($$))
+            .style("cursor", config.data_selection_enabled && config.data_selection_grouped ? "pointer" : null)
+            .on('mouseover', function (d) {
+                var index = d.index;
+
+                if ($$.dragging || $$.flowing) { return; } // do nothing while dragging/flowing
+                if ($$.hasArcType()) { return; }
+
+                // Expand shapes for selection
+                if (config.point_focus_expand_enabled) { $$.expandCircles(index, null, true); }
+                $$.expandBars(index, null, true);
+
+                // Call event handler
+                $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
+                    config.data_onmouseover.call($$.api, d);
+                });
+            })
+            .on('mouseout', function (d) {
+                var index = d.index;
+                if (!$$.config) { return; } // chart is destroyed
+                if ($$.hasArcType()) { return; }
+                $$.hideXGridFocus();
+                $$.hideTooltip();
+                // Undo expanded shapes
+                $$.unexpandCircles();
+                $$.unexpandBars();
+                // Call event handler
+                $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
+                    config.data_onmouseout.call($$.api, d);
+                });
+            })
+            .on('mousemove', function (d) {
+                var selectedData, index = d.index,
+                    eventRect = $$.svg.select('.' + CLASS.eventRect + '-' + index);
+
+                if ($$.dragging || $$.flowing) { return; } // do nothing while dragging/flowing
+                if ($$.hasArcType()) { return; }
+
+                if ($$.isStepType(d) && $$.config.line_step_type === 'step-after' && d3.mouse(this)[0] < $$.x($$.getXValue(d.id, index))) {
+                    index -= 1;
+                }
+
+                // Show tooltip
+                selectedData = $$.filterTargetsToShow($$.data.targets).map(function (t) {
+                    return $$.addName($$.getValueOnIndex(t.values, index));
+                });
+
+                if (config.tooltip_grouped) {
+                    $$.showTooltip(selectedData, this);
+                    $$.showXGridFocus(selectedData);
+                }
+
+                if (config.tooltip_grouped && (!config.data_selection_enabled || config.data_selection_grouped)) {
+                    return;
+                }
+
+                $$.main.selectAll('.' + CLASS.shape + '-' + index)
+                    .each(function () {
+                        d3.select(this).classed(CLASS.EXPANDED, true);
+                        if (config.data_selection_enabled) {
+                            eventRect.style('cursor', config.data_selection_grouped ? 'pointer' : null);
+                        }
+                        if (!config.tooltip_grouped) {
+                            $$.hideXGridFocus();
+                            $$.hideTooltip();
+                            if (!config.data_selection_grouped) {
+                                $$.unexpandCircles(index);
+                                $$.unexpandBars(index);
+                            }
+                        }
+                    })
+                    .filter(function (d) {
+                        return $$.isWithinShape(this, d);
+                    })
+                    .each(function (d) {
+                        if (config.data_selection_enabled && (config.data_selection_grouped || config.data_selection_isselectable(d))) {
+                            eventRect.style('cursor', 'pointer');
+                        }
+                        if (!config.tooltip_grouped) {
+                            $$.showTooltip([d], this);
+                            $$.showXGridFocus([d]);
+                            if (config.point_focus_expand_enabled) { $$.expandCircles(index, d.id, true); }
+                            $$.expandBars(index, d.id, true);
+                        }
+                    });
+            })
+            .on('click', function (d) {
+                var index = d.index;
+                if ($$.hasArcType() || !$$.toggleShape) { return; }
+                if ($$.cancelClick) {
+                    $$.cancelClick = false;
+                    return;
+                }
+                if ($$.isStepType(d) && config.line_step_type === 'step-after' && d3.mouse(this)[0] < $$.x($$.getXValue(d.id, index))) {
+                    index -= 1;
+                }
+                $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
+                    if (config.data_selection_grouped || $$.isWithinShape(this, d)) {
+                        $$.toggleShape(this, d, index);
+                        $$.config.data_onclick.call($$.api, d, this);
+                    }
+                });
+            })
+            .call(
+                config.data_selection_draggable && $$.drag ? (
+                    d3.behavior.drag().origin(Object)
+                        .on('drag', function () { $$.drag(d3.mouse(this)); })
+                        .on('dragstart', function () { $$.dragstart(d3.mouse(this)); })
+                        .on('dragend', function () { $$.dragend(); })
+                ) : function () {}
+            );
+    };
+
+    c3_chart_internal_fn.generateEventRectsForMultipleXs = function (eventRectEnter) {
+        var $$ = this, d3 = $$.d3, config = $$.config;
+
+        function mouseout() {
+            $$.svg.select('.' + CLASS.eventRect).style('cursor', null);
+            $$.hideXGridFocus();
+            $$.hideTooltip();
+            $$.unexpandCircles();
+            $$.unexpandBars();
+        }
+
+        eventRectEnter.append('rect')
+            .attr('x', 0)
+            .attr('y', 0)
+            .attr('width', $$.width)
+            .attr('height', $$.height)
+            .attr('class', CLASS.eventRect)
+            .on('mouseout', function () {
+                if (!$$.config) { return; } // chart is destroyed
+                if ($$.hasArcType()) { return; }
+                mouseout();
+            })
+            .on('mousemove', function () {
+                var targetsToShow = $$.filterTargetsToShow($$.data.targets);
+                var mouse, closest, sameXData, selectedData;
+
+                if ($$.dragging) { return; } // do nothing when dragging
+                if ($$.hasArcType(targetsToShow)) { return; }
+
+                mouse = d3.mouse(this);
+                closest = $$.findClosestFromTargets(targetsToShow, mouse);
+
+                if ($$.mouseover && (!closest || closest.id !== $$.mouseover.id)) {
+                    config.data_onmouseout.call($$.api, $$.mouseover);
+                    $$.mouseover = undefined;
+                }
+
+                if (! closest) {
+                    mouseout();
+                    return;
+                }
+
+                if ($$.isScatterType(closest) || !config.tooltip_grouped) {
+                    sameXData = [closest];
+                } else {
+                    sameXData = $$.filterByX(targetsToShow, closest.x);
+                }
+
+                // show tooltip when cursor is close to some point
+                selectedData = sameXData.map(function (d) {
+                    return $$.addName(d);
+                });
+                $$.showTooltip(selectedData, this);
+
+                // expand points
+                if (config.point_focus_expand_enabled) {
+                    $$.expandCircles(closest.index, closest.id, true);
+                }
+                $$.expandBars(closest.index, closest.id, true);
+
+                // Show xgrid focus line
+                $$.showXGridFocus(selectedData);
+
+                // Show cursor as pointer if point is close to mouse position
+                if ($$.isBarType(closest.id) || $$.dist(closest, mouse) < config.point_sensitivity) {
+                    $$.svg.select('.' + CLASS.eventRect).style('cursor', 'pointer');
+                    if (!$$.mouseover) {
+                        config.data_onmouseover.call($$.api, closest);
+                        $$.mouseover = closest;
+                    }
+                }
+            })
+            .on('click', function () {
+                var targetsToShow = $$.filterTargetsToShow($$.data.targets);
+                var mouse, closest;
+                if ($$.hasArcType(targetsToShow)) { return; }
+
+                mouse = d3.mouse(this);
+                closest = $$.findClosestFromTargets(targetsToShow, mouse);
+                if (! closest) { return; }
+                // select if selection enabled
+                if ($$.isBarType(closest.id) || $$.dist(closest, mouse) < config.point_sensitivity) {
+                    $$.main.selectAll('.' + CLASS.shapes + $$.getTargetSelectorSuffix(closest.id)).selectAll('.' + CLASS.shape + '-' + closest.index).each(function () {
+                        if (config.data_selection_grouped || $$.isWithinShape(this, closest)) {
+                            $$.toggleShape(this, closest, closest.index);
+                            $$.config.data_onclick.call($$.api, closest, this);
+                        }
+                    });
+                }
+            })
+            .call(
+                config.data_selection_draggable && $$.drag ? (
+                    d3.behavior.drag().origin(Object)
+                        .on('drag', function () { $$.drag(d3.mouse(this)); })
+                        .on('dragstart', function () { $$.dragstart(d3.mouse(this)); })
+                        .on('dragend', function () { $$.dragend(); })
+                ) : function () {}
+            );
+    };
+    c3_chart_internal_fn.dispatchEvent = function (type, index, mouse) {
+        var $$ = this,
+            selector = '.' + CLASS.eventRect + (!$$.isMultipleX() ? '-' + index : ''),
+            eventRect = $$.main.select(selector).node(),
+            box = eventRect.getBoundingClientRect(),
+            x = box.left + (mouse ? mouse[0] : 0),
+            y = box.top + (mouse ? mouse[1] : 0),
+            event = document.createEvent("MouseEvents");
+
+        event.initMouseEvent(type, true, true, window, 0, x, y, x, y,
+                             false, false, false, false, 0, null);
+        eventRect.dispatchEvent(event);
+    };
+
+    c3_chart_internal_fn.getCurrentWidth = function () {
+        var $$ = this, config = $$.config;
+        return config.size_width ? config.size_width : $$.getParentWidth();
+    };
+    c3_chart_internal_fn.getCurrentHeight = function () {
+        var $$ = this, config = $$.config,
+            h = config.size_height ? config.size_height : $$.getParentHeight();
+        return h > 0 ? h : 320 / ($$.hasType('gauge') ? 2 : 1);
+    };
+    c3_chart_internal_fn.getCurrentPaddingTop = function () {
+        var $$ = this,
+            config = $$.config,
+            padding = isValue(config.padding_top) ? config.padding_top : 0;
+        if ($$.title && $$.title.node()) {
+            padding += $$.getTitlePadding();
+        }
+        return padding;
+    };
+    c3_chart_internal_fn.getCurrentPaddingBottom = function () {
+        var config = this.config;
+        return isValue(config.padding_bottom) ? config.padding_bottom : 0;
+    };
+    c3_chart_internal_fn.getCurrentPaddingLeft = function (withoutRecompute) {
+        var $$ = this, config = $$.config;
+        if (isValue(config.padding_left)) {
+            return config.padding_left;
+        } else if (config.axis_rotated) {
+            return !config.axis_x_show ? 1 : Math.max(ceil10($$.getAxisWidthByAxisId('x', withoutRecompute)), 40);
+        } else if (!config.axis_y_show || config.axis_y_inner) { // && !config.axis_rotated
+            return $$.axis.getYAxisLabelPosition().isOuter ? 30 : 1;
+        } else {
+            return ceil10($$.getAxisWidthByAxisId('y', withoutRecompute));
+        }
+    };
+    c3_chart_internal_fn.getCurrentPaddingRight = function () {
+        var $$ = this, config = $$.config,
+            defaultPadding = 10, legendWidthOnRight = $$.isLegendRight ? $$.getLegendWidth() + 20 : 0;
+        if (isValue(config.padding_right)) {
+            return config.padding_right + 1; // 1 is needed not to hide tick line
+        } else if (config.axis_rotated) {
+            return defaultPadding + legendWidthOnRight;
+        } else if (!config.axis_y2_show || config.axis_y2_inner) { // && !config.axis_rotated
+            return 2 + legendWidthOnRight + ($$.axis.getY2AxisLabelPosition().isOuter ? 20 : 0);
+        } else {
+            return ceil10($$.getAxisWidthByAxisId('y2')) + legendWidthOnRight;
+        }
+    };
+
+    c3_chart_internal_fn.getParentRectValue = function (key) {
+        var parent = this.selectChart.node(), v;
+        while (parent && parent.tagName !== 'BODY') {
+            try {
+                v = parent.getBoundingClientRect()[key];
+            } catch(e) {
+                if (key === 'width') {
+                    // In IE in certain cases getBoundingClientRect
+                    // will cause an "unspecified error"
+                    v = parent.offsetWidth;
+                }
+            }
+            if (v) {
+                break;
+            }
+            parent = parent.parentNode;
+        }
+        return v;
+    };
+    c3_chart_internal_fn.getParentWidth = function () {
+        return this.getParentRectValue('width');
+    };
+    c3_chart_internal_fn.getParentHeight = function () {
+        var h = this.selectChart.style('height');
+        return h.indexOf('px') > 0 ? +h.replace('px', '') : 0;
+    };
+
+
+    c3_chart_internal_fn.getSvgLeft = function (withoutRecompute) {
+        var $$ = this, config = $$.config,
+            hasLeftAxisRect = config.axis_rotated || (!config.axis_rotated && !config.axis_y_inner),
+            leftAxisClass = config.axis_rotated ? CLASS.axisX : CLASS.axisY,
+            leftAxis = $$.main.select('.' + leftAxisClass).node(),
+            svgRect = leftAxis && hasLeftAxisRect ? leftAxis.getBoundingClientRect() : {right: 0},
+            chartRect = $$.selectChart.node().getBoundingClientRect(),
+            hasArc = $$.hasArcType(),
+            svgLeft = svgRect.right - chartRect.left - (hasArc ? 0 : $$.getCurrentPaddingLeft(withoutRecompute));
+        return svgLeft > 0 ? svgLeft : 0;
+    };
+
+
+    c3_chart_internal_fn.getAxisWidthByAxisId = function (id, withoutRecompute) {
+        var $$ = this, position = $$.axis.getLabelPositionById(id);
+        return $$.axis.getMaxTickWidth(id, withoutRecompute) + (position.isInner ? 20 : 40);
+    };
+    c3_chart_internal_fn.getHorizontalAxisHeight = function (axisId) {
+        var $$ = this, config = $$.config, h = 30;
+        if (axisId === 'x' && !config.axis_x_show) { return 8; }
+        if (axisId === 'x' && config.axis_x_height) { return config.axis_x_height; }
+        if (axisId === 'y' && !config.axis_y_show) { return config.legend_show && !$$.isLegendRight && !$$.isLegendInset ? 10 : 1; }
+        if (axisId === 'y2' && !config.axis_y2_show) { return $$.rotated_padding_top; }
+        // Calculate x axis height when tick rotated
+        if (axisId === 'x' && !config.axis_rotated && config.axis_x_tick_rotate) {
+            h = 30 + $$.axis.getMaxTickWidth(axisId) * Math.cos(Math.PI * (90 - config.axis_x_tick_rotate) / 180);
+        }
+        return h + ($$.axis.getLabelPositionById(axisId).isInner ? 0 : 10) + (axisId === 'y2' ? -10 : 0);
+    };
+
+    c3_chart_internal_fn.getEventRectWidth = function () {
+        return Math.max(0, this.xAxis.tickInterval());
+    };
+
+    c3_chart_internal_fn.getShapeIndices = function (typeFilter) {
+        var $$ = this, config = $$.config,
+            indices = {}, i = 0, j, k;
+        $$.filterTargetsToShow($$.data.targets.filter(typeFilter, $$)).forEach(function (d) {
+            for (j = 0; j < config.data_groups.length; j++) {
+                if (config.data_groups[j].indexOf(d.id) < 0) { continue; }
+                for (k = 0; k < config.data_groups[j].length; k++) {
+                    if (config.data_groups[j][k] in indices) {
+                        indices[d.id] = indices[config.data_groups[j][k]];
+                        break;
+                    }
+                }
+            }
+            if (isUndefined(indices[d.id])) { indices[d.id] = i++; }
+        });
+        indices.__max__ = i - 1;
+        return indices;
+    };
+    c3_chart_internal_fn.getShapeX = function (offset, targetsNum, indices, isSub) {
+        var $$ = this, scale = isSub ? $$.subX : $$.x;
+        return function (d) {
+            var index = d.id in indices ? indices[d.id] : 0;
+            return d.x || d.x === 0 ? scale(d.x) - offset * (targetsNum / 2 - index) : 0;
+        };
+    };
+    c3_chart_internal_fn.getShapeY = function (isSub) {
+        var $$ = this;
+        return function (d) {
+            var scale = isSub ? $$.getSubYScale(d.id) : $$.getYScale(d.id);
+            return scale(d.value);
+        };
+    };
+    c3_chart_internal_fn.getShapeOffset = function (typeFilter, indices, isSub) {
+        var $$ = this,
+            targets = $$.orderTargets($$.filterTargetsToShow($$.data.targets.filter(typeFilter, $$))),
+            targetIds = targets.map(function (t) { return t.id; });
+        return function (d, i) {
+            var scale = isSub ? $$.getSubYScale(d.id) : $$.getYScale(d.id),
+                y0 = scale(0), offset = y0;
+            targets.forEach(function (t) {
+                var values = $$.isStepType(d) ? $$.convertValuesToStep(t.values) : t.values;
+                if (t.id === d.id || indices[t.id] !== indices[d.id]) { return; }
+                if (targetIds.indexOf(t.id) < targetIds.indexOf(d.id)) {
+                    // check if the x values line up
+                    if (typeof values[i] === 'undefined' || +values[i].x !== +d.x) {  // "+" for timeseries
+                        // if not, try to find the value that does line up
+                        i = -1;
+                        values.forEach(function (v, j) {
+                            if (v.x === d.x) {
+                                i = j;
+                            }
+                        });
+                    }
+                    if (i in values && values[i].value * d.value >= 0) {
+                        offset += scale(values[i].value) - y0;
+                    }
+                }
+            });
+            return offset;
+        };
+    };
+    c3_chart_internal_fn.isWithinShape = function (that, d) {
+        var $$ = this,
+            shape = $$.d3.select(that), isWithin;
+        if (!$$.isTargetToShow(d.id)) {
+            isWithin = false;
+        }
+        else if (that.nodeName === 'circle') {
+            isWithin = $$.isStepType(d) ? $$.isWithinStep(that, $$.getYScale(d.id)(d.value)) : $$.isWithinCircle(that, $$.pointSelectR(d) * 1.5);
+        }
+        else if (that.nodeName === 'path') {
+            isWithin = shape.classed(CLASS.bar) ? $$.isWithinBar(that) : true;
+        }
+        return isWithin;
+    };
+
+
+    c3_chart_internal_fn.getInterpolate = function (d) {
+        var $$ = this,
+            interpolation = $$.isInterpolationType($$.config.spline_interpolation_type) ? $$.config.spline_interpolation_type : 'cardinal';
+        return $$.isSplineType(d) ? interpolation : $$.isStepType(d) ? $$.config.line_step_type : "linear";
+    };
+
+    c3_chart_internal_fn.initLine = function () {
+        var $$ = this;
+        $$.main.select('.' + CLASS.chart).append("g")
+            .attr("class", CLASS.chartLines);
+    };
+    c3_chart_internal_fn.updateTargetsForLine = function (targets) {
+        var $$ = this, config = $$.config,
+            mainLineUpdate, mainLineEnter,
+            classChartLine = $$.classChartLine.bind($$),
+            classLines = $$.classLines.bind($$),
+            classAreas = $$.classAreas.bind($$),
+            classCircles = $$.classCircles.bind($$),
+            classFocus = $$.classFocus.bind($$);
+        mainLineUpdate = $$.main.select('.' + CLASS.chartLines).selectAll('.' + CLASS.chartLine)
+            .data(targets)
+            .attr('class', function (d) { return classChartLine(d) + classFocus(d); });
+        mainLineEnter = mainLineUpdate.enter().append('g')
+            .attr('class', classChartLine)
+            .style('opacity', 0)
+            .style("pointer-events", "none");
+        // Lines for each data
+        mainLineEnter.append('g')
+            .attr("class", classLines);
+        // Areas
+        mainLineEnter.append('g')
+            .attr('class', classAreas);
+        // Circles for each data point on lines
+        mainLineEnter.append('g')
+            .attr("class", function (d) { return $$.generateClass(CLASS.selectedCircles, d.id); });
+        mainLineEnter.append('g')
+            .attr("class", classCircles)
+            .style("cursor", function (d) { return config.data_selection_isselectable(d) ? "pointer" : null; });
+        // Update date for selected circles
+        targets.forEach(function (t) {
+            $$.main.selectAll('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(t.id)).selectAll('.' + CLASS.selectedCircle).each(function (d) {
+                d.value = t.values[d.index].value;
+            });
+        });
+        // MEMO: can not keep same color...
+        //mainLineUpdate.exit().remove();
+    };
+    c3_chart_internal_fn.updateLine = function (durationForExit) {
+        var $$ = this;
+        $$.mainLine = $$.main.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line)
+            .data($$.lineData.bind($$));
+        $$.mainLine.enter().append('path')
+            .attr('class', $$.classLine.bind($$))
+            .style("stroke", $$.color);
+        $$.mainLine
+            .style("opacity", $$.initialOpacity.bind($$))
+            .style('shape-rendering', function (d) { return $$.isStepType(d) ? 'crispEdges' : ''; })
+            .attr('transform', null);
+        $$.mainLine.exit().transition().duration(durationForExit)
+            .style('opacity', 0)
+            .remove();
+    };
+    c3_chart_internal_fn.redrawLine = function (drawLine, withTransition) {
+        return [
+            (withTransition ? this.mainLine.transition(Math.random().toString()) : this.mainLine)
+                .attr("d", drawLine)
+                .style("stroke", this.color)
+                .style("opacity", 1)
+        ];
+    };
+    c3_chart_internal_fn.generateDrawLine = function (lineIndices, isSub) {
+        var $$ = this, config = $$.config,
+            line = $$.d3.svg.line(),
+            getPoints = $$.generateGetLinePoints(lineIndices, isSub),
+            yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale,
+            xValue = function (d) { return (isSub ? $$.subxx : $$.xx).call($$, d); },
+            yValue = function (d, i) {
+                return config.data_groups.length > 0 ? getPoints(d, i)[0][1] : yScaleGetter.call($$, d.id)(d.value);
+            };
+
+        line = config.axis_rotated ? line.x(yValue).y(xValue) : line.x(xValue).y(yValue);
+        if (!config.line_connectNull) { line = line.defined(function (d) { return d.value != null; }); }
+        return function (d) {
+            var values = config.line_connectNull ? $$.filterRemoveNull(d.values) : d.values,
+                x = isSub ? $$.x : $$.subX, y = yScaleGetter.call($$, d.id), x0 = 0, y0 = 0, path;
+            if ($$.isLineType(d)) {
+                if (config.data_regions[d.id]) {
+                    path = $$.lineWithRegions(values, x, y, config.data_regions[d.id]);
+                } else {
+                    if ($$.isStepType(d)) { values = $$.convertValuesToStep(values); }
+                    path = line.interpolate($$.getInterpolate(d))(values);
+                }
+            } else {
+                if (values[0]) {
+                    x0 = x(values[0].x);
+                    y0 = y(values[0].value);
+                }
+                path = config.axis_rotated ? "M " + y0 + " " + x0 : "M " + x0 + " " + y0;
+            }
+            return path ? path : "M 0 0";
+        };
+    };
+    c3_chart_internal_fn.generateGetLinePoints = function (lineIndices, isSub) { // partial duplication of generateGetBarPoints
+        var $$ = this, config = $$.config,
+            lineTargetsNum = lineIndices.__max__ + 1,
+            x = $$.getShapeX(0, lineTargetsNum, lineIndices, !!isSub),
+            y = $$.getShapeY(!!isSub),
+            lineOffset = $$.getShapeOffset($$.isLineType, lineIndices, !!isSub),
+            yScale = isSub ? $$.getSubYScale : $$.getYScale;
+        return function (d, i) {
+            var y0 = yScale.call($$, d.id)(0),
+                offset = lineOffset(d, i) || y0, // offset is for stacked area chart
+                posX = x(d), posY = y(d);
+            // fix posY not to overflow opposite quadrant
+            if (config.axis_rotated) {
+                if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) { posY = y0; }
+            }
+            // 1 point that marks the line position
+            return [
+                [posX, posY - (y0 - offset)],
+                [posX, posY - (y0 - offset)], // needed for compatibility
+                [posX, posY - (y0 - offset)], // needed for compatibility
+                [posX, posY - (y0 - offset)]  // needed for compatibility
+            ];
+        };
+    };
+
+
+    c3_chart_internal_fn.lineWithRegions = function (d, x, y, _regions) {
+        var $$ = this, config = $$.config,
+            prev = -1, i, j,
+            s = "M", sWithRegion,
+            xp, yp, dx, dy, dd, diff, diffx2,
+            xOffset = $$.isCategorized() ? 0.5 : 0,
+            xValue, yValue,
+            regions = [];
+
+        function isWithinRegions(x, regions) {
+            var i;
+            for (i = 0; i < regions.length; i++) {
+                if (regions[i].start < x && x <= regions[i].end) { return true; }
+            }
+            return false;
+        }
+
+        // Check start/end of regions
+        if (isDefined(_regions)) {
+            for (i = 0; i < _regions.length; i++) {
+                regions[i] = {};
+                if (isUndefined(_regions[i].start)) {
+                    regions[i].start = d[0].x;
+                } else {
+                    regions[i].start = $$.isTimeSeries() ? $$.parseDate(_regions[i].start) : _regions[i].start;
+                }
+                if (isUndefined(_regions[i].end)) {
+                    regions[i].end = d[d.length - 1].x;
+                } else {
+                    regions[i].end = $$.isTimeSeries() ? $$.parseDate(_regions[i].end) : _regions[i].end;
+                }
+            }
+        }
+
+        // Set scales
+        xValue = config.axis_rotated ? function (d) { return y(d.value); } : function (d) { return x(d.x); };
+        yValue = config.axis_rotated ? function (d) { return x(d.x); } : function (d) { return y(d.value); };
+
+        // Define svg generator function for region
+        function generateM(points) {
+            return 'M' + points[0][0] + ' ' + points[0][1] + ' ' + points[1][0] + ' ' + points[1][1];
+        }
+        if ($$.isTimeSeries()) {
+            sWithRegion = function (d0, d1, j, diff) {
+                var x0 = d0.x.getTime(), x_diff = d1.x - d0.x,
+                    xv0 = new Date(x0 + x_diff * j),
+                    xv1 = new Date(x0 + x_diff * (j + diff)),
+                    points;
+                if (config.axis_rotated) {
+                    points = [[y(yp(j)), x(xv0)], [y(yp(j + diff)), x(xv1)]];
+                } else {
+                    points = [[x(xv0), y(yp(j))], [x(xv1), y(yp(j + diff))]];
+                }
+                return generateM(points);
+            };
+        } else {
+            sWithRegion = function (d0, d1, j, diff) {
+                var points;
+                if (config.axis_rotated) {
+                    points = [[y(yp(j), true), x(xp(j))], [y(yp(j + diff), true), x(xp(j + diff))]];
+                } else {
+                    points = [[x(xp(j), true), y(yp(j))], [x(xp(j + diff), true), y(yp(j + diff))]];
+                }
+                return generateM(points);
+            };
+        }
+
+        // Generate
+        for (i = 0; i < d.length; i++) {
+
+            // Draw as normal
+            if (isUndefined(regions) || ! isWithinRegions(d[i].x, regions)) {
+                s += " " + xValue(d[i]) + " " + yValue(d[i]);
+            }
+            // Draw with region // TODO: Fix for horizotal charts
+            else {
+                xp = $$.getScale(d[i - 1].x + xOffset, d[i].x + xOffset, $$.isTimeSeries());
+                yp = $$.getScale(d[i - 1].value, d[i].value);
+
+                dx = x(d[i].x) - x(d[i - 1].x);
+                dy = y(d[i].value) - y(d[i - 1].value);
+                dd = Math.sqrt(Math.pow(dx, 2) + Math.pow(dy, 2));
+                diff = 2 / dd;
+                diffx2 = diff * 2;
+
+                for (j = diff; j <= 1; j += diffx2) {
+                    s += sWithRegion(d[i - 1], d[i], j, diff);
+                }
+            }
+            prev = d[i].x;
+        }
+
+        return s;
+    };
+
+
+    c3_chart_internal_fn.updateArea = function (durationForExit) {
+        var $$ = this, d3 = $$.d3;
+        $$.mainArea = $$.main.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area)
+            .data($$.lineData.bind($$));
+        $$.mainArea.enter().append('path')
+            .attr("class", $$.classArea.bind($$))
+            .style("fill", $$.color)
+            .style("opacity", function () { $$.orgAreaOpacity = +d3.select(this).style('opacity'); return 0; });
+        $$.mainArea
+            .style("opacity", $$.orgAreaOpacity);
+        $$.mainArea.exit().transition().duration(durationForExit)
+            .style('opacity', 0)
+            .remove();
+    };
+    c3_chart_internal_fn.redrawArea = function (drawArea, withTransition) {
+        return [
+            (withTransition ? this.mainArea.transition(Math.random().toString()) : this.mainArea)
+                .attr("d", drawArea)
+                .style("fill", this.color)
+                .style("opacity", this.orgAreaOpacity)
+        ];
+    };
+    c3_chart_internal_fn.generateDrawArea = function (areaIndices, isSub) {
+        var $$ = this, config = $$.config, area = $$.d3.svg.area(),
+            getPoints = $$.generateGetAreaPoints(areaIndices, isSub),
+            yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale,
+            xValue = function (d) { return (isSub ? $$.subxx : $$.xx).call($$, d); },
+            value0 = function (d, i) {
+                return config.data_groups.length > 0 ? getPoints(d, i)[0][1] : yScaleGetter.call($$, d.id)($$.getAreaBaseValue(d.id));
+            },
+            value1 = function (d, i) {
+                return config.data_groups.length > 0 ? getPoints(d, i)[1][1] : yScaleGetter.call($$, d.id)(d.value);
+            };
+
+        area = config.axis_rotated ? area.x0(value0).x1(value1).y(xValue) : area.x(xValue).y0(value0).y1(value1);
+        if (!config.line_connectNull) {
+            area = area.defined(function (d) { return d.value !== null; });
+        }
+
+        return function (d) {
+            var values = config.line_connectNull ? $$.filterRemoveNull(d.values) : d.values,
+                x0 = 0, y0 = 0, path;
+            if ($$.isAreaType(d)) {
+                if ($$.isStepType(d)) { values = $$.convertValuesToStep(values); }
+                path = area.interpolate($$.getInterpolate(d))(values);
+            } else {
+                if (values[0]) {
+                    x0 = $$.x(values[0].x);
+                    y0 = $$.getYScale(d.id)(values[0].value);
+                }
+                path = config.axis_rotated ? "M " + y0 + " " + x0 : "M " + x0 + " " + y0;
+            }
+            return path ? path : "M 0 0";
+        };
+    };
+    c3_chart_internal_fn.getAreaBaseValue = function () {
+        return 0;
+    };
+    c3_chart_internal_fn.generateGetAreaPoints = function (areaIndices, isSub) { // partial duplication of generateGetBarPoints
+        var $$ = this, config = $$.config,
+            areaTargetsNum = areaIndices.__max__ + 1,
+            x = $$.getShapeX(0, areaTargetsNum, areaIndices, !!isSub),
+            y = $$.getShapeY(!!isSub),
+            areaOffset = $$.getShapeOffset($$.isAreaType, areaIndices, !!isSub),
+            yScale = isSub ? $$.getSubYScale : $$.getYScale;
+        return function (d, i) {
+            var y0 = yScale.call($$, d.id)(0),
+                offset = areaOffset(d, i) || y0, // offset is for stacked area chart
+                posX = x(d), posY = y(d);
+            // fix posY not to overflow opposite quadrant
+            if (config.axis_rotated) {
+                if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) { posY = y0; }
+            }
+            // 1 point that marks the area position
+            return [
+                [posX, offset],
+                [posX, posY - (y0 - offset)],
+                [posX, posY - (y0 - offset)], // needed for compatibility
+                [posX, offset] // needed for compatibility
+            ];
+        };
+    };
+
+
+    c3_chart_internal_fn.updateCircle = function () {
+        var $$ = this;
+        $$.mainCircle = $$.main.selectAll('.' + CLASS.circles).selectAll('.' + CLASS.circle)
+            .data($$.lineOrScatterData.bind($$));
+        $$.mainCircle.enter().append("circle")
+            .attr("class", $$.classCircle.bind($$))
+            .attr("r", $$.pointR.bind($$))
+            .style("fill", $$.color);
+        $$.mainCircle
+            .style("opacity", $$.initialOpacityForCircle.bind($$));
+        $$.mainCircle.exit().remove();
+    };
+    c3_chart_internal_fn.redrawCircle = function (cx, cy, withTransition) {
+        var selectedCircles = this.main.selectAll('.' + CLASS.selectedCircle);
+        return [
+            (withTransition ? this.mainCircle.transition(Math.random().toString()) : this.mainCircle)
+                .style('opacity', this.opacityForCircle.bind(this))
+                .style("fill", this.color)
+                .attr("cx", cx)
+                .attr("cy", cy),
+            (withTransition ? selectedCircles.transition(Math.random().toString()) : selectedCircles)
+                .attr("cx", cx)
+                .attr("cy", cy)
+        ];
+    };
+    c3_chart_internal_fn.circleX = function (d) {
+        return d.x || d.x === 0 ? this.x(d.x) : null;
+    };
+    c3_chart_internal_fn.updateCircleY = function () {
+        var $$ = this, lineIndices, getPoints;
+        if ($$.config.data_groups.length > 0) {
+            lineIndices = $$.getShapeIndices($$.isLineType),
+            getPoints = $$.generateGetLinePoints(lineIndices);
+            $$.circleY = function (d, i) {
+                return getPoints(d, i)[0][1];
+            };
+        } else {
+            $$.circleY = function (d) {
+                return $$.getYScale(d.id)(d.value);
+            };
+        }
+    };
+    c3_chart_internal_fn.getCircles = function (i, id) {
+        var $$ = this;
+        return (id ? $$.main.selectAll('.' + CLASS.circles + $$.getTargetSelectorSuffix(id)) : $$.main).selectAll('.' + CLASS.circle + (isValue(i) ? '-' + i : ''));
+    };
+    c3_chart_internal_fn.expandCircles = function (i, id, reset) {
+        var $$ = this,
+            r = $$.pointExpandedR.bind($$);
+        if (reset) { $$.unexpandCircles(); }
+        $$.getCircles(i, id)
+            .classed(CLASS.EXPANDED, true)
+            .attr('r', r);
+    };
+    c3_chart_internal_fn.unexpandCircles = function (i) {
+        var $$ = this,
+            r = $$.pointR.bind($$);
+        $$.getCircles(i)
+            .filter(function () { return $$.d3.select(this).classed(CLASS.EXPANDED); })
+            .classed(CLASS.EXPANDED, false)
+            .attr('r', r);
+    };
+    c3_chart_internal_fn.pointR = function (d) {
+        var $$ = this, config = $$.config;
+        return $$.isStepType(d) ? 0 : (isFunction(config.point_r) ? config.point_r(d) : config.point_r);
+    };
+    c3_chart_internal_fn.pointExpandedR = function (d) {
+        var $$ = this, config = $$.config;
+        return config.point_focus_expand_enabled ? (config.point_focus_expand_r ? config.point_focus_expand_r : $$.pointR(d) * 1.75) : $$.pointR(d);
+    };
+    c3_chart_internal_fn.pointSelectR = function (d) {
+        var $$ = this, config = $$.config;
+        return config.point_select_r ? config.point_select_r : $$.pointR(d) * 4;
+    };
+    c3_chart_internal_fn.isWithinCircle = function (that, r) {
+        var d3 = this.d3,
+            mouse = d3.mouse(that), d3_this = d3.select(that),
+            cx = +d3_this.attr("cx"), cy = +d3_this.attr("cy");
+        return Math.sqrt(Math.pow(cx - mouse[0], 2) + Math.pow(cy - mouse[1], 2)) < r;
+    };
+    c3_chart_internal_fn.isWithinStep = function (that, y) {
+        return Math.abs(y - this.d3.mouse(that)[1]) < 30;
+    };
+
+    c3_chart_internal_fn.initBar = function () {
+        var $$ = this;
+        $$.main.select('.' + CLASS.chart).append("g")
+            .attr("class", CLASS.chartBars);
+    };
+    c3_chart_internal_fn.updateTargetsForBar = function (targets) {
+        var $$ = this, config = $$.config,
+            mainBarUpdate, mainBarEnter,
+            classChartBar = $$.classChartBar.bind($$),
+            classBars = $$.classBars.bind($$),
+            classFocus = $$.classFocus.bind($$);
+        mainBarUpdate = $$.main.select('.' + CLASS.chartBars).selectAll('.' + CLASS.chartBar)
+            .data(targets)
+            .attr('class', function (d) { return classChartBar(d) + classFocus(d); });
+        mainBarEnter = mainBarUpdate.enter().append('g')
+            .attr('class', classChartBar)
+            .style('opacity', 0)
+            .style("pointer-events", "none");
+        // Bars for each data
+        mainBarEnter.append('g')
+            .attr("class", classBars)
+            .style("cursor", function (d) { return config.data_selection_isselectable(d) ? "pointer" : null; });
+
+    };
+    c3_chart_internal_fn.updateBar = function (durationForExit) {
+        var $$ = this,
+            barData = $$.barData.bind($$),
+            classBar = $$.classBar.bind($$),
+            initialOpacity = $$.initialOpacity.bind($$),
+            color = function (d) { return $$.color(d.id); };
+        $$.mainBar = $$.main.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar)
+            .data(barData);
+        $$.mainBar.enter().append('path')
+            .attr("class", classBar)
+            .style("stroke", color)
+            .style("fill", color);
+        $$.mainBar
+            .style("opacity", initialOpacity);
+        $$.mainBar.exit().transition().duration(durationForExit)
+            .style('opacity', 0)
+            .remove();
+    };
+    c3_chart_internal_fn.redrawBar = function (drawBar, withTransition) {
+        return [
+            (withTransition ? this.mainBar.transition(Math.random().toString()) : this.mainBar)
+                .attr('d', drawBar)
+                .style("fill", this.color)
+                .style("opacity", 1)
+        ];
+    };
+    c3_chart_internal_fn.getBarW = function (axis, barTargetsNum) {
+        var $$ = this, config = $$.config,
+            w = typeof config.bar_width === 'number' ? config.bar_width : barTargetsNum ? (axis.tickInterval() * config.bar_width_ratio) / barTargetsNum : 0;
+        return config.bar_width_max && w > config.bar_width_max ? config.bar_width_max : w;
+    };
+    c3_chart_internal_fn.getBars = function (i, id) {
+        var $$ = this;
+        return (id ? $$.main.selectAll('.' + CLASS.bars + $$.getTargetSelectorSuffix(id)) : $$.main).selectAll('.' + CLASS.bar + (isValue(i) ? '-' + i : ''));
+    };
+    c3_chart_internal_fn.expandBars = function (i, id, reset) {
+        var $$ = this;
+        if (reset) { $$.unexpandBars(); }
+        $$.getBars(i, id).classed(CLASS.EXPANDED, true);
+    };
+    c3_chart_internal_fn.unexpandBars = function (i) {
+        var $$ = this;
+        $$.getBars(i).classed(CLASS.EXPANDED, false);
+    };
+    c3_chart_internal_fn.generateDrawBar = function (barIndices, isSub) {
+        var $$ = this, config = $$.config,
+            getPoints = $$.generateGetBarPoints(barIndices, isSub);
+        return function (d, i) {
+            // 4 points that make a bar
+            var points = getPoints(d, i);
+
+            // switch points if axis is rotated, not applicable for sub chart
+            var indexX = config.axis_rotated ? 1 : 0;
+            var indexY = config.axis_rotated ? 0 : 1;
+
+            var path = 'M ' + points[0][indexX] + ',' + points[0][indexY] + ' ' +
+                    'L' + points[1][indexX] + ',' + points[1][indexY] + ' ' +
+                    'L' + points[2][indexX] + ',' + points[2][indexY] + ' ' +
+                    'L' + points[3][indexX] + ',' + points[3][indexY] + ' ' +
+                    'z';
+
+            return path;
+        };
+    };
+    c3_chart_internal_fn.generateGetBarPoints = function (barIndices, isSub) {
+        var $$ = this,
+            axis = isSub ? $$.subXAxis : $$.xAxis,
+            barTargetsNum = barIndices.__max__ + 1,
+            barW = $$.getBarW(axis, barTargetsNum),
+            barX = $$.getShapeX(barW, barTargetsNum, barIndices, !!isSub),
+            barY = $$.getShapeY(!!isSub),
+            barOffset = $$.getShapeOffset($$.isBarType, barIndices, !!isSub),
+            yScale = isSub ? $$.getSubYScale : $$.getYScale;
+        return function (d, i) {
+            var y0 = yScale.call($$, d.id)(0),
+                offset = barOffset(d, i) || y0, // offset is for stacked bar chart
+                posX = barX(d), posY = barY(d);
+            // fix posY not to overflow opposite quadrant
+            if ($$.config.axis_rotated) {
+                if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) { posY = y0; }
+            }
+            // 4 points that make a bar
+            return [
+                [posX, offset],
+                [posX, posY - (y0 - offset)],
+                [posX + barW, posY - (y0 - offset)],
+                [posX + barW, offset]
+            ];
+        };
+    };
+    c3_chart_internal_fn.isWithinBar = function (that) {
+        var mouse = this.d3.mouse(that), box = that.getBoundingClientRect(),
+            seg0 = that.pathSegList.getItem(0), seg1 = that.pathSegList.getItem(1),
+            x = Math.min(seg0.x, seg1.x), y = Math.min(seg0.y, seg1.y),
+            w = box.width, h = box.height, offset = 2,
+            sx = x - offset, ex = x + w + offset, sy = y + h + offset, ey = y - offset;
+        return sx < mouse[0] && mouse[0] < ex && ey < mouse[1] && mouse[1] < sy;
+    };
+
+    c3_chart_internal_fn.initText = function () {
+        var $$ = this;
+        $$.main.select('.' + CLASS.chart).append("g")
+            .attr("class", CLASS.chartTexts);
+        $$.mainText = $$.d3.selectAll([]);
+    };
+    c3_chart_internal_fn.updateTargetsForText = function (targets) {
+        var $$ = this, mainTextUpdate, mainTextEnter,
+            classChartText = $$.classChartText.bind($$),
+            classTexts = $$.classTexts.bind($$),
+            classFocus = $$.classFocus.bind($$);
+        mainTextUpdate = $$.main.select('.' + CLASS.chartTexts).selectAll('.' + CLASS.chartText)
+            .data(targets)
+            .attr('class', function (d) { return classChartText(d) + classFocus(d); });
+        mainTextEnter = mainTextUpdate.enter().append('g')
+            .attr('class', classChartText)
+            .style('opacity', 0)
+            .style("pointer-events", "none");
+        mainTextEnter.append('g')
+            .attr('class', classTexts);
+    };
+    c3_chart_internal_fn.updateText = function (durationForExit) {
+        var $$ = this, config = $$.config,
+            barOrLineData = $$.barOrLineData.bind($$),
+            classText = $$.classText.bind($$);
+        $$.mainText = $$.main.selectAll('.' + CLASS.texts).selectAll('.' + CLASS.text)
+            .data(barOrLineData);
+        $$.mainText.enter().append('text')
+            .attr("class", classText)
+            .attr('text-anchor', function (d) { return config.axis_rotated ? (d.value < 0 ? 'end' : 'start') : 'middle'; })
+            .style("stroke", 'none')
+            .style("fill", function (d) { return $$.color(d); })
+            .style("fill-opacity", 0);
+        $$.mainText
+            .text(function (d, i, j) { return $$.dataLabelFormat(d.id)(d.value, d.id, i, j); });
+        $$.mainText.exit()
+            .transition().duration(durationForExit)
+            .style('fill-opacity', 0)
+            .remove();
+    };
+    c3_chart_internal_fn.redrawText = function (xForText, yForText, forFlow, withTransition) {
+        return [
+            (withTransition ? this.mainText.transition() : this.mainText)
+                .attr('x', xForText)
+                .attr('y', yForText)
+                .style("fill", this.color)
+                .style("fill-opacity", forFlow ? 0 : this.opacityForText.bind(this))
+        ];
+    };
+    c3_chart_internal_fn.getTextRect = function (text, cls, element) {
+        var dummy = this.d3.select('body').append('div').classed('c3', true),
+            svg = dummy.append("svg").style('visibility', 'hidden').style('position', 'fixed').style('top', 0).style('left', 0),
+            font = this.d3.select(element).style('font'),
+            rect;
+        svg.selectAll('.dummy')
+            .data([text])
+          .enter().append('text')
+            .classed(cls ? cls : "", true)
+            .style('font', font)
+            .text(text)
+          .each(function () { rect = this.getBoundingClientRect(); });
+        dummy.remove();
+        return rect;
+    };
+    c3_chart_internal_fn.generateXYForText = function (areaIndices, barIndices, lineIndices, forX) {
+        var $$ = this,
+            getAreaPoints = $$.generateGetAreaPoints(areaIndices, false),
+            getBarPoints = $$.generateGetBarPoints(barIndices, false),
+            getLinePoints = $$.generateGetLinePoints(lineIndices, false),
+            getter = forX ? $$.getXForText : $$.getYForText;
+        return function (d, i) {
+            var getPoints = $$.isAreaType(d) ? getAreaPoints : $$.isBarType(d) ? getBarPoints : getLinePoints;
+            return getter.call($$, getPoints(d, i), d, this);
+        };
+    };
+    c3_chart_internal_fn.getXForText = function (points, d, textElement) {
+        var $$ = this,
+            box = textElement.getBoundingClientRect(), xPos, padding;
+        if ($$.config.axis_rotated) {
+            padding = $$.isBarType(d) ? 4 : 6;
+            xPos = points[2][1] + padding * (d.value < 0 ? -1 : 1);
+        } else {
+            xPos = $$.hasType('bar') ? (points[2][0] + points[0][0]) / 2 : points[0][0];
+        }
+        // show labels regardless of the domain if value is null
+        if (d.value === null) {
+            if (xPos > $$.width) {
+                xPos = $$.width - box.width;
+            } else if (xPos < 0) {
+                xPos = 4;
+            }
+        }
+        return xPos;
+    };
+    c3_chart_internal_fn.getYForText = function (points, d, textElement) {
+        var $$ = this,
+            box = textElement.getBoundingClientRect(),
+            yPos;
+        if ($$.config.axis_rotated) {
+            yPos = (points[0][0] + points[2][0] + box.height * 0.6) / 2;
+        } else {
+            yPos = points[2][1];
+            if (d.value < 0  || (d.value === 0 && !$$.hasPositiveValue)) {
+                yPos += box.height;
+                if ($$.isBarType(d) && $$.isSafari()) {
+                    yPos -= 3;
+                }
+                else if (!$$.isBarType(d) && $$.isChrome()) {
+                    yPos += 3;
+                }
+            } else {
+                yPos += $$.isBarType(d) ? -3 : -6;
+            }
+        }
+        // show labels regardless of the domain if value is null
+        if (d.value === null && !$$.config.axis_rotated) {
+            if (yPos < box.height) {
+                yPos = box.height;
+            } else if (yPos > this.height) {
+                yPos = this.height - 4;
+            }
+        }
+        return yPos;
+    };
+
+    c3_chart_internal_fn.setTargetType = function (targetIds, type) {
+        var $$ = this, config = $$.config;
+        $$.mapToTargetIds(targetIds).forEach(function (id) {
+            $$.withoutFadeIn[id] = (type === config.data_types[id]);
+            config.data_types[id] = type;
+        });
+        if (!targetIds) {
+            config.data_type = type;
+        }
+    };
+    c3_chart_internal_fn.hasType = function (type, targets) {
+        var $$ = this, types = $$.config.data_types, has = false;
+        targets = targets || $$.data.targets;
+        if (targets && targets.length) {
+            targets.forEach(function (target) {
+                var t = types[target.id];
+                if ((t && t.indexOf(type) >= 0) || (!t && type === 'line')) {
+                    has = true;
+                }
+            });
+        } else if (Object.keys(types).length) {
+            Object.keys(types).forEach(function (id) {
+                if (types[id] === type) { has = true; }
+            });
+        } else {
+            has = $$.config.data_type === type;
+        }
+        return has;
+    };
+    c3_chart_internal_fn.hasArcType = function (targets) {
+        return this.hasType('pie', targets) || this.hasType('donut', targets) || this.hasType('gauge', targets);
+    };
+    c3_chart_internal_fn.isLineType = function (d) {
+        var config = this.config, id = isString(d) ? d : d.id;
+        return !config.data_types[id] || ['line', 'spline', 'area', 'area-spline', 'step', 'area-step'].indexOf(config.data_types[id]) >= 0;
+    };
+    c3_chart_internal_fn.isStepType = function (d) {
+        var id = isString(d) ? d : d.id;
+        return ['step', 'area-step'].indexOf(this.config.data_types[id]) >= 0;
+    };
+    c3_chart_internal_fn.isSplineType = function (d) {
+        var id = isString(d) ? d : d.id;
+        return ['spline', 'area-spline'].indexOf(this.config.data_types[id]) >= 0;
+    };
+    c3_chart_internal_fn.isAreaType = function (d) {
+        var id = isString(d) ? d : d.id;
+        return ['area', 'area-spline', 'area-step'].indexOf(this.config.data_types[id]) >= 0;
+    };
+    c3_chart_internal_fn.isBarType = function (d) {
+        var id = isString(d) ? d : d.id;
+        return this.config.data_types[id] === 'bar';
+    };
+    c3_chart_internal_fn.isScatterType = function (d) {
+        var id = isString(d) ? d : d.id;
+        return this.config.data_types[id] === 'scatter';
+    };
+    c3_chart_internal_fn.isPieType = function (d) {
+        var id = isString(d) ? d : d.id;
+        return this.config.data_types[id] === 'pie';
+    };
+    c3_chart_internal_fn.isGaugeType = function (d) {
+        var id = isString(d) ? d : d.id;
+        return this.config.data_types[id] === 'gauge';
+    };
+    c3_chart_internal_fn.isDonutType = function (d) {
+        var id = isString(d) ? d : d.id;
+        return this.config.data_types[id] === 'donut';
+    };
+    c3_chart_internal_fn.isArcType = function (d) {
+        return this.isPieType(d) || this.isDonutType(d) || this.isGaugeType(d);
+    };
+    c3_chart_internal_fn.lineData = function (d) {
+        return this.isLineType(d) ? [d] : [];
+    };
+    c3_chart_internal_fn.arcData = function (d) {
+        return this.isArcType(d.data) ? [d] : [];
+    };
+    /* not used
+     function scatterData(d) {
+     return isScatterType(d) ? d.values : [];
+     }
+     */
+    c3_chart_internal_fn.barData = function (d) {
+        return this.isBarType(d) ? d.values : [];
+    };
+    c3_chart_internal_fn.lineOrScatterData = function (d) {
+        return this.isLineType(d) || this.isScatterType(d) ? d.values : [];
+    };
+    c3_chart_internal_fn.barOrLineData = function (d) {
+        return this.isBarType(d) || this.isLineType(d) ? d.values : [];
+    };
+    c3_chart_internal_fn.isInterpolationType = function (type) {
+        return ['linear', 'linear-closed', 'basis', 'basis-open', 'basis-closed', 'bundle', 'cardinal', 'cardinal-open', 'cardinal-closed', 'monotone'].indexOf(type) >= 0;
+    };
+
+    c3_chart_internal_fn.initGrid = function () {
+        var $$ = this, config = $$.config, d3 = $$.d3;
+        $$.grid = $$.main.append('g')
+            .attr("clip-path", $$.clipPathForGrid)
+            .attr('class', CLASS.grid);
+        if (config.grid_x_show) {
+            $$.grid.append("g").attr("class", CLASS.xgrids);
+        }
+        if (config.grid_y_show) {
+            $$.grid.append('g').attr('class', CLASS.ygrids);
+        }
+        if (config.grid_focus_show) {
+            $$.grid.append('g')
+                .attr("class", CLASS.xgridFocus)
+                .append('line')
+                .attr('class', CLASS.xgridFocus);
+        }
+        $$.xgrid = d3.selectAll([]);
+        if (!config.grid_lines_front) { $$.initGridLines(); }
+    };
+    c3_chart_internal_fn.initGridLines = function () {
+        var $$ = this, d3 = $$.d3;
+        $$.gridLines = $$.main.append('g')
+            .attr("clip-path", $$.clipPathForGrid)
+            .attr('class', CLASS.grid + ' ' + CLASS.gridLines);
+        $$.gridLines.append('g').attr("class", CLASS.xgridLines);
+        $$.gridLines.append('g').attr('class', CLASS.ygridLines);
+        $$.xgridLines = d3.selectAll([]);
+    };
+    c3_chart_internal_fn.updateXGrid = function (withoutUpdate) {
+        var $$ = this, config = $$.config, d3 = $$.d3,
+            xgridData = $$.generateGridData(config.grid_x_type, $$.x),
+            tickOffset = $$.isCategorized() ? $$.xAxis.tickOffset() : 0;
+
+        $$.xgridAttr = config.axis_rotated ? {
+            'x1': 0,
+            'x2': $$.width,
+            'y1': function (d) { return $$.x(d) - tickOffset; },
+            'y2': function (d) { return $$.x(d) - tickOffset; }
+        } : {
+            'x1': function (d) { return $$.x(d) + tickOffset; },
+            'x2': function (d) { return $$.x(d) + tickOffset; },
+            'y1': 0,
+            'y2': $$.height
+        };
+
+        $$.xgrid = $$.main.select('.' + CLASS.xgrids).selectAll('.' + CLASS.xgrid)
+            .data(xgridData);
+        $$.xgrid.enter().append('line').attr("class", CLASS.xgrid);
+        if (!withoutUpdate) {
+            $$.xgrid.attr($$.xgridAttr)
+                .style("opacity", function () { return +d3.select(this).attr(config.axis_rotated ? 'y1' : 'x1') === (config.axis_rotated ? $$.height : 0) ? 0 : 1; });
+        }
+        $$.xgrid.exit().remove();
+    };
+
+    c3_chart_internal_fn.updateYGrid = function () {
+        var $$ = this, config = $$.config,
+            gridValues = $$.yAxis.tickValues() || $$.y.ticks(config.grid_y_ticks);
+        $$.ygrid = $$.main.select('.' + CLASS.ygrids).selectAll('.' + CLASS.ygrid)
+            .data(gridValues);
+        $$.ygrid.enter().append('line')
+            .attr('class', CLASS.ygrid);
+        $$.ygrid.attr("x1", config.axis_rotated ? $$.y : 0)
+            .attr("x2", config.axis_rotated ? $$.y : $$.width)
+            .attr("y1", config.axis_rotated ? 0 : $$.y)
+            .attr("y2", config.axis_rotated ? $$.height : $$.y);
+        $$.ygrid.exit().remove();
+        $$.smoothLines($$.ygrid, 'grid');
+    };
+
+    c3_chart_internal_fn.gridTextAnchor = function (d) {
+        return d.position ? d.position : "end";
+    };
+    c3_chart_internal_fn.gridTextDx = function (d) {
+        return d.position === 'start' ? 4 : d.position === 'middle' ? 0 : -4;
+    };
+    c3_chart_internal_fn.xGridTextX = function (d) {
+        return d.position === 'start' ? -this.height : d.position === 'middle' ? -this.height / 2 : 0;
+    };
+    c3_chart_internal_fn.yGridTextX = function (d) {
+        return d.position === 'start' ? 0 : d.position === 'middle' ? this.width / 2 : this.width;
+    };
+    c3_chart_internal_fn.updateGrid = function (duration) {
+        var $$ = this, main = $$.main, config = $$.config,
+            xgridLine, ygridLine, yv;
+
+        // hide if arc type
+        $$.grid.style('visibility', $$.hasArcType() ? 'hidden' : 'visible');
+
+        main.select('line.' + CLASS.xgridFocus).style("visibility", "hidden");
+        if (config.grid_x_show) {
+            $$.updateXGrid();
+        }
+        $$.xgridLines = main.select('.' + CLASS.xgridLines).selectAll('.' + CLASS.xgridLine)
+            .data(config.grid_x_lines);
+        // enter
+        xgridLine = $$.xgridLines.enter().append('g')
+            .attr("class", function (d) { return CLASS.xgridLine + (d['class'] ? ' ' + d['class'] : ''); });
+        xgridLine.append('line')
+            .style("opacity", 0);
+        xgridLine.append('text')
+            .attr("text-anchor", $$.gridTextAnchor)
+            .attr("transform", config.axis_rotated ? "" : "rotate(-90)")
+            .attr('dx', $$.gridTextDx)
+            .attr('dy', -5)
+            .style("opacity", 0);
+        // udpate
+        // done in d3.transition() of the end of this function
+        // exit
+        $$.xgridLines.exit().transition().duration(duration)
+            .style("opacity", 0)
+            .remove();
+
+        // Y-Grid
+        if (config.grid_y_show) {
+            $$.updateYGrid();
+        }
+        $$.ygridLines = main.select('.' + CLASS.ygridLines).selectAll('.' + CLASS.ygridLine)
+            .data(config.grid_y_lines);
+        // enter
+        ygridLine = $$.ygridLines.enter().append('g')
+            .attr("class", function (d) { return CLASS.ygridLine + (d['class'] ? ' ' + d['class'] : ''); });
+        ygridLine.append('line')
+            .style("opacity", 0);
+        ygridLine.append('text')
+            .attr("text-anchor", $$.gridTextAnchor)
+            .attr("transform", config.axis_rotated ? "rotate(-90)" : "")
+            .attr('dx', $$.gridTextDx)
+            .attr('dy', -5)
+            .style("opacity", 0);
+        // update
+        yv = $$.yv.bind($$);
+        $$.ygridLines.select('line')
+          .transition().duration(duration)
+            .attr("x1", config.axis_rotated ? yv : 0)
+            .attr("x2", config.axis_rotated ? yv : $$.width)
+            .attr("y1", config.axis_rotated ? 0 : yv)
+            .attr("y2", config.axis_rotated ? $$.height : yv)
+            .style("opacity", 1);
+        $$.ygridLines.select('text')
+          .transition().duration(duration)
+            .attr("x", config.axis_rotated ? $$.xGridTextX.bind($$) : $$.yGridTextX.bind($$))
+            .attr("y", yv)
+            .text(function (d) { return d.text; })
+            .style("opacity", 1);
+        // exit
+        $$.ygridLines.exit().transition().duration(duration)
+            .style("opacity", 0)
+            .remove();
+    };
+    c3_chart_internal_fn.redrawGrid = function (withTransition) {
+        var $$ = this, config = $$.config, xv = $$.xv.bind($$),
+            lines = $$.xgridLines.select('line'),
+            texts = $$.xgridLines.select('text');
+        return [
+            (withTransition ? lines.transition() : lines)
+                .attr("x1", config.axis_rotated ? 0 : xv)
+                .attr("x2", config.axis_rotated ? $$.width : xv)
+                .attr("y1", config.axis_rotated ? xv : 0)
+                .attr("y2", config.axis_rotated ? xv : $$.height)
+                .style("opacity", 1),
+            (withTransition ? texts.transition() : texts)
+                .attr("x", config.axis_rotated ? $$.yGridTextX.bind($$) : $$.xGridTextX.bind($$))
+                .attr("y", xv)
+                .text(function (d) { return d.text; })
+                .style("opacity", 1)
+        ];
+    };
+    c3_chart_internal_fn.showXGridFocus = function (selectedData) {
+        var $$ = this, config = $$.config,
+            dataToShow = selectedData.filter(function (d) { return d && isValue(d.value); }),
+            focusEl = $$.main.selectAll('line.' + CLASS.xgridFocus),
+            xx = $$.xx.bind($$);
+        if (! config.tooltip_show) { return; }
+        // Hide when scatter plot exists
+        if ($$.hasType('scatter') || $$.hasArcType()) { return; }
+        focusEl
+            .style("visibility", "visible")
+            .data([dataToShow[0]])
+            .attr(config.axis_rotated ? 'y1' : 'x1', xx)
+            .attr(config.axis_rotated ? 'y2' : 'x2', xx);
+        $$.smoothLines(focusEl, 'grid');
+    };
+    c3_chart_internal_fn.hideXGridFocus = function () {
+        this.main.select('line.' + CLASS.xgridFocus).style("visibility", "hidden");
+    };
+    c3_chart_internal_fn.updateXgridFocus = function () {
+        var $$ = this, config = $$.config;
+        $$.main.select('line.' + CLASS.xgridFocus)
+            .attr("x1", config.axis_rotated ? 0 : -10)
+            .attr("x2", config.axis_rotated ? $$.width : -10)
+            .attr("y1", config.axis_rotated ? -10 : 0)
+            .attr("y2", config.axis_rotated ? -10 : $$.height);
+    };
+    c3_chart_internal_fn.generateGridData = function (type, scale) {
+        var $$ = this,
+            gridData = [], xDomain, firstYear, lastYear, i,
+            tickNum = $$.main.select("." + CLASS.axisX).selectAll('.tick').size();
+        if (type === 'year') {
+            xDomain = $$.getXDomain();
+            firstYear = xDomain[0].getFullYear();
+            lastYear = xDomain[1].getFullYear();
+            for (i = firstYear; i <= lastYear; i++) {
+                gridData.push(new Date(i + '-01-01 00:00:00'));
+            }
+        } else {
+            gridData = scale.ticks(10);
+            if (gridData.length > tickNum) { // use only int
+                gridData = gridData.filter(function (d) { return ("" + d).indexOf('.') < 0; });
+            }
+        }
+        return gridData;
+    };
+    c3_chart_internal_fn.getGridFilterToRemove = function (params) {
+        return params ? function (line) {
+            var found = false;
+            [].concat(params).forEach(function (param) {
+                if ((('value' in param && line.value === param.value) || ('class' in param && line['class'] === param['class']))) {
+                    found = true;
+                }
+            });
+            return found;
+        } : function () { return true; };
+    };
+    c3_chart_internal_fn.removeGridLines = function (params, forX) {
+        var $$ = this, config = $$.config,
+            toRemove = $$.getGridFilterToRemove(params),
+            toShow = function (line) { return !toRemove(line); },
+            classLines = forX ? CLASS.xgridLines : CLASS.ygridLines,
+            classLine = forX ? CLASS.xgridLine : CLASS.ygridLine;
+        $$.main.select('.' + classLines).selectAll('.' + classLine).filter(toRemove)
+            .transition().duration(config.transition_duration)
+            .style('opacity', 0).remove();
+        if (forX) {
+            config.grid_x_lines = config.grid_x_lines.filter(toShow);
+        } else {
+            config.grid_y_lines = config.grid_y_lines.filter(toShow);
+        }
+    };
+
+    c3_chart_internal_fn.initTooltip = function () {
+        var $$ = this, config = $$.config, i;
+        $$.tooltip = $$.selectChart
+            .style("position", "relative")
+          .append("div")
+            .attr('class', CLASS.tooltipContainer)
+            .style("position", "absolute")
+            .style("pointer-events", "none")
+            .style("display", "none");
+        // Show tooltip if needed
+        if (config.tooltip_init_show) {
+            if ($$.isTimeSeries() && isString(config.tooltip_init_x)) {
+                config.tooltip_init_x = $$.parseDate(config.tooltip_init_x);
+                for (i = 0; i < $$.data.targets[0].values.length; i++) {
+                    if (($$.data.targets[0].values[i].x - config.tooltip_init_x) === 0) { break; }
+                }
+                config.tooltip_init_x = i;
+            }
+            $$.tooltip.html(config.tooltip_contents.call($$, $$.data.targets.map(function (d) {
+                return $$.addName(d.values[config.tooltip_init_x]);
+            }), $$.axis.getXAxisTickFormat(), $$.getYFormat($$.hasArcType()), $$.color));
+            $$.tooltip.style("top", config.tooltip_init_position.top)
+                .style("left", config.tooltip_init_position.left)
+                .style("display", "block");
+        }
+    };
+    c3_chart_internal_fn.getTooltipContent = function (d, defaultTitleFormat, defaultValueFormat, color) {
+        var $$ = this, config = $$.config,
+            titleFormat = config.tooltip_format_title || defaultTitleFormat,
+            nameFormat = config.tooltip_format_name || function (name) { return name; },
+            valueFormat = config.tooltip_format_value || defaultValueFormat,
+            text, i, title, value, name, bgcolor,
+            orderAsc = $$.isOrderAsc();
+
+        if (config.data_groups.length === 0) {
+            d.sort(function(a,b){
+                return orderAsc ? a.value - b.value : b.value - a.value;
+            });
+        } else {
+            var ids = $$.orderTargets($$.data.targets).map(function (i) {
+                return i.id;
+            });
+            d.sort(function(a, b) {
+                if (a.value > 0 && b.value > 0) {
+                    return orderAsc ? ids.indexOf(a.id) - ids.indexOf(b.id) : ids.indexOf(b.id) - ids.indexOf(a.id);
+                } else {
+                    return orderAsc ? a.value - b.value : b.value - a.value;
+                }
+            });
+        }
+
+        for (i = 0; i < d.length; i++) {
+            if (! (d[i] && (d[i].value || d[i].value === 0))) { continue; }
+
+            if (! text) {
+                title = titleFormat ? titleFormat(d[i].x) : d[i].x;
+                text = "<table class='" + $$.CLASS.tooltip + "'>" + (title || title === 0 ? "<tr><th colspan='2'>" + title + "</th></tr>" : "");
+            }
+
+            value = valueFormat(d[i].value, d[i].ratio, d[i].id, d[i].index);
+            if (value !== undefined) {
+                // Skip elements when their name is set to null
+                if (d[i].name === null) { continue; }
+                name = nameFormat(d[i].name, d[i].ratio, d[i].id, d[i].index);
+                bgcolor = $$.levelColor ? $$.levelColor(d[i].value) : color(d[i].id);
+
+                text += "<tr class='" + $$.CLASS.tooltipName + "-" + $$.getTargetSelectorSuffix(d[i].id) + "'>";
+                text += "<td class='name'><span style='background-color:" + bgcolor + "'></span>" + name + "</td>";
+                text += "<td class='value'>" + value + "</td>";
+                text += "</tr>";
+            }
+        }
+        return text + "</table>";
+    };
+    c3_chart_internal_fn.tooltipPosition = function (dataToShow, tWidth, tHeight, element) {
+        var $$ = this, config = $$.config, d3 = $$.d3;
+        var svgLeft, tooltipLeft, tooltipRight, tooltipTop, chartRight;
+        var forArc = $$.hasArcType(),
+            mouse = d3.mouse(element);
+      // Determin tooltip position
+        if (forArc) {
+            tooltipLeft = (($$.width - ($$.isLegendRight ? $$.getLegendWidth() : 0)) / 2) + mouse[0];
+            tooltipTop = ($$.height / 2) + mouse[1] + 20;
+        } else {
+            svgLeft = $$.getSvgLeft(true);
+            if (config.axis_rotated) {
+                tooltipLeft = svgLeft + mouse[0] + 100;
+                tooltipRight = tooltipLeft + tWidth;
+                chartRight = $$.currentWidth - $$.getCurrentPaddingRight();
+                tooltipTop = $$.x(dataToShow[0].x) + 20;
+            } else {
+                tooltipLeft = svgLeft + $$.getCurrentPaddingLeft(true) + $$.x(dataToShow[0].x) + 20;
+                tooltipRight = tooltipLeft + tWidth;
+                chartRight = svgLeft + $$.currentWidth - $$.getCurrentPaddingRight();
+                tooltipTop = mouse[1] + 15;
+            }
+
+            if (tooltipRight > chartRight) {
+                // 20 is needed for Firefox to keep tooltip width
+                tooltipLeft -= tooltipRight - chartRight + 20;
+            }
+            if (tooltipTop + tHeight > $$.currentHeight) {
+                tooltipTop -= tHeight + 30;
+            }
+        }
+        if (tooltipTop < 0) {
+            tooltipTop = 0;
+        }
+        return {top: tooltipTop, left: tooltipLeft};
+    };
+    c3_chart_internal_fn.showTooltip = function (selectedData, element) {
+        var $$ = this, config = $$.config;
+        var tWidth, tHeight, position;
+        var forArc = $$.hasArcType(),
+            dataToShow = selectedData.filter(function (d) { return d && isValue(d.value); }),
+            positionFunction = config.tooltip_position || c3_chart_internal_fn.tooltipPosition;
+        if (dataToShow.length === 0 || !config.tooltip_show) {
+            return;
+        }
+        $$.tooltip.html(config.tooltip_contents.call($$, selectedData, $$.axis.getXAxisTickFormat(), $$.getYFormat(forArc), $$.color)).style("display", "block");
+
+        // Get tooltip dimensions
+        tWidth = $$.tooltip.property('offsetWidth');
+        tHeight = $$.tooltip.property('offsetHeight');
+
+        position = positionFunction.call(this, dataToShow, tWidth, tHeight, element);
+        // Set tooltip
+        $$.tooltip
+            .style("top", position.top + "px")
+            .style("left", position.left + 'px');
+    };
+    c3_chart_internal_fn.hideTooltip = function () {
+        this.tooltip.style("display", "none");
+    };
+
+    c3_chart_internal_fn.initLegend = function () {
+        var $$ = this;
+        $$.legendItemTextBox = {};
+        $$.legendHasRendered = false;
+        $$.legend = $$.svg.append("g").attr("transform", $$.getTranslate('legend'));
+        if (!$$.config.legend_show) {
+            $$.legend.style('visibility', 'hidden');
+            $$.hiddenLegendIds = $$.mapToIds($$.data.targets);
+            return;
+        }
+        // MEMO: call here to update legend box and tranlate for all
+        // MEMO: translate will be upated by this, so transform not needed in updateLegend()
+        $$.updateLegendWithDefaults();
+    };
+    c3_chart_internal_fn.updateLegendWithDefaults = function () {
+        var $$ = this;
+        $$.updateLegend($$.mapToIds($$.data.targets), {withTransform: false, withTransitionForTransform: false, withTransition: false});
+    };
+    c3_chart_internal_fn.updateSizeForLegend = function (legendHeight, legendWidth) {
+        var $$ = this, config = $$.config, insetLegendPosition = {
+            top: $$.isLegendTop ? $$.getCurrentPaddingTop() + config.legend_inset_y + 5.5 : $$.currentHeight - legendHeight - $$.getCurrentPaddingBottom() - config.legend_inset_y,
+            left: $$.isLegendLeft ? $$.getCurrentPaddingLeft() + config.legend_inset_x + 0.5 : $$.currentWidth - legendWidth - $$.getCurrentPaddingRight() - config.legend_inset_x + 0.5
+        };
+
+        $$.margin3 = {
+            top: $$.isLegendRight ? 0 : $$.isLegendInset ? insetLegendPosition.top : $$.currentHeight - legendHeight,
+            right: NaN,
+            bottom: 0,
+            left: $$.isLegendRight ? $$.currentWidth - legendWidth : $$.isLegendInset ? insetLegendPosition.left : 0
+        };
+    };
+    c3_chart_internal_fn.transformLegend = function (withTransition) {
+        var $$ = this;
+        (withTransition ? $$.legend.transition() : $$.legend).attr("transform", $$.getTranslate('legend'));
+    };
+    c3_chart_internal_fn.updateLegendStep = function (step) {
+        this.legendStep = step;
+    };
+    c3_chart_internal_fn.updateLegendItemWidth = function (w) {
+        this.legendItemWidth = w;
+    };
+    c3_chart_internal_fn.updateLegendItemHeight = function (h) {
+        this.legendItemHeight = h;
+    };
+    c3_chart_internal_fn.getLegendWidth = function () {
+        var $$ = this;
+        return $$.config.legend_show ? $$.isLegendRight || $$.isLegendInset ? $$.legendItemWidth * ($$.legendStep + 1) : $$.currentWidth : 0;
+    };
+    c3_chart_internal_fn.getLegendHeight = function () {
+        var $$ = this, h = 0;
+        if ($$.config.legend_show) {
+            if ($$.isLegendRight) {
+                h = $$.currentHeight;
+            } else {
+                h = Math.max(20, $$.legendItemHeight) * ($$.legendStep + 1);
+            }
+        }
+        return h;
+    };
+    c3_chart_internal_fn.opacityForLegend = function (legendItem) {
+        return legendItem.classed(CLASS.legendItemHidden) ? null : 1;
+    };
+    c3_chart_internal_fn.opacityForUnfocusedLegend = function (legendItem) {
+        return legendItem.classed(CLASS.legendItemHidden) ? null : 0.3;
+    };
+    c3_chart_internal_fn.toggleFocusLegend = function (targetIds, focus) {
+        var $$ = this;
+        targetIds = $$.mapToTargetIds(targetIds);
+        $$.legend.selectAll('.' + CLASS.legendItem)
+            .filter(function (id) { return targetIds.indexOf(id) >= 0; })
+            .classed(CLASS.legendItemFocused, focus)
+          .transition().duration(100)
+            .style('opacity', function () {
+                var opacity = focus ? $$.opacityForLegend : $$.opacityForUnfocusedLegend;
+                return opacity.call($$, $$.d3.select(this));
+            });
+    };
+    c3_chart_internal_fn.revertLegend = function () {
+        var $$ = this, d3 = $$.d3;
+        $$.legend.selectAll('.' + CLASS.legendItem)
+            .classed(CLASS.legendItemFocused, false)
+            .transition().duration(100)
+            .style('opacity', function () { return $$.opacityForLegend(d3.select(this)); });
+    };
+    c3_chart_internal_fn.showLegend = function (targetIds) {
+        var $$ = this, config = $$.config;
+        if (!config.legend_show) {
+            config.legend_show = true;
+            $$.legend.style('visibility', 'visible');
+            if (!$$.legendHasRendered) {
+                $$.updateLegendWithDefaults();
+            }
+        }
+        $$.removeHiddenLegendIds(targetIds);
+        $$.legend.selectAll($$.selectorLegends(targetIds))
+            .style('visibility', 'visible')
+            .transition()
+            .style('opacity', function () { return $$.opacityForLegend($$.d3.select(this)); });
+    };
+    c3_chart_internal_fn.hideLegend = function (targetIds) {
+        var $$ = this, config = $$.config;
+        if (config.legend_show && isEmpty(targetIds)) {
+            config.legend_show = false;
+            $$.legend.style('visibility', 'hidden');
+        }
+        $$.addHiddenLegendIds(targetIds);
+        $$.legend.selectAll($$.selectorLegends(targetIds))
+            .style('opacity', 0)
+            .style('visibility', 'hidden');
+    };
+    c3_chart_internal_fn.clearLegendItemTextBoxCache = function () {
+        this.legendItemTextBox = {};
+    };
+    c3_chart_internal_fn.updateLegend = function (targetIds, options, transitions) {
+        var $$ = this, config = $$.config;
+        var xForLegend, xForLegendText, xForLegendRect, yForLegend, yForLegendText, yForLegendRect, x1ForLegendTile, x2ForLegendTile, yForLegendTile;
+        var paddingTop = 4, paddingRight = 10, maxWidth = 0, maxHeight = 0, posMin = 10, tileWidth = config.legend_item_tile_width + 5;
+        var l, totalLength = 0, offsets = {}, widths = {}, heights = {}, margins = [0], steps = {}, step = 0;
+        var withTransition, withTransitionForTransform;
+        var texts, rects, tiles, background;
+
+        // Skip elements when their name is set to null
+        targetIds = targetIds.filter(function(id) {
+            return !isDefined(config.data_names[id]) || config.data_names[id] !== null;
+        });
+
+        options = options || {};
+        withTransition = getOption(options, "withTransition", true);
+        withTransitionForTransform = getOption(options, "withTransitionForTransform", true);
+
+        function getTextBox(textElement, id) {
+            if (!$$.legendItemTextBox[id]) {
+                $$.legendItemTextBox[id] = $$.getTextRect(textElement.textContent, CLASS.legendItem, textElement);
+            }
+            return $$.legendItemTextBox[id];
+        }
+
+        function updatePositions(textElement, id, index) {
+            var reset = index === 0, isLast = index === targetIds.length - 1,
+                box = getTextBox(textElement, id),
+                itemWidth = box.width + tileWidth + (isLast && !($$.isLegendRight || $$.isLegendInset) ? 0 : paddingRight) + config.legend_padding,
+                itemHeight = box.height + paddingTop,
+                itemLength = $$.isLegendRight || $$.isLegendInset ? itemHeight : itemWidth,
+                areaLength = $$.isLegendRight || $$.isLegendInset ? $$.getLegendHeight() : $$.getLegendWidth(),
+                margin, maxLength;
+
+            // MEMO: care about condifion of step, totalLength
+            function updateValues(id, withoutStep) {
+                if (!withoutStep) {
+                    margin = (areaLength - totalLength - itemLength) / 2;
+                    if (margin < posMin) {
+                        margin = (areaLength - itemLength) / 2;
+                        totalLength = 0;
+                        step++;
+                    }
+                }
+                steps[id] = step;
+                margins[step] = $$.isLegendInset ? 10 : margin;
+                offsets[id] = totalLength;
+                totalLength += itemLength;
+            }
+
+            if (reset) {
+                totalLength = 0;
+                step = 0;
+                maxWidth = 0;
+                maxHeight = 0;
+            }
+
+            if (config.legend_show && !$$.isLegendToShow(id)) {
+                widths[id] = heights[id] = steps[id] = offsets[id] = 0;
+                return;
+            }
+
+            widths[id] = itemWidth;
+            heights[id] = itemHeight;
+
+            if (!maxWidth || itemWidth >= maxWidth) { maxWidth = itemWidth; }
+            if (!maxHeight || itemHeight >= maxHeight) { maxHeight = itemHeight; }
+            maxLength = $$.isLegendRight || $$.isLegendInset ? maxHeight : maxWidth;
+
+            if (config.legend_equally) {
+                Object.keys(widths).forEach(function (id) { widths[id] = maxWidth; });
+                Object.keys(heights).forEach(function (id) { heights[id] = maxHeight; });
+                margin = (areaLength - maxLength * targetIds.length) / 2;
+                if (margin < posMin) {
+                    totalLength = 0;
+                    step = 0;
+                    targetIds.forEach(function (id) { updateValues(id); });
+                }
+                else {
+                    updateValues(id, true);
+                }
+            } else {
+                updateValues(id);
+            }
+        }
+
+        if ($$.isLegendInset) {
+            step = config.legend_inset_step ? config.legend_inset_step : targetIds.length;
+            $$.updateLegendStep(step);
+        }
+
+        if ($$.isLegendRight) {
+            xForLegend = function (id) { return maxWidth * steps[id]; };
+            yForLegend = function (id) { return margins[steps[id]] + offsets[id]; };
+        } else if ($$.isLegendInset) {
+            xForLegend = function (id) { return maxWidth * steps[id] + 10; };
+            yForLegend = function (id) { return margins[steps[id]] + offsets[id]; };
+        } else {
+            xForLegend = function (id) { return margins[steps[id]] + offsets[id]; };
+            yForLegend = function (id) { return maxHeight * steps[id]; };
+        }
+        xForLegendText = function (id, i) { return xForLegend(id, i) + 4 + config.legend_item_tile_width; };
+        yForLegendText = function (id, i) { return yForLegend(id, i) + 9; };
+        xForLegendRect = function (id, i) { return xForLegend(id, i); };
+        yForLegendRect = function (id, i) { return yForLegend(id, i) - 5; };
+        x1ForLegendTile = function (id, i) { return xForLegend(id, i) - 2; };
+        x2ForLegendTile = function (id, i) { return xForLegend(id, i) - 2 + config.legend_item_tile_width; };
+        yForLegendTile = function (id, i) { return yForLegend(id, i) + 4; };
+
+        // Define g for legend area
+        l = $$.legend.selectAll('.' + CLASS.legendItem)
+            .data(targetIds)
+            .enter().append('g')
+            .attr('class', function (id) { return $$.generateClass(CLASS.legendItem, id); })
+            .style('visibility', function (id) { return $$.isLegendToShow(id) ? 'visible' : 'hidden'; })
+            .style('cursor', 'pointer')
+            .on('click', function (id) {
+                if (config.legend_item_onclick) {
+                    config.legend_item_onclick.call($$, id);
+                } else {
+                    if ($$.d3.event.altKey) {
+                        $$.api.hide();
+                        $$.api.show(id);
+                    } else {
+                        $$.api.toggle(id);
+                        $$.isTargetToShow(id) ? $$.api.focus(id) : $$.api.revert();
+                    }
+                }
+            })
+            .on('mouseover', function (id) {
+                if (config.legend_item_onmouseover) {
+                    config.legend_item_onmouseover.call($$, id);
+                }
+                else {
+                    $$.d3.select(this).classed(CLASS.legendItemFocused, true);
+                    if (!$$.transiting && $$.isTargetToShow(id)) {
+                        $$.api.focus(id);
+                    }
+                }
+            })
+            .on('mouseout', function (id) {
+                if (config.legend_item_onmouseout) {
+                    config.legend_item_onmouseout.call($$, id);
+                }
+                else {
+                    $$.d3.select(this).classed(CLASS.legendItemFocused, false);
+                    $$.api.revert();
+                }
+            });
+        l.append('text')
+            .text(function (id) { return isDefined(config.data_names[id]) ? config.data_names[id] : id; })
+            .each(function (id, i) { updatePositions(this, id, i); })
+            .style("pointer-events", "none")
+            .attr('x', $$.isLegendRight || $$.isLegendInset ? xForLegendText : -200)
+            .attr('y', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendText);
+        l.append('rect')
+            .attr("class", CLASS.legendItemEvent)
+            .style('fill-opacity', 0)
+            .attr('x', $$.isLegendRight || $$.isLegendInset ? xForLegendRect : -200)
+            .attr('y', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendRect);
+        l.append('line')
+            .attr('class', CLASS.legendItemTile)
+            .style('stroke', $$.color)
+            .style("pointer-events", "none")
+            .attr('x1', $$.isLegendRight || $$.isLegendInset ? x1ForLegendTile : -200)
+            .attr('y1', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendTile)
+            .attr('x2', $$.isLegendRight || $$.isLegendInset ? x2ForLegendTile : -200)
+            .attr('y2', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendTile)
+            .attr('stroke-width', config.legend_item_tile_height);
+
+        // Set background for inset legend
+        background = $$.legend.select('.' + CLASS.legendBackground + ' rect');
+        if ($$.isLegendInset && maxWidth > 0 && background.size() === 0) {
+            background = $$.legend.insert('g', '.' + CLASS.legendItem)
+                .attr("class", CLASS.legendBackground)
+                .append('rect');
+        }
+
+        texts = $$.legend.selectAll('text')
+            .data(targetIds)
+            .text(function (id) { return isDefined(config.data_names[id]) ? config.data_names[id] : id; }) // MEMO: needed for update
+            .each(function (id, i) { updatePositions(this, id, i); });
+        (withTransition ? texts.transition() : texts)
+            .attr('x', xForLegendText)
+            .attr('y', yForLegendText);
+
+        rects = $$.legend.selectAll('rect.' + CLASS.legendItemEvent)
+            .data(targetIds);
+        (withTransition ? rects.transition() : rects)
+            .attr('width', function (id) { return widths[id]; })
+            .attr('height', function (id) { return heights[id]; })
+            .attr('x', xForLegendRect)
+            .attr('y', yForLegendRect);
+
+        tiles = $$.legend.selectAll('line.' + CLASS.legendItemTile)
+                .data(targetIds);
+            (withTransition ? tiles.transition() : tiles)
+                .style('stroke', $$.color)
+                .attr('x1', x1ForLegendTile)
+                .attr('y1', yForLegendTile)
+                .attr('x2', x2ForLegendTile)
+                .attr('y2', yForLegendTile);
+
+        if (background) {
+            (withTransition ? background.transition() : background)
+                .attr('height', $$.getLegendHeight() - 12)
+                .attr('width', maxWidth * (step + 1) + 10);
+        }
+
+        // toggle legend state
+        $$.legend.selectAll('.' + CLASS.legendItem)
+            .classed(CLASS.legendItemHidden, function (id) { return !$$.isTargetToShow(id); });
+
+        // Update all to reflect change of legend
+        $$.updateLegendItemWidth(maxWidth);
+        $$.updateLegendItemHeight(maxHeight);
+        $$.updateLegendStep(step);
+        // Update size and scale
+        $$.updateSizes();
+        $$.updateScales();
+        $$.updateSvgSize();
+        // Update g positions
+        $$.transformAll(withTransitionForTransform, transitions);
+        $$.legendHasRendered = true;
+    };
+
+    c3_chart_internal_fn.initTitle = function () {
+        var $$ = this;
+        $$.title = $$.svg.append("text")
+              .text($$.config.title_text)
+              .attr("class", $$.CLASS.title);
+    };
+    c3_chart_internal_fn.redrawTitle = function () {
+        var $$ = this;
+        $$.title
+              .attr("x", $$.xForTitle.bind($$))
+              .attr("y", $$.yForTitle.bind($$));
+    };
+    c3_chart_internal_fn.xForTitle = function () {
+        var $$ = this, config = $$.config, position = config.title_position || 'left', x;
+        if (position.indexOf('right') >= 0) {
+            x = $$.currentWidth - $$.getTextRect($$.title.node().textContent, $$.CLASS.title, $$.title.node()).width - config.title_padding.right;
+        } else if (position.indexOf('center') >= 0) {
+            x = ($$.currentWidth - $$.getTextRect($$.title.node().textContent, $$.CLASS.title, $$.title.node()).width) / 2;
+        } else { // left
+            x = config.title_padding.left;
+        }
+        return x;
+    };
+    c3_chart_internal_fn.yForTitle = function () {
+        var $$ = this;
+        return $$.config.title_padding.top + $$.getTextRect($$.title.node().textContent, $$.CLASS.title, $$.title.node()).height;
+    };
+    c3_chart_internal_fn.getTitlePadding = function() {
+        var $$ = this;
+        return $$.yForTitle() + $$.config.title_padding.bottom;
+    };
+
+    function Axis(owner) {
+        API.call(this, owner);
+    }
+
+    inherit(API, Axis);
+
+    Axis.prototype.init = function init() {
+
+        var $$ = this.owner, config = $$.config, main = $$.main;
+        $$.axes.x = main.append("g")
+            .attr("class", CLASS.axis + ' ' + CLASS.axisX)
+            .attr("clip-path", $$.clipPathForXAxis)
+            .attr("transform", $$.getTranslate('x'))
+            .style("visibility", config.axis_x_show ? 'visible' : 'hidden');
+        $$.axes.x.append("text")
+            .attr("class", CLASS.axisXLabel)
+            .attr("transform", config.axis_rotated ? "rotate(-90)" : "")
+            .style("text-anchor", this.textAnchorForXAxisLabel.bind(this));
+        $$.axes.y = main.append("g")
+            .attr("class", CLASS.axis + ' ' + CLASS.axisY)
+            .attr("clip-path", config.axis_y_inner ? "" : $$.clipPathForYAxis)
+            .attr("transform", $$.getTranslate('y'))
+            .style("visibility", config.axis_y_show ? 'visible' : 'hidden');
+        $$.axes.y.append("text")
+            .attr("class", CLASS.axisYLabel)
+            .attr("transform", config.axis_rotated ? "" : "rotate(-90)")
+            .style("text-anchor", this.textAnchorForYAxisLabel.bind(this));
+
+        $$.axes.y2 = main.append("g")
+            .attr("class", CLASS.axis + ' ' + CLASS.axisY2)
+            // clip-path?
+            .attr("transform", $$.getTranslate('y2'))
+            .style("visibility", config.axis_y2_show ? 'visible' : 'hidden');
+        $$.axes.y2.append("text")
+            .attr("class", CLASS.axisY2Label)
+            .attr("transform", config.axis_rotated ? "" : "rotate(-90)")
+            .style("text-anchor", this.textAnchorForY2AxisLabel.bind(this));
+    };
+    Axis.prototype.getXAxis = function getXAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition, withoutRotateTickText) {
+        var $$ = this.owner, config = $$.config,
+            axisParams = {
+                isCategory: $$.isCategorized(),
+                withOuterTick: withOuterTick,
+                tickMultiline: config.axis_x_tick_multiline,
+                tickWidth: config.axis_x_tick_width,
+                tickTextRotate: withoutRotateTickText ? 0 : config.axis_x_tick_rotate,
+                withoutTransition: withoutTransition,
+            },
+            axis = c3_axis($$.d3, axisParams).scale(scale).orient(orient);
+
+        if ($$.isTimeSeries() && tickValues && typeof tickValues !== "function") {
+            tickValues = tickValues.map(function (v) { return $$.parseDate(v); });
+        }
+
+        // Set tick
+        axis.tickFormat(tickFormat).tickValues(tickValues);
+        if ($$.isCategorized()) {
+            axis.tickCentered(config.axis_x_tick_centered);
+            if (isEmpty(config.axis_x_tick_culling)) {
+                config.axis_x_tick_culling = false;
+            }
+        }
+
+        return axis;
+    };
+    Axis.prototype.updateXAxisTickValues = function updateXAxisTickValues(targets, axis) {
+        var $$ = this.owner, config = $$.config, tickValues;
+        if (config.axis_x_tick_fit || config.axis_x_tick_count) {
+            tickValues = this.generateTickValues($$.mapTargetsToUniqueXs(targets), config.axis_x_tick_count, $$.isTimeSeries());
+        }
+        if (axis) {
+            axis.tickValues(tickValues);
+        } else {
+            $$.xAxis.tickValues(tickValues);
+            $$.subXAxis.tickValues(tickValues);
+        }
+        return tickValues;
+    };
+    Axis.prototype.getYAxis = function getYAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition) {
+        var axisParams = {
+            withOuterTick: withOuterTick,
+            withoutTransition: withoutTransition,
+        },
+            $$ = this.owner,
+            d3 = $$.d3,
+            config = $$.config,
+            axis = c3_axis(d3, axisParams).scale(scale).orient(orient).tickFormat(tickFormat);
+        if ($$.isTimeSeriesY()) {
+            axis.ticks(d3.time[config.axis_y_tick_time_value], config.axis_y_tick_time_interval);
+        } else {
+            axis.tickValues(tickValues);
+        }
+        return axis;
+    };
+    Axis.prototype.getId = function getId(id) {
+        var config = this.owner.config;
+        return id in config.data_axes ? config.data_axes[id] : 'y';
+    };
+    Axis.prototype.getXAxisTickFormat = function getXAxisTickFormat() {
+        var $$ = this.owner, config = $$.config,
+            format = $$.isTimeSeries() ? $$.defaultAxisTimeFormat : $$.isCategorized() ? $$.categoryName : function (v) { return v < 0 ? v.toFixed(0) : v; };
+        if (config.axis_x_tick_format) {
+            if (isFunction(config.axis_x_tick_format)) {
+                format = config.axis_x_tick_format;
+            } else if ($$.isTimeSeries()) {
+                format = function (date) {
+                    return date ? $$.axisTimeFormat(config.axis_x_tick_format)(date) : "";
+                };
+            }
+        }
+        return isFunction(format) ? function (v) { return format.call($$, v); } : format;
+    };
+    Axis.prototype.getTickValues = function getTickValues(tickValues, axis) {
+        return tickValues ? tickValues : axis ? axis.tickValues() : undefined;
+    };
+    Axis.prototype.getXAxisTickValues = function getXAxisTickValues() {
+        return this.getTickValues(this.owner.config.axis_x_tick_values, this.owner.xAxis);
+    };
+    Axis.prototype.getYAxisTickValues = function getYAxisTickValues() {
+        return this.getTickValues(this.owner.config.axis_y_tick_values, this.owner.yAxis);
+    };
+    Axis.prototype.getY2AxisTickValues = function getY2AxisTickValues() {
+        return this.getTickValues(this.owner.config.axis_y2_tick_values, this.owner.y2Axis);
+    };
+    Axis.prototype.getLabelOptionByAxisId = function getLabelOptionByAxisId(axisId) {
+        var $$ = this.owner, config = $$.config, option;
+        if (axisId === 'y') {
+            option = config.axis_y_label;
+        } else if (axisId === 'y2') {
+            option = config.axis_y2_label;
+        } else if (axisId === 'x') {
+            option = config.axis_x_label;
+        }
+        return option;
+    };
+    Axis.prototype.getLabelText = function getLabelText(axisId) {
+        var option = this.getLabelOptionByAxisId(axisId);
+        return isString(option) ? option : option ? option.text : null;
+    };
+    Axis.prototype.setLabelText = function setLabelText(axisId, text) {
+        var $$ = this.owner, config = $$.config,
+            option = this.getLabelOptionByAxisId(axisId);
+        if (isString(option)) {
+            if (axisId === 'y') {
+                config.axis_y_label = text;
+            } else if (axisId === 'y2') {
+                config.axis_y2_label = text;
+            } else if (axisId === 'x') {
+                config.axis_x_label = text;
+            }
+        } else if (option) {
+            option.text = text;
+        }
+    };
+    Axis.prototype.getLabelPosition = function getLabelPosition(axisId, defaultPosition) {
+        var option = this.getLabelOptionByAxisId(axisId),
+            position = (option && typeof option === 'object' && option.position) ? option.position : defaultPosition;
+        return {
+            isInner: position.indexOf('inner') >= 0,
+            isOuter: position.indexOf('outer') >= 0,
+            isLeft: position.indexOf('left') >= 0,
+            isCenter: position.indexOf('center') >= 0,
+            isRight: position.indexOf('right') >= 0,
+            isTop: position.indexOf('top') >= 0,
+            isMiddle: position.indexOf('middle') >= 0,
+            isBottom: position.indexOf('bottom') >= 0
+        };
+    };
+    Axis.prototype.getXAxisLabelPosition = function getXAxisLabelPosition() {
+        return this.getLabelPosition('x', this.owner.config.axis_rotated ? 'inner-top' : 'inner-right');
+    };
+    Axis.prototype.getYAxisLabelPosition = function getYAxisLabelPosition() {
+        return this.getLabelPosition('y', this.owner.config.axis_rotated ? 'inner-right' : 'inner-top');
+    };
+    Axis.prototype.getY2AxisLabelPosition = function getY2AxisLabelPosition() {
+        return this.getLabelPosition('y2', this.owner.config.axis_rotated ? 'inner-right' : 'inner-top');
+    };
+    Axis.prototype.getLabelPositionById = function getLabelPositionById(id) {
+        return id === 'y2' ? this.getY2AxisLabelPosition() : id === 'y' ? this.getYAxisLabelPosition() : this.getXAxisLabelPosition();
+    };
+    Axis.prototype.textForXAxisLabel = function textForXAxisLabel() {
+        return this.getLabelText('x');
+    };
+    Axis.prototype.textForYAxisLabel = function textForYAxisLabel() {
+        return this.getLabelText('y');
+    };
+    Axis.prototype.textForY2AxisLabel = function textForY2AxisLabel() {
+        return this.getLabelText('y2');
+    };
+    Axis.prototype.xForAxisLabel = function xForAxisLabel(forHorizontal, position) {
+        var $$ = this.owner;
+        if (forHorizontal) {
+            return position.isLeft ? 0 : position.isCenter ? $$.width / 2 : $$.width;
+        } else {
+            return position.isBottom ? -$$.height : position.isMiddle ? -$$.height / 2 : 0;
+        }
+    };
+    Axis.prototype.dxForAxisLabel = function dxForAxisLabel(forHorizontal, position) {
+        if (forHorizontal) {
+            return position.isLeft ? "0.5em" : position.isRight ? "-0.5em" : "0";
+        } else {
+            return position.isTop ? "-0.5em" : position.isBottom ? "0.5em" : "0";
+        }
+    };
+    Axis.prototype.textAnchorForAxisLabel = function textAnchorForAxisLabel(forHorizontal, position) {
+        if (forHorizontal) {
+            return position.isLeft ? 'start' : position.isCenter ? 'middle' : 'end';
+        } else {
+            return position.isBottom ? 'start' : position.isMiddle ? 'middle' : 'end';
+        }
+    };
+    Axis.prototype.xForXAxisLabel = function xForXAxisLabel() {
+        return this.xForAxisLabel(!this.owner.config.axis_rotated, this.getXAxisLabelPosition());
+    };
+    Axis.prototype.xForYAxisLabel = function xForYAxisLabel() {
+        return this.xForAxisLabel(this.owner.config.axis_rotated, this.getYAxisLabelPosition());
+    };
+    Axis.prototype.xForY2AxisLabel = function xForY2AxisLabel() {
+        return this.xForAxisLabel(this.owner.config.axis_rotated, this.getY2AxisLabelPosition());
+    };
+    Axis.prototype.dxForXAxisLabel = function dxForXAxisLabel() {
+        return this.dxForAxisLabel(!this.owner.config.axis_rotated, this.getXAxisLabelPosition());
+    };
+    Axis.prototype.dxForYAxisLabel = function dxForYAxisLabel() {
+        return this.dxForAxisLabel(this.owner.config.axis_rotated, this.getYAxisLabelPosition());
+    };
+    Axis.prototype.dxForY2AxisLabel = function dxForY2AxisLabel() {
+        return this.dxForAxisLabel(this.owner.config.axis_rotated, this.getY2AxisLabelPosition());
+    };
+    Axis.prototype.dyForXAxisLabel = function dyForXAxisLabel() {
+        var $$ = this.owner, config = $$.config,
+            position = this.getXAxisLabelPosition();
+        if (config.axis_rotated) {
+            return position.isInner ? "1.2em" : -25 - this.getMaxTickWidth('x');
+        } else {
+            return position.isInner ? "-0.5em" : config.axis_x_height ? config.axis_x_height - 10 : "3em";
+        }
+    };
+    Axis.prototype.dyForYAxisLabel = function dyForYAxisLabel() {
+        var $$ = this.owner,
+            position = this.getYAxisLabelPosition();
+        if ($$.config.axis_rotated) {
+            return position.isInner ? "-0.5em" : "3em";
+        } else {
+            return position.isInner ? "1.2em" : -10 - ($$.config.axis_y_inner ? 0 : (this.getMaxTickWidth('y') + 10));
+        }
+    };
+    Axis.prototype.dyForY2AxisLabel = function dyForY2AxisLabel() {
+        var $$ = this.owner,
+            position = this.getY2AxisLabelPosition();
+        if ($$.config.axis_rotated) {
+            return position.isInner ? "1.2em" : "-2.2em";
+        } else {
+            return position.isInner ? "-0.5em" : 15 + ($$.config.axis_y2_inner ? 0 : (this.getMaxTickWidth('y2') + 15));
+        }
+    };
+    Axis.prototype.textAnchorForXAxisLabel = function textAnchorForXAxisLabel() {
+        var $$ = this.owner;
+        return this.textAnchorForAxisLabel(!$$.config.axis_rotated, this.getXAxisLabelPosition());
+    };
+    Axis.prototype.textAnchorForYAxisLabel = function textAnchorForYAxisLabel() {
+        var $$ = this.owner;
+        return this.textAnchorForAxisLabel($$.config.axis_rotated, this.getYAxisLabelPosition());
+    };
+    Axis.prototype.textAnchorForY2AxisLabel = function textAnchorForY2AxisLabel() {
+        var $$ = this.owner;
+        return this.textAnchorForAxisLabel($$.config.axis_rotated, this.getY2AxisLabelPosition());
+    };
+    Axis.prototype.getMaxTickWidth = function getMaxTickWidth(id, withoutRecompute) {
+        var $$ = this.owner, config = $$.config,
+            maxWidth = 0, targetsToShow, scale, axis, dummy, svg;
+        if (withoutRecompute && $$.currentMaxTickWidths[id]) {
+            return $$.currentMaxTickWidths[id];
+        }
+        if ($$.svg) {
+            targetsToShow = $$.filterTargetsToShow($$.data.targets);
+            if (id === 'y') {
+                scale = $$.y.copy().domain($$.getYDomain(targetsToShow, 'y'));
+                axis = this.getYAxis(scale, $$.yOrient, config.axis_y_tick_format, $$.yAxisTickValues, false, true);
+            } else if (id === 'y2') {
+                scale = $$.y2.copy().domain($$.getYDomain(targetsToShow, 'y2'));
+                axis = this.getYAxis(scale, $$.y2Orient, config.axis_y2_tick_format, $$.y2AxisTickValues, false, true);
+            } else {
+                scale = $$.x.copy().domain($$.getXDomain(targetsToShow));
+                axis = this.getXAxis(scale, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues, false, true, true);
+                this.updateXAxisTickValues(targetsToShow, axis);
+            }
+            dummy = $$.d3.select('body').append('div').classed('c3', true);
+            svg = dummy.append("svg").style('visibility', 'hidden').style('position', 'fixed').style('top', 0).style('left', 0),
+            svg.append('g').call(axis).each(function () {
+                $$.d3.select(this).selectAll('text').each(function () {
+                    var box = this.getBoundingClientRect();
+                    if (maxWidth < box.width) { maxWidth = box.width; }
+                });
+                dummy.remove();
+            });
+        }
+        $$.currentMaxTickWidths[id] = maxWidth <= 0 ? $$.currentMaxTickWidths[id] : maxWidth;
+        return $$.currentMaxTickWidths[id];
+    };
+
+    Axis.prototype.updateLabels = function updateLabels(withTransition) {
+        var $$ = this.owner;
+        var axisXLabel = $$.main.select('.' + CLASS.axisX + ' .' + CLASS.axisXLabel),
+            axisYLabel = $$.main.select('.' + CLASS.axisY + ' .' + CLASS.axisYLabel),
+            axisY2Label = $$.main.select('.' + CLASS.axisY2 + ' .' + CLASS.axisY2Label);
+        (withTransition ? axisXLabel.transition() : axisXLabel)
+            .attr("x", this.xForXAxisLabel.bind(this))
+            .attr("dx", this.dxForXAxisLabel.bind(this))
+            .attr("dy", this.dyForXAxisLabel.bind(this))
+            .text(this.textForXAxisLabel.bind(this));
+        (withTransition ? axisYLabel.transition() : axisYLabel)
+            .attr("x", this.xForYAxisLabel.bind(this))
+            .attr("dx", this.dxForYAxisLabel.bind(this))
+            .attr("dy", this.dyForYAxisLabel.bind(this))
+            .text(this.textForYAxisLabel.bind(this));
+        (withTransition ? axisY2Label.transition() : axisY2Label)
+            .attr("x", this.xForY2AxisLabel.bind(this))
+            .attr("dx", this.dxForY2AxisLabel.bind(this))
+            .attr("dy", this.dyForY2AxisLabel.bind(this))
+            .text(this.textForY2AxisLabel.bind(this));
+    };
+    Axis.prototype.getPadding = function getPadding(padding, key, defaultValue, domainLength) {
+        var p = typeof padding === 'number' ? padding : padding[key];
+        if (!isValue(p)) {
+            return defaultValue;
+        }
+        if (padding.unit === 'ratio') {
+            return padding[key] * domainLength;
+        }
+        // assume padding is pixels if unit is not specified
+        return this.convertPixelsToAxisPadding(p, domainLength);
+    };
+    Axis.prototype.convertPixelsToAxisPadding = function convertPixelsToAxisPadding(pixels, domainLength) {
+        var $$ = this.owner,
+            length = $$.config.axis_rotated ? $$.width : $$.height;
+        return domainLength * (pixels / length);
+    };
+    Axis.prototype.generateTickValues = function generateTickValues(values, tickCount, forTimeSeries) {
+        var tickValues = values, targetCount, start, end, count, interval, i, tickValue;
+        if (tickCount) {
+            targetCount = isFunction(tickCount) ? tickCount() : tickCount;
+            // compute ticks according to tickCount
+            if (targetCount === 1) {
+                tickValues = [values[0]];
+            } else if (targetCount === 2) {
+                tickValues = [values[0], values[values.length - 1]];
+            } else if (targetCount > 2) {
+                count = targetCount - 2;
+                start = values[0];
+                end = values[values.length - 1];
+                interval = (end - start) / (count + 1);
+                // re-construct unique values
+                tickValues = [start];
+                for (i = 0; i < count; i++) {
+                    tickValue = +start + interval * (i + 1);
+                    tickValues.push(forTimeSeries ? new Date(tickValue) : tickValue);
+                }
+                tickValues.push(end);
+            }
+        }
+        if (!forTimeSeries) { tickValues = tickValues.sort(function (a, b) { return a - b; }); }
+        return tickValues;
+    };
+    Axis.prototype.generateTransitions = function generateTransitions(duration) {
+        var $$ = this.owner, axes = $$.axes;
+        return {
+            axisX: duration ? axes.x.transition().duration(duration) : axes.x,
+            axisY: duration ? axes.y.transition().duration(duration) : axes.y,
+            axisY2: duration ? axes.y2.transition().duration(duration) : axes.y2,
+            axisSubX: duration ? axes.subx.transition().duration(duration) : axes.subx
+        };
+    };
+    Axis.prototype.redraw = function redraw(transitions, isHidden) {
+        var $$ = this.owner;
+        $$.axes.x.style("opacity", isHidden ? 0 : 1);
+        $$.axes.y.style("opacity", isHidden ? 0 : 1);
+        $$.axes.y2.style("opacity", isHidden ? 0 : 1);
+        $$.axes.subx.style("opacity", isHidden ? 0 : 1);
+        transitions.axisX.call($$.xAxis);
+        transitions.axisY.call($$.yAxis);
+        transitions.axisY2.call($$.y2Axis);
+        transitions.axisSubX.call($$.subXAxis);
+    };
+
+    c3_chart_internal_fn.getClipPath = function (id) {
+        var isIE9 = window.navigator.appVersion.toLowerCase().indexOf("msie 9.") >= 0;
+        return "url(" + (isIE9 ? "" : document.URL.split('#')[0]) + "#" + id + ")";
+    };
+    c3_chart_internal_fn.appendClip = function (parent, id) {
+        return parent.append("clipPath").attr("id", id).append("rect");
+    };
+    c3_chart_internal_fn.getAxisClipX = function (forHorizontal) {
+        // axis line width + padding for left
+        var left = Math.max(30, this.margin.left);
+        return forHorizontal ? -(1 + left) : -(left - 1);
+    };
+    c3_chart_internal_fn.getAxisClipY = function (forHorizontal) {
+        return forHorizontal ? -20 : -this.margin.top;
+    };
+    c3_chart_internal_fn.getXAxisClipX = function () {
+        var $$ = this;
+        return $$.getAxisClipX(!$$.config.axis_rotated);
+    };
+    c3_chart_internal_fn.getXAxisClipY = function () {
+        var $$ = this;
+        return $$.getAxisClipY(!$$.config.axis_rotated);
+    };
+    c3_chart_internal_fn.getYAxisClipX = function () {
+        var $$ = this;
+        return $$.config.axis_y_inner ? -1 : $$.getAxisClipX($$.config.axis_rotated);
+    };
+    c3_chart_internal_fn.getYAxisClipY = function () {
+        var $$ = this;
+        return $$.getAxisClipY($$.config.axis_rotated);
+    };
+    c3_chart_internal_fn.getAxisClipWidth = function (forHorizontal) {
+        var $$ = this,
+            left = Math.max(30, $$.margin.left),
+            right = Math.max(30, $$.margin.right);
+        // width + axis line width + padding for left/right
+        return forHorizontal ? $$.width + 2 + left + right : $$.margin.left + 20;
+    };
+    c3_chart_internal_fn.getAxisClipHeight = function (forHorizontal) {
+        // less than 20 is not enough to show the axis label 'outer' without legend
+        return (forHorizontal ? this.margin.bottom : (this.margin.top + this.height)) + 20;
+    };
+    c3_chart_internal_fn.getXAxisClipWidth = function () {
+        var $$ = this;
+        return $$.getAxisClipWidth(!$$.config.axis_rotated);
+    };
+    c3_chart_internal_fn.getXAxisClipHeight = function () {
+        var $$ = this;
+        return $$.getAxisClipHeight(!$$.config.axis_rotated);
+    };
+    c3_chart_internal_fn.getYAxisClipWidth = function () {
+        var $$ = this;
+        return $$.getAxisClipWidth($$.config.axis_rotated) + ($$.config.axis_y_inner ? 20 : 0);
+    };
+    c3_chart_internal_fn.getYAxisClipHeight = function () {
+        var $$ = this;
+        return $$.getAxisClipHeight($$.config.axis_rotated);
+    };
+
+    c3_chart_internal_fn.initPie = function () {
+        var $$ = this, d3 = $$.d3, config = $$.config;
+        $$.pie = d3.layout.pie().value(function (d) {
+            return d.values.reduce(function (a, b) { return a + b.value; }, 0);
+        });
+        if (!config.data_order) {
+            $$.pie.sort(null);
+        }
+    };
+
+    c3_chart_internal_fn.updateRadius = function () {
+        var $$ = this, config = $$.config,
+            w = config.gauge_width || config.donut_width;
+        $$.radiusExpanded = Math.min($$.arcWidth, $$.arcHeight) / 2;
+        $$.radius = $$.radiusExpanded * 0.95;
+        $$.innerRadiusRatio = w ? ($$.radius - w) / $$.radius : 0.6;
+        $$.innerRadius = $$.hasType('donut') || $$.hasType('gauge') ? $$.radius * $$.innerRadiusRatio : 0;
+    };
+
+    c3_chart_internal_fn.updateArc = function () {
+        var $$ = this;
+        $$.svgArc = $$.getSvgArc();
+        $$.svgArcExpanded = $$.getSvgArcExpanded();
+        $$.svgArcExpandedSub = $$.getSvgArcExpanded(0.98);
+    };
+
+    c3_chart_internal_fn.updateAngle = function (d) {
+        var $$ = this, config = $$.config,
+            found = false, index = 0,
+            gMin, gMax, gTic, gValue;
+
+        if (!config) {
+            return null;
+        }
+
+        $$.pie($$.filterTargetsToShow($$.data.targets)).forEach(function (t) {
+            if (! found && t.data.id === d.data.id) {
+                found = true;
+                d = t;
+                d.index = index;
+            }
+            index++;
+        });
+        if (isNaN(d.startAngle)) {
+            d.startAngle = 0;
+        }
+        if (isNaN(d.endAngle)) {
+            d.endAngle = d.startAngle;
+        }
+        if ($$.isGaugeType(d.data)) {
+            gMin = config.gauge_min;
+            gMax = config.gauge_max;
+            gTic = (Math.PI) / (gMax - gMin);
+            gValue = d.value < gMin ? 0 : d.value < gMax ? d.value - gMin : (gMax - gMin);
+            d.startAngle = -1 * (Math.PI / 2);
+            d.endAngle = d.startAngle + gTic * gValue;
+        }
+        return found ? d : null;
+    };
+
+    c3_chart_internal_fn.getSvgArc = function () {
+        var $$ = this,
+            arc = $$.d3.svg.arc().outerRadius($$.radius).innerRadius($$.innerRadius),
+            newArc = function (d, withoutUpdate) {
+                var updated;
+                if (withoutUpdate) { return arc(d); } // for interpolate
+                updated = $$.updateAngle(d);
+                return updated ? arc(updated) : "M 0 0";
+            };
+        // TODO: extends all function
+        newArc.centroid = arc.centroid;
+        return newArc;
+    };
+
+    c3_chart_internal_fn.getSvgArcExpanded = function (rate) {
+        var $$ = this,
+            arc = $$.d3.svg.arc().outerRadius($$.radiusExpanded * (rate ? rate : 1)).innerRadius($$.innerRadius);
+        return function (d) {
+            var updated = $$.updateAngle(d);
+            return updated ? arc(updated) : "M 0 0";
+        };
+    };
+
+    c3_chart_internal_fn.getArc = function (d, withoutUpdate, force) {
+        return force || this.isArcType(d.data) ? this.svgArc(d, withoutUpdate) : "M 0 0";
+    };
+
+
+    c3_chart_internal_fn.transformForArcLabel = function (d) {
+        var $$ = this,
+            updated = $$.updateAngle(d), c, x, y, h, ratio, translate = "";
+        if (updated && !$$.hasType('gauge')) {
+            c = this.svgArc.centroid(updated);
+            x = isNaN(c[0]) ? 0 : c[0];
+            y = isNaN(c[1]) ? 0 : c[1];
+            h = Math.sqrt(x * x + y * y);
+            // TODO: ratio should be an option?
+            ratio = $$.radius && h ? (36 / $$.radius > 0.375 ? 1.175 - 36 / $$.radius : 0.8) * $$.radius / h : 0;
+            translate = "translate(" + (x * ratio) +  ',' + (y * ratio) +  ")";
+        }
+        return translate;
+    };
+
+    c3_chart_internal_fn.getArcRatio = function (d) {
+        var $$ = this,
+            whole = $$.hasType('gauge') ? Math.PI : (Math.PI * 2);
+        return d ? (d.endAngle - d.startAngle) / whole : null;
+    };
+
+    c3_chart_internal_fn.convertToArcData = function (d) {
+        return this.addName({
+            id: d.data.id,
+            value: d.value,
+            ratio: this.getArcRatio(d),
+            index: d.index
+        });
+    };
+
+    c3_chart_internal_fn.textForArcLabel = function (d) {
+        var $$ = this,
+            updated, value, ratio, id, format;
+        if (! $$.shouldShowArcLabel()) { return ""; }
+        updated = $$.updateAngle(d);
+        value = updated ? updated.value : null;
+        ratio = $$.getArcRatio(updated);
+        id = d.data.id;
+        if (! $$.hasType('gauge') && ! $$.meetsArcLabelThreshold(ratio)) { return ""; }
+        format = $$.getArcLabelFormat();
+        return format ? format(value, ratio, id) : $$.defaultArcValueFormat(value, ratio);
+    };
+
+    c3_chart_internal_fn.expandArc = function (targetIds) {
+        var $$ = this, interval;
+
+        // MEMO: avoid to cancel transition
+        if ($$.transiting) {
+            interval = window.setInterval(function () {
+                if (!$$.transiting) {
+                    window.clearInterval(interval);
+                    if ($$.legend.selectAll('.c3-legend-item-focused').size() > 0) {
+                        $$.expandArc(targetIds);
+                    }
+                }
+            }, 10);
+            return;
+        }
+
+        targetIds = $$.mapToTargetIds(targetIds);
+
+        $$.svg.selectAll($$.selectorTargets(targetIds, '.' + CLASS.chartArc)).each(function (d) {
+            if (! $$.shouldExpand(d.data.id)) { return; }
+            $$.d3.select(this).selectAll('path')
+                .transition().duration($$.expandDuration(d.data.id))
+                .attr("d", $$.svgArcExpanded)
+                .transition().duration($$.expandDuration(d.data.id) * 2)
+                .attr("d", $$.svgArcExpandedSub)
+                .each(function (d) {
+                    if ($$.isDonutType(d.data)) {
+                        // callback here
+                    }
+                });
+        });
+    };
+
+    c3_chart_internal_fn.unexpandArc = function (targetIds) {
+        var $$ = this;
+
+        if ($$.transiting) { return; }
+
+        targetIds = $$.mapToTargetIds(targetIds);
+
+        $$.svg.selectAll($$.selectorTargets(targetIds, '.' + CLASS.chartArc)).selectAll('path')
+            .transition().duration(function(d) {
+                return $$.expandDuration(d.data.id);
+            })
+            .attr("d", $$.svgArc);
+        $$.svg.selectAll('.' + CLASS.arc)
+            .style("opacity", 1);
+    };
+
+    c3_chart_internal_fn.expandDuration = function (id) {
+        var $$ = this, config = $$.config;
+
+        if ($$.isDonutType(id)) {
+            return config.donut_expand_duration;
+        } else if ($$.isGaugeType(id)) {
+            return config.gauge_expand_duration;
+        } else if ($$.isPieType(id)) {
+            return config.pie_expand_duration;
+        } else {
+            return 50;
+        }
+
+    };
+
+    c3_chart_internal_fn.shouldExpand = function (id) {
+        var $$ = this, config = $$.config;
+        return ($$.isDonutType(id) && config.donut_expand) ||
+               ($$.isGaugeType(id) && config.gauge_expand) ||
+               ($$.isPieType(id) && config.pie_expand);
+    };
+
+    c3_chart_internal_fn.shouldShowArcLabel = function () {
+        var $$ = this, config = $$.config, shouldShow = true;
+        if ($$.hasType('donut')) {
+            shouldShow = config.donut_label_show;
+        } else if ($$.hasType('pie')) {
+            shouldShow = config.pie_label_show;
+        }
+        // when gauge, always true
+        return shouldShow;
+    };
+
+    c3_chart_internal_fn.meetsArcLabelThreshold = function (ratio) {
+        var $$ = this, config = $$.config,
+            threshold = $$.hasType('donut') ? config.donut_label_threshold : config.pie_label_threshold;
+        return ratio >= threshold;
+    };
+
+    c3_chart_internal_fn.getArcLabelFormat = function () {
+        var $$ = this, config = $$.config,
+            format = config.pie_label_format;
+        if ($$.hasType('gauge')) {
+            format = config.gauge_label_format;
+        } else if ($$.hasType('donut')) {
+            format = config.donut_label_format;
+        }
+        return format;
+    };
+
+    c3_chart_internal_fn.getArcTitle = function () {
+        var $$ = this;
+        return $$.hasType('donut') ? $$.config.donut_title : "";
+    };
+
+    c3_chart_internal_fn.updateTargetsForArc = function (targets) {
+        var $$ = this, main = $$.main,
+            mainPieUpdate, mainPieEnter,
+            classChartArc = $$.classChartArc.bind($$),
+            classArcs = $$.classArcs.bind($$),
+            classFocus = $$.classFocus.bind($$);
+        mainPieUpdate = main.select('.' + CLASS.chartArcs).selectAll('.' + CLASS.chartArc)
+            .data($$.pie(targets))
+            .attr("class", function (d) { return classChartArc(d) + classFocus(d.data); });
+        mainPieEnter = mainPieUpdate.enter().append("g")
+            .attr("class", classChartArc);
+        mainPieEnter.append('g')
+            .attr('class', classArcs);
+        mainPieEnter.append("text")
+            .attr("dy", $$.hasType('gauge') ? "-.1em" : ".35em")
+            .style("opacity", 0)
+            .style("text-anchor", "middle")
+            .style("pointer-events", "none");
+        // MEMO: can not keep same color..., but not bad to update color in redraw
+        //mainPieUpdate.exit().remove();
+    };
+
+    c3_chart_internal_fn.initArc = function () {
+        var $$ = this;
+        $$.arcs = $$.main.select('.' + CLASS.chart).append("g")
+            .attr("class", CLASS.chartArcs)
+            .attr("transform", $$.getTranslate('arc'));
+        $$.arcs.append('text')
+            .attr('class', CLASS.chartArcsTitle)
+            .style("text-anchor", "middle")
+            .text($$.getArcTitle());
+    };
+
+    c3_chart_internal_fn.redrawArc = function (duration, durationForExit, withTransform) {
+        var $$ = this, d3 = $$.d3, config = $$.config, main = $$.main,
+            mainArc;
+        mainArc = main.selectAll('.' + CLASS.arcs).selectAll('.' + CLASS.arc)
+            .data($$.arcData.bind($$));
+        mainArc.enter().append('path')
+            .attr("class", $$.classArc.bind($$))
+            .style("fill", function (d) { return $$.color(d.data); })
+            .style("cursor", function (d) { return config.interaction_enabled && config.data_selection_isselectable(d) ? "pointer" : null; })
+            .style("opacity", 0)
+            .each(function (d) {
+                if ($$.isGaugeType(d.data)) {
+                    d.startAngle = d.endAngle = -1 * (Math.PI / 2);
+                }
+                this._current = d;
+            });
+        mainArc
+            .attr("transform", function (d) { return !$$.isGaugeType(d.data) && withTransform ? "scale(0)" : ""; })
+            .style("opacity", function (d) { return d === this._current ? 0 : 1; })
+            .on('mouseover', config.interaction_enabled ? function (d) {
+                var updated, arcData;
+                if ($$.transiting) { // skip while transiting
+                    return;
+                }
+                updated = $$.updateAngle(d);
+                if (updated) {
+                    arcData = $$.convertToArcData(updated);
+                    // transitions
+                    $$.expandArc(updated.data.id);
+                    $$.api.focus(updated.data.id);
+                    $$.toggleFocusLegend(updated.data.id, true);
+                    $$.config.data_onmouseover(arcData, this);
+                }
+            } : null)
+            .on('mousemove', config.interaction_enabled ? function (d) {
+                var updated = $$.updateAngle(d), arcData, selectedData;
+                if (updated) {
+                    arcData = $$.convertToArcData(updated),
+                    selectedData = [arcData];
+                    $$.showTooltip(selectedData, this);
+                }
+            } : null)
+            .on('mouseout', config.interaction_enabled ? function (d) {
+                var updated, arcData;
+                if ($$.transiting) { // skip while transiting
+                    return;
+                }
+                updated = $$.updateAngle(d);
+                if (updated) {
+                    arcData = $$.convertToArcData(updated);
+                    // transitions
+                    $$.unexpandArc(updated.data.id);
+                    $$.api.revert();
+                    $$.revertLegend();
+                    $$.hideTooltip();
+                    $$.config.data_onmouseout(arcData, this);
+                }
+            } : null)
+            .on('click', config.interaction_enabled ? function (d, i) {
+                var updated = $$.updateAngle(d), arcData;
+                if (updated) {
+                    arcData = $$.convertToArcData(updated);
+                    if ($$.toggleShape) {
+                        $$.toggleShape(this, arcData, i);
+                    }
+                    $$.config.data_onclick.call($$.api, arcData, this);
+                }
+            } : null)
+            .each(function () { $$.transiting = true; })
+            .transition().duration(duration)
+            .attrTween("d", function (d) {
+                var updated = $$.updateAngle(d), interpolate;
+                if (! updated) {
+                    return function () { return "M 0 0"; };
+                }
+                //                if (this._current === d) {
+                //                    this._current = {
+                //                        startAngle: Math.PI*2,
+                //                        endAngle: Math.PI*2,
+                //                    };
+                //                }
+                if (isNaN(this._current.startAngle)) {
+                    this._current.startAngle = 0;
+                }
+                if (isNaN(this._current.endAngle)) {
+                    this._current.endAngle = this._current.startAngle;
+                }
+                interpolate = d3.interpolate(this._current, updated);
+                this._current = interpolate(0);
+                return function (t) {
+                    var interpolated = interpolate(t);
+                    interpolated.data = d.data; // data.id will be updated by interporator
+                    return $$.getArc(interpolated, true);
+                };
+            })
+            .attr("transform", withTransform ? "scale(1)" : "")
+            .style("fill", function (d) {
+                return $$.levelColor ? $$.levelColor(d.data.values[0].value) : $$.color(d.data.id);
+            }) // Where gauge reading color would receive customization.
+            .style("opacity", 1)
+            .call($$.endall, function () {
+                $$.transiting = false;
+            });
+        mainArc.exit().transition().duration(durationForExit)
+            .style('opacity', 0)
+            .remove();
+        main.selectAll('.' + CLASS.chartArc).select('text')
+            .style("opacity", 0)
+            .attr('class', function (d) { return $$.isGaugeType(d.data) ? CLASS.gaugeValue : ''; })
+            .text($$.textForArcLabel.bind($$))
+            .attr("transform", $$.transformForArcLabel.bind($$))
+            .style('font-size', function (d) { return $$.isGaugeType(d.data) ? Math.round($$.radius / 5) + 'px' : ''; })
+          .transition().duration(duration)
+            .style("opacity", function (d) { return $$.isTargetToShow(d.data.id) && $$.isArcType(d.data) ? 1 : 0; });
+        main.select('.' + CLASS.chartArcsTitle)
+            .style("opacity", $$.hasType('donut') || $$.hasType('gauge') ? 1 : 0);
+
+        if ($$.hasType('gauge')) {
+            $$.arcs.select('.' + CLASS.chartArcsBackground)
+                .attr("d", function () {
+                    var d = {
+                        data: [{value: config.gauge_max}],
+                        startAngle: -1 * (Math.PI / 2),
+                        endAngle: Math.PI / 2
+                    };
+                    return $$.getArc(d, true, true);
+                });
+            $$.arcs.select('.' + CLASS.chartArcsGaugeUnit)
+                .attr("dy", ".75em")
+                .text(config.gauge_label_show ? config.gauge_units : '');
+            $$.arcs.select('.' + CLASS.chartArcsGaugeMin)
+                .attr("dx", -1 * ($$.innerRadius + (($$.radius - $$.innerRadius) / 2)) + "px")
+                .attr("dy", "1.2em")
+                .text(config.gauge_label_show ? config.gauge_min : '');
+            $$.arcs.select('.' + CLASS.chartArcsGaugeMax)
+                .attr("dx", $$.innerRadius + (($$.radius - $$.innerRadius) / 2) + "px")
+                .attr("dy", "1.2em")
+                .text(config.gauge_label_show ? config.gauge_max : '');
+        }
+    };
+    c3_chart_internal_fn.initGauge = function () {
+        var arcs = this.arcs;
+        if (this.hasType('gauge')) {
+            arcs.append('path')
+                .attr("class", CLASS.chartArcsBackground);
+            arcs.append("text")
+                .attr("class", CLASS.chartArcsGaugeUnit)
+                .style("text-anchor", "middle")
+                .style("pointer-events", "none");
+            arcs.append("text")
+                .attr("class", CLASS.chartArcsGaugeMin)
+                .style("text-anchor", "middle")
+                .style("pointer-events", "none");
+            arcs.append("text")
+                .attr("class", CLASS.chartArcsGaugeMax)
+                .style("text-anchor", "middle")
+                .style("pointer-events", "none");
+        }
+    };
+    c3_chart_internal_fn.getGaugeLabelHeight = function () {
+        return this.config.gauge_label_show ? 20 : 0;
+    };
+
+    c3_chart_internal_fn.initRegion = function () {
+        var $$ = this;
+        $$.region = $$.main.append('g')
+            .attr("clip-path", $$.clipPath)
+            .attr("class", CLASS.regions);
+    };
+    c3_chart_internal_fn.updateRegion = function (duration) {
+        var $$ = this, config = $$.config;
+
+        // hide if arc type
+        $$.region.style('visibility', $$.hasArcType() ? 'hidden' : 'visible');
+
+        $$.mainRegion = $$.main.select('.' + CLASS.regions).selectAll('.' + CLASS.region)
+            .data(config.regions);
+        $$.mainRegion.enter().append('g')
+            .attr('class', $$.classRegion.bind($$))
+          .append('rect')
+            .style("fill-opacity", 0);
+        $$.mainRegion.exit().transition().duration(duration)
+            .style("opacity", 0)
+            .remove();
+    };
+    c3_chart_internal_fn.redrawRegion = function (withTransition) {
+        var $$ = this,
+            regions = $$.mainRegion.selectAll('rect'),
+            x = $$.regionX.bind($$),
+            y = $$.regionY.bind($$),
+            w = $$.regionWidth.bind($$),
+            h = $$.regionHeight.bind($$);
+        return [
+            (withTransition ? regions.transition() : regions)
+                .attr("x", x)
+                .attr("y", y)
+                .attr("width", w)
+                .attr("height", h)
+                .style("fill-opacity", function (d) { return isValue(d.opacity) ? d.opacity : 0.1; })
+        ];
+    };
+    c3_chart_internal_fn.regionX = function (d) {
+        var $$ = this, config = $$.config,
+            xPos, yScale = d.axis === 'y' ? $$.y : $$.y2;
+        if (d.axis === 'y' || d.axis === 'y2') {
+            xPos = config.axis_rotated ? ('start' in d ? yScale(d.start) : 0) : 0;
+        } else {
+            xPos = config.axis_rotated ? 0 : ('start' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.start) : d.start) : 0);
+        }
+        return xPos;
+    };
+    c3_chart_internal_fn.regionY = function (d) {
+        var $$ = this, config = $$.config,
+            yPos, yScale = d.axis === 'y' ? $$.y : $$.y2;
+        if (d.axis === 'y' || d.axis === 'y2') {
+            yPos = config.axis_rotated ? 0 : ('end' in d ? yScale(d.end) : 0);
+        } else {
+            yPos = config.axis_rotated ? ('start' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.start) : d.start) : 0) : 0;
+        }
+        return yPos;
+    };
+    c3_chart_internal_fn.regionWidth = function (d) {
+        var $$ = this, config = $$.config,
+            start = $$.regionX(d), end, yScale = d.axis === 'y' ? $$.y : $$.y2;
+        if (d.axis === 'y' || d.axis === 'y2') {
+            end = config.axis_rotated ? ('end' in d ? yScale(d.end) : $$.width) : $$.width;
+        } else {
+            end = config.axis_rotated ? $$.width : ('end' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.end) : d.end) : $$.width);
+        }
+        return end < start ? 0 : end - start;
+    };
+    c3_chart_internal_fn.regionHeight = function (d) {
+        var $$ = this, config = $$.config,
+            start = this.regionY(d), end, yScale = d.axis === 'y' ? $$.y : $$.y2;
+        if (d.axis === 'y' || d.axis === 'y2') {
+            end = config.axis_rotated ? $$.height : ('start' in d ? yScale(d.start) : $$.height);
+        } else {
+            end = config.axis_rotated ? ('end' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.end) : d.end) : $$.height) : $$.height;
+        }
+        return end < start ? 0 : end - start;
+    };
+    c3_chart_internal_fn.isRegionOnX = function (d) {
+        return !d.axis || d.axis === 'x';
+    };
+
+    c3_chart_internal_fn.drag = function (mouse) {
+        var $$ = this, config = $$.config, main = $$.main, d3 = $$.d3;
+        var sx, sy, mx, my, minX, maxX, minY, maxY;
+
+        if ($$.hasArcType()) { return; }
+        if (! config.data_selection_enabled) { return; } // do nothing if not selectable
+        if (config.zoom_enabled && ! $$.zoom.altDomain) { return; } // skip if zoomable because of conflict drag dehavior
+        if (!config.data_selection_multiple) { return; } // skip when single selection because drag is used for multiple selection
+
+        sx = $$.dragStart[0];
+        sy = $$.dragStart[1];
+        mx = mouse[0];
+        my = mouse[1];
+        minX = Math.min(sx, mx);
+        maxX = Math.max(sx, mx);
+        minY = (config.data_selection_grouped) ? $$.margin.top : Math.min(sy, my);
+        maxY = (config.data_selection_grouped) ? $$.height : Math.max(sy, my);
+
+        main.select('.' + CLASS.dragarea)
+            .attr('x', minX)
+            .attr('y', minY)
+            .attr('width', maxX - minX)
+            .attr('height', maxY - minY);
+        // TODO: binary search when multiple xs
+        main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape)
+            .filter(function (d) { return config.data_selection_isselectable(d); })
+            .each(function (d, i) {
+                var shape = d3.select(this),
+                    isSelected = shape.classed(CLASS.SELECTED),
+                    isIncluded = shape.classed(CLASS.INCLUDED),
+                    _x, _y, _w, _h, toggle, isWithin = false, box;
+                if (shape.classed(CLASS.circle)) {
+                    _x = shape.attr("cx") * 1;
+                    _y = shape.attr("cy") * 1;
+                    toggle = $$.togglePoint;
+                    isWithin = minX < _x && _x < maxX && minY < _y && _y < maxY;
+                }
+                else if (shape.classed(CLASS.bar)) {
+                    box = getPathBox(this);
+                    _x = box.x;
+                    _y = box.y;
+                    _w = box.width;
+                    _h = box.height;
+                    toggle = $$.togglePath;
+                    isWithin = !(maxX < _x || _x + _w < minX) && !(maxY < _y || _y + _h < minY);
+                } else {
+                    // line/area selection not supported yet
+                    return;
+                }
+                if (isWithin ^ isIncluded) {
+                    shape.classed(CLASS.INCLUDED, !isIncluded);
+                    // TODO: included/unincluded callback here
+                    shape.classed(CLASS.SELECTED, !isSelected);
+                    toggle.call($$, !isSelected, shape, d, i);
+                }
+            });
+    };
+
+    c3_chart_internal_fn.dragstart = function (mouse) {
+        var $$ = this, config = $$.config;
+        if ($$.hasArcType()) { return; }
+        if (! config.data_selection_enabled) { return; } // do nothing if not selectable
+        $$.dragStart = mouse;
+        $$.main.select('.' + CLASS.chart).append('rect')
+            .attr('class', CLASS.dragarea)
+            .style('opacity', 0.1);
+        $$.dragging = true;
+    };
+
+    c3_chart_internal_fn.dragend = function () {
+        var $$ = this, config = $$.config;
+        if ($$.hasArcType()) { return; }
+        if (! config.data_selection_enabled) { return; } // do nothing if not selectable
+        $$.main.select('.' + CLASS.dragarea)
+            .transition().duration(100)
+            .style('opacity', 0)
+            .remove();
+        $$.main.selectAll('.' + CLASS.shape)
+            .classed(CLASS.INCLUDED, false);
+        $$.dragging = false;
+    };
+
+    c3_chart_internal_fn.selectPoint = function (target, d, i) {
+        var $$ = this, config = $$.config,
+            cx = (config.axis_rotated ? $$.circleY : $$.circleX).bind($$),
+            cy = (config.axis_rotated ? $$.circleX : $$.circleY).bind($$),
+            r = $$.pointSelectR.bind($$);
+        config.data_onselected.call($$.api, d, target.node());
+        // add selected-circle on low layer g
+        $$.main.select('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(d.id)).selectAll('.' + CLASS.selectedCircle + '-' + i)
+            .data([d])
+            .enter().append('circle')
+            .attr("class", function () { return $$.generateClass(CLASS.selectedCircle, i); })
+            .attr("cx", cx)
+            .attr("cy", cy)
+            .attr("stroke", function () { return $$.color(d); })
+            .attr("r", function (d) { return $$.pointSelectR(d) * 1.4; })
+            .transition().duration(100)
+            .attr("r", r);
+    };
+    c3_chart_internal_fn.unselectPoint = function (target, d, i) {
+        var $$ = this;
+        $$.config.data_onunselected.call($$.api, d, target.node());
+        // remove selected-circle from low layer g
+        $$.main.select('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(d.id)).selectAll('.' + CLASS.selectedCircle + '-' + i)
+            .transition().duration(100).attr('r', 0)
+            .remove();
+    };
+    c3_chart_internal_fn.togglePoint = function (selected, target, d, i) {
+        selected ? this.selectPoint(target, d, i) : this.unselectPoint(target, d, i);
+    };
+    c3_chart_internal_fn.selectPath = function (target, d) {
+        var $$ = this;
+        $$.config.data_onselected.call($$, d, target.node());
+        target.transition().duration(100)
+            .style("fill", function () { return $$.d3.rgb($$.color(d)).brighter(0.75); });
+    };
+    c3_chart_internal_fn.unselectPath = function (target, d) {
+        var $$ = this;
+        $$.config.data_onunselected.call($$, d, target.node());
+        target.transition().duration(100)
+            .style("fill", function () { return $$.color(d); });
+    };
+    c3_chart_internal_fn.togglePath = function (selected, target, d, i) {
+        selected ? this.selectPath(target, d, i) : this.unselectPath(target, d, i);
+    };
+    c3_chart_internal_fn.getToggle = function (that, d) {
+        var $$ = this, toggle;
+        if (that.nodeName === 'circle') {
+            if ($$.isStepType(d)) {
+                // circle is hidden in step chart, so treat as within the click area
+                toggle = function () {}; // TODO: how to select step chart?
+            } else {
+                toggle = $$.togglePoint;
+            }
+        }
+        else if (that.nodeName === 'path') {
+            toggle = $$.togglePath;
+        }
+        return toggle;
+    };
+    c3_chart_internal_fn.toggleShape = function (that, d, i) {
+        var $$ = this, d3 = $$.d3, config = $$.config,
+            shape = d3.select(that), isSelected = shape.classed(CLASS.SELECTED),
+            toggle = $$.getToggle(that, d).bind($$);
+
+        if (config.data_selection_enabled && config.data_selection_isselectable(d)) {
+            if (!config.data_selection_multiple) {
+                $$.main.selectAll('.' + CLASS.shapes + (config.data_selection_grouped ? $$.getTargetSelectorSuffix(d.id) : "")).selectAll('.' + CLASS.shape).each(function (d, i) {
+                    var shape = d3.select(this);
+                    if (shape.classed(CLASS.SELECTED)) { toggle(false, shape.classed(CLASS.SELECTED, false), d, i); }
+                });
+            }
+            shape.classed(CLASS.SELECTED, !isSelected);
+            toggle(!isSelected, shape, d, i);
+        }
+    };
+
+    c3_chart_internal_fn.initBrush = function () {
+        var $$ = this, d3 = $$.d3;
+        $$.brush = d3.svg.brush().on("brush", function () { $$.redrawForBrush(); });
+        $$.brush.update = function () {
+            if ($$.context) { $$.context.select('.' + CLASS.brush).call(this); }
+            return this;
+        };
+        $$.brush.scale = function (scale) {
+            return $$.config.axis_rotated ? this.y(scale) : this.x(scale);
+        };
+    };
+    c3_chart_internal_fn.initSubchart = function () {
+        var $$ = this, config = $$.config,
+            context = $$.context = $$.svg.append("g").attr("transform", $$.getTranslate('context')),
+            visibility = config.subchart_show ? 'visible' : 'hidden';
+
+        context.style('visibility', visibility);
+
+        // Define g for chart area
+        context.append('g')
+            .attr("clip-path", $$.clipPathForSubchart)
+            .attr('class', CLASS.chart);
+
+        // Define g for bar chart area
+        context.select('.' + CLASS.chart).append("g")
+            .attr("class", CLASS.chartBars);
+
+        // Define g for line chart area
+        context.select('.' + CLASS.chart).append("g")
+            .attr("class", CLASS.chartLines);
+
+        // Add extent rect for Brush
+        context.append("g")
+            .attr("clip-path", $$.clipPath)
+            .attr("class", CLASS.brush)
+            .call($$.brush);
+
+        // ATTENTION: This must be called AFTER chart added
+        // Add Axis
+        $$.axes.subx = context.append("g")
+            .attr("class", CLASS.axisX)
+            .attr("transform", $$.getTranslate('subx'))
+            .attr("clip-path", config.axis_rotated ? "" : $$.clipPathForXAxis)
+            .style("visibility", config.subchart_axis_x_show ? visibility : 'hidden');
+    };
+    c3_chart_internal_fn.updateTargetsForSubchart = function (targets) {
+        var $$ = this, context = $$.context, config = $$.config,
+            contextLineEnter, contextLineUpdate, contextBarEnter, contextBarUpdate,
+            classChartBar = $$.classChartBar.bind($$),
+            classBars = $$.classBars.bind($$),
+            classChartLine = $$.classChartLine.bind($$),
+            classLines = $$.classLines.bind($$),
+            classAreas = $$.classAreas.bind($$);
+
+        if (config.subchart_show) {
+            //-- Bar --//
+            contextBarUpdate = context.select('.' + CLASS.chartBars).selectAll('.' + CLASS.chartBar)
+                .data(targets)
+                .attr('class', classChartBar);
+            contextBarEnter = contextBarUpdate.enter().append('g')
+                .style('opacity', 0)
+                .attr('class', classChartBar);
+            // Bars for each data
+            contextBarEnter.append('g')
+                .attr("class", classBars);
+
+            //-- Line --//
+            contextLineUpdate = context.select('.' + CLASS.chartLines).selectAll('.' + CLASS.chartLine)
+                .data(targets)
+                .attr('class', classChartLine);
+            contextLineEnter = contextLineUpdate.enter().append('g')
+                .style('opacity', 0)
+                .attr('class', classChartLine);
+            // Lines for each data
+            contextLineEnter.append("g")
+                .attr("class", classLines);
+            // Area
+            contextLineEnter.append("g")
+                .attr("class", classAreas);
+
+            //-- Brush --//
+            context.selectAll('.' + CLASS.brush + ' rect')
+                .attr(config.axis_rotated ? "width" : "height", config.axis_rotated ? $$.width2 : $$.height2);
+        }
+    };
+    c3_chart_internal_fn.updateBarForSubchart = function (durationForExit) {
+        var $$ = this;
+        $$.contextBar = $$.context.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar)
+            .data($$.barData.bind($$));
+        $$.contextBar.enter().append('path')
+            .attr("class", $$.classBar.bind($$))
+            .style("stroke", 'none')
+            .style("fill", $$.color);
+        $$.contextBar
+            .style("opacity", $$.initialOpacity.bind($$));
+        $$.contextBar.exit().transition().duration(durationForExit)
+            .style('opacity', 0)
+            .remove();
+    };
+    c3_chart_internal_fn.redrawBarForSubchart = function (drawBarOnSub, withTransition, duration) {
+        (withTransition ? this.contextBar.transition(Math.random().toString()).duration(duration) : this.contextBar)
+            .attr('d', drawBarOnSub)
+            .style('opacity', 1);
+    };
+    c3_chart_internal_fn.updateLineForSubchart = function (durationForExit) {
+        var $$ = this;
+        $$.contextLine = $$.context.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line)
+            .data($$.lineData.bind($$));
+        $$.contextLine.enter().append('path')
+            .attr('class', $$.classLine.bind($$))
+            .style('stroke', $$.color);
+        $$.contextLine
+            .style("opacity", $$.initialOpacity.bind($$));
+        $$.contextLine.exit().transition().duration(durationForExit)
+            .style('opacity', 0)
+            .remove();
+    };
+    c3_chart_internal_fn.redrawLineForSubchart = function (drawLineOnSub, withTransition, duration) {
+        (withTransition ? this.contextLine.transition(Math.random().toString()).duration(duration) : this.contextLine)
+            .attr("d", drawLineOnSub)
+            .style('opacity', 1);
+    };
+    c3_chart_internal_fn.updateAreaForSubchart = function (durationForExit) {
+        var $$ = this, d3 = $$.d3;
+        $$.contextArea = $$.context.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area)
+            .data($$.lineData.bind($$));
+        $$.contextArea.enter().append('path')
+            .attr("class", $$.classArea.bind($$))
+            .style("fill", $$.color)
+            .style("opacity", function () { $$.orgAreaOpacity = +d3.select(this).style('opacity'); return 0; });
+        $$.contextArea
+            .style("opacity", 0);
+        $$.contextArea.exit().transition().duration(durationForExit)
+            .style('opacity', 0)
+            .remove();
+    };
+    c3_chart_internal_fn.redrawAreaForSubchart = function (drawAreaOnSub, withTransition, duration) {
+        (withTransition ? this.contextArea.transition(Math.random().toString()).duration(duration) : this.contextArea)
+            .attr("d", drawAreaOnSub)
+            .style("fill", this.color)
+            .style("opacity", this.orgAreaOpacity);
+    };
+    c3_chart_internal_fn.redrawSubchart = function (withSubchart, transitions, duration, durationForExit, areaIndices, barIndices, lineIndices) {
+        var $$ = this, d3 = $$.d3, config = $$.config,
+            drawAreaOnSub, drawBarOnSub, drawLineOnSub;
+
+        $$.context.style('visibility', config.subchart_show ? 'visible' : 'hidden');
+
+        // subchart
+        if (config.subchart_show) {
+            // reflect main chart to extent on subchart if zoomed
+            if (d3.event && d3.event.type === 'zoom') {
+                $$.brush.extent($$.x.orgDomain()).update();
+            }
+            // update subchart elements if needed
+            if (withSubchart) {
+
+                // extent rect
+                if (!$$.brush.empty()) {
+                    $$.brush.extent($$.x.orgDomain()).update();
+                }
+                // setup drawer - MEMO: this must be called after axis updated
+                drawAreaOnSub = $$.generateDrawArea(areaIndices, true);
+                drawBarOnSub = $$.generateDrawBar(barIndices, true);
+                drawLineOnSub = $$.generateDrawLine(lineIndices, true);
+
+                $$.updateBarForSubchart(duration);
+                $$.updateLineForSubchart(duration);
+                $$.updateAreaForSubchart(duration);
+
+                $$.redrawBarForSubchart(drawBarOnSub, duration, duration);
+                $$.redrawLineForSubchart(drawLineOnSub, duration, duration);
+                $$.redrawAreaForSubchart(drawAreaOnSub, duration, duration);
+            }
+        }
+    };
+    c3_chart_internal_fn.redrawForBrush = function () {
+        var $$ = this, x = $$.x;
+        $$.redraw({
+            withTransition: false,
+            withY: $$.config.zoom_rescale,
+            withSubchart: false,
+            withUpdateXDomain: true,
+            withDimension: false
+        });
+        $$.config.subchart_onbrush.call($$.api, x.orgDomain());
+    };
+    c3_chart_internal_fn.transformContext = function (withTransition, transitions) {
+        var $$ = this, subXAxis;
+        if (transitions && transitions.axisSubX) {
+            subXAxis = transitions.axisSubX;
+        } else {
+            subXAxis = $$.context.select('.' + CLASS.axisX);
+            if (withTransition) { subXAxis = subXAxis.transition(); }
+        }
+        $$.context.attr("transform", $$.getTranslate('context'));
+        subXAxis.attr("transform", $$.getTranslate('subx'));
+    };
+    c3_chart_internal_fn.getDefaultExtent = function () {
+        var $$ = this, config = $$.config,
+            extent = isFunction(config.axis_x_extent) ? config.axis_x_extent($$.getXDomain($$.data.targets)) : config.axis_x_extent;
+        if ($$.isTimeSeries()) {
+            extent = [$$.parseDate(extent[0]), $$.parseDate(extent[1])];
+        }
+        return extent;
+    };
+
+    c3_chart_internal_fn.initZoom = function () {
+        var $$ = this, d3 = $$.d3, config = $$.config, startEvent;
+
+        $$.zoom = d3.behavior.zoom()
+            .on("zoomstart", function () {
+                startEvent = d3.event.sourceEvent;
+                $$.zoom.altDomain = d3.event.sourceEvent.altKey ? $$.x.orgDomain() : null;
+                config.zoom_onzoomstart.call($$.api, d3.event.sourceEvent);
+            })
+            .on("zoom", function () {
+                $$.redrawForZoom.call($$);
+            })
+            .on('zoomend', function () {
+                var event = d3.event.sourceEvent;
+                // if click, do nothing. otherwise, click interaction will be canceled.
+                if (event && startEvent.clientX === event.clientX && startEvent.clientY === event.clientY) {
+                    return;
+                }
+                $$.redrawEventRect();
+                $$.updateZoom();
+                config.zoom_onzoomend.call($$.api, $$.x.orgDomain());
+            });
+        $$.zoom.scale = function (scale) {
+            return config.axis_rotated ? this.y(scale) : this.x(scale);
+        };
+        $$.zoom.orgScaleExtent = function () {
+            var extent = config.zoom_extent ? config.zoom_extent : [1, 10];
+            return [extent[0], Math.max($$.getMaxDataCount() / extent[1], extent[1])];
+        };
+        $$.zoom.updateScaleExtent = function () {
+            var ratio = diffDomain($$.x.orgDomain()) / diffDomain($$.getZoomDomain()),
+                extent = this.orgScaleExtent();
+            this.scaleExtent([extent[0] * ratio, extent[1] * ratio]);
+            return this;
+        };
+    };
+    c3_chart_internal_fn.getZoomDomain = function () {
+        var $$ = this, config = $$.config, d3 = $$.d3,
+            min = d3.min([$$.orgXDomain[0], config.zoom_x_min]),
+            max = d3.max([$$.orgXDomain[1], config.zoom_x_max]);
+        return [min, max];
+    };
+    c3_chart_internal_fn.updateZoom = function () {
+        var $$ = this, z = $$.config.zoom_enabled ? $$.zoom : function () {};
+        $$.main.select('.' + CLASS.zoomRect).call(z).on("dblclick.zoom", null);
+        $$.main.selectAll('.' + CLASS.eventRect).call(z).on("dblclick.zoom", null);
+    };
+    c3_chart_internal_fn.redrawForZoom = function () {
+        var $$ = this, d3 = $$.d3, config = $$.config, zoom = $$.zoom, x = $$.x;
+        if (!config.zoom_enabled) {
+            return;
+        }
+        if ($$.filterTargetsToShow($$.data.targets).length === 0) {
+            return;
+        }
+        if (d3.event.sourceEvent.type === 'mousemove' && zoom.altDomain) {
+            x.domain(zoom.altDomain);
+            zoom.scale(x).updateScaleExtent();
+            return;
+        }
+        if ($$.isCategorized() && x.orgDomain()[0] === $$.orgXDomain[0]) {
+            x.domain([$$.orgXDomain[0] - 1e-10, x.orgDomain()[1]]);
+        }
+        $$.redraw({
+            withTransition: false,
+            withY: config.zoom_rescale,
+            withSubchart: false,
+            withEventRect: false,
+            withDimension: false
+        });
+        if (d3.event.sourceEvent.type === 'mousemove') {
+            $$.cancelClick = true;
+        }
+        config.zoom_onzoom.call($$.api, x.orgDomain());
+    };
+
+    c3_chart_internal_fn.generateColor = function () {
+        var $$ = this, config = $$.config, d3 = $$.d3,
+            colors = config.data_colors,
+            pattern = notEmpty(config.color_pattern) ? config.color_pattern : d3.scale.category10().range(),
+            callback = config.data_color,
+            ids = [];
+
+        return function (d) {
+            var id = d.id || (d.data && d.data.id) || d, color;
+
+            // if callback function is provided
+            if (colors[id] instanceof Function) {
+                color = colors[id](d);
+            }
+            // if specified, choose that color
+            else if (colors[id]) {
+                color = colors[id];
+            }
+            // if not specified, choose from pattern
+            else {
+                if (ids.indexOf(id) < 0) { ids.push(id); }
+                color = pattern[ids.indexOf(id) % pattern.length];
+                colors[id] = color;
+            }
+            return callback instanceof Function ? callback(color, d) : color;
+        };
+    };
+    c3_chart_internal_fn.generateLevelColor = function () {
+        var $$ = this, config = $$.config,
+            colors = config.color_pattern,
+            threshold = config.color_threshold,
+            asValue = threshold.unit === 'value',
+            values = threshold.values && threshold.values.length ? threshold.values : [],
+            max = threshold.max || 100;
+        return notEmpty(config.color_threshold) ? function (value) {
+            var i, v, color = colors[colors.length - 1];
+            for (i = 0; i < values.length; i++) {
+                v = asValue ? value : (value * 100 / max);
+                if (v < values[i]) {
+                    color = colors[i];
+                    break;
+                }
+            }
+            return color;
+        } : null;
+    };
+
+    c3_chart_internal_fn.getYFormat = function (forArc) {
+        var $$ = this,
+            formatForY = forArc && !$$.hasType('gauge') ? $$.defaultArcValueFormat : $$.yFormat,
+            formatForY2 = forArc && !$$.hasType('gauge') ? $$.defaultArcValueFormat : $$.y2Format;
+        return function (v, ratio, id) {
+            var format = $$.axis.getId(id) === 'y2' ? formatForY2 : formatForY;
+            return format.call($$, v, ratio);
+        };
+    };
+    c3_chart_internal_fn.yFormat = function (v) {
+        var $$ = this, config = $$.config,
+            format = config.axis_y_tick_format ? config.axis_y_tick_format : $$.defaultValueFormat;
+        return format(v);
+    };
+    c3_chart_internal_fn.y2Format = function (v) {
+        var $$ = this, config = $$.config,
+            format = config.axis_y2_tick_format ? config.axis_y2_tick_format : $$.defaultValueFormat;
+        return format(v);
+    };
+    c3_chart_internal_fn.defaultValueFormat = function (v) {
+        return isValue(v) ? +v : "";
+    };
+    c3_chart_internal_fn.defaultArcValueFormat = function (v, ratio) {
+        return (ratio * 100).toFixed(1) + '%';
+    };
+    c3_chart_internal_fn.dataLabelFormat = function (targetId) {
+        var $$ = this, data_labels = $$.config.data_labels,
+            format, defaultFormat = function (v) { return isValue(v) ? +v : ""; };
+        // find format according to axis id
+        if (typeof data_labels.format === 'function') {
+            format = data_labels.format;
+        } else if (typeof data_labels.format === 'object') {
+            if (data_labels.format[targetId]) {
+                format = data_labels.format[targetId] === true ? defaultFormat : data_labels.format[targetId];
+            } else {
+                format = function () { return ''; };
+            }
+        } else {
+            format = defaultFormat;
+        }
+        return format;
+    };
+
+    c3_chart_internal_fn.hasCaches = function (ids) {
+        for (var i = 0; i < ids.length; i++) {
+            if (! (ids[i] in this.cache)) { return false; }
+        }
+        return true;
+    };
+    c3_chart_internal_fn.addCache = function (id, target) {
+        this.cache[id] = this.cloneTarget(target);
+    };
+    c3_chart_internal_fn.getCaches = function (ids) {
+        var targets = [], i;
+        for (i = 0; i < ids.length; i++) {
+            if (ids[i] in this.cache) { targets.push(this.cloneTarget(this.cache[ids[i]])); }
+        }
+        return targets;
+    };
+
+    var CLASS = c3_chart_internal_fn.CLASS = {
+        target: 'c3-target',
+        chart: 'c3-chart',
+        chartLine: 'c3-chart-line',
+        chartLines: 'c3-chart-lines',
+        chartBar: 'c3-chart-bar',
+        chartBars: 'c3-chart-bars',
+        chartText: 'c3-chart-text',
+        chartTexts: 'c3-chart-texts',
+        chartArc: 'c3-chart-arc',
+        chartArcs: 'c3-chart-arcs',
+        chartArcsTitle: 'c3-chart-arcs-title',
+        chartArcsBackground: 'c3-chart-arcs-background',
+        chartArcsGaugeUnit: 'c3-chart-arcs-gauge-unit',
+        chartArcsGaugeMax: 'c3-chart-arcs-gauge-max',
+        chartArcsGaugeMin: 'c3-chart-arcs-gauge-min',
+        selectedCircle: 'c3-selected-circle',
+        selectedCircles: 'c3-selected-circles',
+        eventRect: 'c3-event-rect',
+        eventRects: 'c3-event-rects',
+        eventRectsSingle: 'c3-event-rects-single',
+        eventRectsMultiple: 'c3-event-rects-multiple',
+        zoomRect: 'c3-zoom-rect',
+        brush: 'c3-brush',
+        focused: 'c3-focused',
+        defocused: 'c3-defocused',
+        region: 'c3-region',
+        regions: 'c3-regions',
+        title: 'c3-title',
+        tooltipContainer: 'c3-tooltip-container',
+        tooltip: 'c3-tooltip',
+        tooltipName: 'c3-tooltip-name',
+        shape: 'c3-shape',
+        shapes: 'c3-shapes',
+        line: 'c3-line',
+        lines: 'c3-lines',
+        bar: 'c3-bar',
+        bars: 'c3-bars',
+        circle: 'c3-circle',
+        circles: 'c3-circles',
+        arc: 'c3-arc',
+        arcs: 'c3-arcs',
+        area: 'c3-area',
+        areas: 'c3-areas',
+        empty: 'c3-empty',
+        text: 'c3-text',
+        texts: 'c3-texts',
+        gaugeValue: 'c3-gauge-value',
+        grid: 'c3-grid',
+        gridLines: 'c3-grid-lines',
+        xgrid: 'c3-xgrid',
+        xgrids: 'c3-xgrids',
+        xgridLine: 'c3-xgrid-line',
+        xgridLines: 'c3-xgrid-lines',
+        xgridFocus: 'c3-xgrid-focus',
+        ygrid: 'c3-ygrid',
+        ygrids: 'c3-ygrids',
+        ygridLine: 'c3-ygrid-line',
+        ygridLines: 'c3-ygrid-lines',
+        axis: 'c3-axis',
+        axisX: 'c3-axis-x',
+        axisXLabel: 'c3-axis-x-label',
+        axisY: 'c3-axis-y',
+        axisYLabel: 'c3-axis-y-label',
+        axisY2: 'c3-axis-y2',
+        axisY2Label: 'c3-axis-y2-label',
+        legendBackground: 'c3-legend-background',
+        legendItem: 'c3-legend-item',
+        legendItemEvent: 'c3-legend-item-event',
+        legendItemTile: 'c3-legend-item-tile',
+        legendItemHidden: 'c3-legend-item-hidden',
+        legendItemFocused: 'c3-legend-item-focused',
+        dragarea: 'c3-dragarea',
+        EXPANDED: '_expanded_',
+        SELECTED: '_selected_',
+        INCLUDED: '_included_'
+    };
+    c3_chart_internal_fn.generateClass = function (prefix, targetId) {
+        return " " + prefix + " " + prefix + this.getTargetSelectorSuffix(targetId);
+    };
+    c3_chart_internal_fn.classText = function (d) {
+        return this.generateClass(CLASS.text, d.index);
+    };
+    c3_chart_internal_fn.classTexts = function (d) {
+        return this.generateClass(CLASS.texts, d.id);
+    };
+    c3_chart_internal_fn.classShape = function (d) {
+        return this.generateClass(CLASS.shape, d.index);
+    };
+    c3_chart_internal_fn.classShapes = function (d) {
+        return this.generateClass(CLASS.shapes, d.id);
+    };
+    c3_chart_internal_fn.classLine = function (d) {
+        return this.classShape(d) + this.generateClass(CLASS.line, d.id);
+    };
+    c3_chart_internal_fn.classLines = function (d) {
+        return this.classShapes(d) + this.generateClass(CLASS.lines, d.id);
+    };
+    c3_chart_internal_fn.classCircle = function (d) {
+        return this.classShape(d) + this.generateClass(CLASS.circle, d.index);
+    };
+    c3_chart_internal_fn.classCircles = function (d) {
+        return this.classShapes(d) + this.generateClass(CLASS.circles, d.id);
+    };
+    c3_chart_internal_fn.classBar = function (d) {
+        return this.classShape(d) + this.generateClass(CLASS.bar, d.index);
+    };
+    c3_chart_internal_fn.classBars = function (d) {
+        return this.classShapes(d) + this.generateClass(CLASS.bars, d.id);
+    };
+    c3_chart_internal_fn.classArc = function (d) {
+        return this.classShape(d.data) + this.generateClass(CLASS.arc, d.data.id);
+    };
+    c3_chart_internal_fn.classArcs = function (d) {
+        return this.classShapes(d.data) + this.generateClass(CLASS.arcs, d.data.id);
+    };
+    c3_chart_internal_fn.classArea = function (d) {
+        return this.classShape(d) + this.generateClass(CLASS.area, d.id);
+    };
+    c3_chart_internal_fn.classAreas = function (d) {
+        return this.classShapes(d) + this.generateClass(CLASS.areas, d.id);
+    };
+    c3_chart_internal_fn.classRegion = function (d, i) {
+        return this.generateClass(CLASS.region, i) + ' ' + ('class' in d ? d['class'] : '');
+    };
+    c3_chart_internal_fn.classEvent = function (d) {
+        return this.generateClass(CLASS.eventRect, d.index);
+    };
+    c3_chart_internal_fn.classTarget = function (id) {
+        var $$ = this;
+        var additionalClassSuffix = $$.config.data_classes[id], additionalClass = '';
+        if (additionalClassSuffix) {
+            additionalClass = ' ' + CLASS.target + '-' + additionalClassSuffix;
+        }
+        return $$.generateClass(CLASS.target, id) + additionalClass;
+    };
+    c3_chart_internal_fn.classFocus = function (d) {
+        return this.classFocused(d) + this.classDefocused(d);
+    };
+    c3_chart_internal_fn.classFocused = function (d) {
+        return ' ' + (this.focusedTargetIds.indexOf(d.id) >= 0 ? CLASS.focused : '');
+    };
+    c3_chart_internal_fn.classDefocused = function (d) {
+        return ' ' + (this.defocusedTargetIds.indexOf(d.id) >= 0 ? CLASS.defocused : '');
+    };
+    c3_chart_internal_fn.classChartText = function (d) {
+        return CLASS.chartText + this.classTarget(d.id);
+    };
+    c3_chart_internal_fn.classChartLine = function (d) {
+        return CLASS.chartLine + this.classTarget(d.id);
+    };
+    c3_chart_internal_fn.classChartBar = function (d) {
+        return CLASS.chartBar + this.classTarget(d.id);
+    };
+    c3_chart_internal_fn.classChartArc = function (d) {
+        return CLASS.chartArc + this.classTarget(d.data.id);
+    };
+    c3_chart_internal_fn.getTargetSelectorSuffix = function (targetId) {
+        return targetId || targetId === 0 ? ('-' + targetId).replace(/[\s?!@#$%^&*()_=+,.<>'":;\[\]\/|~`{}\\]/g, '-') : '';
+    };
+    c3_chart_internal_fn.selectorTarget = function (id, prefix) {
+        return (prefix || '') + '.' + CLASS.target + this.getTargetSelectorSuffix(id);
+    };
+    c3_chart_internal_fn.selectorTargets = function (ids, prefix) {
+        var $$ = this;
+        ids = ids || [];
+        return ids.length ? ids.map(function (id) { return $$.selectorTarget(id, prefix); }) : null;
+    };
+    c3_chart_internal_fn.selectorLegend = function (id) {
+        return '.' + CLASS.legendItem + this.getTargetSelectorSuffix(id);
+    };
+    c3_chart_internal_fn.selectorLegends = function (ids) {
+        var $$ = this;
+        return ids && ids.length ? ids.map(function (id) { return $$.selectorLegend(id); }) : null;
+    };
+
+    var isValue = c3_chart_internal_fn.isValue = function (v) {
+        return v || v === 0;
+    },
+        isFunction = c3_chart_internal_fn.isFunction = function (o) {
+            return typeof o === 'function';
+        },
+        isString = c3_chart_internal_fn.isString = function (o) {
+            return typeof o === 'string';
+        },
+        isUndefined = c3_chart_internal_fn.isUndefined = function (v) {
+            return typeof v === 'undefined';
+        },
+        isDefined = c3_chart_internal_fn.isDefined = function (v) {
+            return typeof v !== 'undefined';
+        },
+        ceil10 = c3_chart_internal_fn.ceil10 = function (v) {
+            return Math.ceil(v / 10) * 10;
+        },
+        asHalfPixel = c3_chart_internal_fn.asHalfPixel = function (n) {
+            return Math.ceil(n) + 0.5;
+        },
+        diffDomain = c3_chart_internal_fn.diffDomain = function (d) {
+            return d[1] - d[0];
+        },
+        isEmpty = c3_chart_internal_fn.isEmpty = function (o) {
+            return typeof o === 'undefined' || o === null || (isString(o) && o.length === 0) || (typeof o === 'object' && Object.keys(o).length === 0);
+        },
+        notEmpty = c3_chart_internal_fn.notEmpty = function (o) {
+            return !c3_chart_internal_fn.isEmpty(o);
+        },
+        getOption = c3_chart_internal_fn.getOption = function (options, key, defaultValue) {
+            return isDefined(options[key]) ? options[key] : defaultValue;
+        },
+        hasValue = c3_chart_internal_fn.hasValue = function (dict, value) {
+            var found = false;
+            Object.keys(dict).forEach(function (key) {
+                if (dict[key] === value) { found = true; }
+            });
+            return found;
+        },
+        getPathBox = c3_chart_internal_fn.getPathBox = function (path) {
+            var box = path.getBoundingClientRect(),
+                items = [path.pathSegList.getItem(0), path.pathSegList.getItem(1)],
+                minX = items[0].x, minY = Math.min(items[0].y, items[1].y);
+            return {x: minX, y: minY, width: box.width, height: box.height};
+        };
+
+    c3_chart_fn.focus = function (targetIds) {
+        var $$ = this.internal, candidates;
+
+        targetIds = $$.mapToTargetIds(targetIds);
+        candidates = $$.svg.selectAll($$.selectorTargets(targetIds.filter($$.isTargetToShow, $$))),
+
+        this.revert();
+        this.defocus();
+        candidates.classed(CLASS.focused, true).classed(CLASS.defocused, false);
+        if ($$.hasArcType()) {
+            $$.expandArc(targetIds);
+        }
+        $$.toggleFocusLegend(targetIds, true);
+
+        $$.focusedTargetIds = targetIds;
+        $$.defocusedTargetIds = $$.defocusedTargetIds.filter(function (id) {
+            return targetIds.indexOf(id) < 0;
+        });
+    };
+
+    c3_chart_fn.defocus = function (targetIds) {
+        var $$ = this.internal, candidates;
+
+        targetIds = $$.mapToTargetIds(targetIds);
+        candidates = $$.svg.selectAll($$.selectorTargets(targetIds.filter($$.isTargetToShow, $$))),
+
+        candidates.classed(CLASS.focused, false).classed(CLASS.defocused, true);
+        if ($$.hasArcType()) {
+            $$.unexpandArc(targetIds);
+        }
+        $$.toggleFocusLegend(targetIds, false);
+
+        $$.focusedTargetIds = $$.focusedTargetIds.filter(function (id) {
+            return targetIds.indexOf(id) < 0;
+        });
+        $$.defocusedTargetIds = targetIds;
+    };
+
+    c3_chart_fn.revert = function (targetIds) {
+        var $$ = this.internal, candidates;
+
+        targetIds = $$.mapToTargetIds(targetIds);
+        candidates = $$.svg.selectAll($$.selectorTargets(targetIds)); // should be for all targets
+
+        candidates.classed(CLASS.focused, false).classed(CLASS.defocused, false);
+        if ($$.hasArcType()) {
+            $$.unexpandArc(targetIds);
+        }
+        if ($$.config.legend_show) {
+            $$.showLegend(targetIds.filter($$.isLegendToShow.bind($$)));
+            $$.legend.selectAll($$.selectorLegends(targetIds))
+                .filter(function () {
+                    return $$.d3.select(this).classed(CLASS.legendItemFocused);
+                })
+                .classed(CLASS.legendItemFocused, false);
+        }
+
+        $$.focusedTargetIds = [];
+        $$.defocusedTargetIds = [];
+    };
+
+    c3_chart_fn.show = function (targetIds, options) {
+        var $$ = this.internal, targets;
+
+        targetIds = $$.mapToTargetIds(targetIds);
+        options = options || {};
+
+        $$.removeHiddenTargetIds(targetIds);
+        targets = $$.svg.selectAll($$.selectorTargets(targetIds));
+
+        targets.transition()
+            .style('opacity', 1, 'important')
+            .call($$.endall, function () {
+                targets.style('opacity', null).style('opacity', 1);
+            });
+
+        if (options.withLegend) {
+            $$.showLegend(targetIds);
+        }
+
+        $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
+    };
+
+    c3_chart_fn.hide = function (targetIds, options) {
+        var $$ = this.internal, targets;
+
+        targetIds = $$.mapToTargetIds(targetIds);
+        options = options || {};
+
+        $$.addHiddenTargetIds(targetIds);
+        targets = $$.svg.selectAll($$.selectorTargets(targetIds));
+
+        targets.transition()
+            .style('opacity', 0, 'important')
+            .call($$.endall, function () {
+                targets.style('opacity', null).style('opacity', 0);
+            });
+
+        if (options.withLegend) {
+            $$.hideLegend(targetIds);
+        }
+
+        $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
+    };
+
+    c3_chart_fn.toggle = function (targetIds, options) {
+        var that = this, $$ = this.internal;
+        $$.mapToTargetIds(targetIds).forEach(function (targetId) {
+            $$.isTargetToShow(targetId) ? that.hide(targetId, options) : that.show(targetId, options);
+        });
+    };
+
+    c3_chart_fn.zoom = function (domain) {
+        var $$ = this.internal;
+        if (domain) {
+            if ($$.isTimeSeries()) {
+                domain = domain.map(function (x) { return $$.parseDate(x); });
+            }
+            $$.brush.extent(domain);
+            $$.redraw({withUpdateXDomain: true, withY: $$.config.zoom_rescale});
+            $$.config.zoom_onzoom.call(this, $$.x.orgDomain());
+        }
+        return $$.brush.extent();
+    };
+    c3_chart_fn.zoom.enable = function (enabled) {
+        var $$ = this.internal;
+        $$.config.zoom_enabled = enabled;
+        $$.updateAndRedraw();
+    };
+    c3_chart_fn.unzoom = function () {
+        var $$ = this.internal;
+        $$.brush.clear().update();
+        $$.redraw({withUpdateXDomain: true});
+    };
+
+    c3_chart_fn.zoom.max = function (max) {
+        var $$ = this.internal, config = $$.config, d3 = $$.d3;
+        if (max === 0 || max) {
+            config.zoom_x_max = d3.max([$$.orgXDomain[1], max]);
+        }
+        else {
+            return config.zoom_x_max;
+        }
+    };
+
+    c3_chart_fn.zoom.min = function (min) {
+        var $$ = this.internal, config = $$.config, d3 = $$.d3;
+        if (min === 0 || min) {
+            config.zoom_x_min = d3.min([$$.orgXDomain[0], min]);
+        }
+        else {
+            return config.zoom_x_min;
+        }
+    };
+
+    c3_chart_fn.zoom.range = function (range) {
+        if (arguments.length) {
+            if (isDefined(range.max)) { this.domain.max(range.max); }
+            if (isDefined(range.min)) { this.domain.min(range.min); }
+        } else {
+            return {
+                max: this.domain.max(),
+                min: this.domain.min()
+            };
+        }
+    };
+
+    c3_chart_fn.load = function (args) {
+        var $$ = this.internal, config = $$.config;
+        // update xs if specified
+        if (args.xs) {
+            $$.addXs(args.xs);
+        }
+        // update classes if exists
+        if ('classes' in args) {
+            Object.keys(args.classes).forEach(function (id) {
+                config.data_classes[id] = args.classes[id];
+            });
+        }
+        // update categories if exists
+        if ('categories' in args && $$.isCategorized()) {
+            config.axis_x_categories = args.categories;
+        }
+        // update axes if exists
+        if ('axes' in args) {
+            Object.keys(args.axes).forEach(function (id) {
+                config.data_axes[id] = args.axes[id];
+            });
+        }
+        // update colors if exists
+        if ('colors' in args) {
+            Object.keys(args.colors).forEach(function (id) {
+                config.data_colors[id] = args.colors[id];
+            });
+        }
+        // use cache if exists
+        if ('cacheIds' in args && $$.hasCaches(args.cacheIds)) {
+            $$.load($$.getCaches(args.cacheIds), args.done);
+            return;
+        }
+        // unload if needed
+        if ('unload' in args) {
+            // TODO: do not unload if target will load (included in url/rows/columns)
+            $$.unload($$.mapToTargetIds((typeof args.unload === 'boolean' && args.unload) ? null : args.unload), function () {
+                $$.loadFromArgs(args);
+            });
+        } else {
+            $$.loadFromArgs(args);
+        }
+    };
+
+    c3_chart_fn.unload = function (args) {
+        var $$ = this.internal;
+        args = args || {};
+        if (args instanceof Array) {
+            args = {ids: args};
+        } else if (typeof args === 'string') {
+            args = {ids: [args]};
+        }
+        $$.unload($$.mapToTargetIds(args.ids), function () {
+            $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
+            if (args.done) { args.done(); }
+        });
+    };
+
+    c3_chart_fn.flow = function (args) {
+        var $$ = this.internal,
+            targets, data, notfoundIds = [], orgDataCount = $$.getMaxDataCount(),
+            dataCount, domain, baseTarget, baseValue, length = 0, tail = 0, diff, to;
+
+        if (args.json) {
+            data = $$.convertJsonToData(args.json, args.keys);
+        }
+        else if (args.rows) {
+            data = $$.convertRowsToData(args.rows);
+        }
+        else if (args.columns) {
+            data = $$.convertColumnsToData(args.columns);
+        }
+        else {
+            return;
+        }
+        targets = $$.convertDataToTargets(data, true);
+
+        // Update/Add data
+        $$.data.targets.forEach(function (t) {
+            var found = false, i, j;
+            for (i = 0; i < targets.length; i++) {
+                if (t.id === targets[i].id) {
+                    found = true;
+
+                    if (t.values[t.values.length - 1]) {
+                        tail = t.values[t.values.length - 1].index + 1;
+                    }
+                    length = targets[i].values.length;
+
+                    for (j = 0; j < length; j++) {
+                        targets[i].values[j].index = tail + j;
+                        if (!$$.isTimeSeries()) {
+                            targets[i].values[j].x = tail + j;
+                        }
+                    }
+                    t.values = t.values.concat(targets[i].values);
+
+                    targets.splice(i, 1);
+                    break;
+                }
+            }
+            if (!found) { notfoundIds.push(t.id); }
+        });
+
+        // Append null for not found targets
+        $$.data.targets.forEach(function (t) {
+            var i, j;
+            for (i = 0; i < notfoundIds.length; i++) {
+                if (t.id === notfoundIds[i]) {
+                    tail = t.values[t.values.length - 1].index + 1;
+                    for (j = 0; j < length; j++) {
+                        t.values.push({
+                            id: t.id,
+                            index: tail + j,
+                            x: $$.isTimeSeries() ? $$.getOtherTargetX(tail + j) : tail + j,
+                            value: null
+                        });
+                    }
+                }
+            }
+        });
+
+        // Generate null values for new target
+        if ($$.data.targets.length) {
+            targets.forEach(function (t) {
+                var i, missing = [];
+                for (i = $$.data.targets[0].values[0].index; i < tail; i++) {
+                    missing.push({
+                        id: t.id,
+                        index: i,
+                        x: $$.isTimeSeries() ? $$.getOtherTargetX(i) : i,
+                        value: null
+                    });
+                }
+                t.values.forEach(function (v) {
+                    v.index += tail;
+                    if (!$$.isTimeSeries()) {
+                        v.x += tail;
+                    }
+                });
+                t.values = missing.concat(t.values);
+            });
+        }
+        $$.data.targets = $$.data.targets.concat(targets); // add remained
+
+        // check data count because behavior needs to change when it's only one
+        dataCount = $$.getMaxDataCount();
+        baseTarget = $$.data.targets[0];
+        baseValue = baseTarget.values[0];
+
+        // Update length to flow if needed
+        if (isDefined(args.to)) {
+            length = 0;
+            to = $$.isTimeSeries() ? $$.parseDate(args.to) : args.to;
+            baseTarget.values.forEach(function (v) {
+                if (v.x < to) { length++; }
+            });
+        } else if (isDefined(args.length)) {
+            length = args.length;
+        }
+
+        // If only one data, update the domain to flow from left edge of the chart
+        if (!orgDataCount) {
+            if ($$.isTimeSeries()) {
+                if (baseTarget.values.length > 1) {
+                    diff = baseTarget.values[baseTarget.values.length - 1].x - baseValue.x;
+                } else {
+                    diff = baseValue.x - $$.getXDomain($$.data.targets)[0];
+                }
+            } else {
+                diff = 1;
+            }
+            domain = [baseValue.x - diff, baseValue.x];
+            $$.updateXDomain(null, true, true, false, domain);
+        } else if (orgDataCount === 1) {
+            if ($$.isTimeSeries()) {
+                diff = (baseTarget.values[baseTarget.values.length - 1].x - baseValue.x) / 2;
+                domain = [new Date(+baseValue.x - diff), new Date(+baseValue.x + diff)];
+                $$.updateXDomain(null, true, true, false, domain);
+            }
+        }
+
+        // Set targets
+        $$.updateTargets($$.data.targets);
+
+        // Redraw with new targets
+        $$.redraw({
+            flow: {
+                index: baseValue.index,
+                length: length,
+                duration: isValue(args.duration) ? args.duration : $$.config.transition_duration,
+                done: args.done,
+                orgDataCount: orgDataCount,
+            },
+            withLegend: true,
+            withTransition: orgDataCount > 1,
+            withTrimXDomain: false,
+            withUpdateXAxis: true,
+        });
+    };
+
+    c3_chart_internal_fn.generateFlow = function (args) {
+        var $$ = this, config = $$.config, d3 = $$.d3;
+
+        return function () {
+            var targets = args.targets,
+                flow = args.flow,
+                drawBar = args.drawBar,
+                drawLine = args.drawLine,
+                drawArea = args.drawArea,
+                cx = args.cx,
+                cy = args.cy,
+                xv = args.xv,
+                xForText = args.xForText,
+                yForText = args.yForText,
+                duration = args.duration;
+
+            var translateX, scaleX = 1, transform,
+                flowIndex = flow.index,
+                flowLength = flow.length,
+                flowStart = $$.getValueOnIndex($$.data.targets[0].values, flowIndex),
+                flowEnd = $$.getValueOnIndex($$.data.targets[0].values, flowIndex + flowLength),
+                orgDomain = $$.x.domain(), domain,
+                durationForFlow = flow.duration || duration,
+                done = flow.done || function () {},
+                wait = $$.generateWait();
+
+            var xgrid = $$.xgrid || d3.selectAll([]),
+                xgridLines = $$.xgridLines || d3.selectAll([]),
+                mainRegion = $$.mainRegion || d3.selectAll([]),
+                mainText = $$.mainText || d3.selectAll([]),
+                mainBar = $$.mainBar || d3.selectAll([]),
+                mainLine = $$.mainLine || d3.selectAll([]),
+                mainArea = $$.mainArea || d3.selectAll([]),
+                mainCircle = $$.mainCircle || d3.selectAll([]);
+
+            // set flag
+            $$.flowing = true;
+
+            // remove head data after rendered
+            $$.data.targets.forEach(function (d) {
+                d.values.splice(0, flowLength);
+            });
+
+            // update x domain to generate axis elements for flow
+            domain = $$.updateXDomain(targets, true, true);
+            // update elements related to x scale
+            if ($$.updateXGrid) { $$.updateXGrid(true); }
+
+            // generate transform to flow
+            if (!flow.orgDataCount) { // if empty
+                if ($$.data.targets[0].values.length !== 1) {
+                    translateX = $$.x(orgDomain[0]) - $$.x(domain[0]);
+                } else {
+                    if ($$.isTimeSeries()) {
+                        flowStart = $$.getValueOnIndex($$.data.targets[0].values, 0);
+                        flowEnd = $$.getValueOnIndex($$.data.targets[0].values, $$.data.targets[0].values.length - 1);
+                        translateX = $$.x(flowStart.x) - $$.x(flowEnd.x);
+                    } else {
+                        translateX = diffDomain(domain) / 2;
+                    }
+                }
+            } else if (flow.orgDataCount === 1 || flowStart.x === flowEnd.x) {
+                translateX = $$.x(orgDomain[0]) - $$.x(domain[0]);
+            } else {
+                if ($$.isTimeSeries()) {
+                    translateX = ($$.x(orgDomain[0]) - $$.x(domain[0]));
+                } else {
+                    translateX = ($$.x(flowStart.x) - $$.x(flowEnd.x));
+                }
+            }
+            scaleX = (diffDomain(orgDomain) / diffDomain(domain));
+            transform = 'translate(' + translateX + ',0) scale(' + scaleX + ',1)';
+
+            $$.hideXGridFocus();
+
+            d3.transition().ease('linear').duration(durationForFlow).each(function () {
+                wait.add($$.axes.x.transition().call($$.xAxis));
+                wait.add(mainBar.transition().attr('transform', transform));
+                wait.add(mainLine.transition().attr('transform', transform));
+                wait.add(mainArea.transition().attr('transform', transform));
+                wait.add(mainCircle.transition().attr('transform', transform));
+                wait.add(mainText.transition().attr('transform', transform));
+                wait.add(mainRegion.filter($$.isRegionOnX).transition().attr('transform', transform));
+                wait.add(xgrid.transition().attr('transform', transform));
+                wait.add(xgridLines.transition().attr('transform', transform));
+            })
+            .call(wait, function () {
+                var i, shapes = [], texts = [], eventRects = [];
+
+                // remove flowed elements
+                if (flowLength) {
+                    for (i = 0; i < flowLength; i++) {
+                        shapes.push('.' + CLASS.shape + '-' + (flowIndex + i));
+                        texts.push('.' + CLASS.text + '-' + (flowIndex + i));
+                        eventRects.push('.' + CLASS.eventRect + '-' + (flowIndex + i));
+                    }
+                    $$.svg.selectAll('.' + CLASS.shapes).selectAll(shapes).remove();
+                    $$.svg.selectAll('.' + CLASS.texts).selectAll(texts).remove();
+                    $$.svg.selectAll('.' + CLASS.eventRects).selectAll(eventRects).remove();
+                    $$.svg.select('.' + CLASS.xgrid).remove();
+                }
+
+                // draw again for removing flowed elements and reverting attr
+                xgrid
+                    .attr('transform', null)
+                    .attr($$.xgridAttr);
+                xgridLines
+                    .attr('transform', null);
+                xgridLines.select('line')
+                    .attr("x1", config.axis_rotated ? 0 : xv)
+                    .attr("x2", config.axis_rotated ? $$.width : xv);
+                xgridLines.select('text')
+                    .attr("x", config.axis_rotated ? $$.width : 0)
+                    .attr("y", xv);
+                mainBar
+                    .attr('transform', null)
+                    .attr("d", drawBar);
+                mainLine
+                    .attr('transform', null)
+                    .attr("d", drawLine);
+                mainArea
+                    .attr('transform', null)
+                    .attr("d", drawArea);
+                mainCircle
+                    .attr('transform', null)
+                    .attr("cx", cx)
+                    .attr("cy", cy);
+                mainText
+                    .attr('transform', null)
+                    .attr('x', xForText)
+                    .attr('y', yForText)
+                    .style('fill-opacity', $$.opacityForText.bind($$));
+                mainRegion
+                    .attr('transform', null);
+                mainRegion.select('rect').filter($$.isRegionOnX)
+                    .attr("x", $$.regionX.bind($$))
+                    .attr("width", $$.regionWidth.bind($$));
+
+                if (config.interaction_enabled) {
+                    $$.redrawEventRect();
+                }
+
+                // callback for end of flow
+                done();
+
+                $$.flowing = false;
+            });
+        };
+    };
+
+    c3_chart_fn.selected = function (targetId) {
+        var $$ = this.internal, d3 = $$.d3;
+        return d3.merge(
+            $$.main.selectAll('.' + CLASS.shapes + $$.getTargetSelectorSuffix(targetId)).selectAll('.' + CLASS.shape)
+                .filter(function () { return d3.select(this).classed(CLASS.SELECTED); })
+                .map(function (d) { return d.map(function (d) { var data = d.__data__; return data.data ? data.data : data; }); })
+        );
+    };
+    c3_chart_fn.select = function (ids, indices, resetOther) {
+        var $$ = this.internal, d3 = $$.d3, config = $$.config;
+        if (! config.data_selection_enabled) { return; }
+        $$.main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape).each(function (d, i) {
+            var shape = d3.select(this), id = d.data ? d.data.id : d.id,
+                toggle = $$.getToggle(this, d).bind($$),
+                isTargetId = config.data_selection_grouped || !ids || ids.indexOf(id) >= 0,
+                isTargetIndex = !indices || indices.indexOf(i) >= 0,
+                isSelected = shape.classed(CLASS.SELECTED);
+            // line/area selection not supported yet
+            if (shape.classed(CLASS.line) || shape.classed(CLASS.area)) {
+                return;
+            }
+            if (isTargetId && isTargetIndex) {
+                if (config.data_selection_isselectable(d) && !isSelected) {
+                    toggle(true, shape.classed(CLASS.SELECTED, true), d, i);
+                }
+            } else if (isDefined(resetOther) && resetOther) {
+                if (isSelected) {
+                    toggle(false, shape.classed(CLASS.SELECTED, false), d, i);
+                }
+            }
+        });
+    };
+    c3_chart_fn.unselect = function (ids, indices) {
+        var $$ = this.internal, d3 = $$.d3, config = $$.config;
+        if (! config.data_selection_enabled) { return; }
+        $$.main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape).each(function (d, i) {
+            var shape = d3.select(this), id = d.data ? d.data.id : d.id,
+                toggle = $$.getToggle(this, d).bind($$),
+                isTargetId = config.data_selection_grouped || !ids || ids.indexOf(id) >= 0,
+                isTargetIndex = !indices || indices.indexOf(i) >= 0,
+                isSelected = shape.classed(CLASS.SELECTED);
+            // line/area selection not supported yet
+            if (shape.classed(CLASS.line) || shape.classed(CLASS.area)) {
+                return;
+            }
+            if (isTargetId && isTargetIndex) {
+                if (config.data_selection_isselectable(d)) {
+                    if (isSelected) {
+                        toggle(false, shape.classed(CLASS.SELECTED, false), d, i);
+                    }
+                }
+            }
+        });
+    };
+
+    c3_chart_fn.transform = function (type, targetIds) {
+        var $$ = this.internal,
+            options = ['pie', 'donut'].indexOf(type) >= 0 ? {withTransform: true} : null;
+        $$.transformTo(targetIds, type, options);
+    };
+
+    c3_chart_internal_fn.transformTo = function (targetIds, type, optionsForRedraw) {
+        var $$ = this,
+            withTransitionForAxis = !$$.hasArcType(),
+            options = optionsForRedraw || {withTransitionForAxis: withTransitionForAxis};
+        options.withTransitionForTransform = false;
+        $$.transiting = false;
+        $$.setTargetType(targetIds, type);
+        $$.updateTargets($$.data.targets); // this is needed when transforming to arc
+        $$.updateAndRedraw(options);
+    };
+
+    c3_chart_fn.groups = function (groups) {
+        var $$ = this.internal, config = $$.config;
+        if (isUndefined(groups)) { return config.data_groups; }
+        config.data_groups = groups;
+        $$.redraw();
+        return config.data_groups;
+    };
+
+    c3_chart_fn.xgrids = function (grids) {
+        var $$ = this.internal, config = $$.config;
+        if (! grids) { return config.grid_x_lines; }
+        config.grid_x_lines = grids;
+        $$.redrawWithoutRescale();
+        return config.grid_x_lines;
+    };
+    c3_chart_fn.xgrids.add = function (grids) {
+        var $$ = this.internal;
+        return this.xgrids($$.config.grid_x_lines.concat(grids ? grids : []));
+    };
+    c3_chart_fn.xgrids.remove = function (params) { // TODO: multiple
+        var $$ = this.internal;
+        $$.removeGridLines(params, true);
+    };
+
+    c3_chart_fn.ygrids = function (grids) {
+        var $$ = this.internal, config = $$.config;
+        if (! grids) { return config.grid_y_lines; }
+        config.grid_y_lines = grids;
+        $$.redrawWithoutRescale();
+        return config.grid_y_lines;
+    };
+    c3_chart_fn.ygrids.add = function (grids) {
+        var $$ = this.internal;
+        return this.ygrids($$.config.grid_y_lines.concat(grids ? grids : []));
+    };
+    c3_chart_fn.ygrids.remove = function (params) { // TODO: multiple
+        var $$ = this.internal;
+        $$.removeGridLines(params, false);
+    };
+
+    c3_chart_fn.regions = function (regions) {
+        var $$ = this.internal, config = $$.config;
+        if (!regions) { return config.regions; }
+        config.regions = regions;
+        $$.redrawWithoutRescale();
+        return config.regions;
+    };
+    c3_chart_fn.regions.add = function (regions) {
+        var $$ = this.internal, config = $$.config;
+        if (!regions) { return config.regions; }
+        config.regions = config.regions.concat(regions);
+        $$.redrawWithoutRescale();
+        return config.regions;
+    };
+    c3_chart_fn.regions.remove = function (options) {
+        var $$ = this.internal, config = $$.config,
+            duration, classes, regions;
+
+        options = options || {};
+        duration = $$.getOption(options, "duration", config.transition_duration);
+        classes = $$.getOption(options, "classes", [CLASS.region]);
+
+        regions = $$.main.select('.' + CLASS.regions).selectAll(classes.map(function (c) { return '.' + c; }));
+        (duration ? regions.transition().duration(duration) : regions)
+            .style('opacity', 0)
+            .remove();
+
+        config.regions = config.regions.filter(function (region) {
+            var found = false;
+            if (!region['class']) {
+                return true;
+            }
+            region['class'].split(' ').forEach(function (c) {
+                if (classes.indexOf(c) >= 0) { found = true; }
+            });
+            return !found;
+        });
+
+        return config.regions;
+    };
+
+    c3_chart_fn.data = function (targetIds) {
+        var targets = this.internal.data.targets;
+        return typeof targetIds === 'undefined' ? targets : targets.filter(function (t) {
+            return [].concat(targetIds).indexOf(t.id) >= 0;
+        });
+    };
+    c3_chart_fn.data.shown = function (targetIds) {
+        return this.internal.filterTargetsToShow(this.data(targetIds));
+    };
+    c3_chart_fn.data.values = function (targetId) {
+        var targets, values = null;
+        if (targetId) {
+            targets = this.data(targetId);
+            values = targets[0] ? targets[0].values.map(function (d) { return d.value; }) : null;
+        }
+        return values;
+    };
+    c3_chart_fn.data.names = function (names) {
+        this.internal.clearLegendItemTextBoxCache();
+        return this.internal.updateDataAttributes('names', names);
+    };
+    c3_chart_fn.data.colors = function (colors) {
+        return this.internal.updateDataAttributes('colors', colors);
+    };
+    c3_chart_fn.data.axes = function (axes) {
+        return this.internal.updateDataAttributes('axes', axes);
+    };
+
+    c3_chart_fn.category = function (i, category) {
+        var $$ = this.internal, config = $$.config;
+        if (arguments.length > 1) {
+            config.axis_x_categories[i] = category;
+            $$.redraw();
+        }
+        return config.axis_x_categories[i];
+    };
+    c3_chart_fn.categories = function (categories) {
+        var $$ = this.internal, config = $$.config;
+        if (!arguments.length) { return config.axis_x_categories; }
+        config.axis_x_categories = categories;
+        $$.redraw();
+        return config.axis_x_categories;
+    };
+
+    // TODO: fix
+    c3_chart_fn.color = function (id) {
+        var $$ = this.internal;
+        return $$.color(id); // more patterns
+    };
+
+    c3_chart_fn.x = function (x) {
+        var $$ = this.internal;
+        if (arguments.length) {
+            $$.updateTargetX($$.data.targets, x);
+            $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
+        }
+        return $$.data.xs;
+    };
+    c3_chart_fn.xs = function (xs) {
+        var $$ = this.internal;
+        if (arguments.length) {
+            $$.updateTargetXs($$.data.targets, xs);
+            $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
+        }
+        return $$.data.xs;
+    };
+
+    c3_chart_fn.axis = function () {};
+    c3_chart_fn.axis.labels = function (labels) {
+        var $$ = this.internal;
+        if (arguments.length) {
+            Object.keys(labels).forEach(function (axisId) {
+                $$.axis.setLabelText(axisId, labels[axisId]);
+            });
+            $$.axis.updateLabels();
+        }
+        // TODO: return some values?
+    };
+    c3_chart_fn.axis.max = function (max) {
+        var $$ = this.internal, config = $$.config;
+        if (arguments.length) {
+            if (typeof max === 'object') {
+                if (isValue(max.x)) { config.axis_x_max = max.x; }
+                if (isValue(max.y)) { config.axis_y_max = max.y; }
+                if (isValue(max.y2)) { config.axis_y2_max = max.y2; }
+            } else {
+                config.axis_y_max = config.axis_y2_max = max;
+            }
+            $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
+        } else {
+            return {
+                x: config.axis_x_max,
+                y: config.axis_y_max,
+                y2: config.axis_y2_max
+            };
+        }
+    };
+    c3_chart_fn.axis.min = function (min) {
+        var $$ = this.internal, config = $$.config;
+        if (arguments.length) {
+            if (typeof min === 'object') {
+                if (isValue(min.x)) { config.axis_x_min = min.x; }
+                if (isValue(min.y)) { config.axis_y_min = min.y; }
+                if (isValue(min.y2)) { config.axis_y2_min = min.y2; }
+            } else {
+                config.axis_y_min = config.axis_y2_min = min;
+            }
+            $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
+        } else {
+            return {
+                x: config.axis_x_min,
+                y: config.axis_y_min,
+                y2: config.axis_y2_min
+            };
+        }
+    };
+    c3_chart_fn.axis.range = function (range) {
+        if (arguments.length) {
+            if (isDefined(range.max)) { this.axis.max(range.max); }
+            if (isDefined(range.min)) { this.axis.min(range.min); }
+        } else {
+            return {
+                max: this.axis.max(),
+                min: this.axis.min()
+            };
+        }
+    };
+
+    c3_chart_fn.legend = function () {};
+    c3_chart_fn.legend.show = function (targetIds) {
+        var $$ = this.internal;
+        $$.showLegend($$.mapToTargetIds(targetIds));
+        $$.updateAndRedraw({withLegend: true});
+    };
+    c3_chart_fn.legend.hide = function (targetIds) {
+        var $$ = this.internal;
+        $$.hideLegend($$.mapToTargetIds(targetIds));
+        $$.updateAndRedraw({withLegend: true});
+    };
+
+    c3_chart_fn.resize = function (size) {
+        var $$ = this.internal, config = $$.config;
+        config.size_width = size ? size.width : null;
+        config.size_height = size ? size.height : null;
+        this.flush();
+    };
+
+    c3_chart_fn.flush = function () {
+        var $$ = this.internal;
+        $$.updateAndRedraw({withLegend: true, withTransition: false, withTransitionForTransform: false});
+    };
+
+    c3_chart_fn.destroy = function () {
+        var $$ = this.internal;
+
+        window.clearInterval($$.intervalForObserveInserted);
+
+        if ($$.resizeTimeout !== undefined) {
+            window.clearTimeout($$.resizeTimeout);
+        }
+
+        if (window.detachEvent) {
+            window.detachEvent('onresize', $$.resizeFunction);
+        } else if (window.removeEventListener) {
+            window.removeEventListener('resize', $$.resizeFunction);
+        } else {
+            var wrapper = window.onresize;
+            // check if no one else removed our wrapper and remove our resizeFunction from it
+            if (wrapper && wrapper.add && wrapper.remove) {
+                wrapper.remove($$.resizeFunction);
+            }
+        }
+
+        $$.selectChart.classed('c3', false).html("");
+
+        // MEMO: this is needed because the reference of some elements will not be released, then memory leak will happen.
+        Object.keys($$).forEach(function (key) {
+            $$[key] = null;
+        });
+
+        return null;
+    };
+
+    c3_chart_fn.tooltip = function () {};
+    c3_chart_fn.tooltip.show = function (args) {
+        var $$ = this.internal, index, mouse;
+
+        // determine mouse position on the chart
+        if (args.mouse) {
+            mouse = args.mouse;
+        }
+
+        // determine focus data
+        if (args.data) {
+            if ($$.isMultipleX()) {
+                // if multiple xs, target point will be determined by mouse
+                mouse = [$$.x(args.data.x), $$.getYScale(args.data.id)(args.data.value)];
+                index = null;
+            } else {
+                // TODO: when tooltip_grouped = false
+                index = isValue(args.data.index) ? args.data.index : $$.getIndexByX(args.data.x);
+            }
+        }
+        else if (typeof args.x !== 'undefined') {
+            index = $$.getIndexByX(args.x);
+        }
+        else if (typeof args.index !== 'undefined') {
+            index = args.index;
+        }
+
+        // emulate mouse events to show
+        $$.dispatchEvent('mouseover', index, mouse);
+        $$.dispatchEvent('mousemove', index, mouse);
+
+        $$.config.tooltip_onshow.call($$, args.data);
+    };
+    c3_chart_fn.tooltip.hide = function () {
+        // TODO: get target data by checking the state of focus
+        this.internal.dispatchEvent('mouseout', 0);
+
+        this.internal.config.tooltip_onhide.call(this);
+    };
+
+    // Features:
+    // 1. category axis
+    // 2. ceil values of translate/x/y to int for half pixel antialiasing
+    // 3. multiline tick text
+    var tickTextCharSize;
+    function c3_axis(d3, params) {
+        var scale = d3.scale.linear(), orient = "bottom", innerTickSize = 6, outerTickSize, tickPadding = 3, tickValues = null, tickFormat, tickArguments;
+
+        var tickOffset = 0, tickCulling = true, tickCentered;
+
+        params = params || {};
+        outerTickSize = params.withOuterTick ? 6 : 0;
+
+        function axisX(selection, x) {
+            selection.attr("transform", function (d) {
+                return "translate(" + Math.ceil(x(d) + tickOffset) + ", 0)";
+            });
+        }
+        function axisY(selection, y) {
+            selection.attr("transform", function (d) {
+                return "translate(0," + Math.ceil(y(d)) + ")";
+            });
+        }
+        function scaleExtent(domain) {
+            var start = domain[0], stop = domain[domain.length - 1];
+            return start < stop ? [ start, stop ] : [ stop, start ];
+        }
+        function generateTicks(scale) {
+            var i, domain, ticks = [];
+            if (scale.ticks) {
+                return scale.ticks.apply(scale, tickArguments);
+            }
+            domain = scale.domain();
+            for (i = Math.ceil(domain[0]); i < domain[1]; i++) {
+                ticks.push(i);
+            }
+            if (ticks.length > 0 && ticks[0] > 0) {
+                ticks.unshift(ticks[0] - (ticks[1] - ticks[0]));
+            }
+            return ticks;
+        }
+        function copyScale() {
+            var newScale = scale.copy(), domain;
+            if (params.isCategory) {
+                domain = scale.domain();
+                newScale.domain([domain[0], domain[1] - 1]);
+            }
+            return newScale;
+        }
+        function textFormatted(v) {
+            var formatted = tickFormat ? tickFormat(v) : v;
+            return typeof formatted !== 'undefined' ? formatted : '';
+        }
+        function getSizeFor1Char(tick) {
+            if (tickTextCharSize) {
+                return tickTextCharSize;
+            }
+            var size = {
+                h: 11.5,
+                w: 5.5
+            };
+            tick.select('text').text(textFormatted).each(function (d) {
+                var box = this.getBoundingClientRect(),
+                    text = textFormatted(d),
+                    h = box.height,
+                    w = text ? (box.width / text.length) : undefined;
+                if (h && w) {
+                    size.h = h;
+                    size.w = w;
+                }
+            }).text('');
+            tickTextCharSize = size;
+            return size;
+        }
+        function transitionise(selection) {
+            return params.withoutTransition ? selection : d3.transition(selection);
+        }
+        function axis(g) {
+            g.each(function () {
+                var g = axis.g = d3.select(this);
+
+                var scale0 = this.__chart__ || scale, scale1 = this.__chart__ = copyScale();
+
+                var ticks = tickValues ? tickValues : generateTicks(scale1),
+                    tick = g.selectAll(".tick").data(ticks, scale1),
+                    tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", 1e-6),
+                    // MEMO: No exit transition. The reason is this transition affects max tick width calculation because old tick will be included in the ticks.
+                    tickExit = tick.exit().remove(),
+                    tickUpdate = transitionise(tick).style("opacity", 1),
+                    tickTransform, tickX, tickY;
+
+                var range = scale.rangeExtent ? scale.rangeExtent() : scaleExtent(scale.range()),
+                    path = g.selectAll(".domain").data([ 0 ]),
+                    pathUpdate = (path.enter().append("path").attr("class", "domain"), transitionise(path));
+                tickEnter.append("line");
+                tickEnter.append("text");
+
+                var lineEnter = tickEnter.select("line"),
+                    lineUpdate = tickUpdate.select("line"),
+                    textEnter = tickEnter.select("text"),
+                    textUpdate = tickUpdate.select("text");
+
+                if (params.isCategory) {
+                    tickOffset = Math.ceil((scale1(1) - scale1(0)) / 2);
+                    tickX = tickCentered ? 0 : tickOffset;
+                    tickY = tickCentered ? tickOffset : 0;
+                } else {
+                    tickOffset = tickX = 0;
+                }
+
+                var text, tspan, sizeFor1Char = getSizeFor1Char(g.select('.tick')), counts = [];
+                var tickLength = Math.max(innerTickSize, 0) + tickPadding,
+                    isVertical = orient === 'left' || orient === 'right';
+
+                // this should be called only when category axis
+                function splitTickText(d, maxWidth) {
+                    var tickText = textFormatted(d),
+                        subtext, spaceIndex, textWidth, splitted = [];
+
+                    if (Object.prototype.toString.call(tickText) === "[object Array]") {
+                        return tickText;
+                    }
+
+                    if (!maxWidth || maxWidth <= 0) {
+                        maxWidth = isVertical ? 95 : params.isCategory ? (Math.ceil(scale1(ticks[1]) - scale1(ticks[0])) - 12) : 110;
+                    }
+
+                    function split(splitted, text) {
+                        spaceIndex = undefined;
+                        for (var i = 1; i < text.length; i++) {
+                            if (text.charAt(i) === ' ') {
+                                spaceIndex = i;
+                            }
+                            subtext = text.substr(0, i + 1);
+                            textWidth = sizeFor1Char.w * subtext.length;
+                            // if text width gets over tick width, split by space index or crrent index
+                            if (maxWidth < textWidth) {
+                                return split(
+                                    splitted.concat(text.substr(0, spaceIndex ? spaceIndex : i)),
+                                    text.slice(spaceIndex ? spaceIndex + 1 : i)
+                                );
+                            }
+                        }
+                        return splitted.concat(text);
+                    }
+
+                    return split(splitted, tickText + "");
+                }
+
+                function tspanDy(d, i) {
+                    var dy = sizeFor1Char.h;
+                    if (i === 0) {
+                        if (orient === 'left' || orient === 'right') {
+                            dy = -((counts[d.index] - 1) * (sizeFor1Char.h / 2) - 3);
+                        } else {
+                            dy = ".71em";
+                        }
+                    }
+                    return dy;
+                }
+
+                function tickSize(d) {
+                    var tickPosition = scale(d) + (tickCentered ? 0 : tickOffset);
+                    return range[0] < tickPosition && tickPosition < range[1] ? innerTickSize : 0;
+                }
+
+                text = tick.select("text");
+                tspan = text.selectAll('tspan')
+                    .data(function (d, i) {
+                        var splitted = params.tickMultiline ? splitTickText(d, params.tickWidth) : [].concat(textFormatted(d));
+                        counts[i] = splitted.length;
+                        return splitted.map(function (s) {
+                            return { index: i, splitted: s };
+                        });
+                    });
+                tspan.enter().append('tspan');
+                tspan.exit().remove();
+                tspan.text(function (d) { return d.splitted; });
+
+                var rotate = params.tickTextRotate;
+
+                function textAnchorForText(rotate) {
+                    if (!rotate) {
+                        return 'middle';
+                    }
+                    return rotate > 0 ? "start" : "end";
+                }
+                function textTransform(rotate) {
+                    if (!rotate) {
+                        return '';
+                    }
+                    return "rotate(" + rotate + ")";
+                }
+                function dxForText(rotate) {
+                    if (!rotate) {
+                        return 0;
+                    }
+                    return 8 * Math.sin(Math.PI * (rotate / 180));
+                }
+                function yForText(rotate) {
+                    if (!rotate) {
+                        return tickLength;
+                    }
+                    return 11.5 - 2.5 * (rotate / 15) * (rotate > 0 ? 1 : -1);
+                }
+
+                switch (orient) {
+                case "bottom":
+                    {
+                        tickTransform = axisX;
+                        lineEnter.attr("y2", innerTickSize);
+                        textEnter.attr("y", tickLength);
+                        lineUpdate.attr("x1", tickX).attr("x2", tickX).attr("y2", tickSize);
+                        textUpdate.attr("x", 0).attr("y", yForText(rotate))
+                            .style("text-anchor", textAnchorForText(rotate))
+                            .attr("transform", textTransform(rotate));
+                        tspan.attr('x', 0).attr("dy", tspanDy).attr('dx', dxForText(rotate));
+                        pathUpdate.attr("d", "M" + range[0] + "," + outerTickSize + "V0H" + range[1] + "V" + outerTickSize);
+                        break;
+                    }
+                case "top":
+                    {
+                        // TODO: rotated tick text
+                        tickTransform = axisX;
+                        lineEnter.attr("y2", -innerTickSize);
+                        textEnter.attr("y", -tickLength);
+                        lineUpdate.attr("x2", 0).attr("y2", -innerTickSize);
+                        textUpdate.attr("x", 0).attr("y", -tickLength);
+                        text.style("text-anchor", "middle");
+                        tspan.attr('x', 0).attr("dy", "0em");
+                        pathUpdate.attr("d", "M" + range[0] + "," + -outerTickSize + "V0H" + range[1] + "V" + -outerTickSize);
+                        break;
+                    }
+                case "left":
+                    {
+                        tickTransform = axisY;
+                        lineEnter.attr("x2", -innerTickSize);
+                        textEnter.attr("x", -tickLength);
+                        lineUpdate.attr("x2", -innerTickSize).attr("y1", tickY).attr("y2", tickY);
+                        textUpdate.attr("x", -tickLength).attr("y", tickOffset);
+                        text.style("text-anchor", "end");
+                        tspan.attr('x', -tickLength).attr("dy", tspanDy);
+                        pathUpdate.attr("d", "M" + -outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + -outerTickSize);
+                        break;
+                    }
+                case "right":
+                    {
+                        tickTransform = axisY;
+                        lineEnter.attr("x2", innerTickSize);
+                        textEnter.attr("x", tickLength);
+                        lineUpdate.attr("x2", innerTickSize).attr("y2", 0);
+                        textUpdate.attr("x", tickLength).attr("y", 0);
+                        text.style("text-anchor", "start");
+                        tspan.attr('x', tickLength).attr("dy", tspanDy);
+                        pathUpdate.attr("d", "M" + outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + outerTickSize);
+                        break;
+                    }
+                }
+                if (scale1.rangeBand) {
+                    var x = scale1, dx = x.rangeBand() / 2;
+                    scale0 = scale1 = function (d) {
+                        return x(d) + dx;
+                    };
+                } else if (scale0.rangeBand) {
+                    scale0 = scale1;
+                } else {
+                    tickExit.call(tickTransform, scale1);
+                }
+                tickEnter.call(tickTransform, scale0);
+                tickUpdate.call(tickTransform, scale1);
+            });
+        }
+        axis.scale = function (x) {
+            if (!arguments.length) { return scale; }
+            scale = x;
+            return axis;
+        };
+        axis.orient = function (x) {
+            if (!arguments.length) { return orient; }
+            orient = x in {top: 1, right: 1, bottom: 1, left: 1} ? x + "" : "bottom";
+            return axis;
+        };
+        axis.tickFormat = function (format) {
+            if (!arguments.length) { return tickFormat; }
+            tickFormat = format;
+            return axis;
+        };
+        axis.tickCentered = function (isCentered) {
+            if (!arguments.length) { return tickCentered; }
+            tickCentered = isCentered;
+            return axis;
+        };
+        axis.tickOffset = function () {
+            return tickOffset;
+        };
+        axis.tickInterval = function () {
+            var interval, length;
+            if (params.isCategory) {
+                interval = tickOffset * 2;
+            }
+            else {
+                length = axis.g.select('path.domain').node().getTotalLength() - outerTickSize * 2;
+                interval = length / axis.g.selectAll('line').size();
+            }
+            return interval === Infinity ? 0 : interval;
+        };
+        axis.ticks = function () {
+            if (!arguments.length) { return tickArguments; }
+            tickArguments = arguments;
+            return axis;
+        };
+        axis.tickCulling = function (culling) {
+            if (!arguments.length) { return tickCulling; }
+            tickCulling = culling;
+            return axis;
+        };
+        axis.tickValues = function (x) {
+            if (typeof x === 'function') {
+                tickValues = function () {
+                    return x(scale.domain());
+                };
+            }
+            else {
+                if (!arguments.length) { return tickValues; }
+                tickValues = x;
+            }
+            return axis;
+        };
+        return axis;
+    }
+
+    c3_chart_internal_fn.isSafari = function () {
+        var ua = window.navigator.userAgent;
+        return ua.indexOf('Safari') >= 0 && ua.indexOf('Chrome') < 0;
+    };
+    c3_chart_internal_fn.isChrome = function () {
+        var ua = window.navigator.userAgent;
+        return ua.indexOf('Chrome') >= 0;
+    };
+
+    // PhantomJS doesn't have support for Function.prototype.bind, which has caused confusion. Use
+    // this polyfill to avoid the confusion.
+    // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind#Polyfill
+
+    if (!Function.prototype.bind) {
+      Function.prototype.bind = function(oThis) {
+        if (typeof this !== 'function') {
+          // closest thing possible to the ECMAScript 5
+          // internal IsCallable function
+          throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable');
+        }
+
+        var aArgs   = Array.prototype.slice.call(arguments, 1),
+            fToBind = this,
+            fNOP    = function() {},
+            fBound  = function() {
+              return fToBind.apply(this instanceof fNOP ? this : oThis, aArgs.concat(Array.prototype.slice.call(arguments)));
+            };
+
+        fNOP.prototype = this.prototype;
+        fBound.prototype = new fNOP();
+
+        return fBound;
+      };
+    }
+
+    if (typeof define === 'function' && define.amd) {
+        define("c3", ["d3"], function () { return c3; });
+    } else if ('undefined' !== typeof exports && 'undefined' !== typeof module) {
+        module.exports = c3;
+    } else {
+        window.c3 = c3;
+    }
+
+})(window);
diff --git a/debian/missing-sources/dygraph-combined.js b/debian/missing-sources/dygraph-combined.js
new file mode 100644
index 000000000..5316fe49d
--- /dev/null
+++ b/debian/missing-sources/dygraph-combined.js
@@ -0,0 +1,11219 @@
+/*! @license Copyright 2014 Dan Vanderkam (danvdk@gmail.com) MIT-licensed (http://opensource.org/licenses/MIT) */
+// Console-polyfill. MIT license.
+// https://github.com/paulmillr/console-polyfill
+// Make it safe to do console.log() always.
+(function(con) {
+  'use strict';
+  var prop, method;
+  var empty = {};
+  var dummy = function() {};
+  var properties = 'memory'.split(',');
+  var methods = ('assert,clear,count,debug,dir,dirxml,error,exception,group,' +
+     'groupCollapsed,groupEnd,info,log,markTimeline,profile,profiles,profileEnd,' +
+     'show,table,time,timeEnd,timeline,timelineEnd,timeStamp,trace,warn').split(',');
+  while (prop = properties.pop()) con[prop] = con[prop] || empty;
+  while (method = methods.pop()) con[method] = con[method] || dummy;
+})(this.console = this.console || {}); // Using `this` for web workers.
+/**
+ * @license
+ * Copyright 2012 Dan Vanderkam (danvdk@gmail.com)
+ * MIT-licensed (http://opensource.org/licenses/MIT)
+ */
+
+(function() {
+'use strict';
+
+/**
+ * @fileoverview Adds support for dashed lines to the HTML5 canvas.
+ *
+ * Usage:
+ *   var ctx = canvas.getContext("2d");
+ *   ctx.installPattern([10, 5])  // draw 10 pixels, skip 5 pixels, repeat.
+ *   ctx.beginPath();
+ *   ctx.moveTo(100, 100);  // start the first line segment.
+ *   ctx.lineTo(150, 200);
+ *   ctx.lineTo(200, 100);
+ *   ctx.moveTo(300, 150);  // start a second, unconnected line
+ *   ctx.lineTo(400, 250);
+ *   ...
+ *   ctx.stroke();          // draw the dashed line.
+ *   ctx.uninstallPattern();
+ *
+ * This is designed to leave the canvas untouched when it's not used.
+ * If you never install a pattern, or call uninstallPattern(), then the canvas
+ * will be exactly as it would have if you'd never used this library. The only
+ * difference from the standard canvas will be the "installPattern" method of
+ * the drawing context.
+ */
+
+/**
+ * Change the stroking style of the canvas drawing context from a solid line to
+ * a pattern (e.g. dashes, dash-dot-dash, etc.)
+ *
+ * Once you've installed the pattern, you can draw with it by using the
+ * beginPath(), moveTo(), lineTo() and stroke() method calls. Note that some
+ * more advanced methods (e.g. quadraticCurveTo() and bezierCurveTo()) are not
+ * supported. See file overview for a working example.
+ *
+ * Side effects of calling this method include adding an "isPatternInstalled"
+ * property and "uninstallPattern" method to this particular canvas context.
+ * You must call uninstallPattern() before calling installPattern() again.
+ *
+ * @param {Array.<number>} pattern A description of the stroke pattern. Even
+ * indices indicate a draw and odd indices indicate a gap (in pixels). The
+ * array should have a even length as any odd lengthed array could be expressed
+ * as a smaller even length array.
+ */
+CanvasRenderingContext2D.prototype.installPattern = function(pattern) {
+  if (typeof(this.isPatternInstalled) !== 'undefined') {
+    throw "Must un-install old line pattern before installing a new one.";
+  }
+  this.isPatternInstalled = true;
+
+  var dashedLineToHistory = [0, 0];
+
+  // list of connected line segements:
+  // [ [x1, y1], ..., [xn, yn] ], [ [x1, y1], ..., [xn, yn] ]
+  var segments = [];
+
+  // Stash away copies of the unmodified line-drawing functions.
+  var realBeginPath = this.beginPath;
+  var realLineTo = this.lineTo;
+  var realMoveTo = this.moveTo;
+  var realStroke = this.stroke;
+
+  /** @type {function()|undefined} */
+  this.uninstallPattern = function() {
+    this.beginPath = realBeginPath;
+    this.lineTo = realLineTo;
+    this.moveTo = realMoveTo;
+    this.stroke = realStroke;
+    this.uninstallPattern = undefined;
+    this.isPatternInstalled = undefined;
+  };
+
+  // Keep our own copies of the line segments as they're drawn.
+  this.beginPath = function() {
+    segments = [];
+    realBeginPath.call(this);
+  };
+  this.moveTo = function(x, y) {
+    segments.push([[x, y]]);
+    realMoveTo.call(this, x, y);
+  };
+  this.lineTo = function(x, y) {
+    var last = segments[segments.length - 1];
+    last.push([x, y]);
+  };
+
+  this.stroke = function() {
+    if (segments.length === 0) {
+      // Maybe the user is drawing something other than a line.
+      // TODO(danvk): test this case.
+      realStroke.call(this);
+      return;
+    }
+
+    for (var i = 0; i < segments.length; i++) {
+      var seg = segments[i];
+      var x1 = seg[0][0], y1 = seg[0][1];
+      for (var j = 1; j < seg.length; j++) {
+        // Draw a dashed line from (x1, y1) - (x2, y2)
+        var x2 = seg[j][0], y2 = seg[j][1];
+        this.save();
+
+        // Calculate transformation parameters
+        var dx = (x2-x1);
+        var dy = (y2-y1);
+        var len = Math.sqrt(dx*dx + dy*dy);
+        var rot = Math.atan2(dy, dx);
+
+        // Set transformation
+        this.translate(x1, y1);
+        realMoveTo.call(this, 0, 0);
+        this.rotate(rot);
+
+        // Set last pattern index we used for this pattern.
+        var patternIndex = dashedLineToHistory[0];
+        var x = 0;
+        while (len > x) {
+          // Get the length of the pattern segment we are dealing with.
+          var segment = pattern[patternIndex];
+          // If our last draw didn't complete the pattern segment all the way
+          // we will try to finish it. Otherwise we will try to do the whole
+          // segment.
+          if (dashedLineToHistory[1]) {
+            x += dashedLineToHistory[1];
+          } else {
+            x += segment;
+          }
+
+          if (x > len) {
+            // We were unable to complete this pattern index all the way, keep
+            // where we are the history so our next draw continues where we
+            // left off in the pattern.
+            dashedLineToHistory = [patternIndex, x-len];
+            x = len;
+          } else {
+            // We completed this patternIndex, we put in the history that we
+            // are on the beginning of the next segment.
+            dashedLineToHistory = [(patternIndex+1)%pattern.length, 0];
+          }
+
+          // We do a line on a even pattern index and just move on a odd
+          // pattern index.  The move is the empty space in the dash.
+          if (patternIndex % 2 === 0) {
+            realLineTo.call(this, x, 0);
+          } else {
+            realMoveTo.call(this, x, 0);
+          }
+
+          // If we are not done, next loop process the next pattern segment, or
+          // the first segment again if we are at the end of the pattern.
+          patternIndex = (patternIndex+1) % pattern.length;
+        }
+
+        this.restore();
+        x1 = x2;
+        y1 = y2;
+      }
+    }
+    realStroke.call(this);
+    segments = [];
+  };
+};
+
+/**
+ * Removes the previously-installed pattern.
+ * You must call installPattern() before calling this. You can install at most
+ * one pattern at a time--there is no pattern stack.
+ */
+CanvasRenderingContext2D.prototype.uninstallPattern = function() {
+  // This will be replaced by a non-error version when a pattern is installed.
+  throw "Must install a line pattern before uninstalling it.";
+};
+
+})();
+/**
+ * @license
+ * Copyright 2011 Dan Vanderkam (danvdk@gmail.com)
+ * MIT-licensed (http://opensource.org/licenses/MIT)
+ */
+
+/**
+ * @fileoverview DygraphOptions is responsible for parsing and returning information about options.
+ *
+ * Still tightly coupled to Dygraphs, we could remove some of that, you know.
+ */
+
+var DygraphOptions = (function() {
+/*jshint strict:false */
+
+// For "production" code, this gets set to false by uglifyjs.
+// Need to define it outside of "use strict", hence the nested IIFEs.
+if (typeof(DEBUG) === 'undefined') DEBUG=true;
+
+return (function() {
+
+// TODO: remove this jshint directive & fix the warnings.
+/*jshint sub:true */
+/*global Dygraph:false */
+"use strict";
+
+/*
+ * Interesting member variables: (REMOVING THIS LIST AS I CLOSURIZE)
+ * global_ - global attributes (common among all graphs, AIUI)
+ * user - attributes set by the user
+ * series_ - { seriesName -> { idx, yAxis, options }}
+ */
+
+/**
+ * This parses attributes into an object that can be easily queried.
+ *
+ * It doesn't necessarily mean that all options are available, specifically
+ * if labels are not yet available, since those drive details of the per-series
+ * and per-axis options.
+ *
+ * @param {Dygraph} dygraph The chart to which these options belong.
+ * @constructor
+ */
+var DygraphOptions = function(dygraph) {
+  /**
+   * The dygraph.
+   * @type {!Dygraph}
+   */
+  this.dygraph_ = dygraph;
+
+  /**
+   * Array of axis index to { series : [ series names ] , options : { axis-specific options. }
+   * @type {Array.<{series : Array.<string>, options : Object}>} @private
+   */
+  this.yAxes_ = [];
+
+  /**
+   * Contains x-axis specific options, which are stored in the options key.
+   * This matches the yAxes_ object structure (by being a dictionary with an
+   * options element) allowing for shared code.
+   * @type {options: Object} @private
+   */
+  this.xAxis_ = {};
+  this.series_ = {};
+
+  // Once these two objects are initialized, you can call get();
+  this.global_ = this.dygraph_.attrs_;
+  this.user_ = this.dygraph_.user_attrs_ || {};
+
+  /**
+   * A list of series in columnar order.
+   * @type {Array.<string>}
+   */
+  this.labels_ = [];
+
+  this.highlightSeries_ = this.get("highlightSeriesOpts") || {};
+  this.reparseSeries();
+};
+
+/**
+ * Not optimal, but does the trick when you're only using two axes.
+ * If we move to more axes, this can just become a function.
+ *
+ * @type {Object.<number>}
+ * @private
+ */
+DygraphOptions.AXIS_STRING_MAPPINGS_ = {
+  'y' : 0,
+  'Y' : 0,
+  'y1' : 0,
+  'Y1' : 0,
+  'y2' : 1,
+  'Y2' : 1
+};
+
+/**
+ * @param {string|number} axis
+ * @private
+ */
+DygraphOptions.axisToIndex_ = function(axis) {
+  if (typeof(axis) == "string") {
+    if (DygraphOptions.AXIS_STRING_MAPPINGS_.hasOwnProperty(axis)) {
+      return DygraphOptions.AXIS_STRING_MAPPINGS_[axis];
+    }
+    throw "Unknown axis : " + axis;
+  }
+  if (typeof(axis) == "number") {
+    if (axis === 0 || axis === 1) {
+      return axis;
+    }
+    throw "Dygraphs only supports two y-axes, indexed from 0-1.";
+  }
+  if (axis) {
+    throw "Unknown axis : " + axis;
+  }
+  // No axis specification means axis 0.
+  return 0;
+};
+
+/**
+ * Reparses options that are all related to series. This typically occurs when
+ * options are either updated, or source data has been made available.
+ *
+ * TODO(konigsberg): The method name is kind of weak; fix.
+ */
+DygraphOptions.prototype.reparseSeries = function() {
+  var labels = this.get("labels");
+  if (!labels) {
+    return; // -- can't do more for now, will parse after getting the labels.
+  }
+
+  this.labels_ = labels.slice(1);
+
+  this.yAxes_ = [ { series : [], options : {}} ]; // Always one axis at least.
+  this.xAxis_ = { options : {} };
+  this.series_ = {};
+
+  // Traditionally, per-series options were specified right up there with the options. For instance
+  // {
+  //   labels: [ "X", "foo", "bar" ],
+  //   pointSize: 3,
+  //   foo : {}, // options for foo
+  //   bar : {} // options for bar
+  // }
+  //
+  // Moving forward, series really should be specified in the series element, separating them.
+  // like so:
+  //
+  // {
+  //   labels: [ "X", "foo", "bar" ],
+  //   pointSize: 3,
+  //   series : {
+  //     foo : {}, // options for foo
+  //     bar : {} // options for bar
+  //   }
+  // }
+  //
+  // So, if series is found, it's expected to contain per-series data, otherwise we fall
+  // back.
+  var oldStyleSeries = !this.user_["series"];
+
+  if (oldStyleSeries) {
+    var axisId = 0; // 0-offset; there's always one.
+    // Go through once, add all the series, and for those with {} axis options, add a new axis.
+    for (var idx = 0; idx < this.labels_.length; idx++) {
+      var seriesName = this.labels_[idx];
+
+      var optionsForSeries = this.user_[seriesName] || {};
+
+      var yAxis = 0;
+      var axis = optionsForSeries["axis"];
+      if (typeof(axis) == 'object') {
+        yAxis = ++axisId;
+        this.yAxes_[yAxis] = { series : [ seriesName ], options : axis };
+      }
+
+      // Associate series without axis options with axis 0.
+      if (!axis) { // undefined
+        this.yAxes_[0].series.push(seriesName);
+      }
+
+      this.series_[seriesName] = { idx: idx, yAxis: yAxis, options : optionsForSeries };
+    }
+
+    // Go through one more time and assign series to an axis defined by another
+    // series, e.g. { 'Y1: { axis: {} }, 'Y2': { axis: 'Y1' } }
+    for (var idx = 0; idx < this.labels_.length; idx++) {
+      var seriesName = this.labels_[idx];
+      var optionsForSeries = this.series_[seriesName]["options"];
+      var axis = optionsForSeries["axis"];
+
+      if (typeof(axis) == 'string') {
+        if (!this.series_.hasOwnProperty(axis)) {
+          console.error("Series " + seriesName + " wants to share a y-axis with " +
+                     "series " + axis + ", which does not define its own axis.");
+          return;
+        }
+        var yAxis = this.series_[axis].yAxis;
+        this.series_[seriesName].yAxis = yAxis;
+        this.yAxes_[yAxis].series.push(seriesName);
+      }
+    }
+  } else {
+    for (var idx = 0; idx < this.labels_.length; idx++) {
+      var seriesName = this.labels_[idx];
+      var optionsForSeries = this.user_.series[seriesName] || {};
+      var yAxis = DygraphOptions.axisToIndex_(optionsForSeries["axis"]);
+
+      this.series_[seriesName] = {
+        idx: idx,
+        yAxis: yAxis,
+        options : optionsForSeries };
+
+      if (!this.yAxes_[yAxis]) {
+        this.yAxes_[yAxis] =  { series : [ seriesName ], options : {} };
+      } else {
+        this.yAxes_[yAxis].series.push(seriesName);
+      }
+    }
+  }
+
+  var axis_opts = this.user_["axes"] || {};
+  Dygraph.update(this.yAxes_[0].options, axis_opts["y"] || {});
+  if (this.yAxes_.length > 1) {
+    Dygraph.update(this.yAxes_[1].options, axis_opts["y2"] || {});
+  }
+  Dygraph.update(this.xAxis_.options, axis_opts["x"] || {});
+
+  if (DEBUG) this.validateOptions_();
+};
+
+/**
+ * Get a global value.
+ *
+ * @param {string} name the name of the option.
+ */
+DygraphOptions.prototype.get = function(name) {
+  var result = this.getGlobalUser_(name);
+  if (result !== null) {
+    return result;
+  }
+  return this.getGlobalDefault_(name);
+};
+
+DygraphOptions.prototype.getGlobalUser_ = function(name) {
+  if (this.user_.hasOwnProperty(name)) {
+    return this.user_[name];
+  }
+  return null;
+};
+
+DygraphOptions.prototype.getGlobalDefault_ = function(name) {
+  if (this.global_.hasOwnProperty(name)) {
+    return this.global_[name];
+  }
+  if (Dygraph.DEFAULT_ATTRS.hasOwnProperty(name)) {
+    return Dygraph.DEFAULT_ATTRS[name];
+  }
+  return null;
+};
+
+/**
+ * Get a value for a specific axis. If there is no specific value for the axis,
+ * the global value is returned.
+ *
+ * @param {string} name the name of the option.
+ * @param {string|number} axis the axis to search. Can be the string representation
+ * ("y", "y2") or the axis number (0, 1).
+ */
+DygraphOptions.prototype.getForAxis = function(name, axis) {
+  var axisIdx;
+  var axisString;
+
+  // Since axis can be a number or a string, straighten everything out here.
+  if (typeof(axis) == 'number') {
+    axisIdx = axis;
+    axisString = axisIdx === 0 ? "y" : "y2";
+  } else {
+    if (axis == "y1") { axis = "y"; } // Standardize on 'y'. Is this bad? I think so.
+    if (axis == "y") {
+      axisIdx = 0;
+    } else if (axis == "y2") {
+      axisIdx = 1;
+    } else if (axis == "x") {
+      axisIdx = -1; // simply a placeholder for below.
+    } else {
+      throw "Unknown axis " + axis;
+    }
+    axisString = axis;
+  }
+
+  var userAxis = (axisIdx == -1) ? this.xAxis_ : this.yAxes_[axisIdx];
+
+  // Search the user-specified axis option first.
+  if (userAxis) { // This condition could be removed if we always set up this.yAxes_ for y2.
+    var axisOptions = userAxis.options;
+    if (axisOptions.hasOwnProperty(name)) {
+      return axisOptions[name];
+    }
+  }
+
+  // User-specified global options second.
+  // But, hack, ignore globally-specified 'logscale' for 'x' axis declaration.
+  if (!(axis === 'x' && name === 'logscale')) {
+    var result = this.getGlobalUser_(name);
+    if (result !== null) {
+      return result;
+    }
+  }
+  // Default axis options third.
+  var defaultAxisOptions = Dygraph.DEFAULT_ATTRS.axes[axisString];
+  if (defaultAxisOptions.hasOwnProperty(name)) {
+    return defaultAxisOptions[name];
+  }
+
+  // Default global options last.
+  return this.getGlobalDefault_(name);
+};
+
+/**
+ * Get a value for a specific series. If there is no specific value for the series,
+ * the value for the axis is returned (and afterwards, the global value.)
+ *
+ * @param {string} name the name of the option.
+ * @param {string} series the series to search.
+ */
+DygraphOptions.prototype.getForSeries = function(name, series) {
+  // Honors indexes as series.
+  if (series === this.dygraph_.getHighlightSeries()) {
+    if (this.highlightSeries_.hasOwnProperty(name)) {
+      return this.highlightSeries_[name];
+    }
+  }
+
+  if (!this.series_.hasOwnProperty(series)) {
+    throw "Unknown series: " + series;
+  }
+
+  var seriesObj = this.series_[series];
+  var seriesOptions = seriesObj["options"];
+  if (seriesOptions.hasOwnProperty(name)) {
+    return seriesOptions[name];
+  }
+
+  return this.getForAxis(name, seriesObj["yAxis"]);
+};
+
+/**
+ * Returns the number of y-axes on the chart.
+ * @return {number} the number of axes.
+ */
+DygraphOptions.prototype.numAxes = function() {
+  return this.yAxes_.length;
+};
+
+/**
+ * Return the y-axis for a given series, specified by name.
+ */
+DygraphOptions.prototype.axisForSeries = function(series) {
+  return this.series_[series].yAxis;
+};
+
+/**
+ * Returns the options for the specified axis.
+ */
+// TODO(konigsberg): this is y-axis specific. Support the x axis.
+DygraphOptions.prototype.axisOptions = function(yAxis) {
+  return this.yAxes_[yAxis].options;
+};
+
+/**
+ * Return the series associated with an axis.
+ */
+DygraphOptions.prototype.seriesForAxis = function(yAxis) {
+  return this.yAxes_[yAxis].series;
+};
+
+/**
+ * Return the list of all series, in their columnar order.
+ */
+DygraphOptions.prototype.seriesNames = function() {
+  return this.labels_;
+};
+
+if (DEBUG) {
+
+/**
+ * Validate all options.
+ * This requires Dygraph.OPTIONS_REFERENCE, which is only available in debug builds.
+ * @private
+ */
+DygraphOptions.prototype.validateOptions_ = function() {
+  if (typeof Dygraph.OPTIONS_REFERENCE === 'undefined') {
+    throw 'Called validateOptions_ in prod build.';
+  }
+
+  var that = this;
+  var validateOption = function(optionName) {
+    if (!Dygraph.OPTIONS_REFERENCE[optionName]) {
+      that.warnInvalidOption_(optionName);
+    }
+  };
+
+  var optionsDicts = [this.xAxis_.options,
+                      this.yAxes_[0].options,
+                      this.yAxes_[1] && this.yAxes_[1].options,
+                      this.global_,
+                      this.user_,
+                      this.highlightSeries_];
+  var names = this.seriesNames();
+  for (var i = 0; i < names.length; i++) {
+    var name = names[i];
+    if (this.series_.hasOwnProperty(name)) {
+      optionsDicts.push(this.series_[name].options);
+    }
+  }
+  for (var i = 0; i < optionsDicts.length; i++) {
+    var dict = optionsDicts[i];
+    if (!dict) continue;
+    for (var optionName in dict) {
+      if (dict.hasOwnProperty(optionName)) {
+        validateOption(optionName);
+      }
+    }
+  }
+};
+
+var WARNINGS = {};  // Only show any particular warning once.
+
+/**
+ * Logs a warning about invalid options.
+ * TODO: make this throw for testing
+ * @private
+ */
+DygraphOptions.prototype.warnInvalidOption_ = function(optionName) {
+  if (!WARNINGS[optionName]) {
+    WARNINGS[optionName] = true;
+    var isSeries = (this.labels_.indexOf(optionName) >= 0);
+    if (isSeries) {
+      console.warn('Use new-style per-series options (saw ' + optionName + ' as top-level options key). See http://bit.ly/1tceaJs');
+    } else {
+      console.warn('Unknown option ' + optionName + ' (full list of options at dygraphs.com/options.html');
+      throw "invalid option " + optionName;
+    }
+  }
+};
+
+// Reset list of previously-shown warnings. Used for testing.
+DygraphOptions.resetWarnings_ = function() {
+  WARNINGS = {};
+};
+
+}
+
+return DygraphOptions;
+
+})();
+})();
+/**
+ * @license
+ * Copyright 2011 Dan Vanderkam (danvdk@gmail.com)
+ * MIT-licensed (http://opensource.org/licenses/MIT)
+ */
+
+/**
+ * @fileoverview Based on PlotKitLayout, but modified to meet the needs of
+ * dygraphs.
+ */
+
+var DygraphLayout = (function() {
+
+/*global Dygraph:false */
+"use strict";
+
+/**
+ * Creates a new DygraphLayout object.
+ *
+ * This class contains all the data to be charted.
+ * It uses data coordinates, but also records the chart range (in data
+ * coordinates) and hence is able to calculate percentage positions ('In this
+ * view, Point A lies 25% down the x-axis.')
+ *
+ * Two things that it does not do are:
+ * 1. Record pixel coordinates for anything.
+ * 2. (oddly) determine anything about the layout of chart elements.
+ *
+ * The naming is a vestige of Dygraph's original PlotKit roots.
+ *
+ * @constructor
+ */
+var DygraphLayout = function(dygraph) {
+  this.dygraph_ = dygraph;
+  /**
+   * Array of points for each series.
+   *
+   * [series index][row index in series] = |Point| structure,
+   * where series index refers to visible series only, and the
+   * point index is for the reduced set of points for the current
+   * zoom region (including one point just outside the window).
+   * All points in the same row index share the same X value.
+   *
+   * @type {Array.<Array.<Dygraph.PointType>>}
+   */
+  this.points = [];
+  this.setNames = [];
+  this.annotations = [];
+  this.yAxes_ = null;
+
+  // TODO(danvk): it's odd that xTicks_ and yTicks_ are inputs, but xticks and
+  // yticks are outputs. Clean this up.
+  this.xTicks_ = null;
+  this.yTicks_ = null;
+};
+
+/**
+ * Add points for a single series.
+ *
+ * @param {string} setname Name of the series.
+ * @param {Array.<Dygraph.PointType>} set_xy Points for the series.
+ */
+DygraphLayout.prototype.addDataset = function(setname, set_xy) {
+  this.points.push(set_xy);
+  this.setNames.push(setname);
+};
+
+/**
+ * Returns the box which the chart should be drawn in. This is the canvas's
+ * box, less space needed for the axis and chart labels.
+ *
+ * @return {{x: number, y: number, w: number, h: number}}
+ */
+DygraphLayout.prototype.getPlotArea = function() {
+  return this.area_;
+};
+
+// Compute the box which the chart should be drawn in. This is the canvas's
+// box, less space needed for axis, chart labels, and other plug-ins.
+// NOTE: This should only be called by Dygraph.predraw_().
+DygraphLayout.prototype.computePlotArea = function() {
+  var area = {
+    // TODO(danvk): per-axis setting.
+    x: 0,
+    y: 0
+  };
+
+  area.w = this.dygraph_.width_ - area.x - this.dygraph_.getOption('rightGap');
+  area.h = this.dygraph_.height_;
+
+  // Let plugins reserve space.
+  var e = {
+    chart_div: this.dygraph_.graphDiv,
+    reserveSpaceLeft: function(px) {
+      var r = {
+        x: area.x,
+        y: area.y,
+        w: px,
+        h: area.h
+      };
+      area.x += px;
+      area.w -= px;
+      return r;
+    },
+    reserveSpaceRight: function(px) {
+      var r = {
+        x: area.x + area.w - px,
+        y: area.y,
+        w: px,
+        h: area.h
+      };
+      area.w -= px;
+      return r;
+    },
+    reserveSpaceTop: function(px) {
+      var r = {
+        x: area.x,
+        y: area.y,
+        w: area.w,
+        h: px
+      };
+      area.y += px;
+      area.h -= px;
+      return r;
+    },
+    reserveSpaceBottom: function(px) {
+      var r = {
+        x: area.x,
+        y: area.y + area.h - px,
+        w: area.w,
+        h: px
+      };
+      area.h -= px;
+      return r;
+    },
+    chartRect: function() {
+      return {x:area.x, y:area.y, w:area.w, h:area.h};
+    }
+  };
+  this.dygraph_.cascadeEvents_('layout', e);
+
+  this.area_ = area;
+};
+
+DygraphLayout.prototype.setAnnotations = function(ann) {
+  // The Dygraph object's annotations aren't parsed. We parse them here and
+  // save a copy. If there is no parser, then the user must be using raw format.
+  this.annotations = [];
+  var parse = this.dygraph_.getOption('xValueParser') || function(x) { return x; };
+  for (var i = 0; i < ann.length; i++) {
+    var a = {};
+    if (!ann[i].xval && ann[i].x === undefined) {
+      console.error("Annotations must have an 'x' property");
+      return;
+    }
+    if (ann[i].icon &&
+        !(ann[i].hasOwnProperty('width') &&
+          ann[i].hasOwnProperty('height'))) {
+      console.error("Must set width and height when setting " +
+                    "annotation.icon property");
+      return;
+    }
+    Dygraph.update(a, ann[i]);
+    if (!a.xval) a.xval = parse(a.x);
+    this.annotations.push(a);
+  }
+};
+
+DygraphLayout.prototype.setXTicks = function(xTicks) {
+  this.xTicks_ = xTicks;
+};
+
+// TODO(danvk): add this to the Dygraph object's API or move it into Layout.
+DygraphLayout.prototype.setYAxes = function (yAxes) {
+  this.yAxes_ = yAxes;
+};
+
+DygraphLayout.prototype.evaluate = function() {
+  this._xAxis = {};
+  this._evaluateLimits();
+  this._evaluateLineCharts();
+  this._evaluateLineTicks();
+  this._evaluateAnnotations();
+};
+
+DygraphLayout.prototype._evaluateLimits = function() {
+  var xlimits = this.dygraph_.xAxisRange();
+  this._xAxis.minval = xlimits[0];
+  this._xAxis.maxval = xlimits[1];
+  var xrange = xlimits[1] - xlimits[0];
+  this._xAxis.scale = (xrange !== 0 ? 1 / xrange : 1.0);
+
+  if (this.dygraph_.getOptionForAxis("logscale", 'x')) {
+    this._xAxis.xlogrange = Dygraph.log10(this._xAxis.maxval) - Dygraph.log10(this._xAxis.minval);
+    this._xAxis.xlogscale = (this._xAxis.xlogrange !== 0 ? 1.0 / this._xAxis.xlogrange : 1.0);
+  }
+  for (var i = 0; i < this.yAxes_.length; i++) {
+    var axis = this.yAxes_[i];
+    axis.minyval = axis.computedValueRange[0];
+    axis.maxyval = axis.computedValueRange[1];
+    axis.yrange = axis.maxyval - axis.minyval;
+    axis.yscale = (axis.yrange !== 0 ? 1.0 / axis.yrange : 1.0);
+
+    if (this.dygraph_.getOption("logscale")) {
+      axis.ylogrange = Dygraph.log10(axis.maxyval) - Dygraph.log10(axis.minyval);
+      axis.ylogscale = (axis.ylogrange !== 0 ? 1.0 / axis.ylogrange : 1.0);
+      if (!isFinite(axis.ylogrange) || isNaN(axis.ylogrange)) {
+        console.error('axis ' + i + ' of graph at ' + axis.g +
+                      ' can\'t be displayed in log scale for range [' +
+                      axis.minyval + ' - ' + axis.maxyval + ']');
+      }
+    }
+  }
+};
+
+DygraphLayout.calcXNormal_ = function(value, xAxis, logscale) {
+  if (logscale) {
+    return ((Dygraph.log10(value) - Dygraph.log10(xAxis.minval)) * xAxis.xlogscale);
+  } else {
+    return (value - xAxis.minval) * xAxis.scale;
+  }
+};
+
+/**
+ * @param {DygraphAxisType} axis
+ * @param {number} value
+ * @param {boolean} logscale
+ * @return {number}
+ */
+DygraphLayout.calcYNormal_ = function(axis, value, logscale) {
+  if (logscale) {
+    var x = 1.0 - ((Dygraph.log10(value) - Dygraph.log10(axis.minyval)) * axis.ylogscale);
+    return isFinite(x) ? x : NaN;  // shim for v8 issue; see pull request 276
+  } else {
+    return 1.0 - ((value - axis.minyval) * axis.yscale);
+  }
+};
+
+DygraphLayout.prototype._evaluateLineCharts = function() {
+  var isStacked = this.dygraph_.getOption("stackedGraph");
+  var isLogscaleForX = this.dygraph_.getOptionForAxis("logscale", 'x');
+
+  for (var setIdx = 0; setIdx < this.points.length; setIdx++) {
+    var points = this.points[setIdx];
+    var setName = this.setNames[setIdx];
+    var connectSeparated = this.dygraph_.getOption('connectSeparatedPoints', setName);
+    var axis = this.dygraph_.axisPropertiesForSeries(setName);
+    // TODO (konigsberg): use optionsForAxis instead.
+    var logscale = this.dygraph_.attributes_.getForSeries("logscale", setName);
+
+    for (var j = 0; j < points.length; j++) {
+      var point = points[j];
+
+      // Range from 0-1 where 0 represents left and 1 represents right.
+      point.x = DygraphLayout.calcXNormal_(point.xval, this._xAxis, isLogscaleForX);
+      // Range from 0-1 where 0 represents top and 1 represents bottom
+      var yval = point.yval;
+      if (isStacked) {
+        point.y_stacked = DygraphLayout.calcYNormal_(
+            axis, point.yval_stacked, logscale);
+        if (yval !== null && !isNaN(yval)) {
+          yval = point.yval_stacked;
+        }
+      }
+      if (yval === null) {
+        yval = NaN;
+        if (!connectSeparated) {
+          point.yval = NaN;
+        }
+      }
+      point.y = DygraphLayout.calcYNormal_(axis, yval, logscale);
+    }
+
+    this.dygraph_.dataHandler_.onLineEvaluated(points, axis, logscale);
+  }
+};
+
+DygraphLayout.prototype._evaluateLineTicks = function() {
+  var i, tick, label, pos;
+  this.xticks = [];
+  for (i = 0; i < this.xTicks_.length; i++) {
+    tick = this.xTicks_[i];
+    label = tick.label;
+    pos = this.dygraph_.toPercentXCoord(tick.v);
+    if ((pos >= 0.0) && (pos < 1.0)) {
+      this.xticks.push([pos, label]);
+    }
+  }
+
+  this.yticks = [];
+  for (i = 0; i < this.yAxes_.length; i++ ) {
+    var axis = this.yAxes_[i];
+    for (var j = 0; j < axis.ticks.length; j++) {
+      tick = axis.ticks[j];
+      label = tick.label;
+      pos = this.dygraph_.toPercentYCoord(tick.v, i);
+      if ((pos > 0.0) && (pos <= 1.0)) {
+        this.yticks.push([i, pos, label]);
+      }
+    }
+  }
+};
+
+DygraphLayout.prototype._evaluateAnnotations = function() {
+  // Add the annotations to the point to which they belong.
+  // Make a map from (setName, xval) to annotation for quick lookups.
+  var i;
+  var annotations = {};
+  for (i = 0; i < this.annotations.length; i++) {
+    var a = this.annotations[i];
+    annotations[a.xval + "," + a.series] = a;
+  }
+
+  this.annotated_points = [];
+
+  // Exit the function early if there are no annotations.
+  if (!this.annotations || !this.annotations.length) {
+    return;
+  }
+
+  // TODO(antrob): loop through annotations not points.
+  for (var setIdx = 0; setIdx < this.points.length; setIdx++) {
+    var points = this.points[setIdx];
+    for (i = 0; i < points.length; i++) {
+      var p = points[i];
+      var k = p.xval + "," + p.name;
+      if (k in annotations) {
+        p.annotation = annotations[k];
+        this.annotated_points.push(p);
+      }
+    }
+  }
+};
+
+/**
+ * Convenience function to remove all the data sets from a graph
+ */
+DygraphLayout.prototype.removeAllDatasets = function() {
+  delete this.points;
+  delete this.setNames;
+  delete this.setPointsLengths;
+  delete this.setPointsOffsets;
+  this.points = [];
+  this.setNames = [];
+  this.setPointsLengths = [];
+  this.setPointsOffsets = [];
+};
+
+return DygraphLayout;
+
+})();
+/**
+ * @license
+ * Copyright 2006 Dan Vanderkam (danvdk@gmail.com)
+ * MIT-licensed (http://opensource.org/licenses/MIT)
+ */
+
+/**
+ * @fileoverview Based on PlotKit.CanvasRenderer, but modified to meet the
+ * needs of dygraphs.
+ *
+ * In particular, support for:
+ * - grid overlays
+ * - error bars
+ * - dygraphs attribute system
+ */
+
+/**
+ * The DygraphCanvasRenderer class does the actual rendering of the chart onto
+ * a canvas. It's based on PlotKit.CanvasRenderer.
+ * @param {Object} element The canvas to attach to
+ * @param {Object} elementContext The 2d context of the canvas (injected so it
+ * can be mocked for testing.)
+ * @param {Layout} layout The DygraphLayout object for this graph.
+ * @constructor
+ */
+
+var DygraphCanvasRenderer = (function() {
+/*global Dygraph:false */
+"use strict";
+
+
+/**
+ * @constructor
+ *
+ * This gets called when there are "new points" to chart. This is generally the
+ * case when the underlying data being charted has changed. It is _not_ called
+ * in the common case that the user has zoomed or is panning the view.
+ *
+ * The chart canvas has already been created by the Dygraph object. The
+ * renderer simply gets a drawing context.
+ *
+ * @param {Dygraph} dygraph The chart to which this renderer belongs.
+ * @param {HTMLCanvasElement} element The &lt;canvas&gt; DOM element on which to draw.
+ * @param {CanvasRenderingContext2D} elementContext The drawing context.
+ * @param {DygraphLayout} layout The chart's DygraphLayout object.
+ *
+ * TODO(danvk): remove the elementContext property.
+ */
+var DygraphCanvasRenderer = function(dygraph, element, elementContext, layout) {
+  this.dygraph_ = dygraph;
+
+  this.layout = layout;
+  this.element = element;
+  this.elementContext = elementContext;
+
+  this.height = dygraph.height_;
+  this.width = dygraph.width_;
+
+  // --- check whether everything is ok before we return
+  // NOTE(konigsberg): isIE is never defined in this object. Bug of some sort.
+  if (!this.isIE && !(Dygraph.isCanvasSupported(this.element)))
+      throw "Canvas is not supported.";
+
+  // internal state
+  this.area = layout.getPlotArea();
+
+  // Set up a clipping area for the canvas (and the interaction canvas).
+  // This ensures that we don't overdraw.
+  if (this.dygraph_.isUsingExcanvas_) {
+    this._createIEClipArea();
+  } else {
+    // on Android 3 and 4, setting a clipping area on a canvas prevents it from
+    // displaying anything.
+    if (!Dygraph.isAndroid()) {
+      var ctx = this.dygraph_.canvas_ctx_;
+      ctx.beginPath();
+      ctx.rect(this.area.x, this.area.y, this.area.w, this.area.h);
+      ctx.clip();
+
+      ctx = this.dygraph_.hidden_ctx_;
+      ctx.beginPath();
+      ctx.rect(this.area.x, this.area.y, this.area.w, this.area.h);
+      ctx.clip();
+    }
+  }
+};
+
+/**
+ * Clears out all chart content and DOM elements.
+ * This is called immediately before render() on every frame, including
+ * during zooms and pans.
+ * @private
+ */
+DygraphCanvasRenderer.prototype.clear = function() {
+  var context;
+  if (this.isIE) {
+    // VML takes a while to start up, so we just poll every this.IEDelay
+    try {
+      if (this.clearDelay) {
+        this.clearDelay.cancel();
+        this.clearDelay = null;
+      }
+      context = this.elementContext;
+    }
+    catch (e) {
+      // TODO(danvk): this is broken, since MochiKit.Async is gone.
+      // this.clearDelay = MochiKit.Async.wait(this.IEDelay);
+      // this.clearDelay.addCallback(bind(this.clear, this));
+      return;
+    }
+  }
+
+  context = this.elementContext;
+  context.clearRect(0, 0, this.width, this.height);
+};
+
+/**
+ * This method is responsible for drawing everything on the chart, including
+ * lines, error bars, fills and axes.
+ * It is called immediately after clear() on every frame, including during pans
+ * and zooms.
+ * @private
+ */
+DygraphCanvasRenderer.prototype.render = function() {
+  // attaches point.canvas{x,y}
+  this._updatePoints();
+
+  // actually draws the chart.
+  this._renderLineChart();
+};
+
+DygraphCanvasRenderer.prototype._createIEClipArea = function() {
+  var className = 'dygraph-clip-div';
+  var graphDiv = this.dygraph_.graphDiv;
+
+  // Remove old clip divs.
+  for (var i = graphDiv.childNodes.length-1; i >= 0; i--) {
+    if (graphDiv.childNodes[i].className == className) {
+      graphDiv.removeChild(graphDiv.childNodes[i]);
+    }
+  }
+
+  // Determine background color to give clip divs.
+  var backgroundColor = document.bgColor;
+  var element = this.dygraph_.graphDiv;
+  while (element != document) {
+    var bgcolor = element.currentStyle.backgroundColor;
+    if (bgcolor && bgcolor != 'transparent') {
+      backgroundColor = bgcolor;
+      break;
+    }
+    element = element.parentNode;
+  }
+
+  function createClipDiv(area) {
+    if (area.w === 0 || area.h === 0) {
+      return;
+    }
+    var elem = document.createElement('div');
+    elem.className = className;
+    elem.style.backgroundColor = backgroundColor;
+    elem.style.position = 'absolute';
+    elem.style.left = area.x + 'px';
+    elem.style.top = area.y + 'px';
+    elem.style.width = area.w + 'px';
+    elem.style.height = area.h + 'px';
+    graphDiv.appendChild(elem);
+  }
+
+  var plotArea = this.area;
+  // Left side
+  createClipDiv({
+    x:0, y:0,
+    w:plotArea.x,
+    h:this.height
+  });
+
+  // Top
+  createClipDiv({
+    x: plotArea.x, y: 0,
+    w: this.width - plotArea.x,
+    h: plotArea.y
+  });
+
+  // Right side
+  createClipDiv({
+    x: plotArea.x + plotArea.w, y: 0,
+    w: this.width - plotArea.x - plotArea.w,
+    h: this.height
+  });
+
+  // Bottom
+  createClipDiv({
+    x: plotArea.x,
+    y: plotArea.y + plotArea.h,
+    w: this.width - plotArea.x,
+    h: this.height - plotArea.h - plotArea.y
+  });
+};
+
+
+/**
+ * Returns a predicate to be used with an iterator, which will
+ * iterate over points appropriately, depending on whether
+ * connectSeparatedPoints is true. When it's false, the predicate will
+ * skip over points with missing yVals.
+ */
+DygraphCanvasRenderer._getIteratorPredicate = function(connectSeparatedPoints) {
+  return connectSeparatedPoints ?
+      DygraphCanvasRenderer._predicateThatSkipsEmptyPoints :
+      null;
+};
+
+DygraphCanvasRenderer._predicateThatSkipsEmptyPoints =
+    function(array, idx) {
+  return array[idx].yval !== null;
+};
+
+/**
+ * Draws a line with the styles passed in and calls all the drawPointCallbacks.
+ * @param {Object} e The dictionary passed to the plotter function.
+ * @private
+ */
+DygraphCanvasRenderer._drawStyledLine = function(e,
+    color, strokeWidth, strokePattern, drawPoints,
+    drawPointCallback, pointSize) {
+  var g = e.dygraph;
+  // TODO(konigsberg): Compute attributes outside this method call.
+  var stepPlot = g.getBooleanOption("stepPlot", e.setName);
+
+  if (!Dygraph.isArrayLike(strokePattern)) {
+    strokePattern = null;
+  }
+
+  var drawGapPoints = g.getBooleanOption('drawGapEdgePoints', e.setName);
+
+  var points = e.points;
+  var setName = e.setName;
+  var iter = Dygraph.createIterator(points, 0, points.length,
+      DygraphCanvasRenderer._getIteratorPredicate(
+          g.getBooleanOption("connectSeparatedPoints", setName)));
+
+  var stroking = strokePattern && (strokePattern.length >= 2);
+
+  var ctx = e.drawingContext;
+  ctx.save();
+  if (stroking) {
+    ctx.installPattern(strokePattern);
+  }
+
+  var pointsOnLine = DygraphCanvasRenderer._drawSeries(
+      e, iter, strokeWidth, pointSize, drawPoints, drawGapPoints, stepPlot, color);
+  DygraphCanvasRenderer._drawPointsOnLine(
+      e, pointsOnLine, drawPointCallback, color, pointSize);
+
+  if (stroking) {
+    ctx.uninstallPattern();
+  }
+
+  ctx.restore();
+};
+
+/**
+ * This does the actual drawing of lines on the canvas, for just one series.
+ * Returns a list of [canvasx, canvasy] pairs for points for which a
+ * drawPointCallback should be fired.  These include isolated points, or all
+ * points if drawPoints=true.
+ * @param {Object} e The dictionary passed to the plotter function.
+ * @private
+ */
+DygraphCanvasRenderer._drawSeries = function(e,
+    iter, strokeWidth, pointSize, drawPoints, drawGapPoints, stepPlot, color) {
+
+  var prevCanvasX = null;
+  var prevCanvasY = null;
+  var nextCanvasY = null;
+  var isIsolated; // true if this point is isolated (no line segments)
+  var point; // the point being processed in the while loop
+  var pointsOnLine = []; // Array of [canvasx, canvasy] pairs.
+  var first = true; // the first cycle through the while loop
+
+  var ctx = e.drawingContext;
+  ctx.beginPath();
+  ctx.strokeStyle = color;
+  ctx.lineWidth = strokeWidth;
+
+  // NOTE: we break the iterator's encapsulation here for about a 25% speedup.
+  var arr = iter.array_;
+  var limit = iter.end_;
+  var predicate = iter.predicate_;
+
+  for (var i = iter.start_; i < limit; i++) {
+    point = arr[i];
+    if (predicate) {
+      while (i < limit && !predicate(arr, i)) {
+        i++;
+      }
+      if (i == limit) break;
+      point = arr[i];
+    }
+
+    // FIXME: The 'canvasy != canvasy' test here catches NaN values but the test
+    // doesn't catch Infinity values. Could change this to
+    // !isFinite(point.canvasy), but I assume it avoids isNaN for performance?
+    if (point.canvasy === null || point.canvasy != point.canvasy) {
+      if (stepPlot && prevCanvasX !== null) {
+        // Draw a horizontal line to the start of the missing data
+        ctx.moveTo(prevCanvasX, prevCanvasY);
+        ctx.lineTo(point.canvasx, prevCanvasY);
+      }
+      prevCanvasX = prevCanvasY = null;
+    } else {
+      isIsolated = false;
+      if (drawGapPoints || !prevCanvasX) {
+        iter.nextIdx_ = i;
+        iter.next();
+        nextCanvasY = iter.hasNext ? iter.peek.canvasy : null;
+
+        var isNextCanvasYNullOrNaN = nextCanvasY === null ||
+            nextCanvasY != nextCanvasY;
+        isIsolated = (!prevCanvasX && isNextCanvasYNullOrNaN);
+        if (drawGapPoints) {
+          // Also consider a point to be "isolated" if it's adjacent to a
+          // null point, excluding the graph edges.
+          if ((!first && !prevCanvasX) ||
+              (iter.hasNext && isNextCanvasYNullOrNaN)) {
+            isIsolated = true;
+          }
+        }
+      }
+
+      if (prevCanvasX !== null) {
+        if (strokeWidth) {
+          if (stepPlot) {
+            ctx.moveTo(prevCanvasX, prevCanvasY);
+            ctx.lineTo(point.canvasx, prevCanvasY);
+          }
+
+          ctx.lineTo(point.canvasx, point.canvasy);
+        }
+      } else {
+        ctx.moveTo(point.canvasx, point.canvasy);
+      }
+      if (drawPoints || isIsolated) {
+        pointsOnLine.push([point.canvasx, point.canvasy, point.idx]);
+      }
+      prevCanvasX = point.canvasx;
+      prevCanvasY = point.canvasy;
+    }
+    first = false;
+  }
+  ctx.stroke();
+  return pointsOnLine;
+};
+
+/**
+ * This fires the drawPointCallback functions, which draw dots on the points by
+ * default. This gets used when the "drawPoints" option is set, or when there
+ * are isolated points.
+ * @param {Object} e The dictionary passed to the plotter function.
+ * @private
+ */
+DygraphCanvasRenderer._drawPointsOnLine = function(
+    e, pointsOnLine, drawPointCallback, color, pointSize) {
+  var ctx = e.drawingContext;
+  for (var idx = 0; idx < pointsOnLine.length; idx++) {
+    var cb = pointsOnLine[idx];
+    ctx.save();
+    drawPointCallback.call(e.dygraph,
+        e.dygraph, e.setName, ctx, cb[0], cb[1], color, pointSize, cb[2]);
+    ctx.restore();
+  }
+};
+
+/**
+ * Attaches canvas coordinates to the points array.
+ * @private
+ */
+DygraphCanvasRenderer.prototype._updatePoints = function() {
+  // Update Points
+  // TODO(danvk): here
+  //
+  // TODO(bhs): this loop is a hot-spot for high-point-count charts. These
+  // transformations can be pushed into the canvas via linear transformation
+  // matrices.
+  // NOTE(danvk): this is trickier than it sounds at first. The transformation
+  // needs to be done before the .moveTo() and .lineTo() calls, but must be
+  // undone before the .stroke() call to ensure that the stroke width is
+  // unaffected.  An alternative is to reduce the stroke width in the
+  // transformed coordinate space, but you can't specify different values for
+  // each dimension (as you can with .scale()). The speedup here is ~12%.
+  var sets = this.layout.points;
+  for (var i = sets.length; i--;) {
+    var points = sets[i];
+    for (var j = points.length; j--;) {
+      var point = points[j];
+      point.canvasx = this.area.w * point.x + this.area.x;
+      point.canvasy = this.area.h * point.y + this.area.y;
+    }
+  }
+};
+
+/**
+ * Add canvas Actually draw the lines chart, including error bars.
+ *
+ * This function can only be called if DygraphLayout's points array has been
+ * updated with canvas{x,y} attributes, i.e. by
+ * DygraphCanvasRenderer._updatePoints.
+ *
+ * @param {string=} opt_seriesName when specified, only that series will
+ *     be drawn. (This is used for expedited redrawing with highlightSeriesOpts)
+ * @param {CanvasRenderingContext2D} opt_ctx when specified, the drawing
+ *     context.  However, lines are typically drawn on the object's
+ *     elementContext.
+ * @private
+ */
+DygraphCanvasRenderer.prototype._renderLineChart = function(opt_seriesName, opt_ctx) {
+  var ctx = opt_ctx || this.elementContext;
+  var i;
+
+  var sets = this.layout.points;
+  var setNames = this.layout.setNames;
+  var setName;
+
+  this.colors = this.dygraph_.colorsMap_;
+
+  // Determine which series have specialized plotters.
+  var plotter_attr = this.dygraph_.getOption("plotter");
+  var plotters = plotter_attr;
+  if (!Dygraph.isArrayLike(plotters)) {
+    plotters = [plotters];
+  }
+
+  var setPlotters = {};  // series name -> plotter fn.
+  for (i = 0; i < setNames.length; i++) {
+    setName = setNames[i];
+    var setPlotter = this.dygraph_.getOption("plotter", setName);
+    if (setPlotter == plotter_attr) continue;  // not specialized.
+
+    setPlotters[setName] = setPlotter;
+  }
+
+  for (i = 0; i < plotters.length; i++) {
+    var plotter = plotters[i];
+    var is_last = (i == plotters.length - 1);
+
+    for (var j = 0; j < sets.length; j++) {
+      setName = setNames[j];
+      if (opt_seriesName && setName != opt_seriesName) continue;
+
+      var points = sets[j];
+
+      // Only throw in the specialized plotters on the last iteration.
+      var p = plotter;
+      if (setName in setPlotters) {
+        if (is_last) {
+          p = setPlotters[setName];
+        } else {
+          // Don't use the standard plotters in this case.
+          continue;
+        }
+      }
+
+      var color = this.colors[setName];
+      var strokeWidth = this.dygraph_.getOption("strokeWidth", setName);
+
+      ctx.save();
+      ctx.strokeStyle = color;
+      ctx.lineWidth = strokeWidth;
+      p({
+        points: points,
+        setName: setName,
+        drawingContext: ctx,
+        color: color,
+        strokeWidth: strokeWidth,
+        dygraph: this.dygraph_,
+        axis: this.dygraph_.axisPropertiesForSeries(setName),
+        plotArea: this.area,
+        seriesIndex: j,
+        seriesCount: sets.length,
+        singleSeriesName: opt_seriesName,
+        allSeriesPoints: sets
+      });
+      ctx.restore();
+    }
+  }
+};
+
+/**
+ * Standard plotters. These may be used by clients via Dygraph.Plotters.
+ * See comments there for more details.
+ */
+DygraphCanvasRenderer._Plotters = {
+  linePlotter: function(e) {
+    DygraphCanvasRenderer._linePlotter(e);
+  },
+
+  fillPlotter: function(e) {
+    DygraphCanvasRenderer._fillPlotter(e);
+  },
+
+  errorPlotter: function(e) {
+    DygraphCanvasRenderer._errorPlotter(e);
+  }
+};
+
+/**
+ * Plotter which draws the central lines for a series.
+ * @private
+ */
+DygraphCanvasRenderer._linePlotter = function(e) {
+  var g = e.dygraph;
+  var setName = e.setName;
+  var strokeWidth = e.strokeWidth;
+
+  // TODO(danvk): Check if there's any performance impact of just calling
+  // getOption() inside of _drawStyledLine. Passing in so many parameters makes
+  // this code a bit nasty.
+  var borderWidth = g.getNumericOption("strokeBorderWidth", setName);
+  var drawPointCallback = g.getOption("drawPointCallback", setName) ||
+      Dygraph.Circles.DEFAULT;
+  var strokePattern = g.getOption("strokePattern", setName);
+  var drawPoints = g.getBooleanOption("drawPoints", setName);
+  var pointSize = g.getNumericOption("pointSize", setName);
+
+  if (borderWidth && strokeWidth) {
+    DygraphCanvasRenderer._drawStyledLine(e,
+        g.getOption("strokeBorderColor", setName),
+        strokeWidth + 2 * borderWidth,
+        strokePattern,
+        drawPoints,
+        drawPointCallback,
+        pointSize
+        );
+  }
+
+  DygraphCanvasRenderer._drawStyledLine(e,
+      e.color,
+      strokeWidth,
+      strokePattern,
+      drawPoints,
+      drawPointCallback,
+      pointSize
+  );
+};
+
+/**
+ * Draws the shaded error bars/confidence intervals for each series.
+ * This happens before the center lines are drawn, since the center lines
+ * need to be drawn on top of the error bars for all series.
+ * @private
+ */
+DygraphCanvasRenderer._errorPlotter = function(e) {
+  var g = e.dygraph;
+  var setName = e.setName;
+  var errorBars = g.getBooleanOption("errorBars") ||
+      g.getBooleanOption("customBars");
+  if (!errorBars) return;
+
+  var fillGraph = g.getBooleanOption("fillGraph", setName);
+  if (fillGraph) {
+    console.warn("Can't use fillGraph option with error bars");
+  }
+
+  var ctx = e.drawingContext;
+  var color = e.color;
+  var fillAlpha = g.getNumericOption('fillAlpha', setName);
+  var stepPlot = g.getBooleanOption("stepPlot", setName);
+  var points = e.points;
+
+  var iter = Dygraph.createIterator(points, 0, points.length,
+      DygraphCanvasRenderer._getIteratorPredicate(
+          g.getBooleanOption("connectSeparatedPoints", setName)));
+
+  var newYs;
+
+  // setup graphics context
+  var prevX = NaN;
+  var prevY = NaN;
+  var prevYs = [-1, -1];
+  // should be same color as the lines but only 15% opaque.
+  var rgb = Dygraph.toRGB_(color);
+  var err_color =
+      'rgba(' + rgb.r + ',' + rgb.g + ',' + rgb.b + ',' + fillAlpha + ')';
+  ctx.fillStyle = err_color;
+  ctx.beginPath();
+
+  var isNullUndefinedOrNaN = function(x) {
+    return (x === null ||
+            x === undefined ||
+            isNaN(x));
+  };
+
+  while (iter.hasNext) {
+    var point = iter.next();
+    if ((!stepPlot && isNullUndefinedOrNaN(point.y)) ||
+        (stepPlot && !isNaN(prevY) && isNullUndefinedOrNaN(prevY))) {
+      prevX = NaN;
+      continue;
+    }
+
+    newYs = [ point.y_bottom, point.y_top ];
+    if (stepPlot) {
+      prevY = point.y;
+    }
+
+    // The documentation specifically disallows nulls inside the point arrays,
+    // but in case it happens we should do something sensible.
+    if (isNaN(newYs[0])) newYs[0] = point.y;
+    if (isNaN(newYs[1])) newYs[1] = point.y;
+
+    newYs[0] = e.plotArea.h * newYs[0] + e.plotArea.y;
+    newYs[1] = e.plotArea.h * newYs[1] + e.plotArea.y;
+    if (!isNaN(prevX)) {
+      if (stepPlot) {
+        ctx.moveTo(prevX, prevYs[0]);
+        ctx.lineTo(point.canvasx, prevYs[0]);
+        ctx.lineTo(point.canvasx, prevYs[1]);
+      } else {
+        ctx.moveTo(prevX, prevYs[0]);
+        ctx.lineTo(point.canvasx, newYs[0]);
+        ctx.lineTo(point.canvasx, newYs[1]);
+      }
+      ctx.lineTo(prevX, prevYs[1]);
+      ctx.closePath();
+    }
+    prevYs = newYs;
+    prevX = point.canvasx;
+  }
+  ctx.fill();
+};
+
+
+/**
+ * Proxy for CanvasRenderingContext2D which drops moveTo/lineTo calls which are
+ * superfluous. It accumulates all movements which haven't changed the x-value
+ * and only applies the two with the most extreme y-values.
+ * 
+ * Calls to lineTo/moveTo must have non-decreasing x-values.
+ */
+DygraphCanvasRenderer._fastCanvasProxy = function(context) {
+  var pendingActions = [];  // array of [type, x, y] tuples
+  var lastRoundedX = null;
+
+  var LINE_TO = 1,
+      MOVE_TO = 2;
+
+  var actionCount = 0;  // number of moveTos and lineTos passed to context.
+
+  // Drop superfluous motions
+  // Assumes all pendingActions have the same (rounded) x-value.
+  var compressActions = function(opt_losslessOnly) {
+    if (pendingActions.length <= 1) return;
+
+    // Lossless compression: drop inconsequential moveTos.
+    for (var i = pendingActions.length - 1; i > 0; i--) {
+      var action = pendingActions[i];
+      if (action[0] == MOVE_TO) {
+        var prevAction = pendingActions[i - 1];
+        if (prevAction[1] == action[1] && prevAction[2] == action[2]) {
+          pendingActions.splice(i, 1);
+        }
+      }
+    }
+
+    // Lossless compression: ... drop consecutive moveTos ...
+    for (var i = 0; i < pendingActions.length - 1; /* incremented internally */) {
+      var action = pendingActions[i];
+      if (action[0] == MOVE_TO && pendingActions[i + 1][0] == MOVE_TO) {
+        pendingActions.splice(i, 1);
+      } else {
+        i++;
+      }
+    }
+
+    // Lossy compression: ... drop all but the extreme y-values ...
+    if (pendingActions.length > 2 && !opt_losslessOnly) {
+      // keep an initial moveTo, but drop all others.
+      var startIdx = 0;
+      if (pendingActions[0][0] == MOVE_TO) startIdx++;
+      var minIdx = null, maxIdx = null;
+      for (var i = startIdx; i < pendingActions.length; i++) {
+        var action = pendingActions[i];
+        if (action[0] != LINE_TO) continue;
+        if (minIdx === null && maxIdx === null) {
+          minIdx = i;
+          maxIdx = i;
+        } else {
+          var y = action[2];
+          if (y < pendingActions[minIdx][2]) {
+            minIdx = i;
+          } else if (y > pendingActions[maxIdx][2]) {
+            maxIdx = i;
+          }
+        }
+      }
+      var minAction = pendingActions[minIdx],
+          maxAction = pendingActions[maxIdx];
+      pendingActions.splice(startIdx, pendingActions.length - startIdx);
+      if (minIdx < maxIdx) {
+        pendingActions.push(minAction);
+        pendingActions.push(maxAction);
+      } else if (minIdx > maxIdx) {
+        pendingActions.push(maxAction);
+        pendingActions.push(minAction);
+      } else {
+        pendingActions.push(minAction);
+      }
+    }
+  };
+
+  var flushActions = function(opt_noLossyCompression) {
+    compressActions(opt_noLossyCompression);
+    for (var i = 0, len = pendingActions.length; i < len; i++) {
+      var action = pendingActions[i];
+      if (action[0] == LINE_TO) {
+        context.lineTo(action[1], action[2]);
+      } else if (action[0] == MOVE_TO) {
+        context.moveTo(action[1], action[2]);
+      }
+    }
+    actionCount += pendingActions.length;
+    pendingActions = [];
+  };
+
+  var addAction = function(action, x, y) {
+    var rx = Math.round(x);
+    if (lastRoundedX === null || rx != lastRoundedX) {
+      flushActions();
+      lastRoundedX = rx;
+    }
+    pendingActions.push([action, x, y]);
+  };
+
+  return {
+    moveTo: function(x, y) {
+      addAction(MOVE_TO, x, y);
+    },
+    lineTo: function(x, y) {
+      addAction(LINE_TO, x, y);
+    },
+
+    // for major operations like stroke/fill, we skip compression to ensure
+    // that there are no artifacts at the right edge.
+    stroke:    function() { flushActions(true); context.stroke(); },
+    fill:      function() { flushActions(true); context.fill(); },
+    beginPath: function() { flushActions(true); context.beginPath(); },
+    closePath: function() { flushActions(true); context.closePath(); },
+
+    _count: function() { return actionCount; }
+  };
+};
+
+/**
+ * Draws the shaded regions when "fillGraph" is set. Not to be confused with
+ * error bars.
+ *
+ * For stacked charts, it's more convenient to handle all the series
+ * simultaneously. So this plotter plots all the points on the first series
+ * it's asked to draw, then ignores all the other series.
+ *
+ * @private
+ */
+DygraphCanvasRenderer._fillPlotter = function(e) {
+  // Skip if we're drawing a single series for interactive highlight overlay.
+  if (e.singleSeriesName) return;
+
+  // We'll handle all the series at once, not one-by-one.
+  if (e.seriesIndex !== 0) return;
+
+  var g = e.dygraph;
+  var setNames = g.getLabels().slice(1);  // remove x-axis
+
+  // getLabels() includes names for invisible series, which are not included in
+  // allSeriesPoints. We remove those to make the two match.
+  // TODO(danvk): provide a simpler way to get this information.
+  for (var i = setNames.length; i >= 0; i--) {
+    if (!g.visibility()[i]) setNames.splice(i, 1);
+  }
+
+  var anySeriesFilled = (function() {
+    for (var i = 0; i < setNames.length; i++) {
+      if (g.getBooleanOption("fillGraph", setNames[i])) return true;
+    }
+    return false;
+  })();
+
+  if (!anySeriesFilled) return;
+
+  var area = e.plotArea;
+  var sets = e.allSeriesPoints;
+  var setCount = sets.length;
+
+  var fillAlpha = g.getNumericOption('fillAlpha');
+  var stackedGraph = g.getBooleanOption("stackedGraph");
+  var colors = g.getColors();
+
+  // For stacked graphs, track the baseline for filling.
+  //
+  // The filled areas below graph lines are trapezoids with two
+  // vertical edges. The top edge is the line segment being drawn, and
+  // the baseline is the bottom edge. Each baseline corresponds to the
+  // top line segment from the previous stacked line. In the case of
+  // step plots, the trapezoids are rectangles.
+  var baseline = {};
+  var currBaseline;
+  var prevStepPlot;  // for different line drawing modes (line/step) per series
+
+  // Helper function to trace a line back along the baseline.
+  var traceBackPath = function(ctx, baselineX, baselineY, pathBack) {
+    ctx.lineTo(baselineX, baselineY);
+    if (stackedGraph) {
+      for (var i = pathBack.length - 1; i >= 0; i--) {
+        var pt = pathBack[i];
+        ctx.lineTo(pt[0], pt[1]);
+      }
+    }
+  };
+
+  // process sets in reverse order (needed for stacked graphs)
+  for (var setIdx = setCount - 1; setIdx >= 0; setIdx--) {
+    var ctx = e.drawingContext;
+    var setName = setNames[setIdx];
+    if (!g.getBooleanOption('fillGraph', setName)) continue;
+
+    var stepPlot = g.getBooleanOption('stepPlot', setName);
+    var color = colors[setIdx];
+    var axis = g.axisPropertiesForSeries(setName);
+    var axisY = 1.0 + axis.minyval * axis.yscale;
+    if (axisY < 0.0) axisY = 0.0;
+    else if (axisY > 1.0) axisY = 1.0;
+    axisY = area.h * axisY + area.y;
+
+    var points = sets[setIdx];
+    var iter = Dygraph.createIterator(points, 0, points.length,
+        DygraphCanvasRenderer._getIteratorPredicate(
+            g.getBooleanOption("connectSeparatedPoints", setName)));
+
+    // setup graphics context
+    var prevX = NaN;
+    var prevYs = [-1, -1];
+    var newYs;
+    // should be same color as the lines but only 15% opaque.
+    var rgb = Dygraph.toRGB_(color);
+    var err_color =
+        'rgba(' + rgb.r + ',' + rgb.g + ',' + rgb.b + ',' + fillAlpha + ')';
+    ctx.fillStyle = err_color;
+    ctx.beginPath();
+    var last_x, is_first = true;
+
+    // If the point density is high enough, dropping segments on their way to
+    // the canvas justifies the overhead of doing so.
+    if (points.length > 2 * g.width_) {
+      ctx = DygraphCanvasRenderer._fastCanvasProxy(ctx);
+    }
+
+    // For filled charts, we draw points from left to right, then back along
+    // the x-axis to complete a shape for filling.
+    // For stacked plots, this "back path" is a more complex shape. This array
+    // stores the [x, y] values needed to trace that shape.
+    var pathBack = [];
+
+    // TODO(danvk): there are a lot of options at play in this loop.
+    //     The logic would be much clearer if some (e.g. stackGraph and
+    //     stepPlot) were split off into separate sub-plotters.
+    var point;
+    while (iter.hasNext) {
+      point = iter.next();
+      if (!Dygraph.isOK(point.y) && !stepPlot) {
+        traceBackPath(ctx, prevX, prevYs[1], pathBack);
+        pathBack = [];
+        prevX = NaN;
+        if (point.y_stacked !== null && !isNaN(point.y_stacked)) {
+          baseline[point.canvasx] = area.h * point.y_stacked + area.y;
+        }
+        continue;
+      }
+      if (stackedGraph) {
+        if (!is_first && last_x == point.xval) {
+          continue;
+        } else {
+          is_first = false;
+          last_x = point.xval;
+        }
+
+        currBaseline = baseline[point.canvasx];
+        var lastY;
+        if (currBaseline === undefined) {
+          lastY = axisY;
+        } else {
+          if(prevStepPlot) {
+            lastY = currBaseline[0];
+          } else {
+            lastY = currBaseline;
+          }
+        }
+        newYs = [ point.canvasy, lastY ];
+
+        if (stepPlot) {
+          // Step plots must keep track of the top and bottom of
+          // the baseline at each point.
+          if (prevYs[0] === -1) {
+            baseline[point.canvasx] = [ point.canvasy, axisY ];
+          } else {
+            baseline[point.canvasx] = [ point.canvasy, prevYs[0] ];
+          }
+        } else {
+          baseline[point.canvasx] = point.canvasy;
+        }
+
+      } else {
+        if (isNaN(point.canvasy) && stepPlot) {
+          newYs = [ area.y + area.h, axisY ];
+        } else {
+          newYs = [ point.canvasy, axisY ];
+        }
+      }
+      if (!isNaN(prevX)) {
+        // Move to top fill point
+        if (stepPlot) {
+          ctx.lineTo(point.canvasx, prevYs[0]);
+          ctx.lineTo(point.canvasx, newYs[0]);
+        } else {
+          ctx.lineTo(point.canvasx, newYs[0]);
+        }
+
+        // Record the baseline for the reverse path.
+        if (stackedGraph) {
+          pathBack.push([prevX, prevYs[1]]);
+          if (prevStepPlot && currBaseline) {
+            // Draw to the bottom of the baseline
+            pathBack.push([point.canvasx, currBaseline[1]]);
+          } else {
+            pathBack.push([point.canvasx, newYs[1]]);
+          }
+        }
+      } else {
+        ctx.moveTo(point.canvasx, newYs[1]);
+        ctx.lineTo(point.canvasx, newYs[0]);
+      }
+      prevYs = newYs;
+      prevX = point.canvasx;
+    }
+    prevStepPlot = stepPlot;
+    if (newYs && point) {
+      traceBackPath(ctx, point.canvasx, newYs[1], pathBack);
+      pathBack = [];
+    }
+    ctx.fill();
+  }
+};
+
+return DygraphCanvasRenderer;
+
+})();
+/**
+ * @license
+ * Copyright 2006 Dan Vanderkam (danvdk@gmail.com)
+ * MIT-licensed (http://opensource.org/licenses/MIT)
+ */
+
+/**
+ * @fileoverview Creates an interactive, zoomable graph based on a CSV file or
+ * string. Dygraph can handle multiple series with or without error bars. The
+ * date/value ranges will be automatically set. Dygraph uses the
+ * &lt;canvas&gt; tag, so it only works in FF1.5+.
+ * @author danvdk@gmail.com (Dan Vanderkam)
+
+  Usage:
+   <div id="graphdiv" style="width:800px; height:500px;"></div>
+   <script type="text/javascript">
+     new Dygraph(document.getElementById("graphdiv"),
+                 "datafile.csv",  // CSV file with headers
+                 { }); // options
+   </script>
+
+ The CSV file is of the form
+
+   Date,SeriesA,SeriesB,SeriesC
+   YYYYMMDD,A1,B1,C1
+   YYYYMMDD,A2,B2,C2
+
+ If the 'errorBars' option is set in the constructor, the input should be of
+ the form
+   Date,SeriesA,SeriesB,...
+   YYYYMMDD,A1,sigmaA1,B1,sigmaB1,...
+   YYYYMMDD,A2,sigmaA2,B2,sigmaB2,...
+
+ If the 'fractions' option is set, the input should be of the form:
+
+   Date,SeriesA,SeriesB,...
+   YYYYMMDD,A1/B1,A2/B2,...
+   YYYYMMDD,A1/B1,A2/B2,...
+
+ And error bars will be calculated automatically using a binomial distribution.
+
+ For further documentation and examples, see http://dygraphs.com/
+
+ */
+
+// For "production" code, this gets set to false by uglifyjs.
+if (typeof(DEBUG) === 'undefined') DEBUG=true;
+
+var Dygraph = (function() {
+/*global DygraphLayout:false, DygraphCanvasRenderer:false, DygraphOptions:false, G_vmlCanvasManager:false,ActiveXObject:false */
+"use strict";
+
+/**
+ * Creates an interactive, zoomable chart.
+ *
+ * @constructor
+ * @param {div | String} div A div or the id of a div into which to construct
+ * the chart.
+ * @param {String | Function} file A file containing CSV data or a function
+ * that returns this data. The most basic expected format for each line is
+ * "YYYY/MM/DD,val1,val2,...". For more information, see
+ * http://dygraphs.com/data.html.
+ * @param {Object} attrs Various other attributes, e.g. errorBars determines
+ * whether the input data contains error ranges. For a complete list of
+ * options, see http://dygraphs.com/options.html.
+ */
+var Dygraph = function(div, data, opts, opt_fourth_param) {
+  // These have to go above the "Hack for IE" in __init__ since .ready() can be
+  // called as soon as the constructor returns. Once support for OldIE is
+  // dropped, this can go down with the rest of the initializers.
+  this.is_initial_draw_ = true;
+  this.readyFns_ = [];
+
+  if (opt_fourth_param !== undefined) {
+    // Old versions of dygraphs took in the series labels as a constructor
+    // parameter. This doesn't make sense anymore, but it's easy to continue
+    // to support this usage.
+    console.warn("Using deprecated four-argument dygraph constructor");
+    this.__old_init__(div, data, opts, opt_fourth_param);
+  } else {
+    this.__init__(div, data, opts);
+  }
+};
+
+Dygraph.NAME = "Dygraph";
+Dygraph.VERSION = "1.1.0";
+Dygraph.__repr__ = function() {
+  return "[" + Dygraph.NAME + " " + Dygraph.VERSION + "]";
+};
+
+/**
+ * Returns information about the Dygraph class.
+ */
+Dygraph.toString = function() {
+  return Dygraph.__repr__();
+};
+
+// Various default values
+Dygraph.DEFAULT_ROLL_PERIOD = 1;
+Dygraph.DEFAULT_WIDTH = 480;
+Dygraph.DEFAULT_HEIGHT = 320;
+
+// For max 60 Hz. animation:
+Dygraph.ANIMATION_STEPS = 12;
+Dygraph.ANIMATION_DURATION = 200;
+
+// Label constants for the labelsKMB and labelsKMG2 options.
+// (i.e. '100000' -> '100K')
+Dygraph.KMB_LABELS = [ 'K', 'M', 'B', 'T', 'Q' ];
+Dygraph.KMG2_BIG_LABELS = [ 'k', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y' ];
+Dygraph.KMG2_SMALL_LABELS = [ 'm', 'u', 'n', 'p', 'f', 'a', 'z', 'y' ];
+
+// These are defined before DEFAULT_ATTRS so that it can refer to them.
+/**
+ * @private
+ * Return a string version of a number. This respects the digitsAfterDecimal
+ * and maxNumberWidth options.
+ * @param {number} x The number to be formatted
+ * @param {Dygraph} opts An options view
+ */
+Dygraph.numberValueFormatter = function(x, opts) {
+  var sigFigs = opts('sigFigs');
+
+  if (sigFigs !== null) {
+    // User has opted for a fixed number of significant figures.
+    return Dygraph.floatFormat(x, sigFigs);
+  }
+
+  var digits = opts('digitsAfterDecimal');
+  var maxNumberWidth = opts('maxNumberWidth');
+
+  var kmb = opts('labelsKMB');
+  var kmg2 = opts('labelsKMG2');
+
+  var label;
+
+  // switch to scientific notation if we underflow or overflow fixed display.
+  if (x !== 0.0 &&
+      (Math.abs(x) >= Math.pow(10, maxNumberWidth) ||
+       Math.abs(x) < Math.pow(10, -digits))) {
+    label = x.toExponential(digits);
+  } else {
+    label = '' + Dygraph.round_(x, digits);
+  }
+
+  if (kmb || kmg2) {
+    var k;
+    var k_labels = [];
+    var m_labels = [];
+    if (kmb) {
+      k = 1000;
+      k_labels = Dygraph.KMB_LABELS;
+    }
+    if (kmg2) {
+      if (kmb) console.warn("Setting both labelsKMB and labelsKMG2. Pick one!");
+      k = 1024;
+      k_labels = Dygraph.KMG2_BIG_LABELS;
+      m_labels = Dygraph.KMG2_SMALL_LABELS;
+    }
+
+    var absx = Math.abs(x);
+    var n = Dygraph.pow(k, k_labels.length);
+    for (var j = k_labels.length - 1; j >= 0; j--, n /= k) {
+      if (absx >= n) {
+        label = Dygraph.round_(x / n, digits) + k_labels[j];
+        break;
+      }
+    }
+    if (kmg2) {
+      // TODO(danvk): clean up this logic. Why so different than kmb?
+      var x_parts = String(x.toExponential()).split('e-');
+      if (x_parts.length === 2 && x_parts[1] >= 3 && x_parts[1] <= 24) {
+        if (x_parts[1] % 3 > 0) {
+          label = Dygraph.round_(x_parts[0] /
+              Dygraph.pow(10, (x_parts[1] % 3)),
+              digits);
+        } else {
+          label = Number(x_parts[0]).toFixed(2);
+        }
+        label += m_labels[Math.floor(x_parts[1] / 3) - 1];
+      }
+    }
+  }
+
+  return label;
+};
+
+/**
+ * variant for use as an axisLabelFormatter.
+ * @private
+ */
+Dygraph.numberAxisLabelFormatter = function(x, granularity, opts) {
+  return Dygraph.numberValueFormatter(x, opts);
+};
+
+/**
+ * @type {!Array.<string>}
+ * @private
+ * @constant
+ */
+Dygraph.SHORT_MONTH_NAMES_ = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
+
+
+/**
+ * Convert a JS date to a string appropriate to display on an axis that
+ * is displaying values at the stated granularity. This respects the 
+ * labelsUTC option.
+ * @param {Date} date The date to format
+ * @param {number} granularity One of the Dygraph granularity constants
+ * @param {Dygraph} opts An options view
+ * @return {string} The date formatted as local time
+ * @private
+ */
+Dygraph.dateAxisLabelFormatter = function(date, granularity, opts) {
+  var utc = opts('labelsUTC');
+  var accessors = utc ? Dygraph.DateAccessorsUTC : Dygraph.DateAccessorsLocal;
+
+  var year = accessors.getFullYear(date),
+      month = accessors.getMonth(date),
+      day = accessors.getDate(date),
+      hours = accessors.getHours(date),
+      mins = accessors.getMinutes(date),
+      secs = accessors.getSeconds(date),
+      millis = accessors.getSeconds(date);
+
+  if (granularity >= Dygraph.DECADAL) {
+    return '' + year;
+  } else if (granularity >= Dygraph.MONTHLY) {
+    return Dygraph.SHORT_MONTH_NAMES_[month] + '&#160;' + year;
+  } else {
+    var frac = hours * 3600 + mins * 60 + secs + 1e-3 * millis;
+    if (frac === 0 || granularity >= Dygraph.DAILY) {
+      // e.g. '21 Jan' (%d%b)
+      return Dygraph.zeropad(day) + '&#160;' + Dygraph.SHORT_MONTH_NAMES_[month];
+    } else {
+      return Dygraph.hmsString_(hours, mins, secs);
+    }
+  }
+};
+// alias in case anyone is referencing the old method.
+Dygraph.dateAxisFormatter = Dygraph.dateAxisLabelFormatter;
+
+/**
+ * Return a string version of a JS date for a value label. This respects the 
+ * labelsUTC option.
+ * @param {Date} date The date to be formatted
+ * @param {Dygraph} opts An options view
+ * @private
+ */
+Dygraph.dateValueFormatter = function(d, opts) {
+  return Dygraph.dateString_(d, opts('labelsUTC'));
+};
+
+/**
+ * Standard plotters. These may be used by clients.
+ * Available plotters are:
+ * - Dygraph.Plotters.linePlotter: draws central lines (most common)
+ * - Dygraph.Plotters.errorPlotter: draws error bars
+ * - Dygraph.Plotters.fillPlotter: draws fills under lines (used with fillGraph)
+ *
+ * By default, the plotter is [fillPlotter, errorPlotter, linePlotter].
+ * This causes all the lines to be drawn over all the fills/error bars.
+ */
+Dygraph.Plotters = DygraphCanvasRenderer._Plotters;
+
+
+// Default attribute values.
+Dygraph.DEFAULT_ATTRS = {
+  highlightCircleSize: 3,
+  highlightSeriesOpts: null,
+  highlightSeriesBackgroundAlpha: 0.5,
+
+  labelsDivWidth: 250,
+  labelsDivStyles: {
+    // TODO(danvk): move defaults from createStatusMessage_ here.
+  },
+  labelsSeparateLines: false,
+  labelsShowZeroValues: true,
+  labelsKMB: false,
+  labelsKMG2: false,
+  showLabelsOnHighlight: true,
+
+  digitsAfterDecimal: 2,
+  maxNumberWidth: 6,
+  sigFigs: null,
+
+  strokeWidth: 1.0,
+  strokeBorderWidth: 0,
+  strokeBorderColor: "white",
+
+  axisTickSize: 3,
+  axisLabelFontSize: 14,
+  rightGap: 5,
+
+  showRoller: false,
+  xValueParser: Dygraph.dateParser,
+
+  delimiter: ',',
+
+  sigma: 2.0,
+  errorBars: false,
+  fractions: false,
+  wilsonInterval: true,  // only relevant if fractions is true
+  customBars: false,
+  fillGraph: false,
+  fillAlpha: 0.15,
+  connectSeparatedPoints: false,
+
+  stackedGraph: false,
+  stackedGraphNaNFill: 'all',
+  hideOverlayOnMouseOut: true,
+
+  legend: 'onmouseover',
+  stepPlot: false,
+  avoidMinZero: false,
+  xRangePad: 0,
+  yRangePad: null,
+  drawAxesAtZero: false,
+
+  // Sizes of the various chart labels.
+  titleHeight: 28,
+  xLabelHeight: 18,
+  yLabelWidth: 18,
+
+  drawXAxis: true,
+  drawYAxis: true,
+  axisLineColor: "black",
+  axisLineWidth: 0.3,
+  gridLineWidth: 0.3,
+  axisLabelColor: "black",
+  axisLabelWidth: 50,
+  drawYGrid: true,
+  drawXGrid: true,
+  gridLineColor: "rgb(128,128,128)",
+
+  interactionModel: null,  // will be set to Dygraph.Interaction.defaultModel
+  animatedZooms: false,  // (for now)
+
+  // Range selector options
+  showRangeSelector: false,
+  rangeSelectorHeight: 40,
+  rangeSelectorPlotStrokeColor: "#808FAB",
+  rangeSelectorPlotFillColor: "#A7B1C4",
+  showInRangeSelector: null,
+
+  // The ordering here ensures that central lines always appear above any
+  // fill bars/error bars.
+  plotter: [
+    Dygraph.Plotters.fillPlotter,
+    Dygraph.Plotters.errorPlotter,
+    Dygraph.Plotters.linePlotter
+  ],
+
+  plugins: [ ],
+
+  // per-axis options
+  axes: {
+    x: {
+      pixelsPerLabel: 70,
+      axisLabelWidth: 60,
+      axisLabelFormatter: Dygraph.dateAxisLabelFormatter,
+      valueFormatter: Dygraph.dateValueFormatter,
+      drawGrid: true,
+      drawAxis: true,
+      independentTicks: true,
+      ticker: null  // will be set in dygraph-tickers.js
+    },
+    y: {
+      axisLabelWidth: 50,
+      pixelsPerLabel: 30,
+      valueFormatter: Dygraph.numberValueFormatter,
+      axisLabelFormatter: Dygraph.numberAxisLabelFormatter,
+      drawGrid: true,
+      drawAxis: true,
+      independentTicks: true,
+      ticker: null  // will be set in dygraph-tickers.js
+    },
+    y2: {
+      axisLabelWidth: 50,
+      pixelsPerLabel: 30,
+      valueFormatter: Dygraph.numberValueFormatter,
+      axisLabelFormatter: Dygraph.numberAxisLabelFormatter,
+      drawAxis: true,  // only applies when there are two axes of data.
+      drawGrid: false,
+      independentTicks: false,
+      ticker: null  // will be set in dygraph-tickers.js
+    }
+  }
+};
+
+// Directions for panning and zooming. Use bit operations when combined
+// values are possible.
+Dygraph.HORIZONTAL = 1;
+Dygraph.VERTICAL = 2;
+
+// Installed plugins, in order of precedence (most-general to most-specific).
+// Plugins are installed after they are defined, in plugins/install.js.
+Dygraph.PLUGINS = [
+];
+
+// Used for initializing annotation CSS rules only once.
+Dygraph.addedAnnotationCSS = false;
+
+Dygraph.prototype.__old_init__ = function(div, file, labels, attrs) {
+  // Labels is no longer a constructor parameter, since it's typically set
+  // directly from the data source. It also conains a name for the x-axis,
+  // which the previous constructor form did not.
+  if (labels !== null) {
+    var new_labels = ["Date"];
+    for (var i = 0; i < labels.length; i++) new_labels.push(labels[i]);
+    Dygraph.update(attrs, { 'labels': new_labels });
+  }
+  this.__init__(div, file, attrs);
+};
+
+/**
+ * Initializes the Dygraph. This creates a new DIV and constructs the PlotKit
+ * and context &lt;canvas&gt; inside of it. See the constructor for details.
+ * on the parameters.
+ * @param {Element} div the Element to render the graph into.
+ * @param {string | Function} file Source data
+ * @param {Object} attrs Miscellaneous other options
+ * @private
+ */
+Dygraph.prototype.__init__ = function(div, file, attrs) {
+  // Hack for IE: if we're using excanvas and the document hasn't finished
+  // loading yet (and hence may not have initialized whatever it needs to
+  // initialize), then keep calling this routine periodically until it has.
+  if (/MSIE/.test(navigator.userAgent) && !window.opera &&
+      typeof(G_vmlCanvasManager) != 'undefined' &&
+      document.readyState != 'complete') {
+    var self = this;
+    setTimeout(function() { self.__init__(div, file, attrs); }, 100);
+    return;
+  }
+
+  // Support two-argument constructor
+  if (attrs === null || attrs === undefined) { attrs = {}; }
+
+  attrs = Dygraph.mapLegacyOptions_(attrs);
+
+  if (typeof(div) == 'string') {
+    div = document.getElementById(div);
+  }
+
+  if (!div) {
+    console.error("Constructing dygraph with a non-existent div!");
+    return;
+  }
+
+  this.isUsingExcanvas_ = typeof(G_vmlCanvasManager) != 'undefined';
+
+  // Copy the important bits into the object
+  // TODO(danvk): most of these should just stay in the attrs_ dictionary.
+  this.maindiv_ = div;
+  this.file_ = file;
+  this.rollPeriod_ = attrs.rollPeriod || Dygraph.DEFAULT_ROLL_PERIOD;
+  this.previousVerticalX_ = -1;
+  this.fractions_ = attrs.fractions || false;
+  this.dateWindow_ = attrs.dateWindow || null;
+
+  this.annotations_ = [];
+
+  // Zoomed indicators - These indicate when the graph has been zoomed and on what axis.
+  this.zoomed_x_ = false;
+  this.zoomed_y_ = false;
+
+  // Clear the div. This ensure that, if multiple dygraphs are passed the same
+  // div, then only one will be drawn.
+  div.innerHTML = "";
+
+  // For historical reasons, the 'width' and 'height' options trump all CSS
+  // rules _except_ for an explicit 'width' or 'height' on the div.
+  // As an added convenience, if the div has zero height (like <div></div> does
+  // without any styles), then we use a default height/width.
+  if (div.style.width === '' && attrs.width) {
+    div.style.width = attrs.width + "px";
+  }
+  if (div.style.height === '' && attrs.height) {
+    div.style.height = attrs.height + "px";
+  }
+  if (div.style.height === '' && div.clientHeight === 0) {
+    div.style.height = Dygraph.DEFAULT_HEIGHT + "px";
+    if (div.style.width === '') {
+      div.style.width = Dygraph.DEFAULT_WIDTH + "px";
+    }
+  }
+  // These will be zero if the dygraph's div is hidden. In that case,
+  // use the user-specified attributes if present. If not, use zero
+  // and assume the user will call resize to fix things later.
+  this.width_ = div.clientWidth || attrs.width || 0;
+  this.height_ = div.clientHeight || attrs.height || 0;
+
+  // TODO(danvk): set fillGraph to be part of attrs_ here, not user_attrs_.
+  if (attrs.stackedGraph) {
+    attrs.fillGraph = true;
+    // TODO(nikhilk): Add any other stackedGraph checks here.
+  }
+
+  // DEPRECATION WARNING: All option processing should be moved from
+  // attrs_ and user_attrs_ to options_, which holds all this information.
+  //
+  // Dygraphs has many options, some of which interact with one another.
+  // To keep track of everything, we maintain two sets of options:
+  //
+  //  this.user_attrs_   only options explicitly set by the user.
+  //  this.attrs_        defaults, options derived from user_attrs_, data.
+  //
+  // Options are then accessed this.attr_('attr'), which first looks at
+  // user_attrs_ and then computed attrs_. This way Dygraphs can set intelligent
+  // defaults without overriding behavior that the user specifically asks for.
+  this.user_attrs_ = {};
+  Dygraph.update(this.user_attrs_, attrs);
+
+  // This sequence ensures that Dygraph.DEFAULT_ATTRS is never modified.
+  this.attrs_ = {};
+  Dygraph.updateDeep(this.attrs_, Dygraph.DEFAULT_ATTRS);
+
+  this.boundaryIds_ = [];
+  this.setIndexByName_ = {};
+  this.datasetIndex_ = [];
+
+  this.registeredEvents_ = [];
+  this.eventListeners_ = {};
+
+  this.attributes_ = new DygraphOptions(this);
+
+  // Create the containing DIV and other interactive elements
+  this.createInterface_();
+
+  // Activate plugins.
+  this.plugins_ = [];
+  var plugins = Dygraph.PLUGINS.concat(this.getOption('plugins'));
+  for (var i = 0; i < plugins.length; i++) {
+    // the plugins option may contain either plugin classes or instances.
+    // Plugin instances contain an activate method.
+    var Plugin = plugins[i];  // either a constructor or an instance.
+    var pluginInstance;
+    if (typeof(Plugin.activate) !== 'undefined') {
+      pluginInstance = Plugin;
+    } else {
+      pluginInstance = new Plugin();
+    }
+
+    var pluginDict = {
+      plugin: pluginInstance,
+      events: {},
+      options: {},
+      pluginOptions: {}
+    };
+
+    var handlers = pluginInstance.activate(this);
+    for (var eventName in handlers) {
+      if (!handlers.hasOwnProperty(eventName)) continue;
+      // TODO(danvk): validate eventName.
+      pluginDict.events[eventName] = handlers[eventName];
+    }
+
+    this.plugins_.push(pluginDict);
+  }
+
+  // At this point, plugins can no longer register event handlers.
+  // Construct a map from event -> ordered list of [callback, plugin].
+  for (var i = 0; i < this.plugins_.length; i++) {
+    var plugin_dict = this.plugins_[i];
+    for (var eventName in plugin_dict.events) {
+      if (!plugin_dict.events.hasOwnProperty(eventName)) continue;
+      var callback = plugin_dict.events[eventName];
+
+      var pair = [plugin_dict.plugin, callback];
+      if (!(eventName in this.eventListeners_)) {
+        this.eventListeners_[eventName] = [pair];
+      } else {
+        this.eventListeners_[eventName].push(pair);
+      }
+    }
+  }
+
+  this.createDragInterface_();
+
+  this.start_();
+};
+
+/**
+ * Triggers a cascade of events to the various plugins which are interested in them.
+ * Returns true if the "default behavior" should be prevented, i.e. if one
+ * of the event listeners called event.preventDefault().
+ * @private
+ */
+Dygraph.prototype.cascadeEvents_ = function(name, extra_props) {
+  if (!(name in this.eventListeners_)) return false;
+
+  // QUESTION: can we use objects & prototypes to speed this up?
+  var e = {
+    dygraph: this,
+    cancelable: false,
+    defaultPrevented: false,
+    preventDefault: function() {
+      if (!e.cancelable) throw "Cannot call preventDefault on non-cancelable event.";
+      e.defaultPrevented = true;
+    },
+    propagationStopped: false,
+    stopPropagation: function() {
+      e.propagationStopped = true;
+    }
+  };
+  Dygraph.update(e, extra_props);
+
+  var callback_plugin_pairs = this.eventListeners_[name];
+  if (callback_plugin_pairs) {
+    for (var i = callback_plugin_pairs.length - 1; i >= 0; i--) {
+      var plugin = callback_plugin_pairs[i][0];
+      var callback = callback_plugin_pairs[i][1];
+      callback.call(plugin, e);
+      if (e.propagationStopped) break;
+    }
+  }
+  return e.defaultPrevented;
+};
+
+/**
+ * Fetch a plugin instance of a particular class. Only for testing.
+ * @private
+ * @param {!Class} type The type of the plugin.
+ * @return {Object} Instance of the plugin, or null if there is none.
+ */
+Dygraph.prototype.getPluginInstance_ = function(type) {
+  for (var i = 0; i < this.plugins_.length; i++) {
+    var p = this.plugins_[i];
+    if (p.plugin instanceof type) {
+      return p.plugin;
+    }
+  }
+  return null;
+};
+
+/**
+ * Returns the zoomed status of the chart for one or both axes.
+ *
+ * Axis is an optional parameter. Can be set to 'x' or 'y'.
+ *
+ * The zoomed status for an axis is set whenever a user zooms using the mouse
+ * or when the dateWindow or valueRange are updated (unless the
+ * isZoomedIgnoreProgrammaticZoom option is also specified).
+ */
+Dygraph.prototype.isZoomed = function(axis) {
+  if (axis === null || axis === undefined) {
+    return this.zoomed_x_ || this.zoomed_y_;
+  }
+  if (axis === 'x') return this.zoomed_x_;
+  if (axis === 'y') return this.zoomed_y_;
+  throw "axis parameter is [" + axis + "] must be null, 'x' or 'y'.";
+};
+
+/**
+ * Returns information about the Dygraph object, including its containing ID.
+ */
+Dygraph.prototype.toString = function() {
+  var maindiv = this.maindiv_;
+  var id = (maindiv && maindiv.id) ? maindiv.id : maindiv;
+  return "[Dygraph " + id + "]";
+};
+
+/**
+ * @private
+ * Returns the value of an option. This may be set by the user (either in the
+ * constructor or by calling updateOptions) or by dygraphs, and may be set to a
+ * per-series value.
+ * @param {string} name The name of the option, e.g. 'rollPeriod'.
+ * @param {string} [seriesName] The name of the series to which the option
+ * will be applied. If no per-series value of this option is available, then
+ * the global value is returned. This is optional.
+ * @return { ... } The value of the option.
+ */
+Dygraph.prototype.attr_ = function(name, seriesName) {
+  if (DEBUG) {
+    if (typeof(Dygraph.OPTIONS_REFERENCE) === 'undefined') {
+      console.error('Must include options reference JS for testing');
+    } else if (!Dygraph.OPTIONS_REFERENCE.hasOwnProperty(name)) {
+      console.error('Dygraphs is using property ' + name + ', which has no ' +
+                    'entry in the Dygraphs.OPTIONS_REFERENCE listing.');
+      // Only log this error once.
+      Dygraph.OPTIONS_REFERENCE[name] = true;
+    }
+  }
+  return seriesName ? this.attributes_.getForSeries(name, seriesName) : this.attributes_.get(name);
+};
+
+/**
+ * Returns the current value for an option, as set in the constructor or via
+ * updateOptions. You may pass in an (optional) series name to get per-series
+ * values for the option.
+ *
+ * All values returned by this method should be considered immutable. If you
+ * modify them, there is no guarantee that the changes will be honored or that
+ * dygraphs will remain in a consistent state. If you want to modify an option,
+ * use updateOptions() instead.
+ *
+ * @param {string} name The name of the option (e.g. 'strokeWidth')
+ * @param {string=} opt_seriesName Series name to get per-series values.
+ * @return {*} The value of the option.
+ */
+Dygraph.prototype.getOption = function(name, opt_seriesName) {
+  return this.attr_(name, opt_seriesName);
+};
+
+/**
+ * Like getOption(), but specifically returns a number.
+ * This is a convenience function for working with the Closure Compiler.
+ * @param {string} name The name of the option (e.g. 'strokeWidth')
+ * @param {string=} opt_seriesName Series name to get per-series values.
+ * @return {number} The value of the option.
+ * @private
+ */
+Dygraph.prototype.getNumericOption = function(name, opt_seriesName) {
+  return /** @type{number} */(this.getOption(name, opt_seriesName));
+};
+
+/**
+ * Like getOption(), but specifically returns a string.
+ * This is a convenience function for working with the Closure Compiler.
+ * @param {string} name The name of the option (e.g. 'strokeWidth')
+ * @param {string=} opt_seriesName Series name to get per-series values.
+ * @return {string} The value of the option.
+ * @private
+ */
+Dygraph.prototype.getStringOption = function(name, opt_seriesName) {
+  return /** @type{string} */(this.getOption(name, opt_seriesName));
+};
+
+/**
+ * Like getOption(), but specifically returns a boolean.
+ * This is a convenience function for working with the Closure Compiler.
+ * @param {string} name The name of the option (e.g. 'strokeWidth')
+ * @param {string=} opt_seriesName Series name to get per-series values.
+ * @return {boolean} The value of the option.
+ * @private
+ */
+Dygraph.prototype.getBooleanOption = function(name, opt_seriesName) {
+  return /** @type{boolean} */(this.getOption(name, opt_seriesName));
+};
+
+/**
+ * Like getOption(), but specifically returns a function.
+ * This is a convenience function for working with the Closure Compiler.
+ * @param {string} name The name of the option (e.g. 'strokeWidth')
+ * @param {string=} opt_seriesName Series name to get per-series values.
+ * @return {function(...)} The value of the option.
+ * @private
+ */
+Dygraph.prototype.getFunctionOption = function(name, opt_seriesName) {
+  return /** @type{function(...)} */(this.getOption(name, opt_seriesName));
+};
+
+Dygraph.prototype.getOptionForAxis = function(name, axis) {
+  return this.attributes_.getForAxis(name, axis);
+};
+
+/**
+ * @private
+ * @param {string} axis The name of the axis (i.e. 'x', 'y' or 'y2')
+ * @return { ... } A function mapping string -> option value
+ */
+Dygraph.prototype.optionsViewForAxis_ = function(axis) {
+  var self = this;
+  return function(opt) {
+    var axis_opts = self.user_attrs_.axes;
+    if (axis_opts && axis_opts[axis] && axis_opts[axis].hasOwnProperty(opt)) {
+      return axis_opts[axis][opt];
+    }
+
+    // I don't like that this is in a second spot.
+    if (axis === 'x' && opt === 'logscale') {
+      // return the default value.
+      // TODO(konigsberg): pull the default from a global default.
+      return false;
+    }
+
+    // user-specified attributes always trump defaults, even if they're less
+    // specific.
+    if (typeof(self.user_attrs_[opt]) != 'undefined') {
+      return self.user_attrs_[opt];
+    }
+
+    axis_opts = self.attrs_.axes;
+    if (axis_opts && axis_opts[axis] && axis_opts[axis].hasOwnProperty(opt)) {
+      return axis_opts[axis][opt];
+    }
+    // check old-style axis options
+    // TODO(danvk): add a deprecation warning if either of these match.
+    if (axis == 'y' && self.axes_[0].hasOwnProperty(opt)) {
+      return self.axes_[0][opt];
+    } else if (axis == 'y2' && self.axes_[1].hasOwnProperty(opt)) {
+      return self.axes_[1][opt];
+    }
+    return self.attr_(opt);
+  };
+};
+
+/**
+ * Returns the current rolling period, as set by the user or an option.
+ * @return {number} The number of points in the rolling window
+ */
+Dygraph.prototype.rollPeriod = function() {
+  return this.rollPeriod_;
+};
+
+/**
+ * Returns the currently-visible x-range. This can be affected by zooming,
+ * panning or a call to updateOptions.
+ * Returns a two-element array: [left, right].
+ * If the Dygraph has dates on the x-axis, these will be millis since epoch.
+ */
+Dygraph.prototype.xAxisRange = function() {
+  return this.dateWindow_ ? this.dateWindow_ : this.xAxisExtremes();
+};
+
+/**
+ * Returns the lower- and upper-bound x-axis values of the
+ * data set.
+ */
+Dygraph.prototype.xAxisExtremes = function() {
+  var pad = this.getNumericOption('xRangePad') / this.plotter_.area.w;
+  if (this.numRows() === 0) {
+    return [0 - pad, 1 + pad];
+  }
+  var left = this.rawData_[0][0];
+  var right = this.rawData_[this.rawData_.length - 1][0];
+  if (pad) {
+    // Must keep this in sync with dygraph-layout _evaluateLimits()
+    var range = right - left;
+    left -= range * pad;
+    right += range * pad;
+  }
+  return [left, right];
+};
+
+/**
+ * Returns the currently-visible y-range for an axis. This can be affected by
+ * zooming, panning or a call to updateOptions. Axis indices are zero-based. If
+ * called with no arguments, returns the range of the first axis.
+ * Returns a two-element array: [bottom, top].
+ */
+Dygraph.prototype.yAxisRange = function(idx) {
+  if (typeof(idx) == "undefined") idx = 0;
+  if (idx < 0 || idx >= this.axes_.length) {
+    return null;
+  }
+  var axis = this.axes_[idx];
+  return [ axis.computedValueRange[0], axis.computedValueRange[1] ];
+};
+
+/**
+ * Returns the currently-visible y-ranges for each axis. This can be affected by
+ * zooming, panning, calls to updateOptions, etc.
+ * Returns an array of [bottom, top] pairs, one for each y-axis.
+ */
+Dygraph.prototype.yAxisRanges = function() {
+  var ret = [];
+  for (var i = 0; i < this.axes_.length; i++) {
+    ret.push(this.yAxisRange(i));
+  }
+  return ret;
+};
+
+// TODO(danvk): use these functions throughout dygraphs.
+/**
+ * Convert from data coordinates to canvas/div X/Y coordinates.
+ * If specified, do this conversion for the coordinate system of a particular
+ * axis. Uses the first axis by default.
+ * Returns a two-element array: [X, Y]
+ *
+ * Note: use toDomXCoord instead of toDomCoords(x, null) and use toDomYCoord
+ * instead of toDomCoords(null, y, axis).
+ */
+Dygraph.prototype.toDomCoords = function(x, y, axis) {
+  return [ this.toDomXCoord(x), this.toDomYCoord(y, axis) ];
+};
+
+/**
+ * Convert from data x coordinates to canvas/div X coordinate.
+ * If specified, do this conversion for the coordinate system of a particular
+ * axis.
+ * Returns a single value or null if x is null.
+ */
+Dygraph.prototype.toDomXCoord = function(x) {
+  if (x === null) {
+    return null;
+  }
+
+  var area = this.plotter_.area;
+  var xRange = this.xAxisRange();
+  return area.x + (x - xRange[0]) / (xRange[1] - xRange[0]) * area.w;
+};
+
+/**
+ * Convert from data x coordinates to canvas/div Y coordinate and optional
+ * axis. Uses the first axis by default.
+ *
+ * returns a single value or null if y is null.
+ */
+Dygraph.prototype.toDomYCoord = function(y, axis) {
+  var pct = this.toPercentYCoord(y, axis);
+
+  if (pct === null) {
+    return null;
+  }
+  var area = this.plotter_.area;
+  return area.y + pct * area.h;
+};
+
+/**
+ * Convert from canvas/div coords to data coordinates.
+ * If specified, do this conversion for the coordinate system of a particular
+ * axis. Uses the first axis by default.
+ * Returns a two-element array: [X, Y].
+ *
+ * Note: use toDataXCoord instead of toDataCoords(x, null) and use toDataYCoord
+ * instead of toDataCoords(null, y, axis).
+ */
+Dygraph.prototype.toDataCoords = function(x, y, axis) {
+  return [ this.toDataXCoord(x), this.toDataYCoord(y, axis) ];
+};
+
+/**
+ * Convert from canvas/div x coordinate to data coordinate.
+ *
+ * If x is null, this returns null.
+ */
+Dygraph.prototype.toDataXCoord = function(x) {
+  if (x === null) {
+    return null;
+  }
+
+  var area = this.plotter_.area;
+  var xRange = this.xAxisRange();
+
+  if (!this.attributes_.getForAxis("logscale", 'x')) {
+    return xRange[0] + (x - area.x) / area.w * (xRange[1] - xRange[0]);
+  } else {
+    // TODO: remove duplicate code?
+    // Computing the inverse of toDomCoord.
+    var pct = (x - area.x) / area.w;
+
+    // Computing the inverse of toPercentXCoord. The function was arrived at with
+    // the following steps:
+    //
+    // Original calcuation:
+    // pct = (log(x) - log(xRange[0])) / (log(xRange[1]) - log(xRange[0])));
+    //
+    // Multiply both sides by the right-side demoninator.
+    // pct * (log(xRange[1] - log(xRange[0]))) = log(x) - log(xRange[0])
+    //
+    // add log(xRange[0]) to both sides
+    // log(xRange[0]) + (pct * (log(xRange[1]) - log(xRange[0])) = log(x);
+    //
+    // Swap both sides of the equation,
+    // log(x) = log(xRange[0]) + (pct * (log(xRange[1]) - log(xRange[0]))
+    //
+    // Use both sides as the exponent in 10^exp and we're done.
+    // x = 10 ^ (log(xRange[0]) + (pct * (log(xRange[1]) - log(xRange[0])))
+    var logr0 = Dygraph.log10(xRange[0]);
+    var logr1 = Dygraph.log10(xRange[1]);
+    var exponent = logr0 + (pct * (logr1 - logr0));
+    var value = Math.pow(Dygraph.LOG_SCALE, exponent);
+    return value;
+  }
+};
+
+/**
+ * Convert from canvas/div y coord to value.
+ *
+ * If y is null, this returns null.
+ * if axis is null, this uses the first axis.
+ */
+Dygraph.prototype.toDataYCoord = function(y, axis) {
+  if (y === null) {
+    return null;
+  }
+
+  var area = this.plotter_.area;
+  var yRange = this.yAxisRange(axis);
+
+  if (typeof(axis) == "undefined") axis = 0;
+  if (!this.attributes_.getForAxis("logscale", axis)) {
+    return yRange[0] + (area.y + area.h - y) / area.h * (yRange[1] - yRange[0]);
+  } else {
+    // Computing the inverse of toDomCoord.
+    var pct = (y - area.y) / area.h;
+
+    // Computing the inverse of toPercentYCoord. The function was arrived at with
+    // the following steps:
+    //
+    // Original calcuation:
+    // pct = (log(yRange[1]) - log(y)) / (log(yRange[1]) - log(yRange[0]));
+    //
+    // Multiply both sides by the right-side demoninator.
+    // pct * (log(yRange[1]) - log(yRange[0])) = log(yRange[1]) - log(y);
+    //
+    // subtract log(yRange[1]) from both sides.
+    // (pct * (log(yRange[1]) - log(yRange[0]))) - log(yRange[1]) = -log(y);
+    //
+    // and multiply both sides by -1.
+    // log(yRange[1]) - (pct * (logr1 - log(yRange[0])) = log(y);
+    //
+    // Swap both sides of the equation,
+    // log(y) = log(yRange[1]) - (pct * (log(yRange[1]) - log(yRange[0])));
+    //
+    // Use both sides as the exponent in 10^exp and we're done.
+    // y = 10 ^ (log(yRange[1]) - (pct * (log(yRange[1]) - log(yRange[0]))));
+    var logr0 = Dygraph.log10(yRange[0]);
+    var logr1 = Dygraph.log10(yRange[1]);
+    var exponent = logr1 - (pct * (logr1 - logr0));
+    var value = Math.pow(Dygraph.LOG_SCALE, exponent);
+    return value;
+  }
+};
+
+/**
+ * Converts a y for an axis to a percentage from the top to the
+ * bottom of the drawing area.
+ *
+ * If the coordinate represents a value visible on the canvas, then
+ * the value will be between 0 and 1, where 0 is the top of the canvas.
+ * However, this method will return values outside the range, as
+ * values can fall outside the canvas.
+ *
+ * If y is null, this returns null.
+ * if axis is null, this uses the first axis.
+ *
+ * @param {number} y The data y-coordinate.
+ * @param {number} [axis] The axis number on which the data coordinate lives.
+ * @return {number} A fraction in [0, 1] where 0 = the top edge.
+ */
+Dygraph.prototype.toPercentYCoord = function(y, axis) {
+  if (y === null) {
+    return null;
+  }
+  if (typeof(axis) == "undefined") axis = 0;
+
+  var yRange = this.yAxisRange(axis);
+
+  var pct;
+  var logscale = this.attributes_.getForAxis("logscale", axis);
+  if (logscale) {
+    var logr0 = Dygraph.log10(yRange[0]);
+    var logr1 = Dygraph.log10(yRange[1]);
+    pct = (logr1 - Dygraph.log10(y)) / (logr1 - logr0);
+  } else {
+    // yRange[1] - y is unit distance from the bottom.
+    // yRange[1] - yRange[0] is the scale of the range.
+    // (yRange[1] - y) / (yRange[1] - yRange[0]) is the % from the bottom.
+    pct = (yRange[1] - y) / (yRange[1] - yRange[0]);
+  }
+  return pct;
+};
+
+/**
+ * Converts an x value to a percentage from the left to the right of
+ * the drawing area.
+ *
+ * If the coordinate represents a value visible on the canvas, then
+ * the value will be between 0 and 1, where 0 is the left of the canvas.
+ * However, this method will return values outside the range, as
+ * values can fall outside the canvas.
+ *
+ * If x is null, this returns null.
+ * @param {number} x The data x-coordinate.
+ * @return {number} A fraction in [0, 1] where 0 = the left edge.
+ */
+Dygraph.prototype.toPercentXCoord = function(x) {
+  if (x === null) {
+    return null;
+  }
+
+  var xRange = this.xAxisRange();
+  var pct;
+  var logscale = this.attributes_.getForAxis("logscale", 'x') ;
+  if (logscale === true) {  // logscale can be null so we test for true explicitly.
+    var logr0 = Dygraph.log10(xRange[0]);
+    var logr1 = Dygraph.log10(xRange[1]);
+    pct = (Dygraph.log10(x) - logr0) / (logr1 - logr0);
+  } else {
+    // x - xRange[0] is unit distance from the left.
+    // xRange[1] - xRange[0] is the scale of the range.
+    // The full expression below is the % from the left.
+    pct = (x - xRange[0]) / (xRange[1] - xRange[0]);
+  }
+  return pct;
+};
+
+/**
+ * Returns the number of columns (including the independent variable).
+ * @return {number} The number of columns.
+ */
+Dygraph.prototype.numColumns = function() {
+  if (!this.rawData_) return 0;
+  return this.rawData_[0] ? this.rawData_[0].length : this.attr_("labels").length;
+};
+
+/**
+ * Returns the number of rows (excluding any header/label row).
+ * @return {number} The number of rows, less any header.
+ */
+Dygraph.prototype.numRows = function() {
+  if (!this.rawData_) return 0;
+  return this.rawData_.length;
+};
+
+/**
+ * Returns the value in the given row and column. If the row and column exceed
+ * the bounds on the data, returns null. Also returns null if the value is
+ * missing.
+ * @param {number} row The row number of the data (0-based). Row 0 is the
+ *     first row of data, not a header row.
+ * @param {number} col The column number of the data (0-based)
+ * @return {number} The value in the specified cell or null if the row/col
+ *     were out of range.
+ */
+Dygraph.prototype.getValue = function(row, col) {
+  if (row < 0 || row > this.rawData_.length) return null;
+  if (col < 0 || col > this.rawData_[row].length) return null;
+
+  return this.rawData_[row][col];
+};
+
+/**
+ * Generates interface elements for the Dygraph: a containing div, a div to
+ * display the current point, and a textbox to adjust the rolling average
+ * period. Also creates the Renderer/Layout elements.
+ * @private
+ */
+Dygraph.prototype.createInterface_ = function() {
+  // Create the all-enclosing graph div
+  var enclosing = this.maindiv_;
+
+  this.graphDiv = document.createElement("div");
+
+  // TODO(danvk): any other styles that are useful to set here?
+  this.graphDiv.style.textAlign = 'left';  // This is a CSS "reset"
+  this.graphDiv.style.position = 'relative';
+  enclosing.appendChild(this.graphDiv);
+
+  // Create the canvas for interactive parts of the chart.
+  this.canvas_ = Dygraph.createCanvas();
+  this.canvas_.style.position = "absolute";
+
+  // ... and for static parts of the chart.
+  this.hidden_ = this.createPlotKitCanvas_(this.canvas_);
+
+  this.canvas_ctx_ = Dygraph.getContext(this.canvas_);
+  this.hidden_ctx_ = Dygraph.getContext(this.hidden_);
+
+  this.resizeElements_();
+
+  // The interactive parts of the graph are drawn on top of the chart.
+  this.graphDiv.appendChild(this.hidden_);
+  this.graphDiv.appendChild(this.canvas_);
+  this.mouseEventElement_ = this.createMouseEventElement_();
+
+  // Create the grapher
+  this.layout_ = new DygraphLayout(this);
+
+  var dygraph = this;
+
+  this.mouseMoveHandler_ = function(e) {
+    dygraph.mouseMove_(e);
+  };
+
+  this.mouseOutHandler_ = function(e) {
+    // The mouse has left the chart if:
+    // 1. e.target is inside the chart
+    // 2. e.relatedTarget is outside the chart
+    var target = e.target || e.fromElement;
+    var relatedTarget = e.relatedTarget || e.toElement;
+    if (Dygraph.isNodeContainedBy(target, dygraph.graphDiv) &&
+        !Dygraph.isNodeContainedBy(relatedTarget, dygraph.graphDiv)) {
+      dygraph.mouseOut_(e);
+    }
+  };
+
+  this.addAndTrackEvent(window, 'mouseout', this.mouseOutHandler_);
+  this.addAndTrackEvent(this.mouseEventElement_, 'mousemove', this.mouseMoveHandler_);
+
+  // Don't recreate and register the resize handler on subsequent calls.
+  // This happens when the graph is resized.
+  if (!this.resizeHandler_) {
+    this.resizeHandler_ = function(e) {
+      dygraph.resize();
+    };
+
+    // Update when the window is resized.
+    // TODO(danvk): drop frames depending on complexity of the chart.
+    this.addAndTrackEvent(window, 'resize', this.resizeHandler_);
+  }
+};
+
+Dygraph.prototype.resizeElements_ = function() {
+  this.graphDiv.style.width = this.width_ + "px";
+  this.graphDiv.style.height = this.height_ + "px";
+
+  var canvasScale = Dygraph.getContextPixelRatio(this.canvas_ctx_);
+  this.canvas_.width = this.width_ * canvasScale;
+  this.canvas_.height = this.height_ * canvasScale;
+  this.canvas_.style.width = this.width_ + "px";    // for IE
+  this.canvas_.style.height = this.height_ + "px";  // for IE
+  if (canvasScale !== 1) {
+    this.canvas_ctx_.scale(canvasScale, canvasScale);
+  }
+
+  var hiddenScale = Dygraph.getContextPixelRatio(this.hidden_ctx_);
+  this.hidden_.width = this.width_ * hiddenScale;
+  this.hidden_.height = this.height_ * hiddenScale;
+  this.hidden_.style.width = this.width_ + "px";    // for IE
+  this.hidden_.style.height = this.height_ + "px";  // for IE
+  if (hiddenScale !== 1) {
+    this.hidden_ctx_.scale(hiddenScale, hiddenScale);
+  }
+};
+
+/**
+ * Detach DOM elements in the dygraph and null out all data references.
+ * Calling this when you're done with a dygraph can dramatically reduce memory
+ * usage. See, e.g., the tests/perf.html example.
+ */
+Dygraph.prototype.destroy = function() {
+  this.canvas_ctx_.restore();
+  this.hidden_ctx_.restore();
+
+  // Destroy any plugins, in the reverse order that they were registered.
+  for (var i = this.plugins_.length - 1; i >= 0; i--) {
+    var p = this.plugins_.pop();
+    if (p.plugin.destroy) p.plugin.destroy();
+  }
+
+  var removeRecursive = function(node) {
+    while (node.hasChildNodes()) {
+      removeRecursive(node.firstChild);
+      node.removeChild(node.firstChild);
+    }
+  };
+
+  this.removeTrackedEvents_();
+
+  // remove mouse event handlers (This may not be necessary anymore)
+  Dygraph.removeEvent(window, 'mouseout', this.mouseOutHandler_);
+  Dygraph.removeEvent(this.mouseEventElement_, 'mousemove', this.mouseMoveHandler_);
+
+  // remove window handlers
+  Dygraph.removeEvent(window,'resize', this.resizeHandler_);
+  this.resizeHandler_ = null;
+
+  removeRecursive(this.maindiv_);
+
+  var nullOut = function(obj) {
+    for (var n in obj) {
+      if (typeof(obj[n]) === 'object') {
+        obj[n] = null;
+      }
+    }
+  };
+  // These may not all be necessary, but it can't hurt...
+  nullOut(this.layout_);
+  nullOut(this.plotter_);
+  nullOut(this);
+};
+
+/**
+ * Creates the canvas on which the chart will be drawn. Only the Renderer ever
+ * draws on this particular canvas. All Dygraph work (i.e. drawing hover dots
+ * or the zoom rectangles) is done on this.canvas_.
+ * @param {Object} canvas The Dygraph canvas over which to overlay the plot
+ * @return {Object} The newly-created canvas
+ * @private
+ */
+Dygraph.prototype.createPlotKitCanvas_ = function(canvas) {
+  var h = Dygraph.createCanvas();
+  h.style.position = "absolute";
+  // TODO(danvk): h should be offset from canvas. canvas needs to include
+  // some extra area to make it easier to zoom in on the far left and far
+  // right. h needs to be precisely the plot area, so that clipping occurs.
+  h.style.top = canvas.style.top;
+  h.style.left = canvas.style.left;
+  h.width = this.width_;
+  h.height = this.height_;
+  h.style.width = this.width_ + "px";    // for IE
+  h.style.height = this.height_ + "px";  // for IE
+  return h;
+};
+
+/**
+ * Creates an overlay element used to handle mouse events.
+ * @return {Object} The mouse event element.
+ * @private
+ */
+Dygraph.prototype.createMouseEventElement_ = function() {
+  if (this.isUsingExcanvas_) {
+    var elem = document.createElement("div");
+    elem.style.position = 'absolute';
+    elem.style.backgroundColor = 'white';
+    elem.style.filter = 'alpha(opacity=0)';
+    elem.style.width = this.width_ + "px";
+    elem.style.height = this.height_ + "px";
+    this.graphDiv.appendChild(elem);
+    return elem;
+  } else {
+    return this.canvas_;
+  }
+};
+
+/**
+ * Generate a set of distinct colors for the data series. This is done with a
+ * color wheel. Saturation/Value are customizable, and the hue is
+ * equally-spaced around the color wheel. If a custom set of colors is
+ * specified, that is used instead.
+ * @private
+ */
+Dygraph.prototype.setColors_ = function() {
+  var labels = this.getLabels();
+  var num = labels.length - 1;
+  this.colors_ = [];
+  this.colorsMap_ = {};
+
+  // These are used for when no custom colors are specified.
+  var sat = this.getNumericOption('colorSaturation') || 1.0;
+  var val = this.getNumericOption('colorValue') || 0.5;
+  var half = Math.ceil(num / 2);
+
+  var colors = this.getOption('colors');
+  var visibility = this.visibility();
+  for (var i = 0; i < num; i++) {
+    if (!visibility[i]) {
+      continue;
+    }
+    var label = labels[i + 1];
+    var colorStr = this.attributes_.getForSeries('color', label);
+    if (!colorStr) {
+      if (colors) {
+        colorStr = colors[i % colors.length];
+      } else {
+        // alternate colors for high contrast.
+        var idx = i % 2 ? (half + (i + 1)/ 2) : Math.ceil((i + 1) / 2);
+        var hue = (1.0 * idx / (1 + num));
+        colorStr = Dygraph.hsvToRGB(hue, sat, val);
+      }
+    }
+    this.colors_.push(colorStr);
+    this.colorsMap_[label] = colorStr;
+  }
+};
+
+/**
+ * Return the list of colors. This is either the list of colors passed in the
+ * attributes or the autogenerated list of rgb(r,g,b) strings.
+ * This does not return colors for invisible series.
+ * @return {Array.<string>} The list of colors.
+ */
+Dygraph.prototype.getColors = function() {
+  return this.colors_;
+};
+
+/**
+ * Returns a few attributes of a series, i.e. its color, its visibility, which
+ * axis it's assigned to, and its column in the original data.
+ * Returns null if the series does not exist.
+ * Otherwise, returns an object with column, visibility, color and axis properties.
+ * The "axis" property will be set to 1 for y1 and 2 for y2.
+ * The "column" property can be fed back into getValue(row, column) to get
+ * values for this series.
+ */
+Dygraph.prototype.getPropertiesForSeries = function(series_name) {
+  var idx = -1;
+  var labels = this.getLabels();
+  for (var i = 1; i < labels.length; i++) {
+    if (labels[i] == series_name) {
+      idx = i;
+      break;
+    }
+  }
+  if (idx == -1) return null;
+
+  return {
+    name: series_name,
+    column: idx,
+    visible: this.visibility()[idx - 1],
+    color: this.colorsMap_[series_name],
+    axis: 1 + this.attributes_.axisForSeries(series_name)
+  };
+};
+
+/**
+ * Create the text box to adjust the averaging period
+ * @private
+ */
+Dygraph.prototype.createRollInterface_ = function() {
+  // Create a roller if one doesn't exist already.
+  if (!this.roller_) {
+    this.roller_ = document.createElement("input");
+    this.roller_.type = "text";
+    this.roller_.style.display = "none";
+    this.graphDiv.appendChild(this.roller_);
+  }
+
+  var display = this.getBooleanOption('showRoller') ? 'block' : 'none';
+
+  var area = this.plotter_.area;
+  var textAttr = { "position": "absolute",
+                   "zIndex": 10,
+                   "top": (area.y + area.h - 25) + "px",
+                   "left": (area.x + 1) + "px",
+                   "display": display
+                  };
+  this.roller_.size = "2";
+  this.roller_.value = this.rollPeriod_;
+  for (var name in textAttr) {
+    if (textAttr.hasOwnProperty(name)) {
+      this.roller_.style[name] = textAttr[name];
+    }
+  }
+
+  var dygraph = this;
+  this.roller_.onchange = function() { dygraph.adjustRoll(dygraph.roller_.value); };
+};
+
+/**
+ * Set up all the mouse handlers needed to capture dragging behavior for zoom
+ * events.
+ * @private
+ */
+Dygraph.prototype.createDragInterface_ = function() {
+  var context = {
+    // Tracks whether the mouse is down right now
+    isZooming: false,
+    isPanning: false,  // is this drag part of a pan?
+    is2DPan: false,    // if so, is that pan 1- or 2-dimensional?
+    dragStartX: null, // pixel coordinates
+    dragStartY: null, // pixel coordinates
+    dragEndX: null, // pixel coordinates
+    dragEndY: null, // pixel coordinates
+    dragDirection: null,
+    prevEndX: null, // pixel coordinates
+    prevEndY: null, // pixel coordinates
+    prevDragDirection: null,
+    cancelNextDblclick: false,  // see comment in dygraph-interaction-model.js
+
+    // The value on the left side of the graph when a pan operation starts.
+    initialLeftmostDate: null,
+
+    // The number of units each pixel spans. (This won't be valid for log
+    // scales)
+    xUnitsPerPixel: null,
+
+    // TODO(danvk): update this comment
+    // The range in second/value units that the viewport encompasses during a
+    // panning operation.
+    dateRange: null,
+
+    // Top-left corner of the canvas, in DOM coords
+    // TODO(konigsberg): Rename topLeftCanvasX, topLeftCanvasY.
+    px: 0,
+    py: 0,
+
+    // Values for use with panEdgeFraction, which limit how far outside the
+    // graph's data boundaries it can be panned.
+    boundedDates: null, // [minDate, maxDate]
+    boundedValues: null, // [[minValue, maxValue] ...]
+
+    // We cover iframes during mouse interactions. See comments in
+    // dygraph-utils.js for more info on why this is a good idea.
+    tarp: new Dygraph.IFrameTarp(),
+
+    // contextB is the same thing as this context object but renamed.
+    initializeMouseDown: function(event, g, contextB) {
+      // prevents mouse drags from selecting page text.
+      if (event.preventDefault) {
+        event.preventDefault();  // Firefox, Chrome, etc.
+      } else {
+        event.returnValue = false;  // IE
+        event.cancelBubble = true;
+      }
+
+      var canvasPos = Dygraph.findPos(g.canvas_);
+      contextB.px = canvasPos.x;
+      contextB.py = canvasPos.y;
+      contextB.dragStartX = Dygraph.dragGetX_(event, contextB);
+      contextB.dragStartY = Dygraph.dragGetY_(event, contextB);
+      contextB.cancelNextDblclick = false;
+      contextB.tarp.cover();
+    },
+    destroy: function() {
+      var context = this;
+      if (context.isZooming || context.isPanning) {
+        context.isZooming = false;
+        context.dragStartX = null;
+        context.dragStartY = null;
+      }
+
+      if (context.isPanning) {
+        context.isPanning = false;
+        context.draggingDate = null;
+        context.dateRange = null;
+        for (var i = 0; i < self.axes_.length; i++) {
+          delete self.axes_[i].draggingValue;
+          delete self.axes_[i].dragValueRange;
+        }
+      }
+
+      context.tarp.uncover();
+    }
+  };
+
+  var interactionModel = this.getOption("interactionModel");
+
+  // Self is the graph.
+  var self = this;
+
+  // Function that binds the graph and context to the handler.
+  var bindHandler = function(handler) {
+    return function(event) {
+      handler(event, self, context);
+    };
+  };
+
+  for (var eventName in interactionModel) {
+    if (!interactionModel.hasOwnProperty(eventName)) continue;
+    this.addAndTrackEvent(this.mouseEventElement_, eventName,
+        bindHandler(interactionModel[eventName]));
+  }
+
+  // If the user releases the mouse button during a drag, but not over the
+  // canvas, then it doesn't count as a zooming action.
+  if (!interactionModel.willDestroyContextMyself) {
+    var mouseUpHandler = function(event) {
+      context.destroy();
+    };
+
+    this.addAndTrackEvent(document, 'mouseup', mouseUpHandler);
+  }
+};
+
+/**
+ * Draw a gray zoom rectangle over the desired area of the canvas. Also clears
+ * up any previous zoom rectangles that were drawn. This could be optimized to
+ * avoid extra redrawing, but it's tricky to avoid interactions with the status
+ * dots.
+ *
+ * @param {number} direction the direction of the zoom rectangle. Acceptable
+ *     values are Dygraph.HORIZONTAL and Dygraph.VERTICAL.
+ * @param {number} startX The X position where the drag started, in canvas
+ *     coordinates.
+ * @param {number} endX The current X position of the drag, in canvas coords.
+ * @param {number} startY The Y position where the drag started, in canvas
+ *     coordinates.
+ * @param {number} endY The current Y position of the drag, in canvas coords.
+ * @param {number} prevDirection the value of direction on the previous call to
+ *     this function. Used to avoid excess redrawing
+ * @param {number} prevEndX The value of endX on the previous call to this
+ *     function. Used to avoid excess redrawing
+ * @param {number} prevEndY The value of endY on the previous call to this
+ *     function. Used to avoid excess redrawing
+ * @private
+ */
+Dygraph.prototype.drawZoomRect_ = function(direction, startX, endX, startY,
+                                           endY, prevDirection, prevEndX,
+                                           prevEndY) {
+  var ctx = this.canvas_ctx_;
+
+  // Clean up from the previous rect if necessary
+  if (prevDirection == Dygraph.HORIZONTAL) {
+    ctx.clearRect(Math.min(startX, prevEndX), this.layout_.getPlotArea().y,
+                  Math.abs(startX - prevEndX), this.layout_.getPlotArea().h);
+  } else if (prevDirection == Dygraph.VERTICAL) {
+    ctx.clearRect(this.layout_.getPlotArea().x, Math.min(startY, prevEndY),
+                  this.layout_.getPlotArea().w, Math.abs(startY - prevEndY));
+  }
+
+  // Draw a light-grey rectangle to show the new viewing area
+  if (direction == Dygraph.HORIZONTAL) {
+    if (endX && startX) {
+      ctx.fillStyle = "rgba(128,128,128,0.33)";
+      ctx.fillRect(Math.min(startX, endX), this.layout_.getPlotArea().y,
+                   Math.abs(endX - startX), this.layout_.getPlotArea().h);
+    }
+  } else if (direction == Dygraph.VERTICAL) {
+    if (endY && startY) {
+      ctx.fillStyle = "rgba(128,128,128,0.33)";
+      ctx.fillRect(this.layout_.getPlotArea().x, Math.min(startY, endY),
+                   this.layout_.getPlotArea().w, Math.abs(endY - startY));
+    }
+  }
+
+  if (this.isUsingExcanvas_) {
+    this.currentZoomRectArgs_ = [direction, startX, endX, startY, endY, 0, 0, 0];
+  }
+};
+
+/**
+ * Clear the zoom rectangle (and perform no zoom).
+ * @private
+ */
+Dygraph.prototype.clearZoomRect_ = function() {
+  this.currentZoomRectArgs_ = null;
+  this.canvas_ctx_.clearRect(0, 0, this.width_, this.height_);
+};
+
+/**
+ * Zoom to something containing [lowX, highX]. These are pixel coordinates in
+ * the canvas. The exact zoom window may be slightly larger if there are no data
+ * points near lowX or highX. Don't confuse this function with doZoomXDates,
+ * which accepts dates that match the raw data. This function redraws the graph.
+ *
+ * @param {number} lowX The leftmost pixel value that should be visible.
+ * @param {number} highX The rightmost pixel value that should be visible.
+ * @private
+ */
+Dygraph.prototype.doZoomX_ = function(lowX, highX) {
+  this.currentZoomRectArgs_ = null;
+  // Find the earliest and latest dates contained in this canvasx range.
+  // Convert the call to date ranges of the raw data.
+  var minDate = this.toDataXCoord(lowX);
+  var maxDate = this.toDataXCoord(highX);
+  this.doZoomXDates_(minDate, maxDate);
+};
+
+/**
+ * Zoom to something containing [minDate, maxDate] values. Don't confuse this
+ * method with doZoomX which accepts pixel coordinates. This function redraws
+ * the graph.
+ *
+ * @param {number} minDate The minimum date that should be visible.
+ * @param {number} maxDate The maximum date that should be visible.
+ * @private
+ */
+Dygraph.prototype.doZoomXDates_ = function(minDate, maxDate) {
+  // TODO(danvk): when xAxisRange is null (i.e. "fit to data", the animation
+  // can produce strange effects. Rather than the x-axis transitioning slowly
+  // between values, it can jerk around.)
+  var old_window = this.xAxisRange();
+  var new_window = [minDate, maxDate];
+  this.zoomed_x_ = true;
+  var that = this;
+  this.doAnimatedZoom(old_window, new_window, null, null, function() {
+    if (that.getFunctionOption("zoomCallback")) {
+      that.getFunctionOption("zoomCallback").call(that,
+          minDate, maxDate, that.yAxisRanges());
+    }
+  });
+};
+
+/**
+ * Zoom to something containing [lowY, highY]. These are pixel coordinates in
+ * the canvas. This function redraws the graph.
+ *
+ * @param {number} lowY The topmost pixel value that should be visible.
+ * @param {number} highY The lowest pixel value that should be visible.
+ * @private
+ */
+Dygraph.prototype.doZoomY_ = function(lowY, highY) {
+  this.currentZoomRectArgs_ = null;
+  // Find the highest and lowest values in pixel range for each axis.
+  // Note that lowY (in pixels) corresponds to the max Value (in data coords).
+  // This is because pixels increase as you go down on the screen, whereas data
+  // coordinates increase as you go up the screen.
+  var oldValueRanges = this.yAxisRanges();
+  var newValueRanges = [];
+  for (var i = 0; i < this.axes_.length; i++) {
+    var hi = this.toDataYCoord(lowY, i);
+    var low = this.toDataYCoord(highY, i);
+    newValueRanges.push([low, hi]);
+  }
+
+  this.zoomed_y_ = true;
+  var that = this;
+  this.doAnimatedZoom(null, null, oldValueRanges, newValueRanges, function() {
+    if (that.getFunctionOption("zoomCallback")) {
+      var xRange = that.xAxisRange();
+      that.getFunctionOption("zoomCallback").call(that,
+          xRange[0], xRange[1], that.yAxisRanges());
+    }
+  });
+};
+
+/**
+ * Transition function to use in animations. Returns values between 0.0
+ * (totally old values) and 1.0 (totally new values) for each frame.
+ * @private
+ */
+Dygraph.zoomAnimationFunction = function(frame, numFrames) {
+  var k = 1.5;
+  return (1.0 - Math.pow(k, -frame)) / (1.0 - Math.pow(k, -numFrames));
+};
+
+/**
+ * Reset the zoom to the original view coordinates. This is the same as
+ * double-clicking on the graph.
+ */
+Dygraph.prototype.resetZoom = function() {
+  var dirty = false, dirtyX = false, dirtyY = false;
+  if (this.dateWindow_ !== null) {
+    dirty = true;
+    dirtyX = true;
+  }
+
+  for (var i = 0; i < this.axes_.length; i++) {
+    if (typeof(this.axes_[i].valueWindow) !== 'undefined' && this.axes_[i].valueWindow !== null) {
+      dirty = true;
+      dirtyY = true;
+    }
+  }
+
+  // Clear any selection, since it's likely to be drawn in the wrong place.
+  this.clearSelection();
+
+  if (dirty) {
+    this.zoomed_x_ = false;
+    this.zoomed_y_ = false;
+
+    var minDate = this.rawData_[0][0];
+    var maxDate = this.rawData_[this.rawData_.length - 1][0];
+
+    // With only one frame, don't bother calculating extreme ranges.
+    // TODO(danvk): merge this block w/ the code below.
+    if (!this.getBooleanOption("animatedZooms")) {
+      this.dateWindow_ = null;
+      for (i = 0; i < this.axes_.length; i++) {
+        if (this.axes_[i].valueWindow !== null) {
+          delete this.axes_[i].valueWindow;
+        }
+      }
+      this.drawGraph_();
+      if (this.getFunctionOption("zoomCallback")) {
+        this.getFunctionOption("zoomCallback").call(this,
+            minDate, maxDate, this.yAxisRanges());
+      }
+      return;
+    }
+
+    var oldWindow=null, newWindow=null, oldValueRanges=null, newValueRanges=null;
+    if (dirtyX) {
+      oldWindow = this.xAxisRange();
+      newWindow = [minDate, maxDate];
+    }
+
+    if (dirtyY) {
+      oldValueRanges = this.yAxisRanges();
+      // TODO(danvk): this is pretty inefficient
+      var packed = this.gatherDatasets_(this.rolledSeries_, null);
+      var extremes = packed.extremes;
+
+      // this has the side-effect of modifying this.axes_.
+      // this doesn't make much sense in this context, but it's convenient (we
+      // need this.axes_[*].extremeValues) and not harmful since we'll be
+      // calling drawGraph_ shortly, which clobbers these values.
+      this.computeYAxisRanges_(extremes);
+
+      newValueRanges = [];
+      for (i = 0; i < this.axes_.length; i++) {
+        var axis = this.axes_[i];
+        newValueRanges.push((axis.valueRange !== null &&
+                             axis.valueRange !== undefined) ?
+                            axis.valueRange : axis.extremeRange);
+      }
+    }
+
+    var that = this;
+    this.doAnimatedZoom(oldWindow, newWindow, oldValueRanges, newValueRanges,
+        function() {
+          that.dateWindow_ = null;
+          for (var i = 0; i < that.axes_.length; i++) {
+            if (that.axes_[i].valueWindow !== null) {
+              delete that.axes_[i].valueWindow;
+            }
+          }
+          if (that.getFunctionOption("zoomCallback")) {
+            that.getFunctionOption("zoomCallback").call(that,
+                minDate, maxDate, that.yAxisRanges());
+          }
+        });
+  }
+};
+
+/**
+ * Combined animation logic for all zoom functions.
+ * either the x parameters or y parameters may be null.
+ * @private
+ */
+Dygraph.prototype.doAnimatedZoom = function(oldXRange, newXRange, oldYRanges, newYRanges, callback) {
+  var steps = this.getBooleanOption("animatedZooms") ?
+      Dygraph.ANIMATION_STEPS : 1;
+
+  var windows = [];
+  var valueRanges = [];
+  var step, frac;
+
+  if (oldXRange !== null && newXRange !== null) {
+    for (step = 1; step <= steps; step++) {
+      frac = Dygraph.zoomAnimationFunction(step, steps);
+      windows[step-1] = [oldXRange[0]*(1-frac) + frac*newXRange[0],
+                         oldXRange[1]*(1-frac) + frac*newXRange[1]];
+    }
+  }
+
+  if (oldYRanges !== null && newYRanges !== null) {
+    for (step = 1; step <= steps; step++) {
+      frac = Dygraph.zoomAnimationFunction(step, steps);
+      var thisRange = [];
+      for (var j = 0; j < this.axes_.length; j++) {
+        thisRange.push([oldYRanges[j][0]*(1-frac) + frac*newYRanges[j][0],
+                        oldYRanges[j][1]*(1-frac) + frac*newYRanges[j][1]]);
+      }
+      valueRanges[step-1] = thisRange;
+    }
+  }
+
+  var that = this;
+  Dygraph.repeatAndCleanup(function(step) {
+    if (valueRanges.length) {
+      for (var i = 0; i < that.axes_.length; i++) {
+        var w = valueRanges[step][i];
+        that.axes_[i].valueWindow = [w[0], w[1]];
+      }
+    }
+    if (windows.length) {
+      that.dateWindow_ = windows[step];
+    }
+    that.drawGraph_();
+  }, steps, Dygraph.ANIMATION_DURATION / steps, callback);
+};
+
+/**
+ * Get the current graph's area object.
+ *
+ * Returns: {x, y, w, h}
+ */
+Dygraph.prototype.getArea = function() {
+  return this.plotter_.area;
+};
+
+/**
+ * Convert a mouse event to DOM coordinates relative to the graph origin.
+ *
+ * Returns a two-element array: [X, Y].
+ */
+Dygraph.prototype.eventToDomCoords = function(event) {
+  if (event.offsetX && event.offsetY) {
+    return [ event.offsetX, event.offsetY ];
+  } else {
+    var eventElementPos = Dygraph.findPos(this.mouseEventElement_);
+    var canvasx = Dygraph.pageX(event) - eventElementPos.x;
+    var canvasy = Dygraph.pageY(event) - eventElementPos.y;
+    return [canvasx, canvasy];
+  }
+};
+
+/**
+ * Given a canvas X coordinate, find the closest row.
+ * @param {number} domX graph-relative DOM X coordinate
+ * Returns {number} row number.
+ * @private
+ */
+Dygraph.prototype.findClosestRow = function(domX) {
+  var minDistX = Infinity;
+  var closestRow = -1;
+  var sets = this.layout_.points;
+  for (var i = 0; i < sets.length; i++) {
+    var points = sets[i];
+    var len = points.length;
+    for (var j = 0; j < len; j++) {
+      var point = points[j];
+      if (!Dygraph.isValidPoint(point, true)) continue;
+      var dist = Math.abs(point.canvasx - domX);
+      if (dist < minDistX) {
+        minDistX = dist;
+        closestRow = point.idx;
+      }
+    }
+  }
+
+  return closestRow;
+};
+
+/**
+ * Given canvas X,Y coordinates, find the closest point.
+ *
+ * This finds the individual data point across all visible series
+ * that's closest to the supplied DOM coordinates using the standard
+ * Euclidean X,Y distance.
+ *
+ * @param {number} domX graph-relative DOM X coordinate
+ * @param {number} domY graph-relative DOM Y coordinate
+ * Returns: {row, seriesName, point}
+ * @private
+ */
+Dygraph.prototype.findClosestPoint = function(domX, domY) {
+  var minDist = Infinity;
+  var dist, dx, dy, point, closestPoint, closestSeries, closestRow;
+  for ( var setIdx = this.layout_.points.length - 1 ; setIdx >= 0 ; --setIdx ) {
+    var points = this.layout_.points[setIdx];
+    for (var i = 0; i < points.length; ++i) {
+      point = points[i];
+      if (!Dygraph.isValidPoint(point)) continue;
+      dx = point.canvasx - domX;
+      dy = point.canvasy - domY;
+      dist = dx * dx + dy * dy;
+      if (dist < minDist) {
+        minDist = dist;
+        closestPoint = point;
+        closestSeries = setIdx;
+        closestRow = point.idx;
+      }
+    }
+  }
+  var name = this.layout_.setNames[closestSeries];
+  return {
+    row: closestRow,
+    seriesName: name,
+    point: closestPoint
+  };
+};
+
+/**
+ * Given canvas X,Y coordinates, find the touched area in a stacked graph.
+ *
+ * This first finds the X data point closest to the supplied DOM X coordinate,
+ * then finds the series which puts the Y coordinate on top of its filled area,
+ * using linear interpolation between adjacent point pairs.
+ *
+ * @param {number} domX graph-relative DOM X coordinate
+ * @param {number} domY graph-relative DOM Y coordinate
+ * Returns: {row, seriesName, point}
+ * @private
+ */
+Dygraph.prototype.findStackedPoint = function(domX, domY) {
+  var row = this.findClosestRow(domX);
+  var closestPoint, closestSeries;
+  for (var setIdx = 0; setIdx < this.layout_.points.length; ++setIdx) {
+    var boundary = this.getLeftBoundary_(setIdx);
+    var rowIdx = row - boundary;
+    var points = this.layout_.points[setIdx];
+    if (rowIdx >= points.length) continue;
+    var p1 = points[rowIdx];
+    if (!Dygraph.isValidPoint(p1)) continue;
+    var py = p1.canvasy;
+    if (domX > p1.canvasx && rowIdx + 1 < points.length) {
+      // interpolate series Y value using next point
+      var p2 = points[rowIdx + 1];
+      if (Dygraph.isValidPoint(p2)) {
+        var dx = p2.canvasx - p1.canvasx;
+        if (dx > 0) {
+          var r = (domX - p1.canvasx) / dx;
+          py += r * (p2.canvasy - p1.canvasy);
+        }
+      }
+    } else if (domX < p1.canvasx && rowIdx > 0) {
+      // interpolate series Y value using previous point
+      var p0 = points[rowIdx - 1];
+      if (Dygraph.isValidPoint(p0)) {
+        var dx = p1.canvasx - p0.canvasx;
+        if (dx > 0) {
+          var r = (p1.canvasx - domX) / dx;
+          py += r * (p0.canvasy - p1.canvasy);
+        }
+      }
+    }
+    // Stop if the point (domX, py) is above this series' upper edge
+    if (setIdx === 0 || py < domY) {
+      closestPoint = p1;
+      closestSeries = setIdx;
+    }
+  }
+  var name = this.layout_.setNames[closestSeries];
+  return {
+    row: row,
+    seriesName: name,
+    point: closestPoint
+  };
+};
+
+/**
+ * When the mouse moves in the canvas, display information about a nearby data
+ * point and draw dots over those points in the data series. This function
+ * takes care of cleanup of previously-drawn dots.
+ * @param {Object} event The mousemove event from the browser.
+ * @private
+ */
+Dygraph.prototype.mouseMove_ = function(event) {
+  // This prevents JS errors when mousing over the canvas before data loads.
+  var points = this.layout_.points;
+  if (points === undefined || points === null) return;
+
+  var canvasCoords = this.eventToDomCoords(event);
+  var canvasx = canvasCoords[0];
+  var canvasy = canvasCoords[1];
+
+  var highlightSeriesOpts = this.getOption("highlightSeriesOpts");
+  var selectionChanged = false;
+  if (highlightSeriesOpts && !this.isSeriesLocked()) {
+    var closest;
+    if (this.getBooleanOption("stackedGraph")) {
+      closest = this.findStackedPoint(canvasx, canvasy);
+    } else {
+      closest = this.findClosestPoint(canvasx, canvasy);
+    }
+    selectionChanged = this.setSelection(closest.row, closest.seriesName);
+  } else {
+    var idx = this.findClosestRow(canvasx);
+    selectionChanged = this.setSelection(idx);
+  }
+
+  var callback = this.getFunctionOption("highlightCallback");
+  if (callback && selectionChanged) {
+    callback.call(this, event,
+        this.lastx_,
+        this.selPoints_,
+        this.lastRow_,
+        this.highlightSet_);
+  }
+};
+
+/**
+ * Fetch left offset from the specified set index or if not passed, the 
+ * first defined boundaryIds record (see bug #236).
+ * @private
+ */
+Dygraph.prototype.getLeftBoundary_ = function(setIdx) {
+  if (this.boundaryIds_[setIdx]) {
+      return this.boundaryIds_[setIdx][0];
+  } else {
+    for (var i = 0; i < this.boundaryIds_.length; i++) {
+      if (this.boundaryIds_[i] !== undefined) {
+        return this.boundaryIds_[i][0];
+      }
+    }
+    return 0;
+  }
+};
+
+Dygraph.prototype.animateSelection_ = function(direction) {
+  var totalSteps = 10;
+  var millis = 30;
+  if (this.fadeLevel === undefined) this.fadeLevel = 0;
+  if (this.animateId === undefined) this.animateId = 0;
+  var start = this.fadeLevel;
+  var steps = direction < 0 ? start : totalSteps - start;
+  if (steps <= 0) {
+    if (this.fadeLevel) {
+      this.updateSelection_(1.0);
+    }
+    return;
+  }
+
+  var thisId = ++this.animateId;
+  var that = this;
+  Dygraph.repeatAndCleanup(
+    function(n) {
+      // ignore simultaneous animations
+      if (that.animateId != thisId) return;
+
+      that.fadeLevel += direction;
+      if (that.fadeLevel === 0) {
+        that.clearSelection();
+      } else {
+        that.updateSelection_(that.fadeLevel / totalSteps);
+      }
+    },
+    steps, millis, function() {});
+};
+
+/**
+ * Draw dots over the selectied points in the data series. This function
+ * takes care of cleanup of previously-drawn dots.
+ * @private
+ */
+Dygraph.prototype.updateSelection_ = function(opt_animFraction) {
+  /*var defaultPrevented = */
+  this.cascadeEvents_('select', {
+    selectedX: this.lastx_,
+    selectedPoints: this.selPoints_
+  });
+  // TODO(danvk): use defaultPrevented here?
+
+  // Clear the previously drawn vertical, if there is one
+  var i;
+  var ctx = this.canvas_ctx_;
+  if (this.getOption('highlightSeriesOpts')) {
+    ctx.clearRect(0, 0, this.width_, this.height_);
+    var alpha = 1.0 - this.getNumericOption('highlightSeriesBackgroundAlpha');
+    if (alpha) {
+      // Activating background fade includes an animation effect for a gradual
+      // fade. TODO(klausw): make this independently configurable if it causes
+      // issues? Use a shared preference to control animations?
+      var animateBackgroundFade = true;
+      if (animateBackgroundFade) {
+        if (opt_animFraction === undefined) {
+          // start a new animation
+          this.animateSelection_(1);
+          return;
+        }
+        alpha *= opt_animFraction;
+      }
+      ctx.fillStyle = 'rgba(255,255,255,' + alpha + ')';
+      ctx.fillRect(0, 0, this.width_, this.height_);
+    }
+
+    // Redraw only the highlighted series in the interactive canvas (not the
+    // static plot canvas, which is where series are usually drawn).
+    this.plotter_._renderLineChart(this.highlightSet_, ctx);
+  } else if (this.previousVerticalX_ >= 0) {
+    // Determine the maximum highlight circle size.
+    var maxCircleSize = 0;
+    var labels = this.attr_('labels');
+    for (i = 1; i < labels.length; i++) {
+      var r = this.getNumericOption('highlightCircleSize', labels[i]);
+      if (r > maxCircleSize) maxCircleSize = r;
+    }
+    var px = this.previousVerticalX_;
+    ctx.clearRect(px - maxCircleSize - 1, 0,
+                  2 * maxCircleSize + 2, this.height_);
+  }
+
+  if (this.isUsingExcanvas_ && this.currentZoomRectArgs_) {
+    Dygraph.prototype.drawZoomRect_.apply(this, this.currentZoomRectArgs_);
+  }
+
+  if (this.selPoints_.length > 0) {
+    // Draw colored circles over the center of each selected point
+    var canvasx = this.selPoints_[0].canvasx;
+    ctx.save();
+    for (i = 0; i < this.selPoints_.length; i++) {
+      var pt = this.selPoints_[i];
+      if (!Dygraph.isOK(pt.canvasy)) continue;
+
+      var circleSize = this.getNumericOption('highlightCircleSize', pt.name);
+      var callback = this.getFunctionOption("drawHighlightPointCallback", pt.name);
+      var color = this.plotter_.colors[pt.name];
+      if (!callback) {
+        callback = Dygraph.Circles.DEFAULT;
+      }
+      ctx.lineWidth = this.getNumericOption('strokeWidth', pt.name);
+      ctx.strokeStyle = color;
+      ctx.fillStyle = color;
+      callback.call(this, this, pt.name, ctx, canvasx, pt.canvasy,
+          color, circleSize, pt.idx);
+    }
+    ctx.restore();
+
+    this.previousVerticalX_ = canvasx;
+  }
+};
+
+/**
+ * Manually set the selected points and display information about them in the
+ * legend. The selection can be cleared using clearSelection() and queried
+ * using getSelection().
+ * @param {number} row Row number that should be highlighted (i.e. appear with
+ * hover dots on the chart).
+ * @param {seriesName} optional series name to highlight that series with the
+ * the highlightSeriesOpts setting.
+ * @param { locked } optional If true, keep seriesName selected when mousing
+ * over the graph, disabling closest-series highlighting. Call clearSelection()
+ * to unlock it.
+ */
+Dygraph.prototype.setSelection = function(row, opt_seriesName, opt_locked) {
+  // Extract the points we've selected
+  this.selPoints_ = [];
+
+  var changed = false;
+  if (row !== false && row >= 0) {
+    if (row != this.lastRow_) changed = true;
+    this.lastRow_ = row;
+    for (var setIdx = 0; setIdx < this.layout_.points.length; ++setIdx) {
+      var points = this.layout_.points[setIdx];
+      // Check if the point at the appropriate index is the point we're looking
+      // for.  If it is, just use it, otherwise search the array for a point
+      // in the proper place.
+      var setRow = row - this.getLeftBoundary_(setIdx);
+      if (setRow < points.length && points[setRow].idx == row) {
+        var point = points[setRow];
+        if (point.yval !== null) this.selPoints_.push(point);
+      } else {
+        for (var pointIdx = 0; pointIdx < points.length; ++pointIdx) {
+          var point = points[pointIdx];
+          if (point.idx == row) {
+            if (point.yval !== null) {
+              this.selPoints_.push(point);
+            }
+            break;
+          }
+        }
+      }
+    }
+  } else {
+    if (this.lastRow_ >= 0) changed = true;
+    this.lastRow_ = -1;
+  }
+
+  if (this.selPoints_.length) {
+    this.lastx_ = this.selPoints_[0].xval;
+  } else {
+    this.lastx_ = -1;
+  }
+
+  if (opt_seriesName !== undefined) {
+    if (this.highlightSet_ !== opt_seriesName) changed = true;
+    this.highlightSet_ = opt_seriesName;
+  }
+
+  if (opt_locked !== undefined) {
+    this.lockedSet_ = opt_locked;
+  }
+
+  if (changed) {
+    this.updateSelection_(undefined);
+  }
+  return changed;
+};
+
+/**
+ * The mouse has left the canvas. Clear out whatever artifacts remain
+ * @param {Object} event the mouseout event from the browser.
+ * @private
+ */
+Dygraph.prototype.mouseOut_ = function(event) {
+  if (this.getFunctionOption("unhighlightCallback")) {
+    this.getFunctionOption("unhighlightCallback").call(this, event);
+  }
+
+  if (this.getBooleanOption("hideOverlayOnMouseOut") && !this.lockedSet_) {
+    this.clearSelection();
+  }
+};
+
+/**
+ * Clears the current selection (i.e. points that were highlighted by moving
+ * the mouse over the chart).
+ */
+Dygraph.prototype.clearSelection = function() {
+  this.cascadeEvents_('deselect', {});
+
+  this.lockedSet_ = false;
+  // Get rid of the overlay data
+  if (this.fadeLevel) {
+    this.animateSelection_(-1);
+    return;
+  }
+  this.canvas_ctx_.clearRect(0, 0, this.width_, this.height_);
+  this.fadeLevel = 0;
+  this.selPoints_ = [];
+  this.lastx_ = -1;
+  this.lastRow_ = -1;
+  this.highlightSet_ = null;
+};
+
+/**
+ * Returns the number of the currently selected row. To get data for this row,
+ * you can use the getValue method.
+ * @return {number} row number, or -1 if nothing is selected
+ */
+Dygraph.prototype.getSelection = function() {
+  if (!this.selPoints_ || this.selPoints_.length < 1) {
+    return -1;
+  }
+
+  for (var setIdx = 0; setIdx < this.layout_.points.length; setIdx++) {
+    var points = this.layout_.points[setIdx];
+    for (var row = 0; row < points.length; row++) {
+      if (points[row].x == this.selPoints_[0].x) {
+        return points[row].idx;
+      }
+    }
+  }
+  return -1;
+};
+
+/**
+ * Returns the name of the currently-highlighted series.
+ * Only available when the highlightSeriesOpts option is in use.
+ */
+Dygraph.prototype.getHighlightSeries = function() {
+  return this.highlightSet_;
+};
+
+/**
+ * Returns true if the currently-highlighted series was locked
+ * via setSelection(..., seriesName, true).
+ */
+Dygraph.prototype.isSeriesLocked = function() {
+  return this.lockedSet_;
+};
+
+/**
+ * Fires when there's data available to be graphed.
+ * @param {string} data Raw CSV data to be plotted
+ * @private
+ */
+Dygraph.prototype.loadedEvent_ = function(data) {
+  this.rawData_ = this.parseCSV_(data);
+  this.cascadeDataDidUpdateEvent_();
+  this.predraw_();
+};
+
+/**
+ * Add ticks on the x-axis representing years, months, quarters, weeks, or days
+ * @private
+ */
+Dygraph.prototype.addXTicks_ = function() {
+  // Determine the correct ticks scale on the x-axis: quarterly, monthly, ...
+  var range;
+  if (this.dateWindow_) {
+    range = [this.dateWindow_[0], this.dateWindow_[1]];
+  } else {
+    range = this.xAxisExtremes();
+  }
+
+  var xAxisOptionsView = this.optionsViewForAxis_('x');
+  var xTicks = xAxisOptionsView('ticker')(
+      range[0],
+      range[1],
+      this.plotter_.area.w,  // TODO(danvk): should be area.width
+      xAxisOptionsView,
+      this);
+  // var msg = 'ticker(' + range[0] + ', ' + range[1] + ', ' + this.width_ + ', ' + this.attr_('pixelsPerXLabel') + ') -> ' + JSON.stringify(xTicks);
+  // console.log(msg);
+  this.layout_.setXTicks(xTicks);
+};
+
+/**
+ * Returns the correct handler class for the currently set options.
+ * @private
+ */
+Dygraph.prototype.getHandlerClass_ = function() {
+  var handlerClass;
+  if (this.attr_('dataHandler')) {
+    handlerClass =  this.attr_('dataHandler');
+  } else if (this.fractions_) {
+    if (this.getBooleanOption('errorBars')) {
+      handlerClass = Dygraph.DataHandlers.FractionsBarsHandler;
+    } else {
+      handlerClass = Dygraph.DataHandlers.DefaultFractionHandler;
+    }
+  } else if (this.getBooleanOption('customBars')) {
+    handlerClass = Dygraph.DataHandlers.CustomBarsHandler;
+  } else if (this.getBooleanOption('errorBars')) {
+    handlerClass = Dygraph.DataHandlers.ErrorBarsHandler;
+  } else {
+    handlerClass = Dygraph.DataHandlers.DefaultHandler;
+  }
+  return handlerClass;
+};
+
+/**
+ * @private
+ * This function is called once when the chart's data is changed or the options
+ * dictionary is updated. It is _not_ called when the user pans or zooms. The
+ * idea is that values derived from the chart's data can be computed here,
+ * rather than every time the chart is drawn. This includes things like the
+ * number of axes, rolling averages, etc.
+ */
+Dygraph.prototype.predraw_ = function() {
+  var start = new Date();
+  
+  // Create the correct dataHandler
+  this.dataHandler_ = new (this.getHandlerClass_())();
+
+  this.layout_.computePlotArea();
+
+  // TODO(danvk): move more computations out of drawGraph_ and into here.
+  this.computeYAxes_();
+
+  if (!this.is_initial_draw_) {
+    this.canvas_ctx_.restore();
+    this.hidden_ctx_.restore();
+  }
+
+  this.canvas_ctx_.save();
+  this.hidden_ctx_.save();
+
+  // Create a new plotter.
+  this.plotter_ = new DygraphCanvasRenderer(this,
+                                            this.hidden_,
+                                            this.hidden_ctx_,
+                                            this.layout_);
+
+  // The roller sits in the bottom left corner of the chart. We don't know where
+  // this will be until the options are available, so it's positioned here.
+  this.createRollInterface_();
+
+  this.cascadeEvents_('predraw');
+
+  // Convert the raw data (a 2D array) into the internal format and compute
+  // rolling averages.
+  this.rolledSeries_ = [null];  // x-axis is the first series and it's special
+  for (var i = 1; i < this.numColumns(); i++) {
+    // var logScale = this.attr_('logscale', i); // TODO(klausw): this looks wrong // konigsberg thinks so too.
+    var series = this.dataHandler_.extractSeries(this.rawData_, i, this.attributes_);
+    if (this.rollPeriod_ > 1) {
+      series = this.dataHandler_.rollingAverage(series, this.rollPeriod_, this.attributes_);
+    }
+    
+    this.rolledSeries_.push(series);
+  }
+
+  // If the data or options have changed, then we'd better redraw.
+  this.drawGraph_();
+
+  // This is used to determine whether to do various animations.
+  var end = new Date();
+  this.drawingTimeMs_ = (end - start);
+};
+
+/**
+ * Point structure.
+ *
+ * xval_* and yval_* are the original unscaled data values,
+ * while x_* and y_* are scaled to the range (0.0-1.0) for plotting.
+ * yval_stacked is the cumulative Y value used for stacking graphs,
+ * and bottom/top/minus/plus are used for error bar graphs.
+ *
+ * @typedef {{
+ *     idx: number,
+ *     name: string,
+ *     x: ?number,
+ *     xval: ?number,
+ *     y_bottom: ?number,
+ *     y: ?number,
+ *     y_stacked: ?number,
+ *     y_top: ?number,
+ *     yval_minus: ?number,
+ *     yval: ?number,
+ *     yval_plus: ?number,
+ *     yval_stacked
+ * }}
+ */
+Dygraph.PointType = undefined;
+
+/**
+ * Calculates point stacking for stackedGraph=true.
+ *
+ * For stacking purposes, interpolate or extend neighboring data across
+ * NaN values based on stackedGraphNaNFill settings. This is for display
+ * only, the underlying data value as shown in the legend remains NaN.
+ *
+ * @param {Array.<Dygraph.PointType>} points Point array for a single series.
+ *     Updates each Point's yval_stacked property.
+ * @param {Array.<number>} cumulativeYval Accumulated top-of-graph stacked Y
+ *     values for the series seen so far. Index is the row number. Updated
+ *     based on the current series's values.
+ * @param {Array.<number>} seriesExtremes Min and max values, updated
+ *     to reflect the stacked values.
+ * @param {string} fillMethod Interpolation method, one of 'all', 'inside', or
+ *     'none'.
+ * @private
+ */
+Dygraph.stackPoints_ = function(
+    points, cumulativeYval, seriesExtremes, fillMethod) {
+  var lastXval = null;
+  var prevPoint = null;
+  var nextPoint = null;
+  var nextPointIdx = -1;
+
+  // Find the next stackable point starting from the given index.
+  var updateNextPoint = function(idx) {
+    // If we've previously found a non-NaN point and haven't gone past it yet,
+    // just use that.
+    if (nextPointIdx >= idx) return;
+
+    // We haven't found a non-NaN point yet or have moved past it,
+    // look towards the right to find a non-NaN point.
+    for (var j = idx; j < points.length; ++j) {
+      // Clear out a previously-found point (if any) since it's no longer
+      // valid, we shouldn't use it for interpolation anymore.
+      nextPoint = null;
+      if (!isNaN(points[j].yval) && points[j].yval !== null) {
+        nextPointIdx = j;
+        nextPoint = points[j];
+        break;
+      }
+    }
+  };
+
+  for (var i = 0; i < points.length; ++i) {
+    var point = points[i];
+    var xval = point.xval;
+    if (cumulativeYval[xval] === undefined) {
+      cumulativeYval[xval] = 0;
+    }
+
+    var actualYval = point.yval;
+    if (isNaN(actualYval) || actualYval === null) {
+      if(fillMethod == 'none') {
+        actualYval = 0;
+      } else {
+        // Interpolate/extend for stacking purposes if possible.
+        updateNextPoint(i);
+        if (prevPoint && nextPoint && fillMethod != 'none') {
+          // Use linear interpolation between prevPoint and nextPoint.
+          actualYval = prevPoint.yval + (nextPoint.yval - prevPoint.yval) *
+              ((xval - prevPoint.xval) / (nextPoint.xval - prevPoint.xval));
+        } else if (prevPoint && fillMethod == 'all') {
+          actualYval = prevPoint.yval;
+        } else if (nextPoint && fillMethod == 'all') {
+          actualYval = nextPoint.yval;
+        } else {
+          actualYval = 0;
+        }
+      }
+    } else {
+      prevPoint = point;
+    }
+
+    var stackedYval = cumulativeYval[xval];
+    if (lastXval != xval) {
+      // If an x-value is repeated, we ignore the duplicates.
+      stackedYval += actualYval;
+      cumulativeYval[xval] = stackedYval;
+    }
+    lastXval = xval;
+
+    point.yval_stacked = stackedYval;
+
+    if (stackedYval > seriesExtremes[1]) {
+      seriesExtremes[1] = stackedYval;
+    }
+    if (stackedYval < seriesExtremes[0]) {
+      seriesExtremes[0] = stackedYval;
+    }
+  }
+};
+
+
+/**
+ * Loop over all fields and create datasets, calculating extreme y-values for
+ * each series and extreme x-indices as we go.
+ *
+ * dateWindow is passed in as an explicit parameter so that we can compute
+ * extreme values "speculatively", i.e. without actually setting state on the
+ * dygraph.
+ *
+ * @param {Array.<Array.<Array.<(number|Array<number>)>>} rolledSeries, where
+ *     rolledSeries[seriesIndex][row] = raw point, where
+ *     seriesIndex is the column number starting with 1, and
+ *     rawPoint is [x,y] or [x, [y, err]] or [x, [y, yminus, yplus]].
+ * @param {?Array.<number>} dateWindow [xmin, xmax] pair, or null.
+ * @return {{
+ *     points: Array.<Array.<Dygraph.PointType>>,
+ *     seriesExtremes: Array.<Array.<number>>,
+ *     boundaryIds: Array.<number>}}
+ * @private
+ */
+Dygraph.prototype.gatherDatasets_ = function(rolledSeries, dateWindow) {
+  var boundaryIds = [];
+  var points = [];
+  var cumulativeYval = [];  // For stacked series.
+  var extremes = {};  // series name -> [low, high]
+  var seriesIdx, sampleIdx;
+  var firstIdx, lastIdx;
+  var axisIdx;
+  
+  // Loop over the fields (series).  Go from the last to the first,
+  // because if they're stacked that's how we accumulate the values.
+  var num_series = rolledSeries.length - 1;
+  var series;
+  for (seriesIdx = num_series; seriesIdx >= 1; seriesIdx--) {
+    if (!this.visibility()[seriesIdx - 1]) continue;
+
+    // Prune down to the desired range, if necessary (for zooming)
+    // Because there can be lines going to points outside of the visible area,
+    // we actually prune to visible points, plus one on either side.
+    if (dateWindow) {
+      series = rolledSeries[seriesIdx];
+      var low = dateWindow[0];
+      var high = dateWindow[1];
+
+      // TODO(danvk): do binary search instead of linear search.
+      // TODO(danvk): pass firstIdx and lastIdx directly to the renderer.
+      firstIdx = null; 
+      lastIdx = null;
+      for (sampleIdx = 0; sampleIdx < series.length; sampleIdx++) {
+        if (series[sampleIdx][0] >= low && firstIdx === null) {
+          firstIdx = sampleIdx;
+        }
+        if (series[sampleIdx][0] <= high) {
+          lastIdx = sampleIdx;
+        }
+      }
+
+      if (firstIdx === null) firstIdx = 0;
+      var correctedFirstIdx = firstIdx;
+      var isInvalidValue = true;
+      while (isInvalidValue && correctedFirstIdx > 0) {
+        correctedFirstIdx--;
+        // check if the y value is null.
+        isInvalidValue = series[correctedFirstIdx][1] === null;
+      }
+
+      if (lastIdx === null) lastIdx = series.length - 1;
+      var correctedLastIdx = lastIdx;
+      isInvalidValue = true;
+      while (isInvalidValue && correctedLastIdx < series.length - 1) {
+        correctedLastIdx++;
+        isInvalidValue = series[correctedLastIdx][1] === null;
+      }
+
+      if (correctedFirstIdx!==firstIdx) {
+        firstIdx = correctedFirstIdx;
+      }
+      if (correctedLastIdx !== lastIdx) {
+        lastIdx = correctedLastIdx;
+      }
+      
+      boundaryIds[seriesIdx-1] = [firstIdx, lastIdx];
+      
+      // .slice's end is exclusive, we want to include lastIdx.
+      series = series.slice(firstIdx, lastIdx + 1);
+    } else {
+      series = rolledSeries[seriesIdx];
+      boundaryIds[seriesIdx-1] = [0, series.length-1];
+    }
+
+    var seriesName = this.attr_("labels")[seriesIdx];
+    var seriesExtremes = this.dataHandler_.getExtremeYValues(series, 
+        dateWindow, this.getBooleanOption("stepPlot",seriesName));
+
+    var seriesPoints = this.dataHandler_.seriesToPoints(series, 
+        seriesName, boundaryIds[seriesIdx-1][0]);
+
+    if (this.getBooleanOption("stackedGraph")) {
+      axisIdx = this.attributes_.axisForSeries(seriesName);
+      if (cumulativeYval[axisIdx] === undefined) {
+        cumulativeYval[axisIdx] = [];
+      }
+      Dygraph.stackPoints_(seriesPoints, cumulativeYval[axisIdx], seriesExtremes,
+                           this.getBooleanOption("stackedGraphNaNFill"));
+    }
+
+    extremes[seriesName] = seriesExtremes;
+    points[seriesIdx] = seriesPoints;
+  }
+
+  return { points: points, extremes: extremes, boundaryIds: boundaryIds };
+};
+
+/**
+ * Update the graph with new data. This method is called when the viewing area
+ * has changed. If the underlying data or options have changed, predraw_ will
+ * be called before drawGraph_ is called.
+ *
+ * @private
+ */
+Dygraph.prototype.drawGraph_ = function() {
+  var start = new Date();
+
+  // This is used to set the second parameter to drawCallback, below.
+  var is_initial_draw = this.is_initial_draw_;
+  this.is_initial_draw_ = false;
+
+  this.layout_.removeAllDatasets();
+  this.setColors_();
+  this.attrs_.pointSize = 0.5 * this.getNumericOption('highlightCircleSize');
+
+  var packed = this.gatherDatasets_(this.rolledSeries_, this.dateWindow_);
+  var points = packed.points;
+  var extremes = packed.extremes;
+  this.boundaryIds_ = packed.boundaryIds;
+
+  this.setIndexByName_ = {};
+  var labels = this.attr_("labels");
+  if (labels.length > 0) {
+    this.setIndexByName_[labels[0]] = 0;
+  }
+  var dataIdx = 0;
+  for (var i = 1; i < points.length; i++) {
+    this.setIndexByName_[labels[i]] = i;
+    if (!this.visibility()[i - 1]) continue;
+    this.layout_.addDataset(labels[i], points[i]);
+    this.datasetIndex_[i] = dataIdx++;
+  }
+
+  this.computeYAxisRanges_(extremes);
+  this.layout_.setYAxes(this.axes_);
+
+  this.addXTicks_();
+
+  // Save the X axis zoomed status as the updateOptions call will tend to set it erroneously
+  var tmp_zoomed_x = this.zoomed_x_;
+  // Tell PlotKit to use this new data and render itself
+  this.zoomed_x_ = tmp_zoomed_x;
+  this.layout_.evaluate();
+  this.renderGraph_(is_initial_draw);
+
+  if (this.getStringOption("timingName")) {
+    var end = new Date();
+    console.log(this.getStringOption("timingName") + " - drawGraph: " + (end - start) + "ms");
+  }
+};
+
+/**
+ * This does the work of drawing the chart. It assumes that the layout and axis
+ * scales have already been set (e.g. by predraw_).
+ *
+ * @private
+ */
+Dygraph.prototype.renderGraph_ = function(is_initial_draw) {
+  this.cascadeEvents_('clearChart');
+  this.plotter_.clear();
+
+  if (this.getFunctionOption('underlayCallback')) {
+    // NOTE: we pass the dygraph object to this callback twice to avoid breaking
+    // users who expect a deprecated form of this callback.
+    this.getFunctionOption('underlayCallback').call(this,
+        this.hidden_ctx_, this.layout_.getPlotArea(), this, this);
+  }
+
+  var e = {
+    canvas: this.hidden_,
+    drawingContext: this.hidden_ctx_
+  };
+  this.cascadeEvents_('willDrawChart', e);
+  this.plotter_.render();
+  this.cascadeEvents_('didDrawChart', e);
+  this.lastRow_ = -1;  // because plugins/legend.js clears the legend
+
+  // TODO(danvk): is this a performance bottleneck when panning?
+  // The interaction canvas should already be empty in that situation.
+  this.canvas_.getContext('2d').clearRect(0, 0, this.width_, this.height_);
+
+  if (this.getFunctionOption("drawCallback") !== null) {
+    this.getFunctionOption("drawCallback")(this, is_initial_draw);
+  }
+  if (is_initial_draw) {
+    this.readyFired_ = true;
+    while (this.readyFns_.length > 0) {
+      var fn = this.readyFns_.pop();
+      fn(this);
+    }
+  }
+};
+
+/**
+ * @private
+ * Determine properties of the y-axes which are independent of the data
+ * currently being displayed. This includes things like the number of axes and
+ * the style of the axes. It does not include the range of each axis and its
+ * tick marks.
+ * This fills in this.axes_.
+ * axes_ = [ { options } ]
+ *   indices are into the axes_ array.
+ */
+Dygraph.prototype.computeYAxes_ = function() {
+  // Preserve valueWindow settings if they exist, and if the user hasn't
+  // specified a new valueRange.
+  var valueWindows, axis, index, opts, v;
+  if (this.axes_ !== undefined && this.user_attrs_.hasOwnProperty("valueRange") === false) {
+    valueWindows = [];
+    for (index = 0; index < this.axes_.length; index++) {
+      valueWindows.push(this.axes_[index].valueWindow);
+    }
+  }
+
+  // this.axes_ doesn't match this.attributes_.axes_.options. It's used for
+  // data computation as well as options storage.
+  // Go through once and add all the axes.
+  this.axes_ = [];
+
+  for (axis = 0; axis < this.attributes_.numAxes(); axis++) {
+    // Add a new axis, making a copy of its per-axis options.
+    opts = { g : this };
+    Dygraph.update(opts, this.attributes_.axisOptions(axis));
+    this.axes_[axis] = opts;
+  }
+
+
+  // Copy global valueRange option over to the first axis.
+  // NOTE(konigsberg): Are these two statements necessary?
+  // I tried removing it. The automated tests pass, and manually
+  // messing with tests/zoom.html showed no trouble.
+  v = this.attr_('valueRange');
+  if (v) this.axes_[0].valueRange = v;
+
+  if (valueWindows !== undefined) {
+    // Restore valueWindow settings.
+
+    // When going from two axes back to one, we only restore
+    // one axis.
+    var idxCount = Math.min(valueWindows.length, this.axes_.length);
+
+    for (index = 0; index < idxCount; index++) {
+      this.axes_[index].valueWindow = valueWindows[index];
+    }
+  }
+
+  for (axis = 0; axis < this.axes_.length; axis++) {
+    if (axis === 0) {
+      opts = this.optionsViewForAxis_('y' + (axis ? '2' : ''));
+      v = opts("valueRange");
+      if (v) this.axes_[axis].valueRange = v;
+    } else {  // To keep old behavior
+      var axes = this.user_attrs_.axes;
+      if (axes && axes.y2) {
+        v = axes.y2.valueRange;
+        if (v) this.axes_[axis].valueRange = v;
+      }
+    }
+  }
+};
+
+/**
+ * Returns the number of y-axes on the chart.
+ * @return {number} the number of axes.
+ */
+Dygraph.prototype.numAxes = function() {
+  return this.attributes_.numAxes();
+};
+
+/**
+ * @private
+ * Returns axis properties for the given series.
+ * @param {string} setName The name of the series for which to get axis
+ * properties, e.g. 'Y1'.
+ * @return {Object} The axis properties.
+ */
+Dygraph.prototype.axisPropertiesForSeries = function(series) {
+  // TODO(danvk): handle errors.
+  return this.axes_[this.attributes_.axisForSeries(series)];
+};
+
+/**
+ * @private
+ * Determine the value range and tick marks for each axis.
+ * @param {Object} extremes A mapping from seriesName -> [low, high]
+ * This fills in the valueRange and ticks fields in each entry of this.axes_.
+ */
+Dygraph.prototype.computeYAxisRanges_ = function(extremes) {
+  var isNullUndefinedOrNaN = function(num) {
+    return isNaN(parseFloat(num));
+  };
+  var numAxes = this.attributes_.numAxes();
+  var ypadCompat, span, series, ypad;
+  
+  var p_axis;
+
+  // Compute extreme values, a span and tick marks for each axis.
+  for (var i = 0; i < numAxes; i++) {
+    var axis = this.axes_[i];
+    var logscale = this.attributes_.getForAxis("logscale", i);
+    var includeZero = this.attributes_.getForAxis("includeZero", i);
+    var independentTicks = this.attributes_.getForAxis("independentTicks", i);
+    series = this.attributes_.seriesForAxis(i);
+
+    // Add some padding. This supports two Y padding operation modes:
+    //
+    // - backwards compatible (yRangePad not set):
+    //   10% padding for automatic Y ranges, but not for user-supplied
+    //   ranges, and move a close-to-zero edge to zero except if
+    //   avoidMinZero is set, since drawing at the edge results in
+    //   invisible lines. Unfortunately lines drawn at the edge of a
+    //   user-supplied range will still be invisible. If logscale is
+    //   set, add a variable amount of padding at the top but
+    //   none at the bottom.
+    //
+    // - new-style (yRangePad set by the user):
+    //   always add the specified Y padding.
+    //
+    ypadCompat = true;
+    ypad = 0.1; // add 10%
+    if (this.getNumericOption('yRangePad') !== null) {
+      ypadCompat = false;
+      // Convert pixel padding to ratio
+      ypad = this.getNumericOption('yRangePad') / this.plotter_.area.h;
+    }
+
+    if (series.length === 0) {
+      // If no series are defined or visible then use a reasonable default
+      axis.extremeRange = [0, 1];
+    } else {
+      // Calculate the extremes of extremes.
+      var minY = Infinity;  // extremes[series[0]][0];
+      var maxY = -Infinity;  // extremes[series[0]][1];
+      var extremeMinY, extremeMaxY;
+
+      for (var j = 0; j < series.length; j++) {
+        // this skips invisible series
+        if (!extremes.hasOwnProperty(series[j])) continue;
+
+        // Only use valid extremes to stop null data series' from corrupting the scale.
+        extremeMinY = extremes[series[j]][0];
+        if (extremeMinY !== null) {
+          minY = Math.min(extremeMinY, minY);
+        }
+        extremeMaxY = extremes[series[j]][1];
+        if (extremeMaxY !== null) {
+          maxY = Math.max(extremeMaxY, maxY);
+        }
+      }
+
+      // Include zero if requested by the user.
+      if (includeZero && !logscale) {
+        if (minY > 0) minY = 0;
+        if (maxY < 0) maxY = 0;
+      }
+
+      // Ensure we have a valid scale, otherwise default to [0, 1] for safety.
+      if (minY == Infinity) minY = 0;
+      if (maxY == -Infinity) maxY = 1;
+
+      span = maxY - minY;
+      // special case: if we have no sense of scale, center on the sole value.
+      if (span === 0) {
+        if (maxY !== 0) {
+          span = Math.abs(maxY);
+        } else {
+          // ... and if the sole value is zero, use range 0-1.
+          maxY = 1;
+          span = 1;
+        }
+      }
+
+      var maxAxisY, minAxisY;
+      if (logscale) {
+        if (ypadCompat) {
+          maxAxisY = maxY + ypad * span;
+          minAxisY = minY;
+        } else {
+          var logpad = Math.exp(Math.log(span) * ypad);
+          maxAxisY = maxY * logpad;
+          minAxisY = minY / logpad;
+        }
+      } else {
+        maxAxisY = maxY + ypad * span;
+        minAxisY = minY - ypad * span;
+
+        // Backwards-compatible behavior: Move the span to start or end at zero if it's
+        // close to zero, but not if avoidMinZero is set.
+        if (ypadCompat && !this.getBooleanOption("avoidMinZero")) {
+          if (minAxisY < 0 && minY >= 0) minAxisY = 0;
+          if (maxAxisY > 0 && maxY <= 0) maxAxisY = 0;
+        }
+      }
+      axis.extremeRange = [minAxisY, maxAxisY];
+    }
+    if (axis.valueWindow) {
+      // This is only set if the user has zoomed on the y-axis. It is never set
+      // by a user. It takes precedence over axis.valueRange because, if you set
+      // valueRange, you'd still expect to be able to pan.
+      axis.computedValueRange = [axis.valueWindow[0], axis.valueWindow[1]];
+    } else if (axis.valueRange) {
+      // This is a user-set value range for this axis.
+      var y0 = isNullUndefinedOrNaN(axis.valueRange[0]) ? axis.extremeRange[0] : axis.valueRange[0];
+      var y1 = isNullUndefinedOrNaN(axis.valueRange[1]) ? axis.extremeRange[1] : axis.valueRange[1];
+      if (!ypadCompat) {
+        if (axis.logscale) {
+          var logpad = Math.exp(Math.log(span) * ypad);
+          y0 *= logpad;
+          y1 /= logpad;
+        } else {
+          span = y1 - y0;
+          y0 -= span * ypad;
+          y1 += span * ypad;
+        }
+      }
+      axis.computedValueRange = [y0, y1];
+    } else {
+      axis.computedValueRange = axis.extremeRange;
+    }
+    
+    
+    if (independentTicks) {
+      axis.independentTicks = independentTicks;
+      var opts = this.optionsViewForAxis_('y' + (i ? '2' : ''));
+      var ticker = opts('ticker');
+      axis.ticks = ticker(axis.computedValueRange[0],
+              axis.computedValueRange[1],
+              this.plotter_.area.h,
+              opts,
+              this);
+      // Define the first independent axis as primary axis.
+      if (!p_axis) p_axis = axis;
+    }
+  }
+  if (p_axis === undefined) {
+    throw ("Configuration Error: At least one axis has to have the \"independentTicks\" option activated.");
+  }
+  // Add ticks. By default, all axes inherit the tick positions of the
+  // primary axis. However, if an axis is specifically marked as having
+  // independent ticks, then that is permissible as well.
+  for (var i = 0; i < numAxes; i++) {
+    var axis = this.axes_[i];
+    
+    if (!axis.independentTicks) {
+      var opts = this.optionsViewForAxis_('y' + (i ? '2' : ''));
+      var ticker = opts('ticker');
+      var p_ticks = p_axis.ticks;
+      var p_scale = p_axis.computedValueRange[1] - p_axis.computedValueRange[0];
+      var scale = axis.computedValueRange[1] - axis.computedValueRange[0];
+      var tick_values = [];
+      for (var k = 0; k < p_ticks.length; k++) {
+        var y_frac = (p_ticks[k].v - p_axis.computedValueRange[0]) / p_scale;
+        var y_val = axis.computedValueRange[0] + y_frac * scale;
+        tick_values.push(y_val);
+      }
+
+      axis.ticks = ticker(axis.computedValueRange[0],
+                          axis.computedValueRange[1],
+                          this.plotter_.area.h,
+                          opts,
+                          this,
+                          tick_values);
+    }
+  }
+};
+
+/**
+ * Detects the type of the str (date or numeric) and sets the various
+ * formatting attributes in this.attrs_ based on this type.
+ * @param {string} str An x value.
+ * @private
+ */
+Dygraph.prototype.detectTypeFromString_ = function(str) {
+  var isDate = false;
+  var dashPos = str.indexOf('-');  // could be 2006-01-01 _or_ 1.0e-2
+  if ((dashPos > 0 && (str[dashPos-1] != 'e' && str[dashPos-1] != 'E')) ||
+      str.indexOf('/') >= 0 ||
+      isNaN(parseFloat(str))) {
+    isDate = true;
+  } else if (str.length == 8 && str > '19700101' && str < '20371231') {
+    // TODO(danvk): remove support for this format.
+    isDate = true;
+  }
+
+  this.setXAxisOptions_(isDate);
+};
+
+Dygraph.prototype.setXAxisOptions_ = function(isDate) {
+  if (isDate) {
+    this.attrs_.xValueParser = Dygraph.dateParser;
+    this.attrs_.axes.x.valueFormatter = Dygraph.dateValueFormatter;
+    this.attrs_.axes.x.ticker = Dygraph.dateTicker;
+    this.attrs_.axes.x.axisLabelFormatter = Dygraph.dateAxisLabelFormatter;
+  } else {
+    /** @private (shut up, jsdoc!) */
+    this.attrs_.xValueParser = function(x) { return parseFloat(x); };
+    // TODO(danvk): use Dygraph.numberValueFormatter here?
+    /** @private (shut up, jsdoc!) */
+    this.attrs_.axes.x.valueFormatter = function(x) { return x; };
+    this.attrs_.axes.x.ticker = Dygraph.numericTicks;
+    this.attrs_.axes.x.axisLabelFormatter = this.attrs_.axes.x.valueFormatter;
+  }
+};
+
+/**
+ * @private
+ * Parses a string in a special csv format.  We expect a csv file where each
+ * line is a date point, and the first field in each line is the date string.
+ * We also expect that all remaining fields represent series.
+ * if the errorBars attribute is set, then interpret the fields as:
+ * date, series1, stddev1, series2, stddev2, ...
+ * @param {[Object]} data See above.
+ *
+ * @return [Object] An array with one entry for each row. These entries
+ * are an array of cells in that row. The first entry is the parsed x-value for
+ * the row. The second, third, etc. are the y-values. These can take on one of
+ * three forms, depending on the CSV and constructor parameters:
+ * 1. numeric value
+ * 2. [ value, stddev ]
+ * 3. [ low value, center value, high value ]
+ */
+Dygraph.prototype.parseCSV_ = function(data) {
+  var ret = [];
+  var line_delimiter = Dygraph.detectLineDelimiter(data);
+  var lines = data.split(line_delimiter || "\n");
+  var vals, j;
+
+  // Use the default delimiter or fall back to a tab if that makes sense.
+  var delim = this.getStringOption('delimiter');
+  if (lines[0].indexOf(delim) == -1 && lines[0].indexOf('\t') >= 0) {
+    delim = '\t';
+  }
+
+  var start = 0;
+  if (!('labels' in this.user_attrs_)) {
+    // User hasn't explicitly set labels, so they're (presumably) in the CSV.
+    start = 1;
+    this.attrs_.labels = lines[0].split(delim);  // NOTE: _not_ user_attrs_.
+    this.attributes_.reparseSeries();
+  }
+  var line_no = 0;
+
+  var xParser;
+  var defaultParserSet = false;  // attempt to auto-detect x value type
+  var expectedCols = this.attr_("labels").length;
+  var outOfOrder = false;
+  for (var i = start; i < lines.length; i++) {
+    var line = lines[i];
+    line_no = i;
+    if (line.length === 0) continue;  // skip blank lines
+    if (line[0] == '#') continue;    // skip comment lines
+    var inFields = line.split(delim);
+    if (inFields.length < 2) continue;
+
+    var fields = [];
+    if (!defaultParserSet) {
+      this.detectTypeFromString_(inFields[0]);
+      xParser = this.getFunctionOption("xValueParser");
+      defaultParserSet = true;
+    }
+    fields[0] = xParser(inFields[0], this);
+
+    // If fractions are expected, parse the numbers as "A/B"
+    if (this.fractions_) {
+      for (j = 1; j < inFields.length; j++) {
+        // TODO(danvk): figure out an appropriate way to flag parse errors.
+        vals = inFields[j].split("/");
+        if (vals.length != 2) {
+          console.error('Expected fractional "num/den" values in CSV data ' +
+                        "but found a value '" + inFields[j] + "' on line " +
+                        (1 + i) + " ('" + line + "') which is not of this form.");
+          fields[j] = [0, 0];
+        } else {
+          fields[j] = [Dygraph.parseFloat_(vals[0], i, line),
+                       Dygraph.parseFloat_(vals[1], i, line)];
+        }
+      }
+    } else if (this.getBooleanOption("errorBars")) {
+      // If there are error bars, values are (value, stddev) pairs
+      if (inFields.length % 2 != 1) {
+        console.error('Expected alternating (value, stdev.) pairs in CSV data ' +
+                      'but line ' + (1 + i) + ' has an odd number of values (' +
+                      (inFields.length - 1) + "): '" + line + "'");
+      }
+      for (j = 1; j < inFields.length; j += 2) {
+        fields[(j + 1) / 2] = [Dygraph.parseFloat_(inFields[j], i, line),
+                               Dygraph.parseFloat_(inFields[j + 1], i, line)];
+      }
+    } else if (this.getBooleanOption("customBars")) {
+      // Bars are a low;center;high tuple
+      for (j = 1; j < inFields.length; j++) {
+        var val = inFields[j];
+        if (/^ *$/.test(val)) {
+          fields[j] = [null, null, null];
+        } else {
+          vals = val.split(";");
+          if (vals.length == 3) {
+            fields[j] = [ Dygraph.parseFloat_(vals[0], i, line),
+                          Dygraph.parseFloat_(vals[1], i, line),
+                          Dygraph.parseFloat_(vals[2], i, line) ];
+          } else {
+            console.warn('When using customBars, values must be either blank ' +
+                         'or "low;center;high" tuples (got "' + val +
+                         '" on line ' + (1+i));
+          }
+        }
+      }
+    } else {
+      // Values are just numbers
+      for (j = 1; j < inFields.length; j++) {
+        fields[j] = Dygraph.parseFloat_(inFields[j], i, line);
+      }
+    }
+    if (ret.length > 0 && fields[0] < ret[ret.length - 1][0]) {
+      outOfOrder = true;
+    }
+
+    if (fields.length != expectedCols) {
+      console.error("Number of columns in line " + i + " (" + fields.length +
+                    ") does not agree with number of labels (" + expectedCols +
+                    ") " + line);
+    }
+
+    // If the user specified the 'labels' option and none of the cells of the
+    // first row parsed correctly, then they probably double-specified the
+    // labels. We go with the values set in the option, discard this row and
+    // log a warning to the JS console.
+    if (i === 0 && this.attr_('labels')) {
+      var all_null = true;
+      for (j = 0; all_null && j < fields.length; j++) {
+        if (fields[j]) all_null = false;
+      }
+      if (all_null) {
+        console.warn("The dygraphs 'labels' option is set, but the first row " +
+                     "of CSV data ('" + line + "') appears to also contain " +
+                     "labels. Will drop the CSV labels and use the option " +
+                     "labels.");
+        continue;
+      }
+    }
+    ret.push(fields);
+  }
+
+  if (outOfOrder) {
+    console.warn("CSV is out of order; order it correctly to speed loading.");
+    ret.sort(function(a,b) { return a[0] - b[0]; });
+  }
+
+  return ret;
+};
+
+/**
+ * The user has provided their data as a pre-packaged JS array. If the x values
+ * are numeric, this is the same as dygraphs' internal format. If the x values
+ * are dates, we need to convert them from Date objects to ms since epoch.
+ * @param {!Array} data
+ * @return {Object} data with numeric x values.
+ * @private
+ */
+Dygraph.prototype.parseArray_ = function(data) {
+  // Peek at the first x value to see if it's numeric.
+  if (data.length === 0) {
+    console.error("Can't plot empty data set");
+    return null;
+  }
+  if (data[0].length === 0) {
+    console.error("Data set cannot contain an empty row");
+    return null;
+  }
+
+  var i;
+  if (this.attr_("labels") === null) {
+    console.warn("Using default labels. Set labels explicitly via 'labels' " +
+                 "in the options parameter");
+    this.attrs_.labels = [ "X" ];
+    for (i = 1; i < data[0].length; i++) {
+      this.attrs_.labels.push("Y" + i); // Not user_attrs_.
+    }
+    this.attributes_.reparseSeries();
+  } else {
+    var num_labels = this.attr_("labels");
+    if (num_labels.length != data[0].length) {
+      console.error("Mismatch between number of labels (" + num_labels + ")" +
+                    " and number of columns in array (" + data[0].length + ")");
+      return null;
+    }
+  }
+
+  if (Dygraph.isDateLike(data[0][0])) {
+    // Some intelligent defaults for a date x-axis.
+    this.attrs_.axes.x.valueFormatter = Dygraph.dateValueFormatter;
+    this.attrs_.axes.x.ticker = Dygraph.dateTicker;
+    this.attrs_.axes.x.axisLabelFormatter = Dygraph.dateAxisLabelFormatter;
+
+    // Assume they're all dates.
+    var parsedData = Dygraph.clone(data);
+    for (i = 0; i < data.length; i++) {
+      if (parsedData[i].length === 0) {
+        console.error("Row " + (1 + i) + " of data is empty");
+        return null;
+      }
+      if (parsedData[i][0] === null ||
+          typeof(parsedData[i][0].getTime) != 'function' ||
+          isNaN(parsedData[i][0].getTime())) {
+        console.error("x value in row " + (1 + i) + " is not a Date");
+        return null;
+      }
+      parsedData[i][0] = parsedData[i][0].getTime();
+    }
+    return parsedData;
+  } else {
+    // Some intelligent defaults for a numeric x-axis.
+    /** @private (shut up, jsdoc!) */
+    this.attrs_.axes.x.valueFormatter = function(x) { return x; };
+    this.attrs_.axes.x.ticker = Dygraph.numericTicks;
+    this.attrs_.axes.x.axisLabelFormatter = Dygraph.numberAxisLabelFormatter;
+    return data;
+  }
+};
+
+/**
+ * Parses a DataTable object from gviz.
+ * The data is expected to have a first column that is either a date or a
+ * number. All subsequent columns must be numbers. If there is a clear mismatch
+ * between this.xValueParser_ and the type of the first column, it will be
+ * fixed. Fills out rawData_.
+ * @param {!google.visualization.DataTable} data See above.
+ * @private
+ */
+Dygraph.prototype.parseDataTable_ = function(data) {
+  var shortTextForAnnotationNum = function(num) {
+    // converts [0-9]+ [A-Z][a-z]*
+    // example: 0=A, 1=B, 25=Z, 26=Aa, 27=Ab
+    // and continues like.. Ba Bb .. Za .. Zz..Aaa...Zzz Aaaa Zzzz
+    var shortText = String.fromCharCode(65 /* A */ + num % 26);
+    num = Math.floor(num / 26);
+    while ( num > 0 ) {
+      shortText = String.fromCharCode(65 /* A */ + (num - 1) % 26 ) + shortText.toLowerCase();
+      num = Math.floor((num - 1) / 26);
+    }
+    return shortText;
+  };
+
+  var cols = data.getNumberOfColumns();
+  var rows = data.getNumberOfRows();
+
+  var indepType = data.getColumnType(0);
+  if (indepType == 'date' || indepType == 'datetime') {
+    this.attrs_.xValueParser = Dygraph.dateParser;
+    this.attrs_.axes.x.valueFormatter = Dygraph.dateValueFormatter;
+    this.attrs_.axes.x.ticker = Dygraph.dateTicker;
+    this.attrs_.axes.x.axisLabelFormatter = Dygraph.dateAxisLabelFormatter;
+  } else if (indepType == 'number') {
+    this.attrs_.xValueParser = function(x) { return parseFloat(x); };
+    this.attrs_.axes.x.valueFormatter = function(x) { return x; };
+    this.attrs_.axes.x.ticker = Dygraph.numericTicks;
+    this.attrs_.axes.x.axisLabelFormatter = this.attrs_.axes.x.valueFormatter;
+  } else {
+    console.error("only 'date', 'datetime' and 'number' types are supported " +
+                  "for column 1 of DataTable input (Got '" + indepType + "')");
+    return null;
+  }
+
+  // Array of the column indices which contain data (and not annotations).
+  var colIdx = [];
+  var annotationCols = {};  // data index -> [annotation cols]
+  var hasAnnotations = false;
+  var i, j;
+  for (i = 1; i < cols; i++) {
+    var type = data.getColumnType(i);
+    if (type == 'number') {
+      colIdx.push(i);
+    } else if (type == 'string' && this.getBooleanOption('displayAnnotations')) {
+      // This is OK -- it's an annotation column.
+      var dataIdx = colIdx[colIdx.length - 1];
+      if (!annotationCols.hasOwnProperty(dataIdx)) {
+        annotationCols[dataIdx] = [i];
+      } else {
+        annotationCols[dataIdx].push(i);
+      }
+      hasAnnotations = true;
+    } else {
+      console.error("Only 'number' is supported as a dependent type with Gviz." +
+                    " 'string' is only supported if displayAnnotations is true");
+    }
+  }
+
+  // Read column labels
+  // TODO(danvk): add support back for errorBars
+  var labels = [data.getColumnLabel(0)];
+  for (i = 0; i < colIdx.length; i++) {
+    labels.push(data.getColumnLabel(colIdx[i]));
+    if (this.getBooleanOption("errorBars")) i += 1;
+  }
+  this.attrs_.labels = labels;
+  cols = labels.length;
+
+  var ret = [];
+  var outOfOrder = false;
+  var annotations = [];
+  for (i = 0; i < rows; i++) {
+    var row = [];
+    if (typeof(data.getValue(i, 0)) === 'undefined' ||
+        data.getValue(i, 0) === null) {
+      console.warn("Ignoring row " + i +
+                   " of DataTable because of undefined or null first column.");
+      continue;
+    }
+
+    if (indepType == 'date' || indepType == 'datetime') {
+      row.push(data.getValue(i, 0).getTime());
+    } else {
+      row.push(data.getValue(i, 0));
+    }
+    if (!this.getBooleanOption("errorBars")) {
+      for (j = 0; j < colIdx.length; j++) {
+        var col = colIdx[j];
+        row.push(data.getValue(i, col));
+        if (hasAnnotations &&
+            annotationCols.hasOwnProperty(col) &&
+            data.getValue(i, annotationCols[col][0]) !== null) {
+          var ann = {};
+          ann.series = data.getColumnLabel(col);
+          ann.xval = row[0];
+          ann.shortText = shortTextForAnnotationNum(annotations.length);
+          ann.text = '';
+          for (var k = 0; k < annotationCols[col].length; k++) {
+            if (k) ann.text += "\n";
+            ann.text += data.getValue(i, annotationCols[col][k]);
+          }
+          annotations.push(ann);
+        }
+      }
+
+      // Strip out infinities, which give dygraphs problems later on.
+      for (j = 0; j < row.length; j++) {
+        if (!isFinite(row[j])) row[j] = null;
+      }
+    } else {
+      for (j = 0; j < cols - 1; j++) {
+        row.push([ data.getValue(i, 1 + 2 * j), data.getValue(i, 2 + 2 * j) ]);
+      }
+    }
+    if (ret.length > 0 && row[0] < ret[ret.length - 1][0]) {
+      outOfOrder = true;
+    }
+    ret.push(row);
+  }
+
+  if (outOfOrder) {
+    console.warn("DataTable is out of order; order it correctly to speed loading.");
+    ret.sort(function(a,b) { return a[0] - b[0]; });
+  }
+  this.rawData_ = ret;
+
+  if (annotations.length > 0) {
+    this.setAnnotations(annotations, true);
+  }
+  this.attributes_.reparseSeries();
+};
+
+/**
+ * Signals to plugins that the chart data has updated.
+ * This happens after the data has updated but before the chart has redrawn.
+ */
+Dygraph.prototype.cascadeDataDidUpdateEvent_ = function() {
+  // TODO(danvk): there are some issues checking xAxisRange() and using
+  // toDomCoords from handlers of this event. The visible range should be set
+  // when the chart is drawn, not derived from the data.
+  this.cascadeEvents_('dataDidUpdate', {});
+};
+
+/**
+ * Get the CSV data. If it's in a function, call that function. If it's in a
+ * file, do an XMLHttpRequest to get it.
+ * @private
+ */
+Dygraph.prototype.start_ = function() {
+  var data = this.file_;
+
+  // Functions can return references of all other types.
+  if (typeof data == 'function') {
+    data = data();
+  }
+
+  if (Dygraph.isArrayLike(data)) {
+    this.rawData_ = this.parseArray_(data);
+    this.cascadeDataDidUpdateEvent_();
+    this.predraw_();
+  } else if (typeof data == 'object' &&
+             typeof data.getColumnRange == 'function') {
+    // must be a DataTable from gviz.
+    this.parseDataTable_(data);
+    this.cascadeDataDidUpdateEvent_();
+    this.predraw_();
+  } else if (typeof data == 'string') {
+    // Heuristic: a newline means it's CSV data. Otherwise it's an URL.
+    var line_delimiter = Dygraph.detectLineDelimiter(data);
+    if (line_delimiter) {
+      this.loadedEvent_(data);
+    } else {
+      // REMOVE_FOR_IE
+      var req;
+      if (window.XMLHttpRequest) {
+        // Firefox, Opera, IE7, and other browsers will use the native object
+        req = new XMLHttpRequest();
+      } else {
+        // IE 5 and 6 will use the ActiveX control
+        req = new ActiveXObject("Microsoft.XMLHTTP");
+      }
+
+      var caller = this;
+      req.onreadystatechange = function () {
+        if (req.readyState == 4) {
+          if (req.status === 200 ||  // Normal http
+              req.status === 0) {    // Chrome w/ --allow-file-access-from-files
+            caller.loadedEvent_(req.responseText);
+          }
+        }
+      };
+
+      req.open("GET", data, true);
+      req.send(null);
+    }
+  } else {
+    console.error("Unknown data format: " + (typeof data));
+  }
+};
+
+/**
+ * Changes various properties of the graph. These can include:
+ * <ul>
+ * <li>file: changes the source data for the graph</li>
+ * <li>errorBars: changes whether the data contains stddev</li>
+ * </ul>
+ *
+ * There's a huge variety of options that can be passed to this method. For a
+ * full list, see http://dygraphs.com/options.html.
+ *
+ * @param {Object} input_attrs The new properties and values
+ * @param {boolean} block_redraw Usually the chart is redrawn after every
+ *     call to updateOptions(). If you know better, you can pass true to
+ *     explicitly block the redraw. This can be useful for chaining
+ *     updateOptions() calls, avoiding the occasional infinite loop and
+ *     preventing redraws when it's not necessary (e.g. when updating a
+ *     callback).
+ */
+Dygraph.prototype.updateOptions = function(input_attrs, block_redraw) {
+  if (typeof(block_redraw) == 'undefined') block_redraw = false;
+
+  // mapLegacyOptions_ drops the "file" parameter as a convenience to us.
+  var file = input_attrs.file;
+  var attrs = Dygraph.mapLegacyOptions_(input_attrs);
+
+  // TODO(danvk): this is a mess. Move these options into attr_.
+  if ('rollPeriod' in attrs) {
+    this.rollPeriod_ = attrs.rollPeriod;
+  }
+  if ('dateWindow' in attrs) {
+    this.dateWindow_ = attrs.dateWindow;
+    if (!('isZoomedIgnoreProgrammaticZoom' in attrs)) {
+      this.zoomed_x_ = (attrs.dateWindow !== null);
+    }
+  }
+  if ('valueRange' in attrs && !('isZoomedIgnoreProgrammaticZoom' in attrs)) {
+    this.zoomed_y_ = (attrs.valueRange !== null);
+  }
+
+  // TODO(danvk): validate per-series options.
+  // Supported:
+  // strokeWidth
+  // pointSize
+  // drawPoints
+  // highlightCircleSize
+
+  // Check if this set options will require new points.
+  var requiresNewPoints = Dygraph.isPixelChangingOptionList(this.attr_("labels"), attrs);
+
+  Dygraph.updateDeep(this.user_attrs_, attrs);
+
+  this.attributes_.reparseSeries();
+
+  if (file) {
+    // This event indicates that the data is about to change, but hasn't yet.
+    // TODO(danvk): support cancelation of the update via this event.
+    this.cascadeEvents_('dataWillUpdate', {});
+
+    this.file_ = file;
+    if (!block_redraw) this.start_();
+  } else {
+    if (!block_redraw) {
+      if (requiresNewPoints) {
+        this.predraw_();
+      } else {
+        this.renderGraph_(false);
+      }
+    }
+  }
+};
+
+/**
+ * Returns a copy of the options with deprecated names converted into current
+ * names. Also drops the (potentially-large) 'file' attribute. If the caller is
+ * interested in that, they should save a copy before calling this.
+ * @private
+ */
+Dygraph.mapLegacyOptions_ = function(attrs) {
+  var my_attrs = {};
+  for (var k in attrs) {
+    if (!attrs.hasOwnProperty(k)) continue;
+    if (k == 'file') continue;
+    if (attrs.hasOwnProperty(k)) my_attrs[k] = attrs[k];
+  }
+
+  var set = function(axis, opt, value) {
+    if (!my_attrs.axes) my_attrs.axes = {};
+    if (!my_attrs.axes[axis]) my_attrs.axes[axis] = {};
+    my_attrs.axes[axis][opt] = value;
+  };
+  var map = function(opt, axis, new_opt) {
+    if (typeof(attrs[opt]) != 'undefined') {
+      console.warn("Option " + opt + " is deprecated. Use the " +
+          new_opt + " option for the " + axis + " axis instead. " +
+          "(e.g. { axes : { " + axis + " : { " + new_opt + " : ... } } } " +
+          "(see http://dygraphs.com/per-axis.html for more information.");
+      set(axis, new_opt, attrs[opt]);
+      delete my_attrs[opt];
+    }
+  };
+
+  // This maps, e.g., xValueFormater -> axes: { x: { valueFormatter: ... } }
+  map('xValueFormatter', 'x', 'valueFormatter');
+  map('pixelsPerXLabel', 'x', 'pixelsPerLabel');
+  map('xAxisLabelFormatter', 'x', 'axisLabelFormatter');
+  map('xTicker', 'x', 'ticker');
+  map('yValueFormatter', 'y', 'valueFormatter');
+  map('pixelsPerYLabel', 'y', 'pixelsPerLabel');
+  map('yAxisLabelFormatter', 'y', 'axisLabelFormatter');
+  map('yTicker', 'y', 'ticker');
+  map('drawXGrid', 'x', 'drawGrid');
+  map('drawXAxis', 'x', 'drawAxis');
+  map('drawYGrid', 'y', 'drawGrid');
+  map('drawYAxis', 'y', 'drawAxis');
+  map('xAxisLabelWidth', 'x', 'axisLabelWidth');
+  map('yAxisLabelWidth', 'y', 'axisLabelWidth');
+  return my_attrs;
+};
+
+/**
+ * Resizes the dygraph. If no parameters are specified, resizes to fill the
+ * containing div (which has presumably changed size since the dygraph was
+ * instantiated. If the width/height are specified, the div will be resized.
+ *
+ * This is far more efficient than destroying and re-instantiating a
+ * Dygraph, since it doesn't have to reparse the underlying data.
+ *
+ * @param {number} width Width (in pixels)
+ * @param {number} height Height (in pixels)
+ */
+Dygraph.prototype.resize = function(width, height) {
+  if (this.resize_lock) {
+    return;
+  }
+  this.resize_lock = true;
+
+  if ((width === null) != (height === null)) {
+    console.warn("Dygraph.resize() should be called with zero parameters or " +
+                 "two non-NULL parameters. Pretending it was zero.");
+    width = height = null;
+  }
+
+  var old_width = this.width_;
+  var old_height = this.height_;
+
+  if (width) {
+    this.maindiv_.style.width = width + "px";
+    this.maindiv_.style.height = height + "px";
+    this.width_ = width;
+    this.height_ = height;
+  } else {
+    this.width_ = this.maindiv_.clientWidth;
+    this.height_ = this.maindiv_.clientHeight;
+  }
+
+  if (old_width != this.width_ || old_height != this.height_) {
+    // Resizing a canvas erases it, even when the size doesn't change, so
+    // any resize needs to be followed by a redraw.
+    this.resizeElements_();
+    this.predraw_();
+  }
+
+  this.resize_lock = false;
+};
+
+/**
+ * Adjusts the number of points in the rolling average. Updates the graph to
+ * reflect the new averaging period.
+ * @param {number} length Number of points over which to average the data.
+ */
+Dygraph.prototype.adjustRoll = function(length) {
+  this.rollPeriod_ = length;
+  this.predraw_();
+};
+
+/**
+ * Returns a boolean array of visibility statuses.
+ */
+Dygraph.prototype.visibility = function() {
+  // Do lazy-initialization, so that this happens after we know the number of
+  // data series.
+  if (!this.getOption("visibility")) {
+    this.attrs_.visibility = [];
+  }
+  // TODO(danvk): it looks like this could go into an infinite loop w/ user_attrs.
+  while (this.getOption("visibility").length < this.numColumns() - 1) {
+    this.attrs_.visibility.push(true);
+  }
+  return this.getOption("visibility");
+};
+
+/**
+ * Changes the visiblity of a series.
+ *
+ * @param {number} num the series index
+ * @param {boolean} value true or false, identifying the visibility.
+ */
+Dygraph.prototype.setVisibility = function(num, value) {
+  var x = this.visibility();
+  if (num < 0 || num >= x.length) {
+    console.warn("invalid series number in setVisibility: " + num);
+  } else {
+    x[num] = value;
+    this.predraw_();
+  }
+};
+
+/**
+ * How large of an area will the dygraph render itself in?
+ * This is used for testing.
+ * @return A {width: w, height: h} object.
+ * @private
+ */
+Dygraph.prototype.size = function() {
+  return { width: this.width_, height: this.height_ };
+};
+
+/**
+ * Update the list of annotations and redraw the chart.
+ * See dygraphs.com/annotations.html for more info on how to use annotations.
+ * @param ann {Array} An array of annotation objects.
+ * @param suppressDraw {Boolean} Set to "true" to block chart redraw (optional).
+ */
+Dygraph.prototype.setAnnotations = function(ann, suppressDraw) {
+  // Only add the annotation CSS rule once we know it will be used.
+  Dygraph.addAnnotationRule();
+  this.annotations_ = ann;
+  if (!this.layout_) {
+    console.warn("Tried to setAnnotations before dygraph was ready. " +
+                 "Try setting them in a ready() block. See " +
+                 "dygraphs.com/tests/annotation.html");
+    return;
+  }
+
+  this.layout_.setAnnotations(this.annotations_);
+  if (!suppressDraw) {
+    this.predraw_();
+  }
+};
+
+/**
+ * Return the list of annotations.
+ */
+Dygraph.prototype.annotations = function() {
+  return this.annotations_;
+};
+
+/**
+ * Get the list of label names for this graph. The first column is the
+ * x-axis, so the data series names start at index 1.
+ *
+ * Returns null when labels have not yet been defined.
+ */
+Dygraph.prototype.getLabels = function() {
+  var labels = this.attr_("labels");
+  return labels ? labels.slice() : null;
+};
+
+/**
+ * Get the index of a series (column) given its name. The first column is the
+ * x-axis, so the data series start with index 1.
+ */
+Dygraph.prototype.indexFromSetName = function(name) {
+  return this.setIndexByName_[name];
+};
+
+/**
+ * Trigger a callback when the dygraph has drawn itself and is ready to be
+ * manipulated. This is primarily useful when dygraphs has to do an XHR for the
+ * data (i.e. a URL is passed as the data source) and the chart is drawn
+ * asynchronously. If the chart has already drawn, the callback will fire
+ * immediately.
+ *
+ * This is a good place to call setAnnotation().
+ *
+ * @param {function(!Dygraph)} callback The callback to trigger when the chart
+ *     is ready.
+ */
+Dygraph.prototype.ready = function(callback) {
+  if (this.is_initial_draw_) {
+    this.readyFns_.push(callback);
+  } else {
+    callback.call(this, this);
+  }
+};
+
+/**
+ * @private
+ * Adds a default style for the annotation CSS classes to the document. This is
+ * only executed when annotations are actually used. It is designed to only be
+ * called once -- all calls after the first will return immediately.
+ */
+Dygraph.addAnnotationRule = function() {
+  // TODO(danvk): move this function into plugins/annotations.js?
+  if (Dygraph.addedAnnotationCSS) return;
+
+  var rule = "border: 1px solid black; " +
+             "background-color: white; " +
+             "text-align: center;";
+
+  var styleSheetElement = document.createElement("style");
+  styleSheetElement.type = "text/css";
+  document.getElementsByTagName("head")[0].appendChild(styleSheetElement);
+
+  // Find the first style sheet that we can access.
+  // We may not add a rule to a style sheet from another domain for security
+  // reasons. This sometimes comes up when using gviz, since the Google gviz JS
+  // adds its own style sheets from google.com.
+  for (var i = 0; i < document.styleSheets.length; i++) {
+    if (document.styleSheets[i].disabled) continue;
+    var mysheet = document.styleSheets[i];
+    try {
+      if (mysheet.insertRule) {  // Firefox
+        var idx = mysheet.cssRules ? mysheet.cssRules.length : 0;
+        mysheet.insertRule(".dygraphDefaultAnnotation { " + rule + " }", idx);
+      } else if (mysheet.addRule) {  // IE
+        mysheet.addRule(".dygraphDefaultAnnotation", rule);
+      }
+      Dygraph.addedAnnotationCSS = true;
+      return;
+    } catch(err) {
+      // Was likely a security exception.
+    }
+  }
+
+  console.warn("Unable to add default annotation CSS rule; display may be off.");
+};
+
+return Dygraph;
+
+})();
+/**
+ * @license
+ * Copyright 2011 Dan Vanderkam (danvdk@gmail.com)
+ * MIT-licensed (http://opensource.org/licenses/MIT)
+ */
+
+/**
+ * @fileoverview This file contains utility functions used by dygraphs. These
+ * are typically static (i.e. not related to any particular dygraph). Examples
+ * include date/time formatting functions, basic algorithms (e.g. binary
+ * search) and generic DOM-manipulation functions.
+ */
+
+(function() {
+
+/*global Dygraph:false, G_vmlCanvasManager:false, Node:false */
+"use strict";
+
+Dygraph.LOG_SCALE = 10;
+Dygraph.LN_TEN = Math.log(Dygraph.LOG_SCALE);
+
+/**
+ * @private
+ * @param {number} x
+ * @return {number}
+ */
+Dygraph.log10 = function(x) {
+  return Math.log(x) / Dygraph.LN_TEN;
+};
+
+/** A dotted line stroke pattern. */
+Dygraph.DOTTED_LINE = [2, 2];
+/** A dashed line stroke pattern. */
+Dygraph.DASHED_LINE = [7, 3];
+/** A dot dash stroke pattern. */
+Dygraph.DOT_DASH_LINE = [7, 2, 2, 2];
+
+/**
+ * Return the 2d context for a dygraph canvas.
+ *
+ * This method is only exposed for the sake of replacing the function in
+ * automated tests, e.g.
+ *
+ * var oldFunc = Dygraph.getContext();
+ * Dygraph.getContext = function(canvas) {
+ *   var realContext = oldFunc(canvas);
+ *   return new Proxy(realContext);
+ * };
+ * @param {!HTMLCanvasElement} canvas
+ * @return {!CanvasRenderingContext2D}
+ * @private
+ */
+Dygraph.getContext = function(canvas) {
+  return /** @type{!CanvasRenderingContext2D}*/(canvas.getContext("2d"));
+};
+
+/**
+ * Add an event handler. This smooths a difference between IE and the rest of
+ * the world.
+ * @param {!Node} elem The element to add the event to.
+ * @param {string} type The type of the event, e.g. 'click' or 'mousemove'.
+ * @param {function(Event):(boolean|undefined)} fn The function to call
+ *     on the event. The function takes one parameter: the event object.
+ * @private
+ */
+Dygraph.addEvent = function addEvent(elem, type, fn) {
+  if (elem.addEventListener) {
+    elem.addEventListener(type, fn, false);
+  } else {
+    elem[type+fn] = function(){fn(window.event);};
+    elem.attachEvent('on'+type, elem[type+fn]);
+  }
+};
+
+/**
+ * Add an event handler. This event handler is kept until the graph is
+ * destroyed with a call to graph.destroy().
+ *
+ * @param {!Node} elem The element to add the event to.
+ * @param {string} type The type of the event, e.g. 'click' or 'mousemove'.
+ * @param {function(Event):(boolean|undefined)} fn The function to call
+ *     on the event. The function takes one parameter: the event object.
+ * @private
+ */
+Dygraph.prototype.addAndTrackEvent = function(elem, type, fn) {
+  Dygraph.addEvent(elem, type, fn);
+  this.registeredEvents_.push({ elem : elem, type : type, fn : fn });
+};
+
+/**
+ * Remove an event handler. This smooths a difference between IE and the rest
+ * of the world.
+ * @param {!Node} elem The element to remove the event from.
+ * @param {string} type The type of the event, e.g. 'click' or 'mousemove'.
+ * @param {function(Event):(boolean|undefined)} fn The function to call
+ *     on the event. The function takes one parameter: the event object.
+ * @private
+ */
+Dygraph.removeEvent = function(elem, type, fn) {
+  if (elem.removeEventListener) {
+    elem.removeEventListener(type, fn, false);
+  } else {
+    try {
+      elem.detachEvent('on'+type, elem[type+fn]);
+    } catch(e) {
+      // We only detach event listeners on a "best effort" basis in IE. See:
+      // http://stackoverflow.com/questions/2553632/detachevent-not-working-with-named-inline-functions
+    }
+    elem[type+fn] = null;
+  }
+};
+
+Dygraph.prototype.removeTrackedEvents_ = function() {
+  if (this.registeredEvents_) {
+    for (var idx = 0; idx < this.registeredEvents_.length; idx++) {
+      var reg = this.registeredEvents_[idx];
+      Dygraph.removeEvent(reg.elem, reg.type, reg.fn);
+    }
+  }
+
+  this.registeredEvents_ = [];
+};
+
+/**
+ * Cancels further processing of an event. This is useful to prevent default
+ * browser actions, e.g. highlighting text on a double-click.
+ * Based on the article at
+ * http://www.switchonthecode.com/tutorials/javascript-tutorial-the-scroll-wheel
+ * @param {!Event} e The event whose normal behavior should be canceled.
+ * @private
+ */
+Dygraph.cancelEvent = function(e) {
+  e = e ? e : window.event;
+  if (e.stopPropagation) {
+    e.stopPropagation();
+  }
+  if (e.preventDefault) {
+    e.preventDefault();
+  }
+  e.cancelBubble = true;
+  e.cancel = true;
+  e.returnValue = false;
+  return false;
+};
+
+/**
+ * Convert hsv values to an rgb(r,g,b) string. Taken from MochiKit.Color. This
+ * is used to generate default series colors which are evenly spaced on the
+ * color wheel.
+ * @param { number } hue Range is 0.0-1.0.
+ * @param { number } saturation Range is 0.0-1.0.
+ * @param { number } value Range is 0.0-1.0.
+ * @return { string } "rgb(r,g,b)" where r, g and b range from 0-255.
+ * @private
+ */
+Dygraph.hsvToRGB = function (hue, saturation, value) {
+  var red;
+  var green;
+  var blue;
+  if (saturation === 0) {
+    red = value;
+    green = value;
+    blue = value;
+  } else {
+    var i = Math.floor(hue * 6);
+    var f = (hue * 6) - i;
+    var p = value * (1 - saturation);
+    var q = value * (1 - (saturation * f));
+    var t = value * (1 - (saturation * (1 - f)));
+    switch (i) {
+      case 1: red = q; green = value; blue = p; break;
+      case 2: red = p; green = value; blue = t; break;
+      case 3: red = p; green = q; blue = value; break;
+      case 4: red = t; green = p; blue = value; break;
+      case 5: red = value; green = p; blue = q; break;
+      case 6: // fall through
+      case 0: red = value; green = t; blue = p; break;
+    }
+  }
+  red = Math.floor(255 * red + 0.5);
+  green = Math.floor(255 * green + 0.5);
+  blue = Math.floor(255 * blue + 0.5);
+  return 'rgb(' + red + ',' + green + ',' + blue + ')';
+};
+
+// The following functions are from quirksmode.org with a modification for Safari from
+// http://blog.firetree.net/2005/07/04/javascript-find-position/
+// http://www.quirksmode.org/js/findpos.html
+// ... and modifications to support scrolling divs.
+
+/**
+ * Find the coordinates of an object relative to the top left of the page.
+ *
+ * TODO(danvk): change obj type from Node -&gt; !Node
+ * @param {Node} obj
+ * @return {{x:number,y:number}}
+ * @private
+ */
+Dygraph.findPos = function(obj) {
+  var curleft = 0, curtop = 0;
+  if (obj.offsetParent) {
+    var copyObj = obj;
+    while (1) {
+      // NOTE: the if statement here is for IE8.
+      var borderLeft = "0", borderTop = "0";
+      if (window.getComputedStyle) {
+        var computedStyle = window.getComputedStyle(copyObj, null);
+        borderLeft = computedStyle.borderLeft || "0";
+        borderTop = computedStyle.borderTop || "0";
+      }
+      curleft += parseInt(borderLeft, 10) ;
+      curtop += parseInt(borderTop, 10) ;
+      curleft += copyObj.offsetLeft;
+      curtop += copyObj.offsetTop;
+      if (!copyObj.offsetParent) {
+        break;
+      }
+      copyObj = copyObj.offsetParent;
+    }
+  } else {
+    // TODO(danvk): why would obj ever have these properties?
+    if (obj.x) curleft += obj.x;
+    if (obj.y) curtop += obj.y;
+  }
+
+  // This handles the case where the object is inside a scrolled div.
+  while (obj && obj != document.body) {
+    curleft -= obj.scrollLeft;
+    curtop -= obj.scrollTop;
+    obj = obj.parentNode;
+  }
+  return {x: curleft, y: curtop};
+};
+
+/**
+ * Returns the x-coordinate of the event in a coordinate system where the
+ * top-left corner of the page (not the window) is (0,0).
+ * Taken from MochiKit.Signal
+ * @param {!Event} e
+ * @return {number}
+ * @private
+ */
+Dygraph.pageX = function(e) {
+  if (e.pageX) {
+    return (!e.pageX || e.pageX < 0) ? 0 : e.pageX;
+  } else {
+    var de = document.documentElement;
+    var b = document.body;
+    return e.clientX +
+        (de.scrollLeft || b.scrollLeft) -
+        (de.clientLeft || 0);
+  }
+};
+
+/**
+ * Returns the y-coordinate of the event in a coordinate system where the
+ * top-left corner of the page (not the window) is (0,0).
+ * Taken from MochiKit.Signal
+ * @param {!Event} e
+ * @return {number}
+ * @private
+ */
+Dygraph.pageY = function(e) {
+  if (e.pageY) {
+    return (!e.pageY || e.pageY < 0) ? 0 : e.pageY;
+  } else {
+    var de = document.documentElement;
+    var b = document.body;
+    return e.clientY +
+        (de.scrollTop || b.scrollTop) -
+        (de.clientTop || 0);
+  }
+};
+
+/**
+ * Converts page the x-coordinate of the event to pixel x-coordinates on the
+ * canvas (i.e. DOM Coords).
+ * @param {!Event} e Drag event.
+ * @param {!DygraphInteractionContext} context Interaction context object.
+ * @return {number} The amount by which the drag has moved to the right.
+ */
+Dygraph.dragGetX_ = function(e, context) {
+  return Dygraph.pageX(e) - context.px;
+};
+
+/**
+ * Converts page the y-coordinate of the event to pixel y-coordinates on the
+ * canvas (i.e. DOM Coords).
+ * @param {!Event} e Drag event.
+ * @param {!DygraphInteractionContext} context Interaction context object.
+ * @return {number} The amount by which the drag has moved down.
+ */
+Dygraph.dragGetY_ = function(e, context) {
+  return Dygraph.pageY(e) - context.py;
+};
+
+/**
+ * This returns true unless the parameter is 0, null, undefined or NaN.
+ * TODO(danvk): rename this function to something like 'isNonZeroNan'.
+ *
+ * @param {number} x The number to consider.
+ * @return {boolean} Whether the number is zero or NaN.
+ * @private
+ */
+Dygraph.isOK = function(x) {
+  return !!x && !isNaN(x);
+};
+
+/**
+ * @param {{x:?number,y:?number,yval:?number}} p The point to consider, valid
+ *     points are {x, y} objects
+ * @param {boolean=} opt_allowNaNY Treat point with y=NaN as valid
+ * @return {boolean} Whether the point has numeric x and y.
+ * @private
+ */
+Dygraph.isValidPoint = function(p, opt_allowNaNY) {
+  if (!p) return false;  // null or undefined object
+  if (p.yval === null) return false;  // missing point
+  if (p.x === null || p.x === undefined) return false;
+  if (p.y === null || p.y === undefined) return false;
+  if (isNaN(p.x) || (!opt_allowNaNY && isNaN(p.y))) return false;
+  return true;
+};
+
+/**
+ * Number formatting function which mimicks the behavior of %g in printf, i.e.
+ * either exponential or fixed format (without trailing 0s) is used depending on
+ * the length of the generated string.  The advantage of this format is that
+ * there is a predictable upper bound on the resulting string length,
+ * significant figures are not dropped, and normal numbers are not displayed in
+ * exponential notation.
+ *
+ * NOTE: JavaScript's native toPrecision() is NOT a drop-in replacement for %g.
+ * It creates strings which are too long for absolute values between 10^-4 and
+ * 10^-6, e.g. '0.00001' instead of '1e-5'. See tests/number-format.html for
+ * output examples.
+ *
+ * @param {number} x The number to format
+ * @param {number=} opt_precision The precision to use, default 2.
+ * @return {string} A string formatted like %g in printf.  The max generated
+ *                  string length should be precision + 6 (e.g 1.123e+300).
+ */
+Dygraph.floatFormat = function(x, opt_precision) {
+  // Avoid invalid precision values; [1, 21] is the valid range.
+  var p = Math.min(Math.max(1, opt_precision || 2), 21);
+
+  // This is deceptively simple.  The actual algorithm comes from:
+  //
+  // Max allowed length = p + 4
+  // where 4 comes from 'e+n' and '.'.
+  //
+  // Length of fixed format = 2 + y + p
+  // where 2 comes from '0.' and y = # of leading zeroes.
+  //
+  // Equating the two and solving for y yields y = 2, or 0.00xxxx which is
+  // 1.0e-3.
+  //
+  // Since the behavior of toPrecision() is identical for larger numbers, we
+  // don't have to worry about the other bound.
+  //
+  // Finally, the argument for toExponential() is the number of trailing digits,
+  // so we take off 1 for the value before the '.'.
+  return (Math.abs(x) < 1.0e-3 && x !== 0.0) ?
+      x.toExponential(p - 1) : x.toPrecision(p);
+};
+
+/**
+ * Converts '9' to '09' (useful for dates)
+ * @param {number} x
+ * @return {string}
+ * @private
+ */
+Dygraph.zeropad = function(x) {
+  if (x < 10) return "0" + x; else return "" + x;
+};
+
+/**
+ * Date accessors to get the parts of a calendar date (year, month, 
+ * day, hour, minute, second and millisecond) according to local time,
+ * and factory method to call the Date constructor with an array of arguments.
+ */
+Dygraph.DateAccessorsLocal = {
+  getFullYear:     function(d) {return d.getFullYear();},
+  getMonth:        function(d) {return d.getMonth();},
+  getDate:         function(d) {return d.getDate();},
+  getHours:        function(d) {return d.getHours();},
+  getMinutes:      function(d) {return d.getMinutes();},
+  getSeconds:      function(d) {return d.getSeconds();},
+  getMilliseconds: function(d) {return d.getMilliseconds();},
+  getDay:          function(d) {return d.getDay();},
+  makeDate:        function(y, m, d, hh, mm, ss, ms) {
+    return new Date(y, m, d, hh, mm, ss, ms);
+  }
+};
+
+/**
+ * Date accessors to get the parts of a calendar date (year, month, 
+ * day of month, hour, minute, second and millisecond) according to UTC time,
+ * and factory method to call the Date constructor with an array of arguments.
+ */
+Dygraph.DateAccessorsUTC = {
+  getFullYear:     function(d) {return d.getUTCFullYear();},
+  getMonth:        function(d) {return d.getUTCMonth();},
+  getDate:         function(d) {return d.getUTCDate();},
+  getHours:        function(d) {return d.getUTCHours();},
+  getMinutes:      function(d) {return d.getUTCMinutes();},
+  getSeconds:      function(d) {return d.getUTCSeconds();},
+  getMilliseconds: function(d) {return d.getUTCMilliseconds();},
+  getDay:          function(d) {return d.getUTCDay();},
+  makeDate:        function(y, m, d, hh, mm, ss, ms) {
+    return new Date(Date.UTC(y, m, d, hh, mm, ss, ms));
+  }
+};
+
+/**
+ * Return a string version of the hours, minutes and seconds portion of a date.
+ * @param {number} hh The hours (from 0-23)
+ * @param {number} mm The minutes (from 0-59)
+ * @param {number} ss The seconds (from 0-59)
+ * @return {string} A time of the form "HH:MM" or "HH:MM:SS"
+ * @private
+ */
+Dygraph.hmsString_ = function(hh, mm, ss) {
+  var zeropad = Dygraph.zeropad;
+  var ret = zeropad(hh) + ":" + zeropad(mm);
+  if (ss) {
+    ret += ":" + zeropad(ss);
+  }
+  return ret;
+};
+
+/**
+ * Convert a JS date (millis since epoch) to a formatted string.
+ * @param {number} time The JavaScript time value (ms since epoch)
+ * @param {boolean} utc Wether output UTC or local time
+ * @return {string} A date of one of these forms:
+ *     "YYYY/MM/DD", "YYYY/MM/DD HH:MM" or "YYYY/MM/DD HH:MM:SS"
+ * @private
+ */
+Dygraph.dateString_ = function(time, utc) {
+  var zeropad = Dygraph.zeropad;
+  var accessors = utc ? Dygraph.DateAccessorsUTC : Dygraph.DateAccessorsLocal;
+  var date = new Date(time);
+  var y = accessors.getFullYear(date);
+  var m = accessors.getMonth(date);
+  var d = accessors.getDate(date);
+  var hh = accessors.getHours(date);
+  var mm = accessors.getMinutes(date);
+  var ss = accessors.getSeconds(date);
+  // Get a year string:
+  var year = "" + y;
+  // Get a 0 padded month string
+  var month = zeropad(m + 1);  //months are 0-offset, sigh
+  // Get a 0 padded day string
+  var day = zeropad(d);
+  var frac = hh * 3600 + mm * 60 + ss;
+  var ret = year + "/" + month + "/" + day;
+  if (frac) {
+    ret += " " + Dygraph.hmsString_(hh, mm, ss);
+  }
+  return ret;
+};
+
+/**
+ * Round a number to the specified number of digits past the decimal point.
+ * @param {number} num The number to round
+ * @param {number} places The number of decimals to which to round
+ * @return {number} The rounded number
+ * @private
+ */
+Dygraph.round_ = function(num, places) {
+  var shift = Math.pow(10, places);
+  return Math.round(num * shift)/shift;
+};
+
+/**
+ * Implementation of binary search over an array.
+ * Currently does not work when val is outside the range of arry's values.
+ * @param {number} val the value to search for
+ * @param {Array.<number>} arry is the value over which to search
+ * @param {number} abs If abs > 0, find the lowest entry greater than val
+ *     If abs < 0, find the highest entry less than val.
+ *     If abs == 0, find the entry that equals val.
+ * @param {number=} low The first index in arry to consider (optional)
+ * @param {number=} high The last index in arry to consider (optional)
+ * @return {number} Index of the element, or -1 if it isn't found.
+ * @private
+ */
+Dygraph.binarySearch = function(val, arry, abs, low, high) {
+  if (low === null || low === undefined ||
+      high === null || high === undefined) {
+    low = 0;
+    high = arry.length - 1;
+  }
+  if (low > high) {
+    return -1;
+  }
+  if (abs === null || abs === undefined) {
+    abs = 0;
+  }
+  var validIndex = function(idx) {
+    return idx >= 0 && idx < arry.length;
+  };
+  var mid = parseInt((low + high) / 2, 10);
+  var element = arry[mid];
+  var idx;
+  if (element == val) {
+    return mid;
+  } else if (element > val) {
+    if (abs > 0) {
+      // Accept if element > val, but also if prior element < val.
+      idx = mid - 1;
+      if (validIndex(idx) && arry[idx] < val) {
+        return mid;
+      }
+    }
+    return Dygraph.binarySearch(val, arry, abs, low, mid - 1);
+  } else if (element < val) {
+    if (abs < 0) {
+      // Accept if element < val, but also if prior element > val.
+      idx = mid + 1;
+      if (validIndex(idx) && arry[idx] > val) {
+        return mid;
+      }
+    }
+    return Dygraph.binarySearch(val, arry, abs, mid + 1, high);
+  }
+  return -1;  // can't actually happen, but makes closure compiler happy
+};
+
+/**
+ * Parses a date, returning the number of milliseconds since epoch. This can be
+ * passed in as an xValueParser in the Dygraph constructor.
+ * TODO(danvk): enumerate formats that this understands.
+ *
+ * @param {string} dateStr A date in a variety of possible string formats.
+ * @return {number} Milliseconds since epoch.
+ * @private
+ */
+Dygraph.dateParser = function(dateStr) {
+  var dateStrSlashed;
+  var d;
+
+  // Let the system try the format first, with one caveat:
+  // YYYY-MM-DD[ HH:MM:SS] is interpreted as UTC by a variety of browsers.
+  // dygraphs displays dates in local time, so this will result in surprising
+  // inconsistencies. But if you specify "T" or "Z" (i.e. YYYY-MM-DDTHH:MM:SS),
+  // then you probably know what you're doing, so we'll let you go ahead.
+  // Issue: http://code.google.com/p/dygraphs/issues/detail?id=255
+  if (dateStr.search("-") == -1 ||
+      dateStr.search("T") != -1 || dateStr.search("Z") != -1) {
+    d = Dygraph.dateStrToMillis(dateStr);
+    if (d && !isNaN(d)) return d;
+  }
+
+  if (dateStr.search("-") != -1) {  // e.g. '2009-7-12' or '2009-07-12'
+    dateStrSlashed = dateStr.replace("-", "/", "g");
+    while (dateStrSlashed.search("-") != -1) {
+      dateStrSlashed = dateStrSlashed.replace("-", "/");
+    }
+    d = Dygraph.dateStrToMillis(dateStrSlashed);
+  } else if (dateStr.length == 8) {  // e.g. '20090712'
+    // TODO(danvk): remove support for this format. It's confusing.
+    dateStrSlashed = dateStr.substr(0,4) + "/" + dateStr.substr(4,2) + "/" +
+        dateStr.substr(6,2);
+    d = Dygraph.dateStrToMillis(dateStrSlashed);
+  } else {
+    // Any format that Date.parse will accept, e.g. "2009/07/12" or
+    // "2009/07/12 12:34:56"
+    d = Dygraph.dateStrToMillis(dateStr);
+  }
+
+  if (!d || isNaN(d)) {
+    console.error("Couldn't parse " + dateStr + " as a date");
+  }
+  return d;
+};
+
+/**
+ * This is identical to JavaScript's built-in Date.parse() method, except that
+ * it doesn't get replaced with an incompatible method by aggressive JS
+ * libraries like MooTools or Joomla.
+ * @param {string} str The date string, e.g. "2011/05/06"
+ * @return {number} millis since epoch
+ * @private
+ */
+Dygraph.dateStrToMillis = function(str) {
+  return new Date(str).getTime();
+};
+
+// These functions are all based on MochiKit.
+/**
+ * Copies all the properties from o to self.
+ *
+ * @param {!Object} self
+ * @param {!Object} o
+ * @return {!Object}
+ */
+Dygraph.update = function(self, o) {
+  if (typeof(o) != 'undefined' && o !== null) {
+    for (var k in o) {
+      if (o.hasOwnProperty(k)) {
+        self[k] = o[k];
+      }
+    }
+  }
+  return self;
+};
+
+/**
+ * Copies all the properties from o to self.
+ *
+ * @param {!Object} self
+ * @param {!Object} o
+ * @return {!Object}
+ * @private
+ */
+Dygraph.updateDeep = function (self, o) {
+  // Taken from http://stackoverflow.com/questions/384286/javascript-isdom-how-do-you-check-if-a-javascript-object-is-a-dom-object
+  function isNode(o) {
+    return (
+      typeof Node === "object" ? o instanceof Node :
+      typeof o === "object" && typeof o.nodeType === "number" && typeof o.nodeName==="string"
+    );
+  }
+
+  if (typeof(o) != 'undefined' && o !== null) {
+    for (var k in o) {
+      if (o.hasOwnProperty(k)) {
+        if (o[k] === null) {
+          self[k] = null;
+        } else if (Dygraph.isArrayLike(o[k])) {
+          self[k] = o[k].slice();
+        } else if (isNode(o[k])) {
+          // DOM objects are shallowly-copied.
+          self[k] = o[k];
+        } else if (typeof(o[k]) == 'object') {
+          if (typeof(self[k]) != 'object' || self[k] === null) {
+            self[k] = {};
+          }
+          Dygraph.updateDeep(self[k], o[k]);
+        } else {
+          self[k] = o[k];
+        }
+      }
+    }
+  }
+  return self;
+};
+
+/**
+ * @param {*} o
+ * @return {boolean}
+ * @private
+ */
+Dygraph.isArrayLike = function(o) {
+  var typ = typeof(o);
+  if (
+      (typ != 'object' && !(typ == 'function' &&
+        typeof(o.item) == 'function')) ||
+      o === null ||
+      typeof(o.length) != 'number' ||
+      o.nodeType === 3
+     ) {
+    return false;
+  }
+  return true;
+};
+
+/**
+ * @param {Object} o
+ * @return {boolean}
+ * @private
+ */
+Dygraph.isDateLike = function (o) {
+  if (typeof(o) != "object" || o === null ||
+      typeof(o.getTime) != 'function') {
+    return false;
+  }
+  return true;
+};
+
+/**
+ * Note: this only seems to work for arrays.
+ * @param {!Array} o
+ * @return {!Array}
+ * @private
+ */
+Dygraph.clone = function(o) {
+  // TODO(danvk): figure out how MochiKit's version works
+  var r = [];
+  for (var i = 0; i < o.length; i++) {
+    if (Dygraph.isArrayLike(o[i])) {
+      r.push(Dygraph.clone(o[i]));
+    } else {
+      r.push(o[i]);
+    }
+  }
+  return r;
+};
+
+/**
+ * Create a new canvas element. This is more complex than a simple
+ * document.createElement("canvas") because of IE and excanvas.
+ *
+ * @return {!HTMLCanvasElement}
+ * @private
+ */
+Dygraph.createCanvas = function() {
+  var canvas = document.createElement("canvas");
+
+  var isIE = (/MSIE/.test(navigator.userAgent) && !window.opera);
+  if (isIE && (typeof(G_vmlCanvasManager) != 'undefined')) {
+    canvas = G_vmlCanvasManager.initElement(
+        /**@type{!HTMLCanvasElement}*/(canvas));
+  }
+
+  return canvas;
+};
+
+/**
+ * Returns the context's pixel ratio, which is the ratio between the device
+ * pixel ratio and the backing store ratio. Typically this is 1 for conventional
+ * displays, and > 1 for HiDPI displays (such as the Retina MBP).
+ * See http://www.html5rocks.com/en/tutorials/canvas/hidpi/ for more details.
+ *
+ * @param {!CanvasRenderingContext2D} context The canvas's 2d context.
+ * @return {number} The ratio of the device pixel ratio and the backing store
+ * ratio for the specified context.
+ */
+Dygraph.getContextPixelRatio = function(context) {
+  try {
+    var devicePixelRatio = window.devicePixelRatio;
+    var backingStoreRatio = context.webkitBackingStorePixelRatio ||
+                            context.mozBackingStorePixelRatio ||
+                            context.msBackingStorePixelRatio ||
+                            context.oBackingStorePixelRatio ||
+                            context.backingStorePixelRatio || 1;
+    if (devicePixelRatio !== undefined) {
+      return devicePixelRatio / backingStoreRatio;
+    } else {
+      // At least devicePixelRatio must be defined for this ratio to make sense.
+      // We default backingStoreRatio to 1: this does not exist on some browsers
+      // (i.e. desktop Chrome).
+      return 1;
+    }
+  } catch (e) {
+    return 1;
+  }
+};
+
+/**
+ * Checks whether the user is on an Android browser.
+ * Android does not fully support the <canvas> tag, e.g. w/r/t/ clipping.
+ * @return {boolean}
+ * @private
+ */
+Dygraph.isAndroid = function() {
+  return (/Android/).test(navigator.userAgent);
+};
+
+
+/**
+ * TODO(danvk): use @template here when it's better supported for classes.
+ * @param {!Array} array
+ * @param {number} start
+ * @param {number} length
+ * @param {function(!Array,?):boolean=} predicate
+ * @constructor
+ */
+Dygraph.Iterator = function(array, start, length, predicate) {
+  start = start || 0;
+  length = length || array.length;
+  this.hasNext = true; // Use to identify if there's another element.
+  this.peek = null; // Use for look-ahead
+  this.start_ = start;
+  this.array_ = array;
+  this.predicate_ = predicate;
+  this.end_ = Math.min(array.length, start + length);
+  this.nextIdx_ = start - 1; // use -1 so initial advance works.
+  this.next(); // ignoring result.
+};
+
+/**
+ * @return {Object}
+ */
+Dygraph.Iterator.prototype.next = function() {
+  if (!this.hasNext) {
+    return null;
+  }
+  var obj = this.peek;
+
+  var nextIdx = this.nextIdx_ + 1;
+  var found = false;
+  while (nextIdx < this.end_) {
+    if (!this.predicate_ || this.predicate_(this.array_, nextIdx)) {
+      this.peek = this.array_[nextIdx];
+      found = true;
+      break;
+    }
+    nextIdx++;
+  }
+  this.nextIdx_ = nextIdx;
+  if (!found) {
+    this.hasNext = false;
+    this.peek = null;
+  }
+  return obj;
+};
+
+/**
+ * Returns a new iterator over array, between indexes start and
+ * start + length, and only returns entries that pass the accept function
+ *
+ * @param {!Array} array the array to iterate over.
+ * @param {number} start the first index to iterate over, 0 if absent.
+ * @param {number} length the number of elements in the array to iterate over.
+ *     This, along with start, defines a slice of the array, and so length
+ *     doesn't imply the number of elements in the iterator when accept doesn't
+ *     always accept all values. array.length when absent.
+ * @param {function(?):boolean=} opt_predicate a function that takes
+ *     parameters array and idx, which returns true when the element should be
+ *     returned.  If omitted, all elements are accepted.
+ * @private
+ */
+Dygraph.createIterator = function(array, start, length, opt_predicate) {
+  return new Dygraph.Iterator(array, start, length, opt_predicate);
+};
+
+// Shim layer with setTimeout fallback.
+// From: http://paulirish.com/2011/requestanimationframe-for-smart-animating/
+// Should be called with the window context:
+//   Dygraph.requestAnimFrame.call(window, function() {})
+Dygraph.requestAnimFrame = (function() {
+  return window.requestAnimationFrame       ||
+          window.webkitRequestAnimationFrame ||
+          window.mozRequestAnimationFrame    ||
+          window.oRequestAnimationFrame      ||
+          window.msRequestAnimationFrame     ||
+          function (callback) {
+            window.setTimeout(callback, 1000 / 60);
+          };
+})();
+
+/**
+ * Call a function at most maxFrames times at an attempted interval of
+ * framePeriodInMillis, then call a cleanup function once. repeatFn is called
+ * once immediately, then at most (maxFrames - 1) times asynchronously. If
+ * maxFrames==1, then cleanup_fn() is also called synchronously.  This function
+ * is used to sequence animation.
+ * @param {function(number)} repeatFn Called repeatedly -- takes the frame
+ *     number (from 0 to maxFrames-1) as an argument.
+ * @param {number} maxFrames The max number of times to call repeatFn
+ * @param {number} framePeriodInMillis Max requested time between frames.
+ * @param {function()} cleanupFn A function to call after all repeatFn calls.
+ * @private
+ */
+Dygraph.repeatAndCleanup = function(repeatFn, maxFrames, framePeriodInMillis,
+    cleanupFn) {
+  var frameNumber = 0;
+  var previousFrameNumber;
+  var startTime = new Date().getTime();
+  repeatFn(frameNumber);
+  if (maxFrames == 1) {
+    cleanupFn();
+    return;
+  }
+  var maxFrameArg = maxFrames - 1;
+
+  (function loop() {
+    if (frameNumber >= maxFrames) return;
+    Dygraph.requestAnimFrame.call(window, function() {
+      // Determine which frame to draw based on the delay so far.  Will skip
+      // frames if necessary.
+      var currentTime = new Date().getTime();
+      var delayInMillis = currentTime - startTime;
+      previousFrameNumber = frameNumber;
+      frameNumber = Math.floor(delayInMillis / framePeriodInMillis);
+      var frameDelta = frameNumber - previousFrameNumber;
+      // If we predict that the subsequent repeatFn call will overshoot our
+      // total frame target, so our last call will cause a stutter, then jump to
+      // the last call immediately.  If we're going to cause a stutter, better
+      // to do it faster than slower.
+      var predictOvershootStutter = (frameNumber + frameDelta) > maxFrameArg;
+      if (predictOvershootStutter || (frameNumber >= maxFrameArg)) {
+        repeatFn(maxFrameArg);  // Ensure final call with maxFrameArg.
+        cleanupFn();
+      } else {
+        if (frameDelta !== 0) {  // Don't call repeatFn with duplicate frames.
+          repeatFn(frameNumber);
+        }
+        loop();
+      }
+    });
+  })();
+};
+
+// A whitelist of options that do not change pixel positions.
+var pixelSafeOptions = {
+  'annotationClickHandler': true,
+  'annotationDblClickHandler': true,
+  'annotationMouseOutHandler': true,
+  'annotationMouseOverHandler': true,
+  'axisLabelColor': true,
+  'axisLineColor': true,
+  'axisLineWidth': true,
+  'clickCallback': true,
+  'drawCallback': true,
+  'drawHighlightPointCallback': true,
+  'drawPoints': true,
+  'drawPointCallback': true,
+  'drawXGrid': true,
+  'drawYGrid': true,
+  'fillAlpha': true,
+  'gridLineColor': true,
+  'gridLineWidth': true,
+  'hideOverlayOnMouseOut': true,
+  'highlightCallback': true,
+  'highlightCircleSize': true,
+  'interactionModel': true,
+  'isZoomedIgnoreProgrammaticZoom': true,
+  'labelsDiv': true,
+  'labelsDivStyles': true,
+  'labelsDivWidth': true,
+  'labelsKMB': true,
+  'labelsKMG2': true,
+  'labelsSeparateLines': true,
+  'labelsShowZeroValues': true,
+  'legend': true,
+  'panEdgeFraction': true,
+  'pixelsPerYLabel': true,
+  'pointClickCallback': true,
+  'pointSize': true,
+  'rangeSelectorPlotFillColor': true,
+  'rangeSelectorPlotStrokeColor': true,
+  'showLabelsOnHighlight': true,
+  'showRoller': true,
+  'strokeWidth': true,
+  'underlayCallback': true,
+  'unhighlightCallback': true,
+  'zoomCallback': true
+};
+
+/**
+ * This function will scan the option list and determine if they
+ * require us to recalculate the pixel positions of each point.
+ * TODO: move this into dygraph-options.js
+ * @param {!Array.<string>} labels a list of options to check.
+ * @param {!Object} attrs
+ * @return {boolean} true if the graph needs new points else false.
+ * @private
+ */
+Dygraph.isPixelChangingOptionList = function(labels, attrs) {
+  // Assume that we do not require new points.
+  // This will change to true if we actually do need new points.
+
+  // Create a dictionary of series names for faster lookup.
+  // If there are no labels, then the dictionary stays empty.
+  var seriesNamesDictionary = { };
+  if (labels) {
+    for (var i = 1; i < labels.length; i++) {
+      seriesNamesDictionary[labels[i]] = true;
+    }
+  }
+
+  // Scan through a flat (i.e. non-nested) object of options.
+  // Returns true/false depending on whether new points are needed.
+  var scanFlatOptions = function(options) {
+    for (var property in options) {
+      if (options.hasOwnProperty(property) &&
+          !pixelSafeOptions[property]) {
+        return true;
+      }
+    }
+    return false;
+  };
+
+  // Iterate through the list of updated options.
+  for (var property in attrs) {
+    if (!attrs.hasOwnProperty(property)) continue;
+
+    // Find out of this field is actually a series specific options list.
+    if (property == 'highlightSeriesOpts' ||
+        (seriesNamesDictionary[property] && !attrs.series)) {
+      // This property value is a list of options for this series.
+      if (scanFlatOptions(attrs[property])) return true;
+    } else if (property == 'series' || property == 'axes') {
+      // This is twice-nested options list.
+      var perSeries = attrs[property];
+      for (var series in perSeries) {
+        if (perSeries.hasOwnProperty(series) &&
+            scanFlatOptions(perSeries[series])) {
+          return true;
+        }
+      }
+    } else {
+      // If this was not a series specific option list, check if it's a pixel
+      // changing property.
+      if (!pixelSafeOptions[property]) return true;
+    }
+  }
+
+  return false;
+};
+
+Dygraph.Circles = {
+  DEFAULT : function(g, name, ctx, canvasx, canvasy, color, radius) {
+    ctx.beginPath();
+    ctx.fillStyle = color;
+    ctx.arc(canvasx, canvasy, radius, 0, 2 * Math.PI, false);
+    ctx.fill();
+  }
+  // For more shapes, include extras/shapes.js
+};
+
+/**
+ * To create a "drag" interaction, you typically register a mousedown event
+ * handler on the element where the drag begins. In that handler, you register a
+ * mouseup handler on the window to determine when the mouse is released,
+ * wherever that release happens. This works well, except when the user releases
+ * the mouse over an off-domain iframe. In that case, the mouseup event is
+ * handled by the iframe and never bubbles up to the window handler.
+ *
+ * To deal with this issue, we cover iframes with high z-index divs to make sure
+ * they don't capture mouseup.
+ *
+ * Usage:
+ * element.addEventListener('mousedown', function() {
+ *   var tarper = new Dygraph.IFrameTarp();
+ *   tarper.cover();
+ *   var mouseUpHandler = function() {
+ *     ...
+ *     window.removeEventListener(mouseUpHandler);
+ *     tarper.uncover();
+ *   };
+ *   window.addEventListener('mouseup', mouseUpHandler);
+ * };
+ *
+ * @constructor
+ */
+Dygraph.IFrameTarp = function() {
+  /** @type {Array.<!HTMLDivElement>} */
+  this.tarps = [];
+};
+
+/**
+ * Find all the iframes in the document and cover them with high z-index
+ * transparent divs.
+ */
+Dygraph.IFrameTarp.prototype.cover = function() {
+  var iframes = document.getElementsByTagName("iframe");
+  for (var i = 0; i < iframes.length; i++) {
+    var iframe = iframes[i];
+    var pos = Dygraph.findPos(iframe),
+        x = pos.x,
+        y = pos.y,
+        width = iframe.offsetWidth,
+        height = iframe.offsetHeight;
+
+    var div = document.createElement("div");
+    div.style.position = "absolute";
+    div.style.left = x + 'px';
+    div.style.top = y + 'px';
+    div.style.width = width + 'px';
+    div.style.height = height + 'px';
+    div.style.zIndex = 999;
+    document.body.appendChild(div);
+    this.tarps.push(div);
+  }
+};
+
+/**
+ * Remove all the iframe covers. You should call this in a mouseup handler.
+ */
+Dygraph.IFrameTarp.prototype.uncover = function() {
+  for (var i = 0; i < this.tarps.length; i++) {
+    this.tarps[i].parentNode.removeChild(this.tarps[i]);
+  }
+  this.tarps = [];
+};
+
+/**
+ * Determine whether |data| is delimited by CR, CRLF, LF, LFCR.
+ * @param {string} data
+ * @return {?string} the delimiter that was detected (or null on failure).
+ */
+Dygraph.detectLineDelimiter = function(data) {
+  for (var i = 0; i < data.length; i++) {
+    var code = data.charAt(i);
+    if (code === '\r') {
+      // Might actually be "\r\n".
+      if (((i + 1) < data.length) && (data.charAt(i + 1) === '\n')) {
+        return '\r\n';
+      }
+      return code;
+    }
+    if (code === '\n') {
+      // Might actually be "\n\r".
+      if (((i + 1) < data.length) && (data.charAt(i + 1) === '\r')) {
+        return '\n\r';
+      }
+      return code;
+    }
+  }
+
+  return null;
+};
+
+/**
+ * Is one node contained by another?
+ * @param {Node} containee The contained node.
+ * @param {Node} container The container node.
+ * @return {boolean} Whether containee is inside (or equal to) container.
+ * @private
+ */
+Dygraph.isNodeContainedBy = function(containee, container) {
+  if (container === null || containee === null) {
+    return false;
+  }
+  var containeeNode = /** @type {Node} */ (containee);
+  while (containeeNode && containeeNode !== container) {
+    containeeNode = containeeNode.parentNode;
+  }
+  return (containeeNode === container);
+};
+
+
+// This masks some numeric issues in older versions of Firefox,
+// where 1.0/Math.pow(10,2) != Math.pow(10,-2).
+/** @type {function(number,number):number} */
+Dygraph.pow = function(base, exp) {
+  if (exp < 0) {
+    return 1.0 / Math.pow(base, -exp);
+  }
+  return Math.pow(base, exp);
+};
+
+/**
+ * Converts any valid CSS color (hex, rgb(), named color) to an RGB tuple.
+ *
+ * @param {!string} colorStr Any valid CSS color string.
+ * @return {{r:number,g:number,b:number}} Parsed RGB tuple.
+ * @private
+ */
+Dygraph.toRGB_ = function(colorStr) {
+  // TODO(danvk): cache color parses to avoid repeated DOM manipulation.
+  var div = document.createElement('div');
+  div.style.backgroundColor = colorStr;
+  div.style.visibility = 'hidden';
+  document.body.appendChild(div);
+  var rgbStr;
+  if (window.getComputedStyle) {
+    rgbStr = window.getComputedStyle(div, null).backgroundColor;
+  } else {
+    // IE8
+    rgbStr = div.currentStyle.backgroundColor;
+  }
+  document.body.removeChild(div);
+  var bits = /^rgb\((\d{1,3}),\s*(\d{1,3}),\s*(\d{1,3})\)$/.exec(rgbStr);
+  return {
+    r: parseInt(bits[1], 10),
+    g: parseInt(bits[2], 10),
+    b: parseInt(bits[3], 10)
+  };
+};
+
+/**
+ * Checks whether the browser supports the &lt;canvas&gt; tag.
+ * @param {HTMLCanvasElement=} opt_canvasElement Pass a canvas element as an
+ *     optimization if you have one.
+ * @return {boolean} Whether the browser supports canvas.
+ */
+Dygraph.isCanvasSupported = function(opt_canvasElement) {
+  var canvas;
+  try {
+    canvas = opt_canvasElement || document.createElement("canvas");
+    canvas.getContext("2d");
+  }
+  catch (e) {
+    var ie = navigator.appVersion.match(/MSIE (\d\.\d)/);
+    var opera = (navigator.userAgent.toLowerCase().indexOf("opera") != -1);
+    if ((!ie) || (ie[1] < 6) || (opera))
+      return false;
+    return true;
+  }
+  return true;
+};
+
+/**
+ * Parses the value as a floating point number. This is like the parseFloat()
+ * built-in, but with a few differences:
+ * - the empty string is parsed as null, rather than NaN.
+ * - if the string cannot be parsed at all, an error is logged.
+ * If the string can't be parsed, this method returns null.
+ * @param {string} x The string to be parsed
+ * @param {number=} opt_line_no The line number from which the string comes.
+ * @param {string=} opt_line The text of the line from which the string comes.
+ */
+Dygraph.parseFloat_ = function(x, opt_line_no, opt_line) {
+  var val = parseFloat(x);
+  if (!isNaN(val)) return val;
+
+  // Try to figure out what happeend.
+  // If the value is the empty string, parse it as null.
+  if (/^ *$/.test(x)) return null;
+
+  // If it was actually "NaN", return it as NaN.
+  if (/^ *nan *$/i.test(x)) return NaN;
+
+  // Looks like a parsing error.
+  var msg = "Unable to parse '" + x + "' as a number";
+  if (opt_line !== undefined && opt_line_no !== undefined) {
+    msg += " on line " + (1+(opt_line_no||0)) + " ('" + opt_line + "') of CSV.";
+  }
+  console.error(msg);
+
+  return null;
+};
+
+})();
+/**
+ * @license
+ * Copyright 2011 Dan Vanderkam (danvdk@gmail.com)
+ * MIT-licensed (http://opensource.org/licenses/MIT)
+ */
+
+/**
+ * @fileoverview A wrapper around the Dygraph class which implements the
+ * interface for a GViz (aka Google Visualization API) visualization.
+ * It is designed to be a drop-in replacement for Google's AnnotatedTimeline,
+ * so the documentation at
+ * http://code.google.com/apis/chart/interactive/docs/gallery/annotatedtimeline.html
+ * translates over directly.
+ *
+ * For a full demo, see:
+ * - http://dygraphs.com/tests/gviz.html
+ * - http://dygraphs.com/tests/annotation-gviz.html
+ */
+
+(function() {
+/*global Dygraph:false */
+"use strict";
+
+/**
+ * A wrapper around Dygraph that implements the gviz API.
+ * @param {!HTMLDivElement} container The DOM object the visualization should
+ *     live in.
+ * @constructor
+ */
+Dygraph.GVizChart = function(container) {
+  this.container = container;
+};
+
+/**
+ * @param {GVizDataTable} data
+ * @param {Object.<*>} options
+ */
+Dygraph.GVizChart.prototype.draw = function(data, options) {
+  // Clear out any existing dygraph.
+  // TODO(danvk): would it make more sense to simply redraw using the current
+  // date_graph object?
+  this.container.innerHTML = '';
+  if (typeof(this.date_graph) != 'undefined') {
+    this.date_graph.destroy();
+  }
+
+  this.date_graph = new Dygraph(this.container, data, options);
+};
+
+/**
+ * Google charts compatible setSelection
+ * Only row selection is supported, all points in the row will be highlighted
+ * @param {Array.<{row:number}>} selection_array array of the selected cells
+ * @public
+ */
+Dygraph.GVizChart.prototype.setSelection = function(selection_array) {
+  var row = false;
+  if (selection_array.length) {
+    row = selection_array[0].row;
+  }
+  this.date_graph.setSelection(row);
+};
+
+/**
+ * Google charts compatible getSelection implementation
+ * @return {Array.<{row:number,column:number}>} array of the selected cells
+ * @public
+ */
+Dygraph.GVizChart.prototype.getSelection = function() {
+  var selection = [];
+
+  var row = this.date_graph.getSelection();
+
+  if (row < 0) return selection;
+
+  var points = this.date_graph.layout_.points;
+  for (var setIdx = 0; setIdx < points.length; ++setIdx) {
+    selection.push({row: row, column: setIdx + 1});
+  }
+
+  return selection;
+};
+
+})();
+/**
+ * @license
+ * Copyright 2011 Robert Konigsberg (konigsberg@google.com)
+ * MIT-licensed (http://opensource.org/licenses/MIT)
+ */
+
+/**
+ * @fileoverview The default interaction model for Dygraphs. This is kept out
+ * of dygraph.js for better navigability.
+ * @author Robert Konigsberg (konigsberg@google.com)
+ */
+
+(function() {
+/*global Dygraph:false */
+"use strict";
+
+/**
+ * You can drag this many pixels past the edge of the chart and still have it
+ * be considered a zoom. This makes it easier to zoom to the exact edge of the
+ * chart, a fairly common operation.
+ */
+var DRAG_EDGE_MARGIN = 100;
+
+/**
+ * A collection of functions to facilitate build custom interaction models.
+ * @class
+ */
+Dygraph.Interaction = {};
+
+/**
+ * Checks whether the beginning & ending of an event were close enough that it
+ * should be considered a click. If it should, dispatch appropriate events.
+ * Returns true if the event was treated as a click.
+ *
+ * @param {Event} event
+ * @param {Dygraph} g
+ * @param {Object} context
+ */
+Dygraph.Interaction.maybeTreatMouseOpAsClick = function(event, g, context) {
+  context.dragEndX = Dygraph.dragGetX_(event, context);
+  context.dragEndY = Dygraph.dragGetY_(event, context);
+  var regionWidth = Math.abs(context.dragEndX - context.dragStartX);
+  var regionHeight = Math.abs(context.dragEndY - context.dragStartY);
+
+  if (regionWidth < 2 && regionHeight < 2 &&
+      g.lastx_ !== undefined && g.lastx_ != -1) {
+    Dygraph.Interaction.treatMouseOpAsClick(g, event, context);
+  }
+
+  context.regionWidth = regionWidth;
+  context.regionHeight = regionHeight;
+};
+
+/**
+ * Called in response to an interaction model operation that
+ * should start the default panning behavior.
+ *
+ * It's used in the default callback for "mousedown" operations.
+ * Custom interaction model builders can use it to provide the default
+ * panning behavior.
+ *
+ * @param {Event} event the event object which led to the startPan call.
+ * @param {Dygraph} g The dygraph on which to act.
+ * @param {Object} context The dragging context object (with
+ *     dragStartX/dragStartY/etc. properties). This function modifies the
+ *     context.
+ */
+Dygraph.Interaction.startPan = function(event, g, context) {
+  var i, axis;
+  context.isPanning = true;
+  var xRange = g.xAxisRange();
+
+  if (g.getOptionForAxis("logscale", "x")) {
+    context.initialLeftmostDate = Dygraph.log10(xRange[0]);
+    context.dateRange = Dygraph.log10(xRange[1]) - Dygraph.log10(xRange[0]);
+  } else {
+    context.initialLeftmostDate = xRange[0];    
+    context.dateRange = xRange[1] - xRange[0];
+  }
+  context.xUnitsPerPixel = context.dateRange / (g.plotter_.area.w - 1);
+
+  if (g.getNumericOption("panEdgeFraction")) {
+    var maxXPixelsToDraw = g.width_ * g.getNumericOption("panEdgeFraction");
+    var xExtremes = g.xAxisExtremes(); // I REALLY WANT TO CALL THIS xTremes!
+
+    var boundedLeftX = g.toDomXCoord(xExtremes[0]) - maxXPixelsToDraw;
+    var boundedRightX = g.toDomXCoord(xExtremes[1]) + maxXPixelsToDraw;
+
+    var boundedLeftDate = g.toDataXCoord(boundedLeftX);
+    var boundedRightDate = g.toDataXCoord(boundedRightX);
+    context.boundedDates = [boundedLeftDate, boundedRightDate];
+
+    var boundedValues = [];
+    var maxYPixelsToDraw = g.height_ * g.getNumericOption("panEdgeFraction");
+
+    for (i = 0; i < g.axes_.length; i++) {
+      axis = g.axes_[i];
+      var yExtremes = axis.extremeRange;
+
+      var boundedTopY = g.toDomYCoord(yExtremes[0], i) + maxYPixelsToDraw;
+      var boundedBottomY = g.toDomYCoord(yExtremes[1], i) - maxYPixelsToDraw;
+
+      var boundedTopValue = g.toDataYCoord(boundedTopY, i);
+      var boundedBottomValue = g.toDataYCoord(boundedBottomY, i);
+
+      boundedValues[i] = [boundedTopValue, boundedBottomValue];
+    }
+    context.boundedValues = boundedValues;
+  }
+
+  // Record the range of each y-axis at the start of the drag.
+  // If any axis has a valueRange or valueWindow, then we want a 2D pan.
+  // We can't store data directly in g.axes_, because it does not belong to us
+  // and could change out from under us during a pan (say if there's a data
+  // update).
+  context.is2DPan = false;
+  context.axes = [];
+  for (i = 0; i < g.axes_.length; i++) {
+    axis = g.axes_[i];
+    var axis_data = {};
+    var yRange = g.yAxisRange(i);
+    // TODO(konigsberg): These values should be in |context|.
+    // In log scale, initialTopValue, dragValueRange and unitsPerPixel are log scale.
+    var logscale = g.attributes_.getForAxis("logscale", i);
+    if (logscale) {
+      axis_data.initialTopValue = Dygraph.log10(yRange[1]);
+      axis_data.dragValueRange = Dygraph.log10(yRange[1]) - Dygraph.log10(yRange[0]);
+    } else {
+      axis_data.initialTopValue = yRange[1];
+      axis_data.dragValueRange = yRange[1] - yRange[0];
+    }
+    axis_data.unitsPerPixel = axis_data.dragValueRange / (g.plotter_.area.h - 1);
+    context.axes.push(axis_data);
+
+    // While calculating axes, set 2dpan.
+    if (axis.valueWindow || axis.valueRange) context.is2DPan = true;
+  }
+};
+
+/**
+ * Called in response to an interaction model operation that
+ * responds to an event that pans the view.
+ *
+ * It's used in the default callback for "mousemove" operations.
+ * Custom interaction model builders can use it to provide the default
+ * panning behavior.
+ *
+ * @param {Event} event the event object which led to the movePan call.
+ * @param {Dygraph} g The dygraph on which to act.
+ * @param {Object} context The dragging context object (with
+ *     dragStartX/dragStartY/etc. properties). This function modifies the
+ *     context.
+ */
+Dygraph.Interaction.movePan = function(event, g, context) {
+  context.dragEndX = Dygraph.dragGetX_(event, context);
+  context.dragEndY = Dygraph.dragGetY_(event, context);
+
+  var minDate = context.initialLeftmostDate -
+    (context.dragEndX - context.dragStartX) * context.xUnitsPerPixel;
+  if (context.boundedDates) {
+    minDate = Math.max(minDate, context.boundedDates[0]);
+  }
+  var maxDate = minDate + context.dateRange;
+  if (context.boundedDates) {
+    if (maxDate > context.boundedDates[1]) {
+      // Adjust minDate, and recompute maxDate.
+      minDate = minDate - (maxDate - context.boundedDates[1]);
+      maxDate = minDate + context.dateRange;
+    }
+  }
+
+  if (g.getOptionForAxis("logscale", "x")) {
+    g.dateWindow_ = [ Math.pow(Dygraph.LOG_SCALE, minDate),
+                      Math.pow(Dygraph.LOG_SCALE, maxDate) ];
+  } else {
+    g.dateWindow_ = [minDate, maxDate];    
+  }
+
+  // y-axis scaling is automatic unless this is a full 2D pan.
+  if (context.is2DPan) {
+
+    var pixelsDragged = context.dragEndY - context.dragStartY;
+
+    // Adjust each axis appropriately.
+    for (var i = 0; i < g.axes_.length; i++) {
+      var axis = g.axes_[i];
+      var axis_data = context.axes[i];
+      var unitsDragged = pixelsDragged * axis_data.unitsPerPixel;
+
+      var boundedValue = context.boundedValues ? context.boundedValues[i] : null;
+
+      // In log scale, maxValue and minValue are the logs of those values.
+      var maxValue = axis_data.initialTopValue + unitsDragged;
+      if (boundedValue) {
+        maxValue = Math.min(maxValue, boundedValue[1]);
+      }
+      var minValue = maxValue - axis_data.dragValueRange;
+      if (boundedValue) {
+        if (minValue < boundedValue[0]) {
+          // Adjust maxValue, and recompute minValue.
+          maxValue = maxValue - (minValue - boundedValue[0]);
+          minValue = maxValue - axis_data.dragValueRange;
+        }
+      }
+      if (g.attributes_.getForAxis("logscale", i)) {
+        axis.valueWindow = [ Math.pow(Dygraph.LOG_SCALE, minValue),
+                             Math.pow(Dygraph.LOG_SCALE, maxValue) ];
+      } else {
+        axis.valueWindow = [ minValue, maxValue ];
+      }
+    }
+  }
+
+  g.drawGraph_(false);
+};
+
+/**
+ * Called in response to an interaction model operation that
+ * responds to an event that ends panning.
+ *
+ * It's used in the default callback for "mouseup" operations.
+ * Custom interaction model builders can use it to provide the default
+ * panning behavior.
+ *
+ * @param {Event} event the event object which led to the endPan call.
+ * @param {Dygraph} g The dygraph on which to act.
+ * @param {Object} context The dragging context object (with
+ *     dragStartX/dragStartY/etc. properties). This function modifies the
+ *     context.
+ */
+Dygraph.Interaction.endPan = Dygraph.Interaction.maybeTreatMouseOpAsClick;
+
+/**
+ * Called in response to an interaction model operation that
+ * responds to an event that starts zooming.
+ *
+ * It's used in the default callback for "mousedown" operations.
+ * Custom interaction model builders can use it to provide the default
+ * zooming behavior.
+ *
+ * @param {Event} event the event object which led to the startZoom call.
+ * @param {Dygraph} g The dygraph on which to act.
+ * @param {Object} context The dragging context object (with
+ *     dragStartX/dragStartY/etc. properties). This function modifies the
+ *     context.
+ */
+Dygraph.Interaction.startZoom = function(event, g, context) {
+  context.isZooming = true;
+  context.zoomMoved = false;
+};
+
+/**
+ * Called in response to an interaction model operation that
+ * responds to an event that defines zoom boundaries.
+ *
+ * It's used in the default callback for "mousemove" operations.
+ * Custom interaction model builders can use it to provide the default
+ * zooming behavior.
+ *
+ * @param {Event} event the event object which led to the moveZoom call.
+ * @param {Dygraph} g The dygraph on which to act.
+ * @param {Object} context The dragging context object (with
+ *     dragStartX/dragStartY/etc. properties). This function modifies the
+ *     context.
+ */
+Dygraph.Interaction.moveZoom = function(event, g, context) {
+  context.zoomMoved = true;
+  context.dragEndX = Dygraph.dragGetX_(event, context);
+  context.dragEndY = Dygraph.dragGetY_(event, context);
+
+  var xDelta = Math.abs(context.dragStartX - context.dragEndX);
+  var yDelta = Math.abs(context.dragStartY - context.dragEndY);
+
+  // drag direction threshold for y axis is twice as large as x axis
+  context.dragDirection = (xDelta < yDelta / 2) ? Dygraph.VERTICAL : Dygraph.HORIZONTAL;
+
+  g.drawZoomRect_(
+      context.dragDirection,
+      context.dragStartX,
+      context.dragEndX,
+      context.dragStartY,
+      context.dragEndY,
+      context.prevDragDirection,
+      context.prevEndX,
+      context.prevEndY);
+
+  context.prevEndX = context.dragEndX;
+  context.prevEndY = context.dragEndY;
+  context.prevDragDirection = context.dragDirection;
+};
+
+/**
+ * TODO(danvk): move this logic into dygraph.js
+ * @param {Dygraph} g
+ * @param {Event} event
+ * @param {Object} context
+ */
+Dygraph.Interaction.treatMouseOpAsClick = function(g, event, context) {
+  var clickCallback = g.getFunctionOption('clickCallback');
+  var pointClickCallback = g.getFunctionOption('pointClickCallback');
+
+  var selectedPoint = null;
+
+  // Find out if the click occurs on a point.
+  var closestIdx = -1;
+  var closestDistance = Number.MAX_VALUE;
+
+  // check if the click was on a particular point.
+  for (var i = 0; i < g.selPoints_.length; i++) {
+    var p = g.selPoints_[i];
+    var distance = Math.pow(p.canvasx - context.dragEndX, 2) +
+                   Math.pow(p.canvasy - context.dragEndY, 2);
+    if (!isNaN(distance) &&
+        (closestIdx == -1 || distance < closestDistance)) {
+      closestDistance = distance;
+      closestIdx = i;
+    }
+  }
+
+  // Allow any click within two pixels of the dot.
+  var radius = g.getNumericOption('highlightCircleSize') + 2;
+  if (closestDistance <= radius * radius) {
+    selectedPoint = g.selPoints_[closestIdx];
+  }
+
+  if (selectedPoint) {
+    var e = {
+      cancelable: true,
+      point: selectedPoint,
+      canvasx: context.dragEndX,
+      canvasy: context.dragEndY
+    };
+    var defaultPrevented = g.cascadeEvents_('pointClick', e);
+    if (defaultPrevented) {
+      // Note: this also prevents click / clickCallback from firing.
+      return;
+    }
+    if (pointClickCallback) {
+      pointClickCallback.call(g, event, selectedPoint);
+    }
+  }
+
+  var e = {
+    cancelable: true,
+    xval: g.lastx_,  // closest point by x value
+    pts: g.selPoints_,
+    canvasx: context.dragEndX,
+    canvasy: context.dragEndY
+  };
+  if (!g.cascadeEvents_('click', e)) {
+    if (clickCallback) {
+      // TODO(danvk): pass along more info about the points, e.g. 'x'
+      clickCallback.call(g, event, g.lastx_, g.selPoints_);
+    }
+  }
+};
+
+/**
+ * Called in response to an interaction model operation that
+ * responds to an event that performs a zoom based on previously defined
+ * bounds..
+ *
+ * It's used in the default callback for "mouseup" operations.
+ * Custom interaction model builders can use it to provide the default
+ * zooming behavior.
+ *
+ * @param {Event} event the event object which led to the endZoom call.
+ * @param {Dygraph} g The dygraph on which to end the zoom.
+ * @param {Object} context The dragging context object (with
+ *     dragStartX/dragStartY/etc. properties). This function modifies the
+ *     context.
+ */
+Dygraph.Interaction.endZoom = function(event, g, context) {
+  g.clearZoomRect_();
+  context.isZooming = false;
+  Dygraph.Interaction.maybeTreatMouseOpAsClick(event, g, context);
+
+  // The zoom rectangle is visibly clipped to the plot area, so its behavior
+  // should be as well.
+  // See http://code.google.com/p/dygraphs/issues/detail?id=280
+  var plotArea = g.getArea();
+  if (context.regionWidth >= 10 &&
+      context.dragDirection == Dygraph.HORIZONTAL) {
+    var left = Math.min(context.dragStartX, context.dragEndX),
+        right = Math.max(context.dragStartX, context.dragEndX);
+    left = Math.max(left, plotArea.x);
+    right = Math.min(right, plotArea.x + plotArea.w);
+    if (left < right) {
+      g.doZoomX_(left, right);
+    }
+    context.cancelNextDblclick = true;
+  } else if (context.regionHeight >= 10 &&
+             context.dragDirection == Dygraph.VERTICAL) {
+    var top = Math.min(context.dragStartY, context.dragEndY),
+        bottom = Math.max(context.dragStartY, context.dragEndY);
+    top = Math.max(top, plotArea.y);
+    bottom = Math.min(bottom, plotArea.y + plotArea.h);
+    if (top < bottom) {
+      g.doZoomY_(top, bottom);
+    }
+    context.cancelNextDblclick = true;
+  }
+  context.dragStartX = null;
+  context.dragStartY = null;
+};
+
+/**
+ * @private
+ */
+Dygraph.Interaction.startTouch = function(event, g, context) {
+  event.preventDefault();  // touch browsers are all nice.
+  if (event.touches.length > 1) {
+    // If the user ever puts two fingers down, it's not a double tap.
+    context.startTimeForDoubleTapMs = null;
+  }
+
+  var touches = [];
+  for (var i = 0; i < event.touches.length; i++) {
+    var t = event.touches[i];
+    // we dispense with 'dragGetX_' because all touchBrowsers support pageX
+    touches.push({
+      pageX: t.pageX,
+      pageY: t.pageY,
+      dataX: g.toDataXCoord(t.pageX),
+      dataY: g.toDataYCoord(t.pageY)
+      // identifier: t.identifier
+    });
+  }
+  context.initialTouches = touches;
+
+  if (touches.length == 1) {
+    // This is just a swipe.
+    context.initialPinchCenter = touches[0];
+    context.touchDirections = { x: true, y: true };
+  } else if (touches.length >= 2) {
+    // It's become a pinch!
+    // In case there are 3+ touches, we ignore all but the "first" two.
+
+    // only screen coordinates can be averaged (data coords could be log scale).
+    context.initialPinchCenter = {
+      pageX: 0.5 * (touches[0].pageX + touches[1].pageX),
+      pageY: 0.5 * (touches[0].pageY + touches[1].pageY),
+
+      // TODO(danvk): remove
+      dataX: 0.5 * (touches[0].dataX + touches[1].dataX),
+      dataY: 0.5 * (touches[0].dataY + touches[1].dataY)
+    };
+
+    // Make pinches in a 45-degree swath around either axis 1-dimensional zooms.
+    var initialAngle = 180 / Math.PI * Math.atan2(
+        context.initialPinchCenter.pageY - touches[0].pageY,
+        touches[0].pageX - context.initialPinchCenter.pageX);
+
+    // use symmetry to get it into the first quadrant.
+    initialAngle = Math.abs(initialAngle);
+    if (initialAngle > 90) initialAngle = 90 - initialAngle;
+
+    context.touchDirections = {
+      x: (initialAngle < (90 - 45/2)),
+      y: (initialAngle > 45/2)
+    };
+  }
+
+  // save the full x & y ranges.
+  context.initialRange = {
+    x: g.xAxisRange(),
+    y: g.yAxisRange()
+  };
+};
+
+/**
+ * @private
+ */
+Dygraph.Interaction.moveTouch = function(event, g, context) {
+  // If the tap moves, then it's definitely not part of a double-tap.
+  context.startTimeForDoubleTapMs = null;
+
+  var i, touches = [];
+  for (i = 0; i < event.touches.length; i++) {
+    var t = event.touches[i];
+    touches.push({
+      pageX: t.pageX,
+      pageY: t.pageY
+    });
+  }
+  var initialTouches = context.initialTouches;
+
+  var c_now;
+
+  // old and new centers.
+  var c_init = context.initialPinchCenter;
+  if (touches.length == 1) {
+    c_now = touches[0];
+  } else {
+    c_now = {
+      pageX: 0.5 * (touches[0].pageX + touches[1].pageX),
+      pageY: 0.5 * (touches[0].pageY + touches[1].pageY)
+    };
+  }
+
+  // this is the "swipe" component
+  // we toss it out for now, but could use it in the future.
+  var swipe = {
+    pageX: c_now.pageX - c_init.pageX,
+    pageY: c_now.pageY - c_init.pageY
+  };
+  var dataWidth = context.initialRange.x[1] - context.initialRange.x[0];
+  var dataHeight = context.initialRange.y[0] - context.initialRange.y[1];
+  swipe.dataX = (swipe.pageX / g.plotter_.area.w) * dataWidth;
+  swipe.dataY = (swipe.pageY / g.plotter_.area.h) * dataHeight;
+  var xScale, yScale;
+
+  // The residual bits are usually split into scale & rotate bits, but we split
+  // them into x-scale and y-scale bits.
+  if (touches.length == 1) {
+    xScale = 1.0;
+    yScale = 1.0;
+  } else if (touches.length >= 2) {
+    var initHalfWidth = (initialTouches[1].pageX - c_init.pageX);
+    xScale = (touches[1].pageX - c_now.pageX) / initHalfWidth;
+
+    var initHalfHeight = (initialTouches[1].pageY - c_init.pageY);
+    yScale = (touches[1].pageY - c_now.pageY) / initHalfHeight;
+  }
+
+  // Clip scaling to [1/8, 8] to prevent too much blowup.
+  xScale = Math.min(8, Math.max(0.125, xScale));
+  yScale = Math.min(8, Math.max(0.125, yScale));
+
+  var didZoom = false;
+  if (context.touchDirections.x) {
+    g.dateWindow_ = [
+      c_init.dataX - swipe.dataX + (context.initialRange.x[0] - c_init.dataX) / xScale,
+      c_init.dataX - swipe.dataX + (context.initialRange.x[1] - c_init.dataX) / xScale
+    ];
+    didZoom = true;
+  }
+  
+  if (context.touchDirections.y) {
+    for (i = 0; i < 1  /*g.axes_.length*/; i++) {
+      var axis = g.axes_[i];
+      var logscale = g.attributes_.getForAxis("logscale", i);
+      if (logscale) {
+        // TODO(danvk): implement
+      } else {
+        axis.valueWindow = [
+          c_init.dataY - swipe.dataY + (context.initialRange.y[0] - c_init.dataY) / yScale,
+          c_init.dataY - swipe.dataY + (context.initialRange.y[1] - c_init.dataY) / yScale
+        ];
+        didZoom = true;
+      }
+    }
+  }
+
+  g.drawGraph_(false);
+
+  // We only call zoomCallback on zooms, not pans, to mirror desktop behavior.
+  if (didZoom && touches.length > 1 && g.getFunctionOption('zoomCallback')) {
+    var viewWindow = g.xAxisRange();
+    g.getFunctionOption("zoomCallback").call(g, viewWindow[0], viewWindow[1], g.yAxisRanges());
+  }
+};
+
+/**
+ * @private
+ */
+Dygraph.Interaction.endTouch = function(event, g, context) {
+  if (event.touches.length !== 0) {
+    // this is effectively a "reset"
+    Dygraph.Interaction.startTouch(event, g, context);
+  } else if (event.changedTouches.length == 1) {
+    // Could be part of a "double tap"
+    // The heuristic here is that it's a double-tap if the two touchend events
+    // occur within 500ms and within a 50x50 pixel box.
+    var now = new Date().getTime();
+    var t = event.changedTouches[0];
+    if (context.startTimeForDoubleTapMs &&
+        now - context.startTimeForDoubleTapMs < 500 &&
+        context.doubleTapX && Math.abs(context.doubleTapX - t.screenX) < 50 &&
+        context.doubleTapY && Math.abs(context.doubleTapY - t.screenY) < 50) {
+      g.resetZoom();
+    } else {
+      context.startTimeForDoubleTapMs = now;
+      context.doubleTapX = t.screenX;
+      context.doubleTapY = t.screenY;
+    }
+  }
+};
+
+// Determine the distance from x to [left, right].
+var distanceFromInterval = function(x, left, right) {
+  if (x < left) {
+    return left - x;
+  } else if (x > right) {
+    return x - right;
+  } else {
+    return 0;
+  }
+};
+
+/**
+ * Returns the number of pixels by which the event happens from the nearest
+ * edge of the chart. For events in the interior of the chart, this returns zero.
+ */
+var distanceFromChart = function(event, g) {
+  var chartPos = Dygraph.findPos(g.canvas_);
+  var box = {
+    left: chartPos.x,
+    right: chartPos.x + g.canvas_.offsetWidth,
+    top: chartPos.y,
+    bottom: chartPos.y + g.canvas_.offsetHeight
+  };
+
+  var pt = {
+    x: Dygraph.pageX(event),
+    y: Dygraph.pageY(event)
+  };
+
+  var dx = distanceFromInterval(pt.x, box.left, box.right),
+      dy = distanceFromInterval(pt.y, box.top, box.bottom);
+  return Math.max(dx, dy);
+};
+
+/**
+ * Default interation model for dygraphs. You can refer to specific elements of
+ * this when constructing your own interaction model, e.g.:
+ * g.updateOptions( {
+ *   interactionModel: {
+ *     mousedown: Dygraph.defaultInteractionModel.mousedown
+ *   }
+ * } );
+ */
+Dygraph.Interaction.defaultModel = {
+  // Track the beginning of drag events
+  mousedown: function(event, g, context) {
+    // Right-click should not initiate a zoom.
+    if (event.button && event.button == 2) return;
+
+    context.initializeMouseDown(event, g, context);
+
+    if (event.altKey || event.shiftKey) {
+      Dygraph.startPan(event, g, context);
+    } else {
+      Dygraph.startZoom(event, g, context);
+    }
+
+    // Note: we register mousemove/mouseup on document to allow some leeway for
+    // events to move outside of the chart. Interaction model events get
+    // registered on the canvas, which is too small to allow this.
+    var mousemove = function(event) {
+      if (context.isZooming) {
+        // When the mouse moves >200px from the chart edge, cancel the zoom.
+        var d = distanceFromChart(event, g);
+        if (d < DRAG_EDGE_MARGIN) {
+          Dygraph.moveZoom(event, g, context);
+        } else {
+          if (context.dragEndX !== null) {
+            context.dragEndX = null;
+            context.dragEndY = null;
+            g.clearZoomRect_();
+          }
+        }
+      } else if (context.isPanning) {
+        Dygraph.movePan(event, g, context);
+      }
+    };
+    var mouseup = function(event) {
+      if (context.isZooming) {
+        if (context.dragEndX !== null) {
+          Dygraph.endZoom(event, g, context);
+        } else {
+          Dygraph.Interaction.maybeTreatMouseOpAsClick(event, g, context);
+        }
+      } else if (context.isPanning) {
+        Dygraph.endPan(event, g, context);
+      }
+
+      Dygraph.removeEvent(document, 'mousemove', mousemove);
+      Dygraph.removeEvent(document, 'mouseup', mouseup);
+      context.destroy();
+    };
+
+    g.addAndTrackEvent(document, 'mousemove', mousemove);
+    g.addAndTrackEvent(document, 'mouseup', mouseup);
+  },
+  willDestroyContextMyself: true,
+
+  touchstart: function(event, g, context) {
+    Dygraph.Interaction.startTouch(event, g, context);
+  },
+  touchmove: function(event, g, context) {
+    Dygraph.Interaction.moveTouch(event, g, context);
+  },
+  touchend: function(event, g, context) {
+    Dygraph.Interaction.endTouch(event, g, context);
+  },
+
+  // Disable zooming out if panning.
+  dblclick: function(event, g, context) {
+    if (context.cancelNextDblclick) {
+      context.cancelNextDblclick = false;
+      return;
+    }
+
+    // Give plugins a chance to grab this event.
+    var e = {
+      canvasx: context.dragEndX,
+      canvasy: context.dragEndY
+    };
+    if (g.cascadeEvents_('dblclick', e)) {
+      return;
+    }
+
+    if (event.altKey || event.shiftKey) {
+      return;
+    }
+    g.resetZoom();
+  }
+};
+
+Dygraph.DEFAULT_ATTRS.interactionModel = Dygraph.Interaction.defaultModel;
+
+// old ways of accessing these methods/properties
+Dygraph.defaultInteractionModel = Dygraph.Interaction.defaultModel;
+Dygraph.endZoom = Dygraph.Interaction.endZoom;
+Dygraph.moveZoom = Dygraph.Interaction.moveZoom;
+Dygraph.startZoom = Dygraph.Interaction.startZoom;
+Dygraph.endPan = Dygraph.Interaction.endPan;
+Dygraph.movePan = Dygraph.Interaction.movePan;
+Dygraph.startPan = Dygraph.Interaction.startPan;
+
+Dygraph.Interaction.nonInteractiveModel_ = {
+  mousedown: function(event, g, context) {
+    context.initializeMouseDown(event, g, context);
+  },
+  mouseup: Dygraph.Interaction.maybeTreatMouseOpAsClick
+};
+
+// Default interaction model when using the range selector.
+Dygraph.Interaction.dragIsPanInteractionModel = {
+  mousedown: function(event, g, context) {
+    context.initializeMouseDown(event, g, context);
+    Dygraph.startPan(event, g, context);
+  },
+  mousemove: function(event, g, context) {
+    if (context.isPanning) {
+      Dygraph.movePan(event, g, context);
+    }
+  },
+  mouseup: function(event, g, context) {
+    if (context.isPanning) {
+      Dygraph.endPan(event, g, context);
+    }
+  }
+};
+
+})();
+/**
+ * @license
+ * Copyright 2011 Dan Vanderkam (danvdk@gmail.com)
+ * MIT-licensed (http://opensource.org/licenses/MIT)
+ */
+
+/**
+ * @fileoverview Description of this file.
+ * @author danvk@google.com (Dan Vanderkam)
+ *
+ * A ticker is a function with the following interface:
+ *
+ * function(a, b, pixels, options_view, dygraph, forced_values);
+ * -> [ { v: tick1_v, label: tick1_label[, label_v: label_v1] },
+ *      { v: tick2_v, label: tick2_label[, label_v: label_v2] },
+ *      ...
+ *    ]
+ *
+ * The returned value is called a "tick list".
+ *
+ * Arguments
+ * ---------
+ *
+ * [a, b] is the range of the axis for which ticks are being generated. For a
+ * numeric axis, these will simply be numbers. For a date axis, these will be
+ * millis since epoch (convertable to Date objects using "new Date(a)" and "new
+ * Date(b)").
+ *
+ * opts provides access to chart- and axis-specific options. It can be used to
+ * access number/date formatting code/options, check for a log scale, etc.
+ *
+ * pixels is the length of the axis in pixels. opts('pixelsPerLabel') is the
+ * minimum amount of space to be allotted to each label. For instance, if
+ * pixels=400 and opts('pixelsPerLabel')=40 then the ticker should return
+ * between zero and ten (400/40) ticks.
+ *
+ * dygraph is the Dygraph object for which an axis is being constructed.
+ *
+ * forced_values is used for secondary y-axes. The tick positions are typically
+ * set by the primary y-axis, so the secondary y-axis has no choice in where to
+ * put these. It simply has to generate labels for these data values.
+ *
+ * Tick lists
+ * ----------
+ * Typically a tick will have both a grid/tick line and a label at one end of
+ * that line (at the bottom for an x-axis, at left or right for the y-axis).
+ *
+ * A tick may be missing one of these two components:
+ * - If "label_v" is specified instead of "v", then there will be no tick or
+ *   gridline, just a label.
+ * - Similarly, if "label" is not specified, then there will be a gridline
+ *   without a label.
+ *
+ * This flexibility is useful in a few situations:
+ * - For log scales, some of the tick lines may be too close to all have labels.
+ * - For date scales where years are being displayed, it is desirable to display
+ *   tick marks at the beginnings of years but labels (e.g. "2006") in the
+ *   middle of the years.
+ */
+
+/*jshint sub:true */
+/*global Dygraph:false */
+(function() {
+"use strict";
+
+/** @typedef {Array.<{v:number, label:string, label_v:(string|undefined)}>} */
+Dygraph.TickList = undefined;  // the ' = undefined' keeps jshint happy.
+
+/** @typedef {function(
+ *    number,
+ *    number,
+ *    number,
+ *    function(string):*,
+ *    Dygraph=,
+ *    Array.<number>=
+ *  ): Dygraph.TickList}
+ */
+Dygraph.Ticker = undefined;  // the ' = undefined' keeps jshint happy.
+
+/** @type {Dygraph.Ticker} */
+Dygraph.numericLinearTicks = function(a, b, pixels, opts, dygraph, vals) {
+  var nonLogscaleOpts = function(opt) {
+    if (opt === 'logscale') return false;
+    return opts(opt);
+  };
+  return Dygraph.numericTicks(a, b, pixels, nonLogscaleOpts, dygraph, vals);
+};
+
+/** @type {Dygraph.Ticker} */
+Dygraph.numericTicks = function(a, b, pixels, opts, dygraph, vals) {
+  var pixels_per_tick = /** @type{number} */(opts('pixelsPerLabel'));
+  var ticks = [];
+  var i, j, tickV, nTicks;
+  if (vals) {
+    for (i = 0; i < vals.length; i++) {
+      ticks.push({v: vals[i]});
+    }
+  } else {
+    // TODO(danvk): factor this log-scale block out into a separate function.
+    if (opts("logscale")) {
+      nTicks  = Math.floor(pixels / pixels_per_tick);
+      var minIdx = Dygraph.binarySearch(a, Dygraph.PREFERRED_LOG_TICK_VALUES, 1);
+      var maxIdx = Dygraph.binarySearch(b, Dygraph.PREFERRED_LOG_TICK_VALUES, -1);
+      if (minIdx == -1) {
+        minIdx = 0;
+      }
+      if (maxIdx == -1) {
+        maxIdx = Dygraph.PREFERRED_LOG_TICK_VALUES.length - 1;
+      }
+      // Count the number of tick values would appear, if we can get at least
+      // nTicks / 4 accept them.
+      var lastDisplayed = null;
+      if (maxIdx - minIdx >= nTicks / 4) {
+        for (var idx = maxIdx; idx >= minIdx; idx--) {
+          var tickValue = Dygraph.PREFERRED_LOG_TICK_VALUES[idx];
+          var pixel_coord = Math.log(tickValue / a) / Math.log(b / a) * pixels;
+          var tick = { v: tickValue };
+          if (lastDisplayed === null) {
+            lastDisplayed = {
+              tickValue : tickValue,
+              pixel_coord : pixel_coord
+            };
+          } else {
+            if (Math.abs(pixel_coord - lastDisplayed.pixel_coord) >= pixels_per_tick) {
+              lastDisplayed = {
+                tickValue : tickValue,
+                pixel_coord : pixel_coord
+              };
+            } else {
+              tick.label = "";
+            }
+          }
+          ticks.push(tick);
+        }
+        // Since we went in backwards order.
+        ticks.reverse();
+      }
+    }
+
+    // ticks.length won't be 0 if the log scale function finds values to insert.
+    if (ticks.length === 0) {
+      // Basic idea:
+      // Try labels every 1, 2, 5, 10, 20, 50, 100, etc.
+      // Calculate the resulting tick spacing (i.e. this.height_ / nTicks).
+      // The first spacing greater than pixelsPerYLabel is what we use.
+      // TODO(danvk): version that works on a log scale.
+      var kmg2 = opts("labelsKMG2");
+      var mults, base;
+      if (kmg2) {
+        mults = [1, 2, 4, 8, 16, 32, 64, 128, 256];
+        base = 16;
+      } else {
+        mults = [1, 2, 5, 10, 20, 50, 100];
+        base = 10;
+      }
+
+      // Get the maximum number of permitted ticks based on the
+      // graph's pixel size and pixels_per_tick setting.
+      var max_ticks = Math.ceil(pixels / pixels_per_tick);
+
+      // Now calculate the data unit equivalent of this tick spacing.
+      // Use abs() since graphs may have a reversed Y axis.
+      var units_per_tick = Math.abs(b - a) / max_ticks;
+
+      // Based on this, get a starting scale which is the largest
+      // integer power of the chosen base (10 or 16) that still remains
+      // below the requested pixels_per_tick spacing.
+      var base_power = Math.floor(Math.log(units_per_tick) / Math.log(base));
+      var base_scale = Math.pow(base, base_power);
+
+      // Now try multiples of the starting scale until we find one
+      // that results in tick marks spaced sufficiently far apart.
+      // The "mults" array should cover the range 1 .. base^2 to
+      // adjust for rounding and edge effects.
+      var scale, low_val, high_val, spacing;
+      for (j = 0; j < mults.length; j++) {
+        scale = base_scale * mults[j];
+        low_val = Math.floor(a / scale) * scale;
+        high_val = Math.ceil(b / scale) * scale;
+        nTicks = Math.abs(high_val - low_val) / scale;
+        spacing = pixels / nTicks;
+        if (spacing > pixels_per_tick) break;
+      }
+
+      // Construct the set of ticks.
+      // Allow reverse y-axis if it's explicitly requested.
+      if (low_val > high_val) scale *= -1;
+      for (i = 0; i <= nTicks; i++) {
+        tickV = low_val + i * scale;
+        ticks.push( {v: tickV} );
+      }
+    }
+  }
+
+  var formatter = /**@type{AxisLabelFormatter}*/(opts('axisLabelFormatter'));
+
+  // Add labels to the ticks.
+  for (i = 0; i < ticks.length; i++) {
+    if (ticks[i].label !== undefined) continue;  // Use current label.
+    // TODO(danvk): set granularity to something appropriate here.
+    ticks[i].label = formatter(ticks[i].v, 0, opts, dygraph);
+  }
+
+  return ticks;
+};
+
+
+/** @type {Dygraph.Ticker} */
+Dygraph.dateTicker = function(a, b, pixels, opts, dygraph, vals) {
+  var chosen = Dygraph.pickDateTickGranularity(a, b, pixels, opts);
+
+  if (chosen >= 0) {
+    return Dygraph.getDateAxis(a, b, chosen, opts, dygraph);
+  } else {
+    // this can happen if self.width_ is zero.
+    return [];
+  }
+};
+
+// Time granularity enumeration
+// TODO(danvk): make this an @enum
+Dygraph.SECONDLY = 0;
+Dygraph.TWO_SECONDLY = 1;
+Dygraph.FIVE_SECONDLY = 2;
+Dygraph.TEN_SECONDLY = 3;
+Dygraph.THIRTY_SECONDLY  = 4;
+Dygraph.MINUTELY = 5;
+Dygraph.TWO_MINUTELY = 6;
+Dygraph.FIVE_MINUTELY = 7;
+Dygraph.TEN_MINUTELY = 8;
+Dygraph.THIRTY_MINUTELY = 9;
+Dygraph.HOURLY = 10;
+Dygraph.TWO_HOURLY = 11;
+Dygraph.SIX_HOURLY = 12;
+Dygraph.DAILY = 13;
+Dygraph.TWO_DAILY = 14;
+Dygraph.WEEKLY = 15;
+Dygraph.MONTHLY = 16;
+Dygraph.QUARTERLY = 17;
+Dygraph.BIANNUAL = 18;
+Dygraph.ANNUAL = 19;
+Dygraph.DECADAL = 20;
+Dygraph.CENTENNIAL = 21;
+Dygraph.NUM_GRANULARITIES = 22;
+
+// Date components enumeration (in the order of the arguments in Date)
+// TODO: make this an @enum
+Dygraph.DATEFIELD_Y = 0;
+Dygraph.DATEFIELD_M = 1;
+Dygraph.DATEFIELD_D = 2;
+Dygraph.DATEFIELD_HH = 3;
+Dygraph.DATEFIELD_MM = 4;
+Dygraph.DATEFIELD_SS = 5;
+Dygraph.DATEFIELD_MS = 6;
+Dygraph.NUM_DATEFIELDS = 7;
+
+
+/**
+ * The value of datefield will start at an even multiple of "step", i.e.
+ *   if datefield=SS and step=5 then the first tick will be on a multiple of 5s.
+ *
+ * For granularities <= HOURLY, ticks are generated every `spacing` ms.
+ *
+ * At coarser granularities, ticks are generated by incrementing `datefield` by
+ *   `step`. In this case, the `spacing` value is only used to estimate the
+ *   number of ticks. It should roughly correspond to the spacing between
+ *   adjacent ticks.
+ *
+ * @type {Array.<{datefield:number, step:number, spacing:number}>}
+ */
+Dygraph.TICK_PLACEMENT = [];
+Dygraph.TICK_PLACEMENT[Dygraph.SECONDLY]        = {datefield: Dygraph.DATEFIELD_SS, step:   1, spacing: 1000 * 1};
+Dygraph.TICK_PLACEMENT[Dygraph.TWO_SECONDLY]    = {datefield: Dygraph.DATEFIELD_SS, step:   2, spacing: 1000 * 2};
+Dygraph.TICK_PLACEMENT[Dygraph.FIVE_SECONDLY]   = {datefield: Dygraph.DATEFIELD_SS, step:   5, spacing: 1000 * 5};
+Dygraph.TICK_PLACEMENT[Dygraph.TEN_SECONDLY]    = {datefield: Dygraph.DATEFIELD_SS, step:  10, spacing: 1000 * 10};
+Dygraph.TICK_PLACEMENT[Dygraph.THIRTY_SECONDLY] = {datefield: Dygraph.DATEFIELD_SS, step:  30, spacing: 1000 * 30};
+Dygraph.TICK_PLACEMENT[Dygraph.MINUTELY]        = {datefield: Dygraph.DATEFIELD_MM, step:   1, spacing: 1000 * 60};
+Dygraph.TICK_PLACEMENT[Dygraph.TWO_MINUTELY]    = {datefield: Dygraph.DATEFIELD_MM, step:   2, spacing: 1000 * 60 * 2};
+Dygraph.TICK_PLACEMENT[Dygraph.FIVE_MINUTELY]   = {datefield: Dygraph.DATEFIELD_MM, step:   5, spacing: 1000 * 60 * 5};
+Dygraph.TICK_PLACEMENT[Dygraph.TEN_MINUTELY]    = {datefield: Dygraph.DATEFIELD_MM, step:  10, spacing: 1000 * 60 * 10};
+Dygraph.TICK_PLACEMENT[Dygraph.THIRTY_MINUTELY] = {datefield: Dygraph.DATEFIELD_MM, step:  30, spacing: 1000 * 60 * 30};
+Dygraph.TICK_PLACEMENT[Dygraph.HOURLY]          = {datefield: Dygraph.DATEFIELD_HH, step:   1, spacing: 1000 * 3600};
+Dygraph.TICK_PLACEMENT[Dygraph.TWO_HOURLY]      = {datefield: Dygraph.DATEFIELD_HH, step:   2, spacing: 1000 * 3600 * 2};
+Dygraph.TICK_PLACEMENT[Dygraph.SIX_HOURLY]      = {datefield: Dygraph.DATEFIELD_HH, step:   6, spacing: 1000 * 3600 * 6};
+Dygraph.TICK_PLACEMENT[Dygraph.DAILY]           = {datefield: Dygraph.DATEFIELD_D,  step:   1, spacing: 1000 * 86400};
+Dygraph.TICK_PLACEMENT[Dygraph.TWO_DAILY]       = {datefield: Dygraph.DATEFIELD_D,  step:   2, spacing: 1000 * 86400 * 2};
+Dygraph.TICK_PLACEMENT[Dygraph.WEEKLY]          = {datefield: Dygraph.DATEFIELD_D,  step:   7, spacing: 1000 * 604800};
+Dygraph.TICK_PLACEMENT[Dygraph.MONTHLY]         = {datefield: Dygraph.DATEFIELD_M,  step:   1, spacing: 1000 * 7200  * 365.2524}; // 1e3 * 60 * 60 * 24 * 365.2524 / 12
+Dygraph.TICK_PLACEMENT[Dygraph.QUARTERLY]       = {datefield: Dygraph.DATEFIELD_M,  step:   3, spacing: 1000 * 21600 * 365.2524}; // 1e3 * 60 * 60 * 24 * 365.2524 / 4
+Dygraph.TICK_PLACEMENT[Dygraph.BIANNUAL]        = {datefield: Dygraph.DATEFIELD_M,  step:   6, spacing: 1000 * 43200 * 365.2524}; // 1e3 * 60 * 60 * 24 * 365.2524 / 2
+Dygraph.TICK_PLACEMENT[Dygraph.ANNUAL]          = {datefield: Dygraph.DATEFIELD_Y,  step:   1, spacing: 1000 * 86400   * 365.2524}; // 1e3 * 60 * 60 * 24 * 365.2524 * 1
+Dygraph.TICK_PLACEMENT[Dygraph.DECADAL]         = {datefield: Dygraph.DATEFIELD_Y,  step:  10, spacing: 1000 * 864000  * 365.2524}; // 1e3 * 60 * 60 * 24 * 365.2524 * 10
+Dygraph.TICK_PLACEMENT[Dygraph.CENTENNIAL]      = {datefield: Dygraph.DATEFIELD_Y,  step: 100, spacing: 1000 * 8640000 * 365.2524}; // 1e3 * 60 * 60 * 24 * 365.2524 * 100
+
+
+/**
+ * This is a list of human-friendly values at which to show tick marks on a log
+ * scale. It is k * 10^n, where k=1..9 and n=-39..+39, so:
+ * ..., 1, 2, 3, 4, 5, ..., 9, 10, 20, 30, ..., 90, 100, 200, 300, ...
+ * NOTE: this assumes that Dygraph.LOG_SCALE = 10.
+ * @type {Array.<number>}
+ */
+Dygraph.PREFERRED_LOG_TICK_VALUES = (function() {
+  var vals = [];
+  for (var power = -39; power <= 39; power++) {
+    var range = Math.pow(10, power);
+    for (var mult = 1; mult <= 9; mult++) {
+      var val = range * mult;
+      vals.push(val);
+    }
+  }
+  return vals;
+})();
+
+/**
+ * Determine the correct granularity of ticks on a date axis.
+ *
+ * @param {number} a Left edge of the chart (ms)
+ * @param {number} b Right edge of the chart (ms)
+ * @param {number} pixels Size of the chart in the relevant dimension (width).
+ * @param {function(string):*} opts Function mapping from option name -&gt; value.
+ * @return {number} The appropriate axis granularity for this chart. See the
+ *     enumeration of possible values in dygraph-tickers.js.
+ */
+Dygraph.pickDateTickGranularity = function(a, b, pixels, opts) {
+  var pixels_per_tick = /** @type{number} */(opts('pixelsPerLabel'));
+  for (var i = 0; i < Dygraph.NUM_GRANULARITIES; i++) {
+    var num_ticks = Dygraph.numDateTicks(a, b, i);
+    if (pixels / num_ticks >= pixels_per_tick) {
+      return i;
+    }
+  }
+  return -1;
+};
+
+/**
+ * Compute the number of ticks on a date axis for a given granularity.
+ * @param {number} start_time
+ * @param {number} end_time
+ * @param {number} granularity (one of the granularities enumerated above)
+ * @return {number} (Approximate) number of ticks that would result.
+ */
+Dygraph.numDateTicks = function(start_time, end_time, granularity) {
+  var spacing = Dygraph.TICK_PLACEMENT[granularity].spacing;
+  return Math.round(1.0 * (end_time - start_time) / spacing);
+};
+
+/**
+ * Compute the positions and labels of ticks on a date axis for a given granularity.
+ * @param {number} start_time
+ * @param {number} end_time
+ * @param {number} granularity (one of the granularities enumerated above)
+ * @param {function(string):*} opts Function mapping from option name -&gt; value.
+ * @param {Dygraph=} dg
+ * @return {!Dygraph.TickList}
+ */
+Dygraph.getDateAxis = function(start_time, end_time, granularity, opts, dg) {
+  var formatter = /** @type{AxisLabelFormatter} */(
+      opts("axisLabelFormatter"));
+  var utc = opts("labelsUTC");
+  var accessors = utc ? Dygraph.DateAccessorsUTC : Dygraph.DateAccessorsLocal;
+
+  var datefield = Dygraph.TICK_PLACEMENT[granularity].datefield;
+  var step = Dygraph.TICK_PLACEMENT[granularity].step;
+  var spacing = Dygraph.TICK_PLACEMENT[granularity].spacing;
+
+  // Choose a nice tick position before the initial instant.
+  // Currently, this code deals properly with the existent daily granularities:
+  // DAILY (with step of 1) and WEEKLY (with step of 7 but specially handled).
+  // Other daily granularities (say TWO_DAILY) should also be handled specially
+  // by setting the start_date_offset to 0.
+  var start_date = new Date(start_time);
+  var date_array = [];
+  date_array[Dygraph.DATEFIELD_Y]  = accessors.getFullYear(start_date);
+  date_array[Dygraph.DATEFIELD_M]  = accessors.getMonth(start_date);
+  date_array[Dygraph.DATEFIELD_D]  = accessors.getDate(start_date);
+  date_array[Dygraph.DATEFIELD_HH] = accessors.getHours(start_date);
+  date_array[Dygraph.DATEFIELD_MM] = accessors.getMinutes(start_date);
+  date_array[Dygraph.DATEFIELD_SS] = accessors.getSeconds(start_date);
+  date_array[Dygraph.DATEFIELD_MS] = accessors.getMilliseconds(start_date);
+
+  var start_date_offset = date_array[datefield] % step;
+  if (granularity == Dygraph.WEEKLY) {
+    // This will put the ticks on Sundays.
+    start_date_offset = accessors.getDay(start_date);
+  }
+  
+  date_array[datefield] -= start_date_offset;
+  for (var df = datefield + 1; df < Dygraph.NUM_DATEFIELDS; df++) {
+    // The minimum value is 1 for the day of month, and 0 for all other fields.
+    date_array[df] = (df === Dygraph.DATEFIELD_D) ? 1 : 0;
+  }
+
+  // Generate the ticks.
+  // For granularities not coarser than HOURLY we use the fact that:
+  //   the number of milliseconds between ticks is constant
+  //   and equal to the defined spacing.
+  // Otherwise we rely on the 'roll over' property of the Date functions:
+  //   when some date field is set to a value outside of its logical range,
+  //   the excess 'rolls over' the next (more significant) field.
+  // However, when using local time with DST transitions,
+  // there are dates that do not represent any time value at all
+  // (those in the hour skipped at the 'spring forward'),
+  // and the JavaScript engines usually return an equivalent value.
+  // Hence we have to check that the date is properly increased at each step,
+  // returning a date at a nice tick position.
+  var ticks = [];
+  var tick_date = accessors.makeDate.apply(null, date_array);
+  var tick_time = tick_date.getTime();
+  if (granularity <= Dygraph.HOURLY) {
+    if (tick_time < start_time) {
+      tick_time += spacing;
+      tick_date = new Date(tick_time);
+    }
+    while (tick_time <= end_time) {
+      ticks.push({ v: tick_time,
+                   label: formatter(tick_date, granularity, opts, dg)
+                 });
+      tick_time += spacing;
+      tick_date = new Date(tick_time);
+    }
+  } else {
+    if (tick_time < start_time) {
+      date_array[datefield] += step;
+      tick_date = accessors.makeDate.apply(null, date_array);
+      tick_time = tick_date.getTime();
+    }
+    while (tick_time <= end_time) {
+      if (granularity >= Dygraph.DAILY ||
+          accessors.getHours(tick_date) % step === 0) {
+        ticks.push({ v: tick_time,
+                     label: formatter(tick_date, granularity, opts, dg)
+                   });
+      }
+      date_array[datefield] += step;
+      tick_date = accessors.makeDate.apply(null, date_array);
+      tick_time = tick_date.getTime();
+    }
+  }
+  return ticks;
+};
+
+// These are set here so that this file can be included after dygraph.js
+// or independently.
+if (Dygraph &&
+    Dygraph.DEFAULT_ATTRS &&
+    Dygraph.DEFAULT_ATTRS['axes'] &&
+    Dygraph.DEFAULT_ATTRS['axes']['x'] &&
+    Dygraph.DEFAULT_ATTRS['axes']['y'] &&
+    Dygraph.DEFAULT_ATTRS['axes']['y2']) {
+  Dygraph.DEFAULT_ATTRS['axes']['x']['ticker'] = Dygraph.dateTicker;
+  Dygraph.DEFAULT_ATTRS['axes']['y']['ticker'] = Dygraph.numericTicks;
+  Dygraph.DEFAULT_ATTRS['axes']['y2']['ticker'] = Dygraph.numericTicks;
+}
+
+})();
+/*global Dygraph:false */
+
+// Namespace for plugins. Load this before plugins/*.js files.
+Dygraph.Plugins = {};
+/**
+ * @license
+ * Copyright 2012 Dan Vanderkam (danvdk@gmail.com)
+ * MIT-licensed (http://opensource.org/licenses/MIT)
+ */
+
+/*global Dygraph:false */
+
+Dygraph.Plugins.Annotations = (function() {
+
+"use strict";
+
+/**
+Current bits of jankiness:
+- Uses dygraph.layout_ to get the parsed annotations.
+- Uses dygraph.plotter_.area
+
+It would be nice if the plugin didn't require so much special support inside
+the core dygraphs classes, but annotations involve quite a bit of parsing and
+layout.
+
+TODO(danvk): cache DOM elements.
+
+*/
+
+var annotations = function() {
+  this.annotations_ = [];
+};
+
+annotations.prototype.toString = function() {
+  return "Annotations Plugin";
+};
+
+annotations.prototype.activate = function(g) {
+  return {
+    clearChart: this.clearChart,
+    didDrawChart: this.didDrawChart
+  };
+};
+
+annotations.prototype.detachLabels = function() {
+  for (var i = 0; i < this.annotations_.length; i++) {
+    var a = this.annotations_[i];
+    if (a.parentNode) a.parentNode.removeChild(a);
+    this.annotations_[i] = null;
+  }
+  this.annotations_ = [];
+};
+
+annotations.prototype.clearChart = function(e) {
+  this.detachLabels();
+};
+
+annotations.prototype.didDrawChart = function(e) {
+  var g = e.dygraph;
+
+  // Early out in the (common) case of zero annotations.
+  var points = g.layout_.annotated_points;
+  if (!points || points.length === 0) return;
+
+  var containerDiv = e.canvas.parentNode;
+  var annotationStyle = {
+    "position": "absolute",
+    "fontSize": g.getOption('axisLabelFontSize') + "px",
+    "zIndex": 10,
+    "overflow": "hidden"
+  };
+
+  var bindEvt = function(eventName, classEventName, pt) {
+    return function(annotation_event) {
+      var a = pt.annotation;
+      if (a.hasOwnProperty(eventName)) {
+        a[eventName](a, pt, g, annotation_event);
+      } else if (g.getOption(classEventName)) {
+        g.getOption(classEventName)(a, pt, g, annotation_event );
+      }
+    };
+  };
+
+  // Add the annotations one-by-one.
+  var area = e.dygraph.plotter_.area;
+
+  // x-coord to sum of previous annotation's heights (used for stacking).
+  var xToUsedHeight = {};
+
+  for (var i = 0; i < points.length; i++) {
+    var p = points[i];
+    if (p.canvasx < area.x || p.canvasx > area.x + area.w ||
+        p.canvasy < area.y || p.canvasy > area.y + area.h) {
+      continue;
+    }
+
+    var a = p.annotation;
+    var tick_height = 6;
+    if (a.hasOwnProperty("tickHeight")) {
+      tick_height = a.tickHeight;
+    }
+
+    var div = document.createElement("div");
+    for (var name in annotationStyle) {
+      if (annotationStyle.hasOwnProperty(name)) {
+        div.style[name] = annotationStyle[name];
+      }
+    }
+    if (!a.hasOwnProperty('icon')) {
+      div.className = "dygraphDefaultAnnotation";
+    }
+    if (a.hasOwnProperty('cssClass')) {
+      div.className += " " + a.cssClass;
+    }
+
+    var width = a.hasOwnProperty('width') ? a.width : 16;
+    var height = a.hasOwnProperty('height') ? a.height : 16;
+    if (a.hasOwnProperty('icon')) {
+      var img = document.createElement("img");
+      img.src = a.icon;
+      img.width = width;
+      img.height = height;
+      div.appendChild(img);
+    } else if (p.annotation.hasOwnProperty('shortText')) {
+      div.appendChild(document.createTextNode(p.annotation.shortText));
+    }
+    var left = p.canvasx - width / 2;
+    div.style.left = left + "px";
+    var divTop = 0;
+    if (a.attachAtBottom) {
+      var y = (area.y + area.h - height - tick_height);
+      if (xToUsedHeight[left]) {
+        y -= xToUsedHeight[left];
+      } else {
+        xToUsedHeight[left] = 0;
+      }
+      xToUsedHeight[left] += (tick_height + height);
+      divTop = y;
+    } else {
+      divTop = p.canvasy - height - tick_height;
+    }
+    div.style.top = divTop + "px";
+    div.style.width = width + "px";
+    div.style.height = height + "px";
+    div.title = p.annotation.text;
+    div.style.color = g.colorsMap_[p.name];
+    div.style.borderColor = g.colorsMap_[p.name];
+    a.div = div;
+
+    g.addAndTrackEvent(div, 'click',
+        bindEvt('clickHandler', 'annotationClickHandler', p, this));
+    g.addAndTrackEvent(div, 'mouseover',
+        bindEvt('mouseOverHandler', 'annotationMouseOverHandler', p, this));
+    g.addAndTrackEvent(div, 'mouseout',
+        bindEvt('mouseOutHandler', 'annotationMouseOutHandler', p, this));
+    g.addAndTrackEvent(div, 'dblclick',
+        bindEvt('dblClickHandler', 'annotationDblClickHandler', p, this));
+
+    containerDiv.appendChild(div);
+    this.annotations_.push(div);
+
+    var ctx = e.drawingContext;
+    ctx.save();
+    ctx.strokeStyle = g.colorsMap_[p.name];
+    ctx.beginPath();
+    if (!a.attachAtBottom) {
+      ctx.moveTo(p.canvasx, p.canvasy);
+      ctx.lineTo(p.canvasx, p.canvasy - 2 - tick_height);
+    } else {
+      var y = divTop + height;
+      ctx.moveTo(p.canvasx, y);
+      ctx.lineTo(p.canvasx, y + tick_height);
+    }
+    ctx.closePath();
+    ctx.stroke();
+    ctx.restore();
+  }
+};
+
+annotations.prototype.destroy = function() {
+  this.detachLabels();
+};
+
+return annotations;
+
+})();
+/**
+ * @license
+ * Copyright 2012 Dan Vanderkam (danvdk@gmail.com)
+ * MIT-licensed (http://opensource.org/licenses/MIT)
+ */
+
+/*global Dygraph:false */
+
+Dygraph.Plugins.Axes = (function() {
+
+'use strict';
+
+/*
+Bits of jankiness:
+- Direct layout access
+- Direct area access
+- Should include calculation of ticks, not just the drawing.
+
+Options left to make axis-friendly.
+  ('drawAxesAtZero')
+  ('xAxisHeight')
+*/
+
+/**
+ * Draws the axes. This includes the labels on the x- and y-axes, as well
+ * as the tick marks on the axes.
+ * It does _not_ draw the grid lines which span the entire chart.
+ */
+var axes = function() {
+  this.xlabels_ = [];
+  this.ylabels_ = [];
+};
+
+axes.prototype.toString = function() {
+  return 'Axes Plugin';
+};
+
+axes.prototype.activate = function(g) {
+  return {
+    layout: this.layout,
+    clearChart: this.clearChart,
+    willDrawChart: this.willDrawChart
+  };
+};
+
+axes.prototype.layout = function(e) {
+  var g = e.dygraph;
+
+  if (g.getOptionForAxis('drawAxis', 'y')) {
+    var w = g.getOptionForAxis('axisLabelWidth', 'y') + 2 * g.getOptionForAxis('axisTickSize', 'y');
+    e.reserveSpaceLeft(w);
+  }
+
+  if (g.getOptionForAxis('drawAxis', 'x')) {
+    var h;
+    // NOTE: I think this is probably broken now, since g.getOption() now
+    // hits the dictionary. (That is, g.getOption('xAxisHeight') now always
+    // has a value.)
+    if (g.getOption('xAxisHeight')) {
+      h = g.getOption('xAxisHeight');
+    } else {
+      h = g.getOptionForAxis('axisLabelFontSize', 'x') + 2 * g.getOptionForAxis('axisTickSize', 'x');
+    }
+    e.reserveSpaceBottom(h);
+  }
+
+  if (g.numAxes() == 2) {
+    if (g.getOptionForAxis('drawAxis', 'y2')) {
+      var w = g.getOptionForAxis('axisLabelWidth', 'y2') + 2 * g.getOptionForAxis('axisTickSize', 'y2');
+      e.reserveSpaceRight(w);
+    }
+  } else if (g.numAxes() > 2) {
+    g.error('Only two y-axes are supported at this time. (Trying ' +
+            'to use ' + g.numAxes() + ')');
+  }
+};
+
+axes.prototype.detachLabels = function() {
+  function removeArray(ary) {
+    for (var i = 0; i < ary.length; i++) {
+      var el = ary[i];
+      if (el.parentNode) el.parentNode.removeChild(el);
+    }
+  }
+
+  removeArray(this.xlabels_);
+  removeArray(this.ylabels_);
+  this.xlabels_ = [];
+  this.ylabels_ = [];
+};
+
+axes.prototype.clearChart = function(e) {
+  this.detachLabels();
+};
+
+axes.prototype.willDrawChart = function(e) {
+  var g = e.dygraph;
+
+  if (!g.getOptionForAxis('drawAxis', 'x') &&
+      !g.getOptionForAxis('drawAxis', 'y') &&
+      !g.getOptionForAxis('drawAxis', 'y2')) {
+    return;
+  }
+  
+  // Round pixels to half-integer boundaries for crisper drawing.
+  function halfUp(x)  { return Math.round(x) + 0.5; }
+  function halfDown(y){ return Math.round(y) - 0.5; }
+
+  var context = e.drawingContext;
+  var containerDiv = e.canvas.parentNode;
+  var canvasWidth = g.width_;  // e.canvas.width is affected by pixel ratio.
+  var canvasHeight = g.height_;
+
+  var label, x, y, tick, i;
+
+  var makeLabelStyle = function(axis) {
+    return {
+      position: 'absolute',
+      fontSize: g.getOptionForAxis('axisLabelFontSize', axis) + 'px',
+      zIndex: 10,
+      color: g.getOptionForAxis('axisLabelColor', axis),
+      width: g.getOptionForAxis('axisLabelWidth', axis) + 'px',
+      // height: g.getOptionForAxis('axisLabelFontSize', 'x') + 2 + "px",
+      lineHeight: 'normal',  // Something other than "normal" line-height screws up label positioning.
+      overflow: 'hidden'
+    };
+  };
+
+  var labelStyles = {
+    x : makeLabelStyle('x'),
+    y : makeLabelStyle('y'),
+    y2 : makeLabelStyle('y2')
+  };
+
+  var makeDiv = function(txt, axis, prec_axis) {
+    /*
+     * This seems to be called with the following three sets of axis/prec_axis:
+     * x: undefined
+     * y: y1
+     * y: y2
+     */
+    var div = document.createElement('div');
+    var labelStyle = labelStyles[prec_axis == 'y2' ? 'y2' : axis];
+    for (var name in labelStyle) {
+      if (labelStyle.hasOwnProperty(name)) {
+        div.style[name] = labelStyle[name];
+      }
+    }
+    var inner_div = document.createElement('div');
+    inner_div.className = 'dygraph-axis-label' +
+                          ' dygraph-axis-label-' + axis +
+                          (prec_axis ? ' dygraph-axis-label-' + prec_axis : '');
+    inner_div.innerHTML = txt;
+    div.appendChild(inner_div);
+    return div;
+  };
+
+  // axis lines
+  context.save();
+
+  var layout = g.layout_;
+  var area = e.dygraph.plotter_.area;
+
+  // Helper for repeated axis-option accesses.
+  var makeOptionGetter = function(axis) {
+    return function(option) {
+      return g.getOptionForAxis(option, axis);
+    };
+  };
+
+  if (g.getOptionForAxis('drawAxis', 'y')) {
+    if (layout.yticks && layout.yticks.length > 0) {
+      var num_axes = g.numAxes();
+      var getOptions = [makeOptionGetter('y'), makeOptionGetter('y2')];
+      for (i = 0; i < layout.yticks.length; i++) {
+        tick = layout.yticks[i];
+        if (typeof(tick) == 'function') return;  // <-- when would this happen?
+        x = area.x;
+        var sgn = 1;
+        var prec_axis = 'y1';
+        var getAxisOption = getOptions[0];
+        if (tick[0] == 1) {  // right-side y-axis
+          x = area.x + area.w;
+          sgn = -1;
+          prec_axis = 'y2';
+          getAxisOption = getOptions[1];
+        }
+        var fontSize = getAxisOption('axisLabelFontSize');
+        y = area.y + tick[1] * area.h;
+
+        /* Tick marks are currently clipped, so don't bother drawing them.
+        context.beginPath();
+        context.moveTo(halfUp(x), halfDown(y));
+        context.lineTo(halfUp(x - sgn * this.attr_('axisTickSize')), halfDown(y));
+        context.closePath();
+        context.stroke();
+        */
+
+        label = makeDiv(tick[2], 'y', num_axes == 2 ? prec_axis : null);
+        var top = (y - fontSize / 2);
+        if (top < 0) top = 0;
+
+        if (top + fontSize + 3 > canvasHeight) {
+          label.style.bottom = '0';
+        } else {
+          label.style.top = top + 'px';
+        }
+        if (tick[0] === 0) {
+          label.style.left = (area.x - getAxisOption('axisLabelWidth') - getAxisOption('axisTickSize')) + 'px';
+          label.style.textAlign = 'right';
+        } else if (tick[0] == 1) {
+          label.style.left = (area.x + area.w +
+                              getAxisOption('axisTickSize')) + 'px';
+          label.style.textAlign = 'left';
+        }
+        label.style.width = getAxisOption('axisLabelWidth') + 'px';
+        containerDiv.appendChild(label);
+        this.ylabels_.push(label);
+      }
+
+      // The lowest tick on the y-axis often overlaps with the leftmost
+      // tick on the x-axis. Shift the bottom tick up a little bit to
+      // compensate if necessary.
+      var bottomTick = this.ylabels_[0];
+      // Interested in the y2 axis also?
+      var fontSize = g.getOptionForAxis('axisLabelFontSize', 'y');
+      var bottom = parseInt(bottomTick.style.top, 10) + fontSize;
+      if (bottom > canvasHeight - fontSize) {
+        bottomTick.style.top = (parseInt(bottomTick.style.top, 10) -
+            fontSize / 2) + 'px';
+      }
+    }
+
+    // draw a vertical line on the left to separate the chart from the labels.
+    var axisX;
+    if (g.getOption('drawAxesAtZero')) {
+      var r = g.toPercentXCoord(0);
+      if (r > 1 || r < 0 || isNaN(r)) r = 0;
+      axisX = halfUp(area.x + r * area.w);
+    } else {
+      axisX = halfUp(area.x);
+    }
+
+    context.strokeStyle = g.getOptionForAxis('axisLineColor', 'y');
+    context.lineWidth = g.getOptionForAxis('axisLineWidth', 'y');
+
+    context.beginPath();
+    context.moveTo(axisX, halfDown(area.y));
+    context.lineTo(axisX, halfDown(area.y + area.h));
+    context.closePath();
+    context.stroke();
+
+    // if there's a secondary y-axis, draw a vertical line for that, too.
+    if (g.numAxes() == 2) {
+      context.strokeStyle = g.getOptionForAxis('axisLineColor', 'y2');
+      context.lineWidth = g.getOptionForAxis('axisLineWidth', 'y2');
+      context.beginPath();
+      context.moveTo(halfDown(area.x + area.w), halfDown(area.y));
+      context.lineTo(halfDown(area.x + area.w), halfDown(area.y + area.h));
+      context.closePath();
+      context.stroke();
+    }
+  }
+
+  if (g.getOptionForAxis('drawAxis', 'x')) {
+    if (layout.xticks) {
+      var getAxisOption = makeOptionGetter('x');
+      for (i = 0; i < layout.xticks.length; i++) {
+        tick = layout.xticks[i];
+        x = area.x + tick[0] * area.w;
+        y = area.y + area.h;
+
+        /* Tick marks are currently clipped, so don't bother drawing them.
+        context.beginPath();
+        context.moveTo(halfUp(x), halfDown(y));
+        context.lineTo(halfUp(x), halfDown(y + this.attr_('axisTickSize')));
+        context.closePath();
+        context.stroke();
+        */
+
+        label = makeDiv(tick[1], 'x');
+        label.style.textAlign = 'center';
+        label.style.top = (y + getAxisOption('axisTickSize')) + 'px';
+
+        var left = (x - getAxisOption('axisLabelWidth')/2);
+        if (left + getAxisOption('axisLabelWidth') > canvasWidth) {
+          left = canvasWidth - getAxisOption('axisLabelWidth');
+          label.style.textAlign = 'right';
+        }
+        if (left < 0) {
+          left = 0;
+          label.style.textAlign = 'left';
+        }
+
+        label.style.left = left + 'px';
+        label.style.width = getAxisOption('axisLabelWidth') + 'px';
+        containerDiv.appendChild(label);
+        this.xlabels_.push(label);
+      }
+    }
+
+    context.strokeStyle = g.getOptionForAxis('axisLineColor', 'x');
+    context.lineWidth = g.getOptionForAxis('axisLineWidth', 'x');
+    context.beginPath();
+    var axisY;
+    if (g.getOption('drawAxesAtZero')) {
+      var r = g.toPercentYCoord(0, 0);
+      if (r > 1 || r < 0) r = 1;
+      axisY = halfDown(area.y + r * area.h);
+    } else {
+      axisY = halfDown(area.y + area.h);
+    }
+    context.moveTo(halfUp(area.x), axisY);
+    context.lineTo(halfUp(area.x + area.w), axisY);
+    context.closePath();
+    context.stroke();
+  }
+
+  context.restore();
+};
+
+return axes;
+})();
+/**
+ * @license
+ * Copyright 2012 Dan Vanderkam (danvdk@gmail.com)
+ * MIT-licensed (http://opensource.org/licenses/MIT)
+ */
+/*global Dygraph:false */
+
+Dygraph.Plugins.ChartLabels = (function() {
+
+"use strict";
+
+// TODO(danvk): move chart label options out of dygraphs and into the plugin.
+// TODO(danvk): only tear down & rebuild the DIVs when it's necessary.
+
+var chart_labels = function() {
+  this.title_div_ = null;
+  this.xlabel_div_ = null;
+  this.ylabel_div_ = null;
+  this.y2label_div_ = null;
+};
+
+chart_labels.prototype.toString = function() {
+  return "ChartLabels Plugin";
+};
+
+chart_labels.prototype.activate = function(g) {
+  return {
+    layout: this.layout,
+    // clearChart: this.clearChart,
+    didDrawChart: this.didDrawChart
+  };
+};
+
+// QUESTION: should there be a plugin-utils.js?
+var createDivInRect = function(r) {
+  var div = document.createElement('div');
+  div.style.position = 'absolute';
+  div.style.left = r.x + 'px';
+  div.style.top = r.y + 'px';
+  div.style.width = r.w + 'px';
+  div.style.height = r.h + 'px';
+  return div;
+};
+
+// Detach and null out any existing nodes.
+chart_labels.prototype.detachLabels_ = function() {
+  var els = [ this.title_div_,
+              this.xlabel_div_,
+              this.ylabel_div_,
+              this.y2label_div_ ];
+  for (var i = 0; i < els.length; i++) {
+    var el = els[i];
+    if (!el) continue;
+    if (el.parentNode) el.parentNode.removeChild(el);
+  }
+
+  this.title_div_ = null;
+  this.xlabel_div_ = null;
+  this.ylabel_div_ = null;
+  this.y2label_div_ = null;
+};
+
+var createRotatedDiv = function(g, box, axis, classes, html) {
+  // TODO(danvk): is this outer div actually necessary?
+  var div = document.createElement("div");
+  div.style.position = 'absolute';
+  if (axis == 1) {
+    // NOTE: this is cheating. Should be positioned relative to the box.
+    div.style.left = '0px';
+  } else {
+    div.style.left = box.x + 'px';
+  }
+  div.style.top = box.y + 'px';
+  div.style.width = box.w + 'px';
+  div.style.height = box.h + 'px';
+  div.style.fontSize = (g.getOption('yLabelWidth') - 2) + 'px';
+
+  var inner_div = document.createElement("div");
+  inner_div.style.position = 'absolute';
+  inner_div.style.width = box.h + 'px';
+  inner_div.style.height = box.w + 'px';
+  inner_div.style.top = (box.h / 2 - box.w / 2) + 'px';
+  inner_div.style.left = (box.w / 2 - box.h / 2) + 'px';
+  inner_div.style.textAlign = 'center';
+
+  // CSS rotation is an HTML5 feature which is not standardized. Hence every
+  // browser has its own name for the CSS style.
+  var val = 'rotate(' + (axis == 1 ? '-' : '') + '90deg)';
+  inner_div.style.transform = val;        // HTML5
+  inner_div.style.WebkitTransform = val;  // Safari/Chrome
+  inner_div.style.MozTransform = val;     // Firefox
+  inner_div.style.OTransform = val;       // Opera
+  inner_div.style.msTransform = val;      // IE9
+
+  if (typeof(document.documentMode) !== 'undefined' &&
+      document.documentMode < 9) {
+    // We're dealing w/ an old version of IE, so we have to rotate the text
+    // using a BasicImage transform. This uses a different origin of rotation
+    // than HTML5 rotation (top left of div vs. its center).
+    inner_div.style.filter =
+        'progid:DXImageTransform.Microsoft.BasicImage(rotation=' +
+        (axis == 1 ? '3' : '1') + ')';
+    inner_div.style.left = '0px';
+    inner_div.style.top = '0px';
+  }
+
+  var class_div = document.createElement("div");
+  class_div.className = classes;
+  class_div.innerHTML = html;
+
+  inner_div.appendChild(class_div);
+  div.appendChild(inner_div);
+  return div;
+};
+
+chart_labels.prototype.layout = function(e) {
+  this.detachLabels_();
+
+  var g = e.dygraph;
+  var div = e.chart_div;
+  if (g.getOption('title')) {
+    // QUESTION: should this return an absolutely-positioned div instead?
+    var title_rect = e.reserveSpaceTop(g.getOption('titleHeight'));
+    this.title_div_ = createDivInRect(title_rect);
+    this.title_div_.style.textAlign = 'center';
+    this.title_div_.style.fontSize = (g.getOption('titleHeight') - 8) + 'px';
+    this.title_div_.style.fontWeight = 'bold';
+    this.title_div_.style.zIndex = 10;
+
+    var class_div = document.createElement("div");
+    class_div.className = 'dygraph-label dygraph-title';
+    class_div.innerHTML = g.getOption('title');
+    this.title_div_.appendChild(class_div);
+    div.appendChild(this.title_div_);
+  }
+
+  if (g.getOption('xlabel')) {
+    var x_rect = e.reserveSpaceBottom(g.getOption('xLabelHeight'));
+    this.xlabel_div_ = createDivInRect(x_rect);
+    this.xlabel_div_.style.textAlign = 'center';
+    this.xlabel_div_.style.fontSize = (g.getOption('xLabelHeight') - 2) + 'px';
+
+    var class_div = document.createElement("div");
+    class_div.className = 'dygraph-label dygraph-xlabel';
+    class_div.innerHTML = g.getOption('xlabel');
+    this.xlabel_div_.appendChild(class_div);
+    div.appendChild(this.xlabel_div_);
+  }
+
+  if (g.getOption('ylabel')) {
+    // It would make sense to shift the chart here to make room for the y-axis
+    // label, but the default yAxisLabelWidth is large enough that this results
+    // in overly-padded charts. The y-axis label should fit fine. If it
+    // doesn't, the yAxisLabelWidth option can be increased.
+    var y_rect = e.reserveSpaceLeft(0);
+
+    this.ylabel_div_ = createRotatedDiv(
+        g, y_rect,
+        1,  // primary (left) y-axis
+        'dygraph-label dygraph-ylabel',
+        g.getOption('ylabel'));
+    div.appendChild(this.ylabel_div_);
+  }
+
+  if (g.getOption('y2label') && g.numAxes() == 2) {
+    // same logic applies here as for ylabel.
+    var y2_rect = e.reserveSpaceRight(0);
+    this.y2label_div_ = createRotatedDiv(
+        g, y2_rect,
+        2,  // secondary (right) y-axis
+        'dygraph-label dygraph-y2label',
+        g.getOption('y2label'));
+    div.appendChild(this.y2label_div_);
+  }
+};
+
+chart_labels.prototype.didDrawChart = function(e) {
+  var g = e.dygraph;
+  if (this.title_div_) {
+    this.title_div_.children[0].innerHTML = g.getOption('title');
+  }
+  if (this.xlabel_div_) {
+    this.xlabel_div_.children[0].innerHTML = g.getOption('xlabel');
+  }
+  if (this.ylabel_div_) {
+    this.ylabel_div_.children[0].children[0].innerHTML = g.getOption('ylabel');
+  }
+  if (this.y2label_div_) {
+    this.y2label_div_.children[0].children[0].innerHTML = g.getOption('y2label');
+  }
+};
+
+chart_labels.prototype.clearChart = function() {
+};
+
+chart_labels.prototype.destroy = function() {
+  this.detachLabels_();
+};
+
+
+return chart_labels;
+})();
+/**
+ * @license
+ * Copyright 2012 Dan Vanderkam (danvdk@gmail.com)
+ * MIT-licensed (http://opensource.org/licenses/MIT)
+ */
+/*global Dygraph:false */
+
+Dygraph.Plugins.Grid = (function() {
+
+/*
+
+Current bits of jankiness:
+- Direct layout access
+- Direct area access
+
+*/
+
+"use strict";
+
+
+/**
+ * Draws the gridlines, i.e. the gray horizontal & vertical lines running the
+ * length of the chart.
+ *
+ * @constructor
+ */
+var grid = function() {
+};
+
+grid.prototype.toString = function() {
+  return "Gridline Plugin";
+};
+
+grid.prototype.activate = function(g) {
+  return {
+    willDrawChart: this.willDrawChart
+  };
+};
+
+grid.prototype.willDrawChart = function(e) {
+  // Draw the new X/Y grid. Lines appear crisper when pixels are rounded to
+  // half-integers. This prevents them from drawing in two rows/cols.
+  var g = e.dygraph;
+  var ctx = e.drawingContext;
+  var layout = g.layout_;
+  var area = e.dygraph.plotter_.area;
+
+  function halfUp(x)  { return Math.round(x) + 0.5; }
+  function halfDown(y){ return Math.round(y) - 0.5; }
+
+  var x, y, i, ticks;
+  if (g.getOptionForAxis('drawGrid', 'y')) {
+    var axes = ["y", "y2"];
+    var strokeStyles = [], lineWidths = [], drawGrid = [], stroking = [], strokePattern = [];
+    for (var i = 0; i < axes.length; i++) {
+      drawGrid[i] = g.getOptionForAxis('drawGrid', axes[i]);
+      if (drawGrid[i]) {
+        strokeStyles[i] = g.getOptionForAxis('gridLineColor', axes[i]);
+        lineWidths[i] = g.getOptionForAxis('gridLineWidth', axes[i]);
+        strokePattern[i] = g.getOptionForAxis('gridLinePattern', axes[i]);
+        stroking[i] = strokePattern[i] && (strokePattern[i].length >= 2);
+      }
+    }
+    ticks = layout.yticks;
+    ctx.save();
+    // draw grids for the different y axes
+    for (i = 0; i < ticks.length; i++) {
+      var axis = ticks[i][0];
+      if(drawGrid[axis]) {
+        if (stroking[axis]) {
+          ctx.installPattern(strokePattern[axis]);
+        }
+        ctx.strokeStyle = strokeStyles[axis];
+        ctx.lineWidth = lineWidths[axis];
+
+        x = halfUp(area.x);
+        y = halfDown(area.y + ticks[i][1] * area.h);
+        ctx.beginPath();
+        ctx.moveTo(x, y);
+        ctx.lineTo(x + area.w, y);
+        ctx.closePath();
+        ctx.stroke();
+
+        if (stroking[axis]) {
+          ctx.uninstallPattern();
+        }
+      }
+    }
+    ctx.restore();
+  }
+
+  // draw grid for x axis
+  if (g.getOptionForAxis('drawGrid', 'x')) {
+    ticks = layout.xticks;
+    ctx.save();
+    var strokePattern = g.getOptionForAxis('gridLinePattern', 'x');
+    var stroking = strokePattern && (strokePattern.length >= 2);
+    if (stroking) {
+      ctx.installPattern(strokePattern);
+    }
+    ctx.strokeStyle = g.getOptionForAxis('gridLineColor', 'x');
+    ctx.lineWidth = g.getOptionForAxis('gridLineWidth', 'x');
+    for (i = 0; i < ticks.length; i++) {
+      x = halfUp(area.x + ticks[i][0] * area.w);
+      y = halfDown(area.y + area.h);
+      ctx.beginPath();
+      ctx.moveTo(x, y);
+      ctx.lineTo(x, area.y);
+      ctx.closePath();
+      ctx.stroke();
+    }
+    if (stroking) {
+      ctx.uninstallPattern();
+    }
+    ctx.restore();
+  }
+};
+
+grid.prototype.destroy = function() {
+};
+
+return grid;
+
+})();
+/**
+ * @license
+ * Copyright 2012 Dan Vanderkam (danvdk@gmail.com)
+ * MIT-licensed (http://opensource.org/licenses/MIT)
+ */
+/*global Dygraph:false */
+
+Dygraph.Plugins.Legend = (function() {
+/*
+Current bits of jankiness:
+- Uses two private APIs:
+    1. Dygraph.optionsViewForAxis_
+    2. dygraph.plotter_.area
+- Registers for a "predraw" event, which should be renamed.
+- I call calculateEmWidthInDiv more often than needed.
+*/
+
+/*global Dygraph:false */
+"use strict";
+
+
+/**
+ * Creates the legend, which appears when the user hovers over the chart.
+ * The legend can be either a user-specified or generated div.
+ *
+ * @constructor
+ */
+var legend = function() {
+  this.legend_div_ = null;
+  this.is_generated_div_ = false;  // do we own this div, or was it user-specified?
+};
+
+legend.prototype.toString = function() {
+  return "Legend Plugin";
+};
+
+// (defined below)
+var generateLegendDashHTML;
+
+/**
+ * This is called during the dygraph constructor, after options have been set
+ * but before the data is available.
+ *
+ * Proper tasks to do here include:
+ * - Reading your own options
+ * - DOM manipulation
+ * - Registering event listeners
+ *
+ * @param {Dygraph} g Graph instance.
+ * @return {object.<string, function(ev)>} Mapping of event names to callbacks.
+ */
+legend.prototype.activate = function(g) {
+  var div;
+  var divWidth = g.getOption('labelsDivWidth');
+
+  var userLabelsDiv = g.getOption('labelsDiv');
+  if (userLabelsDiv && null !== userLabelsDiv) {
+    if (typeof(userLabelsDiv) == "string" || userLabelsDiv instanceof String) {
+      div = document.getElementById(userLabelsDiv);
+    } else {
+      div = userLabelsDiv;
+    }
+  } else {
+    // Default legend styles. These can be overridden in CSS by adding
+    // "!important" after your rule, e.g. "left: 30px !important;"
+    var messagestyle = {
+      "position": "absolute",
+      "fontSize": "14px",
+      "zIndex": 10,
+      "width": divWidth + "px",
+      "top": "0px",
+      "left": (g.size().width - divWidth - 2) + "px",
+      "background": "white",
+      "lineHeight": "normal",
+      "textAlign": "left",
+      "overflow": "hidden"};
+
+    // TODO(danvk): get rid of labelsDivStyles? CSS is better.
+    Dygraph.update(messagestyle, g.getOption('labelsDivStyles'));
+    div = document.createElement("div");
+    div.className = "dygraph-legend";
+    for (var name in messagestyle) {
+      if (!messagestyle.hasOwnProperty(name)) continue;
+
+      try {
+        div.style[name] = messagestyle[name];
+      } catch (e) {
+        console.warn("You are using unsupported css properties for your " +
+            "browser in labelsDivStyles");
+      }
+    }
+
+    // TODO(danvk): come up with a cleaner way to expose this.
+    g.graphDiv.appendChild(div);
+    this.is_generated_div_ = true;
+  }
+
+  this.legend_div_ = div;
+  this.one_em_width_ = 10;  // just a guess, will be updated.
+
+  return {
+    select: this.select,
+    deselect: this.deselect,
+    // TODO(danvk): rethink the name "predraw" before we commit to it in any API.
+    predraw: this.predraw,
+    didDrawChart: this.didDrawChart
+  };
+};
+
+// Needed for dashed lines.
+var calculateEmWidthInDiv = function(div) {
+  var sizeSpan = document.createElement('span');
+  sizeSpan.setAttribute('style', 'margin: 0; padding: 0 0 0 1em; border: 0;');
+  div.appendChild(sizeSpan);
+  var oneEmWidth=sizeSpan.offsetWidth;
+  div.removeChild(sizeSpan);
+  return oneEmWidth;
+};
+
+var escapeHTML = function(str) {
+  return str.replace(/&/g, "&amp;").replace(/"/g, "&quot;").replace(/</g, "&lt;").replace(/>/g, "&gt;");
+};
+
+legend.prototype.select = function(e) {
+  var xValue = e.selectedX;
+  var points = e.selectedPoints;
+
+  var legendMode = e.dygraph.getOption('legend');
+  if (legendMode === 'never') {
+    this.legend_div_.style.display = 'none';
+    return;
+  }
+
+  if (legendMode === 'follow') {
+    // create floating legend div
+    var area = e.dygraph.plotter_.area;
+    var labelsDivWidth = e.dygraph.getOption('labelsDivWidth');
+    var yAxisLabelWidth = e.dygraph.getOptionForAxis('axisLabelWidth', 'y');
+    // determine floating [left, top] coordinates of the legend div
+    // within the plotter_ area
+    // offset 20 px to the right and down from the first selection point
+    // 20 px is guess based on mouse cursor size
+    var leftLegend = points[0].x * area.w + 20;
+    var topLegend  = points[0].y * area.h - 20;
+
+    // if legend floats to end of the window area, it flips to the other
+    // side of the selection point
+    if ((leftLegend + labelsDivWidth + 1) > (window.scrollX + window.innerWidth)) {
+      leftLegend = leftLegend - 2 * 20 - labelsDivWidth - (yAxisLabelWidth - area.x);
+    }
+
+    e.dygraph.graphDiv.appendChild(this.legend_div_);
+    this.legend_div_.style.left = yAxisLabelWidth + leftLegend + "px";
+    this.legend_div_.style.top = topLegend + "px";
+  }
+
+  var html = legend.generateLegendHTML(e.dygraph, xValue, points, this.one_em_width_);
+  this.legend_div_.innerHTML = html;
+  this.legend_div_.style.display = '';
+};
+
+legend.prototype.deselect = function(e) {
+  var legendMode = e.dygraph.getOption('legend');
+  if (legendMode !== 'always') {
+    this.legend_div_.style.display = "none";
+  }
+
+  // Have to do this every time, since styles might have changed.
+  var oneEmWidth = calculateEmWidthInDiv(this.legend_div_);
+  this.one_em_width_ = oneEmWidth;
+
+  var html = legend.generateLegendHTML(e.dygraph, undefined, undefined, oneEmWidth);
+  this.legend_div_.innerHTML = html;
+};
+
+legend.prototype.didDrawChart = function(e) {
+  this.deselect(e);
+};
+
+// Right edge should be flush with the right edge of the charting area (which
+// may not be the same as the right edge of the div, if we have two y-axes.
+// TODO(danvk): is any of this really necessary? Could just set "right" in "activate".
+/**
+ * Position the labels div so that:
+ * - its right edge is flush with the right edge of the charting area
+ * - its top edge is flush with the top edge of the charting area
+ * @private
+ */
+legend.prototype.predraw = function(e) {
+  // Don't touch a user-specified labelsDiv.
+  if (!this.is_generated_div_) return;
+
+  // TODO(danvk): only use real APIs for this.
+  e.dygraph.graphDiv.appendChild(this.legend_div_);
+  var area = e.dygraph.plotter_.area;
+  var labelsDivWidth = e.dygraph.getOption("labelsDivWidth");
+  this.legend_div_.style.left = area.x + area.w - labelsDivWidth - 1 + "px";
+  this.legend_div_.style.top = area.y + "px";
+  this.legend_div_.style.width = labelsDivWidth + "px";
+};
+
+/**
+ * Called when dygraph.destroy() is called.
+ * You should null out any references and detach any DOM elements.
+ */
+legend.prototype.destroy = function() {
+  this.legend_div_ = null;
+};
+
+/**
+ * @private
+ * Generates HTML for the legend which is displayed when hovering over the
+ * chart. If no selected points are specified, a default legend is returned
+ * (this may just be the empty string).
+ * @param { Number } [x] The x-value of the selected points.
+ * @param { [Object] } [sel_points] List of selected points for the given
+ * x-value. Should have properties like 'name', 'yval' and 'canvasy'.
+ * @param { Number } [oneEmWidth] The pixel width for 1em in the legend. Only
+ * relevant when displaying a legend with no selection (i.e. {legend:
+ * 'always'}) and with dashed lines.
+ */
+legend.generateLegendHTML = function(g, x, sel_points, oneEmWidth) {
+  // TODO(danvk): deprecate this option in place of {legend: 'never'}
+  if (g.getOption('showLabelsOnHighlight') !== true) return '';
+
+  // If no points are selected, we display a default legend. Traditionally,
+  // this has been blank. But a better default would be a conventional legend,
+  // which provides essential information for a non-interactive chart.
+  var html, sepLines, i, dash, strokePattern;
+  var labels = g.getLabels();
+
+  if (typeof(x) === 'undefined') {
+    if (g.getOption('legend') != 'always') {
+      return '';
+    }
+
+    sepLines = g.getOption('labelsSeparateLines');
+    html = '';
+    for (i = 1; i < labels.length; i++) {
+      var series = g.getPropertiesForSeries(labels[i]);
+      if (!series.visible) continue;
+
+      if (html !== '') html += (sepLines ? '<br/>' : ' ');
+      strokePattern = g.getOption("strokePattern", labels[i]);
+      dash = generateLegendDashHTML(strokePattern, series.color, oneEmWidth);
+      html += "<span style='font-weight: bold; color: " + series.color + ";'>" +
+          dash + " " + escapeHTML(labels[i]) + "</span>";
+    }
+    return html;
+  }
+
+  // TODO(danvk): remove this use of a private API
+  var xOptView = g.optionsViewForAxis_('x');
+  var xvf = xOptView('valueFormatter');
+  html = xvf(x, xOptView, labels[0], g);
+  if (html !== '') {
+    html += ':';
+  }
+
+  var yOptViews = [];
+  var num_axes = g.numAxes();
+  for (i = 0; i < num_axes; i++) {
+    // TODO(danvk): remove this use of a private API
+    yOptViews[i] = g.optionsViewForAxis_('y' + (i ? 1 + i : ''));
+  }
+  var showZeros = g.getOption("labelsShowZeroValues");
+  sepLines = g.getOption("labelsSeparateLines");
+  var highlightSeries = g.getHighlightSeries();
+  for (i = 0; i < sel_points.length; i++) {
+    var pt = sel_points[i];
+    if (pt.yval === 0 && !showZeros) continue;
+    if (!Dygraph.isOK(pt.canvasy)) continue;
+    if (sepLines) html += "<br/>";
+
+    var series = g.getPropertiesForSeries(pt.name);
+    var yOptView = yOptViews[series.axis - 1];
+    var fmtFunc = yOptView('valueFormatter');
+    var yval = fmtFunc(pt.yval, yOptView, pt.name, g);
+
+    var cls = (pt.name == highlightSeries) ? " class='highlight'" : "";
+
+    // TODO(danvk): use a template string here and make it an attribute.
+    html += "<span" + cls + ">" + " <b><span style='color: " + series.color + ";'>" +
+        escapeHTML(pt.name) + "</span></b>:&#160;" + yval + "</span>";
+  }
+  return html;
+};
+
+
+/**
+ * Generates html for the "dash" displayed on the legend when using "legend: always".
+ * In particular, this works for dashed lines with any stroke pattern. It will
+ * try to scale the pattern to fit in 1em width. Or if small enough repeat the
+ * pattern for 1em width.
+ *
+ * @param strokePattern The pattern
+ * @param color The color of the series.
+ * @param oneEmWidth The width in pixels of 1em in the legend.
+ * @private
+ */
+generateLegendDashHTML = function(strokePattern, color, oneEmWidth) {
+  // IE 7,8 fail at these divs, so they get boring legend, have not tested 9.
+  var isIE = (/MSIE/.test(navigator.userAgent) && !window.opera);
+  if (isIE) return "&mdash;";
+
+  // Easy, common case: a solid line
+  if (!strokePattern || strokePattern.length <= 1) {
+    return "<div style=\"display: inline-block; position: relative; " +
+    "bottom: .5ex; padding-left: 1em; height: 1px; " +
+    "border-bottom: 2px solid " + color + ";\"></div>";
+  }
+
+  var i, j, paddingLeft, marginRight;
+  var strokePixelLength = 0, segmentLoop = 0;
+  var normalizedPattern = [];
+  var loop;
+
+  // Compute the length of the pixels including the first segment twice, 
+  // since we repeat it.
+  for (i = 0; i <= strokePattern.length; i++) {
+    strokePixelLength += strokePattern[i%strokePattern.length];
+  }
+
+  // See if we can loop the pattern by itself at least twice.
+  loop = Math.floor(oneEmWidth/(strokePixelLength-strokePattern[0]));
+  if (loop > 1) {
+    // This pattern fits at least two times, no scaling just convert to em;
+    for (i = 0; i < strokePattern.length; i++) {
+      normalizedPattern[i] = strokePattern[i]/oneEmWidth;
+    }
+    // Since we are repeating the pattern, we don't worry about repeating the
+    // first segment in one draw.
+    segmentLoop = normalizedPattern.length;
+  } else {
+    // If the pattern doesn't fit in the legend we scale it to fit.
+    loop = 1;
+    for (i = 0; i < strokePattern.length; i++) {
+      normalizedPattern[i] = strokePattern[i]/strokePixelLength;
+    }
+    // For the scaled patterns we do redraw the first segment.
+    segmentLoop = normalizedPattern.length+1;
+  }
+
+  // Now make the pattern.
+  var dash = "";
+  for (j = 0; j < loop; j++) {
+    for (i = 0; i < segmentLoop; i+=2) {
+      // The padding is the drawn segment.
+      paddingLeft = normalizedPattern[i%normalizedPattern.length];
+      if (i < strokePattern.length) {
+        // The margin is the space segment.
+        marginRight = normalizedPattern[(i+1)%normalizedPattern.length];
+      } else {
+        // The repeated first segment has no right margin.
+        marginRight = 0;
+      }
+      dash += "<div style=\"display: inline-block; position: relative; " +
+        "bottom: .5ex; margin-right: " + marginRight + "em; padding-left: " +
+        paddingLeft + "em; height: 1px; border-bottom: 2px solid " + color +
+        ";\"></div>";
+    }
+  }
+  return dash;
+};
+
+
+return legend;
+})();
+/**
+ * @license
+ * Copyright 2011 Paul Felix (paul.eric.felix@gmail.com)
+ * MIT-licensed (http://opensource.org/licenses/MIT)
+ */
+/*global Dygraph:false,TouchEvent:false */
+
+/**
+ * @fileoverview This file contains the RangeSelector plugin used to provide
+ * a timeline range selector widget for dygraphs.
+ */
+
+Dygraph.Plugins.RangeSelector = (function() {
+
+/*global Dygraph:false */
+"use strict";
+
+var rangeSelector = function() {
+  this.isIE_ = /MSIE/.test(navigator.userAgent) && !window.opera;
+  this.hasTouchInterface_ = typeof(TouchEvent) != 'undefined';
+  this.isMobileDevice_ = /mobile|android/gi.test(navigator.appVersion);
+  this.interfaceCreated_ = false;
+};
+
+rangeSelector.prototype.toString = function() {
+  return "RangeSelector Plugin";
+};
+
+rangeSelector.prototype.activate = function(dygraph) {
+  this.dygraph_ = dygraph;
+  this.isUsingExcanvas_ = dygraph.isUsingExcanvas_;
+  if (this.getOption_('showRangeSelector')) {
+    this.createInterface_();
+  }
+  return {
+    layout: this.reserveSpace_,
+    predraw: this.renderStaticLayer_,
+    didDrawChart: this.renderInteractiveLayer_
+  };
+};
+
+rangeSelector.prototype.destroy = function() {
+  this.bgcanvas_ = null;
+  this.fgcanvas_ = null;
+  this.leftZoomHandle_ = null;
+  this.rightZoomHandle_ = null;
+  this.iePanOverlay_ = null;
+};
+
+//------------------------------------------------------------------
+// Private methods
+//------------------------------------------------------------------
+
+rangeSelector.prototype.getOption_ = function(name, opt_series) {
+  return this.dygraph_.getOption(name, opt_series);
+};
+
+rangeSelector.prototype.setDefaultOption_ = function(name, value) {
+  this.dygraph_.attrs_[name] = value;
+};
+
+/**
+ * @private
+ * Creates the range selector elements and adds them to the graph.
+ */
+rangeSelector.prototype.createInterface_ = function() {
+  this.createCanvases_();
+  if (this.isUsingExcanvas_) {
+    this.createIEPanOverlay_();
+  }
+  this.createZoomHandles_();
+  this.initInteraction_();
+
+  // Range selector and animatedZooms have a bad interaction. See issue 359.
+  if (this.getOption_('animatedZooms')) {
+    console.warn('Animated zooms and range selector are not compatible; disabling animatedZooms.');
+    this.dygraph_.updateOptions({animatedZooms: false}, true);
+  }
+
+  this.interfaceCreated_ = true;
+  this.addToGraph_();
+};
+
+/**
+ * @private
+ * Adds the range selector to the graph.
+ */
+rangeSelector.prototype.addToGraph_ = function() {
+  var graphDiv = this.graphDiv_ = this.dygraph_.graphDiv;
+  graphDiv.appendChild(this.bgcanvas_);
+  graphDiv.appendChild(this.fgcanvas_);
+  graphDiv.appendChild(this.leftZoomHandle_);
+  graphDiv.appendChild(this.rightZoomHandle_);
+};
+
+/**
+ * @private
+ * Removes the range selector from the graph.
+ */
+rangeSelector.prototype.removeFromGraph_ = function() {
+  var graphDiv = this.graphDiv_;
+  graphDiv.removeChild(this.bgcanvas_);
+  graphDiv.removeChild(this.fgcanvas_);
+  graphDiv.removeChild(this.leftZoomHandle_);
+  graphDiv.removeChild(this.rightZoomHandle_);
+  this.graphDiv_ = null;
+};
+
+/**
+ * @private
+ * Called by Layout to allow range selector to reserve its space.
+ */
+rangeSelector.prototype.reserveSpace_ = function(e) {
+  if (this.getOption_('showRangeSelector')) {
+    e.reserveSpaceBottom(this.getOption_('rangeSelectorHeight') + 4);
+  }
+};
+
+/**
+ * @private
+ * Renders the static portion of the range selector at the predraw stage.
+ */
+rangeSelector.prototype.renderStaticLayer_ = function() {
+  if (!this.updateVisibility_()) {
+    return;
+  }
+  this.resize_();
+  this.drawStaticLayer_();
+};
+
+/**
+ * @private
+ * Renders the interactive portion of the range selector after the chart has been drawn.
+ */
+rangeSelector.prototype.renderInteractiveLayer_ = function() {
+  if (!this.updateVisibility_() || this.isChangingRange_) {
+    return;
+  }
+  this.placeZoomHandles_();
+  this.drawInteractiveLayer_();
+};
+
+/**
+ * @private
+ * Check to see if the range selector is enabled/disabled and update visibility accordingly.
+ */
+rangeSelector.prototype.updateVisibility_ = function() {
+  var enabled = this.getOption_('showRangeSelector');
+  if (enabled) {
+    if (!this.interfaceCreated_) {
+      this.createInterface_();
+    } else if (!this.graphDiv_ || !this.graphDiv_.parentNode) {
+      this.addToGraph_();
+    }
+  } else if (this.graphDiv_) {
+    this.removeFromGraph_();
+    var dygraph = this.dygraph_;
+    setTimeout(function() { dygraph.width_ = 0; dygraph.resize(); }, 1);
+  }
+  return enabled;
+};
+
+/**
+ * @private
+ * Resizes the range selector.
+ */
+rangeSelector.prototype.resize_ = function() {
+  function setElementRect(canvas, context, rect) {
+    var canvasScale = Dygraph.getContextPixelRatio(context);
+
+    canvas.style.top = rect.y + 'px';
+    canvas.style.left = rect.x + 'px';
+    canvas.width = rect.w * canvasScale;
+    canvas.height = rect.h * canvasScale;
+    canvas.style.width = rect.w + 'px';
+    canvas.style.height = rect.h + 'px';
+
+    if(canvasScale != 1) {
+      context.scale(canvasScale, canvasScale);
+    }
+  }
+
+  var plotArea = this.dygraph_.layout_.getPlotArea();
+  
+  var xAxisLabelHeight = 0;
+  if (this.dygraph_.getOptionForAxis('drawAxis', 'x')) {
+    xAxisLabelHeight = this.getOption_('xAxisHeight') || (this.getOption_('axisLabelFontSize') + 2 * this.getOption_('axisTickSize'));
+  }
+  this.canvasRect_ = {
+    x: plotArea.x,
+    y: plotArea.y + plotArea.h + xAxisLabelHeight + 4,
+    w: plotArea.w,
+    h: this.getOption_('rangeSelectorHeight')
+  };
+
+  setElementRect(this.bgcanvas_, this.bgcanvas_ctx_, this.canvasRect_);
+  setElementRect(this.fgcanvas_, this.fgcanvas_ctx_, this.canvasRect_);
+};
+
+/**
+ * @private
+ * Creates the background and foreground canvases.
+ */
+rangeSelector.prototype.createCanvases_ = function() {
+  this.bgcanvas_ = Dygraph.createCanvas();
+  this.bgcanvas_.className = 'dygraph-rangesel-bgcanvas';
+  this.bgcanvas_.style.position = 'absolute';
+  this.bgcanvas_.style.zIndex = 9;
+  this.bgcanvas_ctx_ = Dygraph.getContext(this.bgcanvas_);
+
+  this.fgcanvas_ = Dygraph.createCanvas();
+  this.fgcanvas_.className = 'dygraph-rangesel-fgcanvas';
+  this.fgcanvas_.style.position = 'absolute';
+  this.fgcanvas_.style.zIndex = 9;
+  this.fgcanvas_.style.cursor = 'default';
+  this.fgcanvas_ctx_ = Dygraph.getContext(this.fgcanvas_);
+};
+
+/**
+ * @private
+ * Creates overlay divs for IE/Excanvas so that mouse events are handled properly.
+ */
+rangeSelector.prototype.createIEPanOverlay_ = function() {
+  this.iePanOverlay_ = document.createElement("div");
+  this.iePanOverlay_.style.position = 'absolute';
+  this.iePanOverlay_.style.backgroundColor = 'white';
+  this.iePanOverlay_.style.filter = 'alpha(opacity=0)';
+  this.iePanOverlay_.style.display = 'none';
+  this.iePanOverlay_.style.cursor = 'move';
+  this.fgcanvas_.appendChild(this.iePanOverlay_);
+};
+
+/**
+ * @private
+ * Creates the zoom handle elements.
+ */
+rangeSelector.prototype.createZoomHandles_ = function() {
+  var img = new Image();
+  img.className = 'dygraph-rangesel-zoomhandle';
+  img.style.position = 'absolute';
+  img.style.zIndex = 10;
+  img.style.visibility = 'hidden'; // Initially hidden so they don't show up in the wrong place.
+  img.style.cursor = 'col-resize';
+
+  if (/MSIE 7/.test(navigator.userAgent)) { // IE7 doesn't support embedded src data.
+    img.width = 7;
+    img.height = 14;
+    img.style.backgroundColor = 'white';
+    img.style.border = '1px solid #333333'; // Just show box in IE7.
+  } else {
+    img.width = 9;
+    img.height = 16;
+    img.src = 'data:image/png;base64,' +
+'iVBORw0KGgoAAAANSUhEUgAAAAkAAAAQCAYAAADESFVDAAAAAXNSR0IArs4c6QAAAAZiS0dEANAA' +
+'zwDP4Z7KegAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAAd0SU1FB9sHGw0cMqdt1UwAAAAZdEVYdENv' +
+'bW1lbnQAQ3JlYXRlZCB3aXRoIEdJTVBXgQ4XAAAAaElEQVQoz+3SsRFAQBCF4Z9WJM8KCDVwownl' +
+'6YXsTmCUsyKGkZzcl7zkz3YLkypgAnreFmDEpHkIwVOMfpdi9CEEN2nGpFdwD03yEqDtOgCaun7s' +
+'qSTDH32I1pQA2Pb9sZecAxc5r3IAb21d6878xsAAAAAASUVORK5CYII=';
+  }
+
+  if (this.isMobileDevice_) {
+    img.width *= 2;
+    img.height *= 2;
+  }
+
+  this.leftZoomHandle_ = img;
+  this.rightZoomHandle_ = img.cloneNode(false);
+};
+
+/**
+ * @private
+ * Sets up the interaction for the range selector.
+ */
+rangeSelector.prototype.initInteraction_ = function() {
+  var self = this;
+  var topElem = document;
+  var clientXLast = 0;
+  var handle = null;
+  var isZooming = false;
+  var isPanning = false;
+  var dynamic = !this.isMobileDevice_ && !this.isUsingExcanvas_;
+
+  // We cover iframes during mouse interactions. See comments in
+  // dygraph-utils.js for more info on why this is a good idea.
+  var tarp = new Dygraph.IFrameTarp();
+
+  // functions, defined below.  Defining them this way (rather than with
+  // "function foo() {...}" makes JSHint happy.
+  var toXDataWindow, onZoomStart, onZoom, onZoomEnd, doZoom, isMouseInPanZone,
+      onPanStart, onPan, onPanEnd, doPan, onCanvasHover;
+
+  // Touch event functions
+  var onZoomHandleTouchEvent, onCanvasTouchEvent, addTouchEvents;
+
+  toXDataWindow = function(zoomHandleStatus) {
+    var xDataLimits = self.dygraph_.xAxisExtremes();
+    var fact = (xDataLimits[1] - xDataLimits[0])/self.canvasRect_.w;
+    var xDataMin = xDataLimits[0] + (zoomHandleStatus.leftHandlePos - self.canvasRect_.x)*fact;
+    var xDataMax = xDataLimits[0] + (zoomHandleStatus.rightHandlePos - self.canvasRect_.x)*fact;
+    return [xDataMin, xDataMax];
+  };
+
+  onZoomStart = function(e) {
+    Dygraph.cancelEvent(e);
+    isZooming = true;
+    clientXLast = e.clientX;
+    handle = e.target ? e.target : e.srcElement;
+    if (e.type === 'mousedown' || e.type === 'dragstart') {
+      // These events are removed manually.
+      Dygraph.addEvent(topElem, 'mousemove', onZoom);
+      Dygraph.addEvent(topElem, 'mouseup', onZoomEnd);
+    }
+    self.fgcanvas_.style.cursor = 'col-resize';
+    tarp.cover();
+    return true;
+  };
+
+  onZoom = function(e) {
+    if (!isZooming) {
+      return false;
+    }
+    Dygraph.cancelEvent(e);
+
+    var delX = e.clientX - clientXLast;
+    if (Math.abs(delX) < 4) {
+      return true;
+    }
+    clientXLast = e.clientX;
+
+    // Move handle.
+    var zoomHandleStatus = self.getZoomHandleStatus_();
+    var newPos;
+    if (handle == self.leftZoomHandle_) {
+      newPos = zoomHandleStatus.leftHandlePos + delX;
+      newPos = Math.min(newPos, zoomHandleStatus.rightHandlePos - handle.width - 3);
+      newPos = Math.max(newPos, self.canvasRect_.x);
+    } else {
+      newPos = zoomHandleStatus.rightHandlePos + delX;
+      newPos = Math.min(newPos, self.canvasRect_.x + self.canvasRect_.w);
+      newPos = Math.max(newPos, zoomHandleStatus.leftHandlePos + handle.width + 3);
+    }
+    var halfHandleWidth = handle.width/2;
+    handle.style.left = (newPos - halfHandleWidth) + 'px';
+    self.drawInteractiveLayer_();
+
+    // Zoom on the fly (if not using excanvas).
+    if (dynamic) {
+      doZoom();
+    }
+    return true;
+  };
+
+  onZoomEnd = function(e) {
+    if (!isZooming) {
+      return false;
+    }
+    isZooming = false;
+    tarp.uncover();
+    Dygraph.removeEvent(topElem, 'mousemove', onZoom);
+    Dygraph.removeEvent(topElem, 'mouseup', onZoomEnd);
+    self.fgcanvas_.style.cursor = 'default';
+
+    // If using excanvas, Zoom now.
+    if (!dynamic) {
+      doZoom();
+    }
+    return true;
+  };
+
+  doZoom = function() {
+    try {
+      var zoomHandleStatus = self.getZoomHandleStatus_();
+      self.isChangingRange_ = true;
+      if (!zoomHandleStatus.isZoomed) {
+        self.dygraph_.resetZoom();
+      } else {
+        var xDataWindow = toXDataWindow(zoomHandleStatus);
+        self.dygraph_.doZoomXDates_(xDataWindow[0], xDataWindow[1]);
+      }
+    } finally {
+      self.isChangingRange_ = false;
+    }
+  };
+
+  isMouseInPanZone = function(e) {
+    if (self.isUsingExcanvas_) {
+        return e.srcElement == self.iePanOverlay_;
+    } else {
+      var rect = self.leftZoomHandle_.getBoundingClientRect();
+      var leftHandleClientX = rect.left + rect.width/2;
+      rect = self.rightZoomHandle_.getBoundingClientRect();
+      var rightHandleClientX = rect.left + rect.width/2;
+      return (e.clientX > leftHandleClientX && e.clientX < rightHandleClientX);
+    }
+  };
+
+  onPanStart = function(e) {
+    if (!isPanning && isMouseInPanZone(e) && self.getZoomHandleStatus_().isZoomed) {
+      Dygraph.cancelEvent(e);
+      isPanning = true;
+      clientXLast = e.clientX;
+      if (e.type === 'mousedown') {
+        // These events are removed manually.
+        Dygraph.addEvent(topElem, 'mousemove', onPan);
+        Dygraph.addEvent(topElem, 'mouseup', onPanEnd);
+      }
+      return true;
+    }
+    return false;
+  };
+
+  onPan = function(e) {
+    if (!isPanning) {
+      return false;
+    }
+    Dygraph.cancelEvent(e);
+
+    var delX = e.clientX - clientXLast;
+    if (Math.abs(delX) < 4) {
+      return true;
+    }
+    clientXLast = e.clientX;
+
+    // Move range view
+    var zoomHandleStatus = self.getZoomHandleStatus_();
+    var leftHandlePos = zoomHandleStatus.leftHandlePos;
+    var rightHandlePos = zoomHandleStatus.rightHandlePos;
+    var rangeSize = rightHandlePos - leftHandlePos;
+    if (leftHandlePos + delX <= self.canvasRect_.x) {
+      leftHandlePos = self.canvasRect_.x;
+      rightHandlePos = leftHandlePos + rangeSize;
+    } else if (rightHandlePos + delX >= self.canvasRect_.x + self.canvasRect_.w) {
+      rightHandlePos = self.canvasRect_.x + self.canvasRect_.w;
+      leftHandlePos = rightHandlePos - rangeSize;
+    } else {
+      leftHandlePos += delX;
+      rightHandlePos += delX;
+    }
+    var halfHandleWidth = self.leftZoomHandle_.width/2;
+    self.leftZoomHandle_.style.left = (leftHandlePos - halfHandleWidth) + 'px';
+    self.rightZoomHandle_.style.left = (rightHandlePos - halfHandleWidth) + 'px';
+    self.drawInteractiveLayer_();
+
+    // Do pan on the fly (if not using excanvas).
+    if (dynamic) {
+      doPan();
+    }
+    return true;
+  };
+
+  onPanEnd = function(e) {
+    if (!isPanning) {
+      return false;
+    }
+    isPanning = false;
+    Dygraph.removeEvent(topElem, 'mousemove', onPan);
+    Dygraph.removeEvent(topElem, 'mouseup', onPanEnd);
+    // If using excanvas, do pan now.
+    if (!dynamic) {
+      doPan();
+    }
+    return true;
+  };
+
+  doPan = function() {
+    try {
+      self.isChangingRange_ = true;
+      self.dygraph_.dateWindow_ = toXDataWindow(self.getZoomHandleStatus_());
+      self.dygraph_.drawGraph_(false);
+    } finally {
+      self.isChangingRange_ = false;
+    }
+  };
+
+  onCanvasHover = function(e) {
+    if (isZooming || isPanning) {
+      return;
+    }
+    var cursor = isMouseInPanZone(e) ? 'move' : 'default';
+    if (cursor != self.fgcanvas_.style.cursor) {
+      self.fgcanvas_.style.cursor = cursor;
+    }
+  };
+
+  onZoomHandleTouchEvent = function(e) {
+    if (e.type == 'touchstart' && e.targetTouches.length == 1) {
+      if (onZoomStart(e.targetTouches[0])) {
+        Dygraph.cancelEvent(e);
+      }
+    } else if (e.type == 'touchmove' && e.targetTouches.length == 1) {
+      if (onZoom(e.targetTouches[0])) {
+        Dygraph.cancelEvent(e);
+      }
+    } else {
+      onZoomEnd(e);
+    }
+  };
+
+  onCanvasTouchEvent = function(e) {
+    if (e.type == 'touchstart' && e.targetTouches.length == 1) {
+      if (onPanStart(e.targetTouches[0])) {
+        Dygraph.cancelEvent(e);
+      }
+    } else if (e.type == 'touchmove' && e.targetTouches.length == 1) {
+      if (onPan(e.targetTouches[0])) {
+        Dygraph.cancelEvent(e);
+      }
+    } else {
+      onPanEnd(e);
+    }
+  };
+
+  addTouchEvents = function(elem, fn) {
+    var types = ['touchstart', 'touchend', 'touchmove', 'touchcancel'];
+    for (var i = 0; i < types.length; i++) {
+      self.dygraph_.addAndTrackEvent(elem, types[i], fn);
+    }
+  };
+
+  this.setDefaultOption_('interactionModel', Dygraph.Interaction.dragIsPanInteractionModel);
+  this.setDefaultOption_('panEdgeFraction', 0.0001);
+
+  var dragStartEvent = window.opera ? 'mousedown' : 'dragstart';
+  this.dygraph_.addAndTrackEvent(this.leftZoomHandle_, dragStartEvent, onZoomStart);
+  this.dygraph_.addAndTrackEvent(this.rightZoomHandle_, dragStartEvent, onZoomStart);
+
+  if (this.isUsingExcanvas_) {
+    this.dygraph_.addAndTrackEvent(this.iePanOverlay_, 'mousedown', onPanStart);
+  } else {
+    this.dygraph_.addAndTrackEvent(this.fgcanvas_, 'mousedown', onPanStart);
+    this.dygraph_.addAndTrackEvent(this.fgcanvas_, 'mousemove', onCanvasHover);
+  }
+
+  // Touch events
+  if (this.hasTouchInterface_) {
+    addTouchEvents(this.leftZoomHandle_, onZoomHandleTouchEvent);
+    addTouchEvents(this.rightZoomHandle_, onZoomHandleTouchEvent);
+    addTouchEvents(this.fgcanvas_, onCanvasTouchEvent);
+  }
+};
+
+/**
+ * @private
+ * Draws the static layer in the background canvas.
+ */
+rangeSelector.prototype.drawStaticLayer_ = function() {
+  var ctx = this.bgcanvas_ctx_;
+  ctx.clearRect(0, 0, this.canvasRect_.w, this.canvasRect_.h);
+  try {
+    this.drawMiniPlot_();
+  } catch(ex) {
+    console.warn(ex);
+  }
+
+  var margin = 0.5;
+  this.bgcanvas_ctx_.lineWidth = 1;
+  ctx.strokeStyle = 'gray';
+  ctx.beginPath();
+  ctx.moveTo(margin, margin);
+  ctx.lineTo(margin, this.canvasRect_.h-margin);
+  ctx.lineTo(this.canvasRect_.w-margin, this.canvasRect_.h-margin);
+  ctx.lineTo(this.canvasRect_.w-margin, margin);
+  ctx.stroke();
+};
+
+
+/**
+ * @private
+ * Draws the mini plot in the background canvas.
+ */
+rangeSelector.prototype.drawMiniPlot_ = function() {
+  var fillStyle = this.getOption_('rangeSelectorPlotFillColor');
+  var strokeStyle = this.getOption_('rangeSelectorPlotStrokeColor');
+  if (!fillStyle && !strokeStyle) {
+    return;
+  }
+
+  var stepPlot = this.getOption_('stepPlot');
+
+  var combinedSeriesData = this.computeCombinedSeriesAndLimits_();
+  var yRange = combinedSeriesData.yMax - combinedSeriesData.yMin;
+
+  // Draw the mini plot.
+  var ctx = this.bgcanvas_ctx_;
+  var margin = 0.5;
+
+  var xExtremes = this.dygraph_.xAxisExtremes();
+  var xRange = Math.max(xExtremes[1] - xExtremes[0], 1.e-30);
+  var xFact = (this.canvasRect_.w - margin)/xRange;
+  var yFact = (this.canvasRect_.h - margin)/yRange;
+  var canvasWidth = this.canvasRect_.w - margin;
+  var canvasHeight = this.canvasRect_.h - margin;
+
+  var prevX = null, prevY = null;
+
+  ctx.beginPath();
+  ctx.moveTo(margin, canvasHeight);
+  for (var i = 0; i < combinedSeriesData.data.length; i++) {
+    var dataPoint = combinedSeriesData.data[i];
+    var x = ((dataPoint[0] !== null) ? ((dataPoint[0] - xExtremes[0])*xFact) : NaN);
+    var y = ((dataPoint[1] !== null) ? (canvasHeight - (dataPoint[1] - combinedSeriesData.yMin)*yFact) : NaN);
+
+    // Skip points that don't change the x-value. Overly fine-grained points
+    // can cause major slowdowns with the ctx.fill() call below.
+    if (!stepPlot && prevX !== null && Math.round(x) == Math.round(prevX)) {
+      continue;
+    }
+
+    if (isFinite(x) && isFinite(y)) {
+      if(prevX === null) {
+        ctx.lineTo(x, canvasHeight);
+      }
+      else if (stepPlot) {
+        ctx.lineTo(x, prevY);
+      }
+      ctx.lineTo(x, y);
+      prevX = x;
+      prevY = y;
+    }
+    else {
+      if(prevX !== null) {
+        if (stepPlot) {
+          ctx.lineTo(x, prevY);
+          ctx.lineTo(x, canvasHeight);
+        }
+        else {
+          ctx.lineTo(prevX, canvasHeight);
+        }
+      }
+      prevX = prevY = null;
+    }
+  }
+  ctx.lineTo(canvasWidth, canvasHeight);
+  ctx.closePath();
+
+  if (fillStyle) {
+    var lingrad = this.bgcanvas_ctx_.createLinearGradient(0, 0, 0, canvasHeight);
+    lingrad.addColorStop(0, 'white');
+    lingrad.addColorStop(1, fillStyle);
+    this.bgcanvas_ctx_.fillStyle = lingrad;
+    ctx.fill();
+  }
+
+  if (strokeStyle) {
+    this.bgcanvas_ctx_.strokeStyle = strokeStyle;
+    this.bgcanvas_ctx_.lineWidth = 1.5;
+    ctx.stroke();
+  }
+};
+
+/**
+ * @private
+ * Computes and returns the combined series data along with min/max for the mini plot.
+ * The combined series consists of averaged values for all series.
+ * When series have error bars, the error bars are ignored.
+ * @return {Object} An object containing combined series array, ymin, ymax.
+ */
+rangeSelector.prototype.computeCombinedSeriesAndLimits_ = function() {
+  var g = this.dygraph_;
+  var logscale = this.getOption_('logscale');
+  var i;
+
+  // Select series to combine. By default, all series are combined.
+  var numColumns = g.numColumns();
+  var labels = g.getLabels();
+  var includeSeries = new Array(numColumns);
+  var anySet = false;
+  for (i = 1; i < numColumns; i++) {
+    var include = this.getOption_('showInRangeSelector', labels[i]);
+    includeSeries[i] = include;
+    if (include !== null) anySet = true;  // it's set explicitly for this series
+  }
+  if (!anySet) {
+    for (i = 0; i < includeSeries.length; i++) includeSeries[i] = true;
+  }
+
+  // Create a combined series (average of selected series values).
+  // TODO(danvk): short-circuit if there's only one series.
+  var rolledSeries = [];
+  var dataHandler = g.dataHandler_;
+  var options = g.attributes_;
+  for (i = 1; i < g.numColumns(); i++) {
+    if (!includeSeries[i]) continue;
+    var series = dataHandler.extractSeries(g.rawData_, i, options);
+    if (g.rollPeriod() > 1) {
+      series = dataHandler.rollingAverage(series, g.rollPeriod(), options);
+    }
+    
+    rolledSeries.push(series);
+  }
+
+  var combinedSeries = [];
+  for (i = 0; i < rolledSeries[0].length; i++) {
+    var sum = 0;
+    var count = 0;
+    for (var j = 0; j < rolledSeries.length; j++) {
+      var y = rolledSeries[j][i][1];
+      if (y === null || isNaN(y)) continue;
+      count++;
+      sum += y;
+    }
+    combinedSeries.push([rolledSeries[0][i][0], sum / count]);
+  }
+
+  // Compute the y range.
+  var yMin = Number.MAX_VALUE;
+  var yMax = -Number.MAX_VALUE;
+  for (i = 0; i < combinedSeries.length; i++) {
+    var yVal = combinedSeries[i][1];
+    if (yVal !== null && isFinite(yVal) && (!logscale || yVal > 0)) {
+      yMin = Math.min(yMin, yVal);
+      yMax = Math.max(yMax, yVal);
+    }
+  }
+
+  // Convert Y data to log scale if needed.
+  // Also, expand the Y range to compress the mini plot a little.
+  var extraPercent = 0.25;
+  if (logscale) {
+    yMax = Dygraph.log10(yMax);
+    yMax += yMax*extraPercent;
+    yMin = Dygraph.log10(yMin);
+    for (i = 0; i < combinedSeries.length; i++) {
+      combinedSeries[i][1] = Dygraph.log10(combinedSeries[i][1]);
+    }
+  } else {
+    var yExtra;
+    var yRange = yMax - yMin;
+    if (yRange <= Number.MIN_VALUE) {
+      yExtra = yMax*extraPercent;
+    } else {
+      yExtra = yRange*extraPercent;
+    }
+    yMax += yExtra;
+    yMin -= yExtra;
+  }
+
+  return {data: combinedSeries, yMin: yMin, yMax: yMax};
+};
+
+/**
+ * @private
+ * Places the zoom handles in the proper position based on the current X data window.
+ */
+rangeSelector.prototype.placeZoomHandles_ = function() {
+  var xExtremes = this.dygraph_.xAxisExtremes();
+  var xWindowLimits = this.dygraph_.xAxisRange();
+  var xRange = xExtremes[1] - xExtremes[0];
+  var leftPercent = Math.max(0, (xWindowLimits[0] - xExtremes[0])/xRange);
+  var rightPercent = Math.max(0, (xExtremes[1] - xWindowLimits[1])/xRange);
+  var leftCoord = this.canvasRect_.x + this.canvasRect_.w*leftPercent;
+  var rightCoord = this.canvasRect_.x + this.canvasRect_.w*(1 - rightPercent);
+  var handleTop = Math.max(this.canvasRect_.y, this.canvasRect_.y + (this.canvasRect_.h - this.leftZoomHandle_.height)/2);
+  var halfHandleWidth = this.leftZoomHandle_.width/2;
+  this.leftZoomHandle_.style.left = (leftCoord - halfHandleWidth) + 'px';
+  this.leftZoomHandle_.style.top = handleTop + 'px';
+  this.rightZoomHandle_.style.left = (rightCoord - halfHandleWidth) + 'px';
+  this.rightZoomHandle_.style.top = this.leftZoomHandle_.style.top;
+
+  this.leftZoomHandle_.style.visibility = 'visible';
+  this.rightZoomHandle_.style.visibility = 'visible';
+};
+
+/**
+ * @private
+ * Draws the interactive layer in the foreground canvas.
+ */
+rangeSelector.prototype.drawInteractiveLayer_ = function() {
+  var ctx = this.fgcanvas_ctx_;
+  ctx.clearRect(0, 0, this.canvasRect_.w, this.canvasRect_.h);
+  var margin = 1;
+  var width = this.canvasRect_.w - margin;
+  var height = this.canvasRect_.h - margin;
+  var zoomHandleStatus = this.getZoomHandleStatus_();
+
+  ctx.strokeStyle = 'black';
+  if (!zoomHandleStatus.isZoomed) {
+    ctx.beginPath();
+    ctx.moveTo(margin, margin);
+    ctx.lineTo(margin, height);
+    ctx.lineTo(width, height);
+    ctx.lineTo(width, margin);
+    ctx.stroke();
+    if (this.iePanOverlay_) {
+      this.iePanOverlay_.style.display = 'none';
+    }
+  } else {
+    var leftHandleCanvasPos = Math.max(margin, zoomHandleStatus.leftHandlePos - this.canvasRect_.x);
+    var rightHandleCanvasPos = Math.min(width, zoomHandleStatus.rightHandlePos - this.canvasRect_.x);
+
+    ctx.fillStyle = 'rgba(240, 240, 240, 0.6)';
+    ctx.fillRect(0, 0, leftHandleCanvasPos, this.canvasRect_.h);
+    ctx.fillRect(rightHandleCanvasPos, 0, this.canvasRect_.w - rightHandleCanvasPos, this.canvasRect_.h);
+
+    ctx.beginPath();
+    ctx.moveTo(margin, margin);
+    ctx.lineTo(leftHandleCanvasPos, margin);
+    ctx.lineTo(leftHandleCanvasPos, height);
+    ctx.lineTo(rightHandleCanvasPos, height);
+    ctx.lineTo(rightHandleCanvasPos, margin);
+    ctx.lineTo(width, margin);
+    ctx.stroke();
+
+    if (this.isUsingExcanvas_) {
+      this.iePanOverlay_.style.width = (rightHandleCanvasPos - leftHandleCanvasPos) + 'px';
+      this.iePanOverlay_.style.left = leftHandleCanvasPos + 'px';
+      this.iePanOverlay_.style.height = height + 'px';
+      this.iePanOverlay_.style.display = 'inline';
+    }
+  }
+};
+
+/**
+ * @private
+ * Returns the current zoom handle position information.
+ * @return {Object} The zoom handle status.
+ */
+rangeSelector.prototype.getZoomHandleStatus_ = function() {
+  var halfHandleWidth = this.leftZoomHandle_.width/2;
+  var leftHandlePos = parseFloat(this.leftZoomHandle_.style.left) + halfHandleWidth;
+  var rightHandlePos = parseFloat(this.rightZoomHandle_.style.left) + halfHandleWidth;
+  return {
+      leftHandlePos: leftHandlePos,
+      rightHandlePos: rightHandlePos,
+      isZoomed: (leftHandlePos - 1 > this.canvasRect_.x || rightHandlePos + 1 < this.canvasRect_.x+this.canvasRect_.w)
+  };
+};
+
+return rangeSelector;
+
+})();
+/*global Dygraph:false */
+
+// This file defines the ordering of the plugins.
+//
+// The ordering is from most-general to most-specific.
+// This means that, in an event cascade, plugins which have registered for that
+// event will be called in reverse order.
+//
+// This is most relevant for plugins which register a layout event, e.g.
+// Axes, Legend and ChartLabels.
+
+Dygraph.PLUGINS.push(
+  Dygraph.Plugins.Legend,
+  Dygraph.Plugins.Axes,
+  Dygraph.Plugins.RangeSelector, // Has to be before ChartLabels so that its callbacks are called after ChartLabels' callbacks.
+  Dygraph.Plugins.ChartLabels,
+  Dygraph.Plugins.Annotations,
+  Dygraph.Plugins.Grid
+);
+/**
+ * @license
+ * Copyright 2013 David Eberlein (david.eberlein@ch.sauter-bc.com)
+ * MIT-licensed (http://opensource.org/licenses/MIT)
+ */
+
+/**
+ * @fileoverview This file contains the managment of data handlers
+ * @author David Eberlein (david.eberlein@ch.sauter-bc.com)
+ * 
+ * The idea is to define a common, generic data format that works for all data
+ * structures supported by dygraphs. To make this possible, the DataHandler
+ * interface is introduced. This makes it possible, that dygraph itself can work
+ * with the same logic for every data type independent of the actual format and
+ * the DataHandler takes care of the data format specific jobs. 
+ * DataHandlers are implemented for all data types supported by Dygraphs and
+ * return Dygraphs compliant formats.
+ * By default the correct DataHandler is chosen based on the options set.
+ * Optionally the user may use his own DataHandler (similar to the plugin
+ * system).
+ * 
+ * 
+ * The unified data format returend by each handler is defined as so: 
+ * series[n][point] = [x,y,(extras)] 
+ * 
+ * This format contains the common basis that is needed to draw a simple line
+ * series extended by optional extras for more complex graphing types. It
+ * contains a primitive x value as first array entry, a primitive y value as
+ * second array entry and an optional extras object for additional data needed.
+ * 
+ * x must always be a number.
+ * y must always be a number, NaN of type number or null.
+ * extras is optional and must be interpreted by the DataHandler. It may be of
+ * any type. 
+ * 
+ * In practice this might look something like this:
+ * default: [x, yVal]
+ * errorBar / customBar: [x, yVal, [yTopVariance, yBottomVariance] ]
+ * 
+ */
+/*global Dygraph:false */
+/*global DygraphLayout:false */
+
+/**
+ * 
+ * The data handler is responsible for all data specific operations. All of the
+ * series data it receives and returns is always in the unified data format.
+ * Initially the unified data is created by the extractSeries method
+ * @constructor
+ */
+Dygraph.DataHandler = function () {
+};
+
+/**
+ * A collection of functions to create and retrieve data handlers.
+ * @type {Object.<!Dygraph.DataHandler>}
+ */
+Dygraph.DataHandlers = {};
+
+(function() {
+
+"use strict";
+
+var handler = Dygraph.DataHandler;
+
+/**
+ * X-value array index constant for unified data samples.
+ * @const
+ * @type {number}
+ */
+handler.X = 0;
+
+/**
+ * Y-value array index constant for unified data samples.
+ * @const
+ * @type {number}
+ */
+handler.Y = 1;
+
+/**
+ * Extras-value array index constant for unified data samples.
+ * @const
+ * @type {number}
+ */
+handler.EXTRAS = 2;
+
+/**
+ * Extracts one series from the raw data (a 2D array) into an array of the
+ * unified data format.
+ * This is where undesirable points (i.e. negative values on log scales and
+ * missing values through which we wish to connect lines) are dropped.
+ * TODO(danvk): the "missing values" bit above doesn't seem right.
+ * 
+ * @param {!Array.<Array>} rawData The raw data passed into dygraphs where 
+ *     rawData[i] = [x,ySeries1,...,ySeriesN].
+ * @param {!number} seriesIndex Index of the series to extract. All other
+ *     series should be ignored.
+ * @param {!DygraphOptions} options Dygraph options.
+ * @return {Array.<[!number,?number,?]>} The series in the unified data format
+ *     where series[i] = [x,y,{extras}]. 
+ */
+handler.prototype.extractSeries = function(rawData, seriesIndex, options) {
+};
+
+/**
+ * Converts a series to a Point array.  The resulting point array must be
+ * returned in increasing order of idx property.
+ * 
+ * @param {!Array.<[!number,?number,?]>} series The series in the unified 
+ *          data format where series[i] = [x,y,{extras}].
+ * @param {!string} setName Name of the series.
+ * @param {!number} boundaryIdStart Index offset of the first point, equal to the
+ *          number of skipped points left of the date window minimum (if any).
+ * @return {!Array.<Dygraph.PointType>} List of points for this series.
+ */
+handler.prototype.seriesToPoints = function(series, setName, boundaryIdStart) {
+  // TODO(bhs): these loops are a hot-spot for high-point-count charts. In
+  // fact,
+  // on chrome+linux, they are 6 times more expensive than iterating through
+  // the
+  // points and drawing the lines. The brunt of the cost comes from allocating
+  // the |point| structures.
+  var points = [];
+  for ( var i = 0; i < series.length; ++i) {
+    var item = series[i];
+    var yraw = item[1];
+    var yval = yraw === null ? null : handler.parseFloat(yraw);
+    var point = {
+      x : NaN,
+      y : NaN,
+      xval : handler.parseFloat(item[0]),
+      yval : yval,
+      name : setName, // TODO(danvk): is this really necessary?
+      idx : i + boundaryIdStart
+    };
+    points.push(point);
+  }
+  this.onPointsCreated_(series, points);
+  return points;
+};
+
+/**
+ * Callback called for each series after the series points have been generated
+ * which will later be used by the plotters to draw the graph.
+ * Here data may be added to the seriesPoints which is needed by the plotters.
+ * The indexes of series and points are in sync meaning the original data
+ * sample for series[i] is points[i].
+ * 
+ * @param {!Array.<[!number,?number,?]>} series The series in the unified 
+ *     data format where series[i] = [x,y,{extras}].
+ * @param {!Array.<Dygraph.PointType>} points The corresponding points passed 
+ *     to the plotter.
+ * @protected
+ */
+handler.prototype.onPointsCreated_ = function(series, points) {
+};
+
+/**
+ * Calculates the rolling average of a data set.
+ * 
+ * @param {!Array.<[!number,?number,?]>} series The series in the unified 
+ *          data format where series[i] = [x,y,{extras}].
+ * @param {!number} rollPeriod The number of points over which to average the data
+ * @param {!DygraphOptions} options The dygraph options.
+ * @return {!Array.<[!number,?number,?]>} the rolled series.
+ */
+handler.prototype.rollingAverage = function(series, rollPeriod, options) {
+};
+
+/**
+ * Computes the range of the data series (including confidence intervals).
+ * 
+ * @param {!Array.<[!number,?number,?]>} series The series in the unified 
+ *     data format where series[i] = [x, y, {extras}].
+ * @param {!Array.<number>} dateWindow The x-value range to display with 
+ *     the format: [min, max].
+ * @param {!DygraphOptions} options The dygraph options.
+ * @return {Array.<number>} The low and high extremes of the series in the
+ *     given window with the format: [low, high].
+ */
+handler.prototype.getExtremeYValues = function(series, dateWindow, options) {
+};
+
+/**
+ * Callback called for each series after the layouting data has been
+ * calculated before the series is drawn. Here normalized positioning data
+ * should be calculated for the extras of each point.
+ * 
+ * @param {!Array.<Dygraph.PointType>} points The points passed to 
+ *          the plotter.
+ * @param {!Object} axis The axis on which the series will be plotted.
+ * @param {!boolean} logscale Weather or not to use a logscale.
+ */
+handler.prototype.onLineEvaluated = function(points, axis, logscale) {
+};
+
+/**
+ * Helper method that computes the y value of a line defined by the points p1
+ * and p2 and a given x value.
+ * 
+ * @param {!Array.<number>} p1 left point ([x,y]).
+ * @param {!Array.<number>} p2 right point ([x,y]).
+ * @param {!number} xValue The x value to compute the y-intersection for.
+ * @return {number} corresponding y value to x on the line defined by p1 and p2.
+ * @private
+ */
+handler.prototype.computeYInterpolation_ = function(p1, p2, xValue) {
+  var deltaY = p2[1] - p1[1];
+  var deltaX = p2[0] - p1[0];
+  var gradient = deltaY / deltaX;
+  var growth = (xValue - p1[0]) * gradient;
+  return p1[1] + growth;
+};
+
+/**
+ * Helper method that returns the first and the last index of the given series
+ * that lie inside the given dateWindow.
+ * 
+ * @param {!Array.<[!number,?number,?]>} series The series in the unified 
+ *     data format where series[i] = [x,y,{extras}].
+ * @param {!Array.<number>} dateWindow The x-value range to display with 
+ *     the format: [min,max].
+ * @return {!Array.<[!number,?number,?]>} The samples of the series that 
+ *     are in the given date window.
+ * @private
+ */
+handler.prototype.getIndexesInWindow_ = function(series, dateWindow) {
+  var firstIdx = 0, lastIdx = series.length - 1;
+  if (dateWindow) {
+    var idx = 0;
+    var low = dateWindow[0];
+    var high = dateWindow[1];
+
+    // Start from each side of the array to minimize the performance
+    // needed.
+    while (idx < series.length - 1 && series[idx][0] < low) {
+      firstIdx++;
+      idx++;
+    }
+    idx = series.length - 1;
+    while (idx > 0 && series[idx][0] > high) {
+      lastIdx--;
+      idx--;
+    }
+  }
+  if (firstIdx <= lastIdx) {
+    return [ firstIdx, lastIdx ];
+  } else {
+    return [ 0, series.length - 1 ];
+  }
+};
+
+/**
+ * Optimized replacement for parseFloat, which was way too slow when almost
+ * all values were type number, with few edge cases, none of which were strings.
+ * @param {?number} val
+ * @return {number}
+ * @protected
+ */
+handler.parseFloat = function(val) {
+  // parseFloat(null) is NaN
+  if (val === null) {
+    return NaN;
+  }
+
+  // Assume it's a number or NaN. If it's something else, I'll be shocked.
+  return val;
+};
+
+})();
+/**
+ * @license
+ * Copyright 2013 David Eberlein (david.eberlein@ch.sauter-bc.com)
+ * MIT-licensed (http://opensource.org/licenses/MIT)
+ */
+
+/**
+ * @fileoverview DataHandler default implementation used for simple line charts.
+ * @author David Eberlein (david.eberlein@ch.sauter-bc.com)
+ */
+
+(function() {
+
+/*global Dygraph:false */
+"use strict";
+
+/**
+ * @constructor
+ * @extends Dygraph.DataHandler
+ */
+Dygraph.DataHandlers.DefaultHandler = function() {
+};
+
+var DefaultHandler = Dygraph.DataHandlers.DefaultHandler;
+DefaultHandler.prototype = new Dygraph.DataHandler();
+
+/** @inheritDoc */
+DefaultHandler.prototype.extractSeries = function(rawData, i, options) {
+  // TODO(danvk): pre-allocate series here.
+  var series = [];
+  var logScale = options.get('logscale');
+  for ( var j = 0; j < rawData.length; j++) {
+    var x = rawData[j][0];
+    var point = rawData[j][i];
+    if (logScale) {
+      // On the log scale, points less than zero do not exist.
+      // This will create a gap in the chart.
+      if (point <= 0) {
+        point = null;
+      }
+    }
+    series.push([ x, point ]);
+  }
+  return series;
+};
+
+/** @inheritDoc */
+DefaultHandler.prototype.rollingAverage = function(originalData, rollPeriod,
+    options) {
+  rollPeriod = Math.min(rollPeriod, originalData.length);
+  var rollingData = [];
+
+  var i, j, y, sum, num_ok;
+  // Calculate the rolling average for the first rollPeriod - 1 points
+  // where
+  // there is not enough data to roll over the full number of points
+  if (rollPeriod == 1) {
+    return originalData;
+  }
+  for (i = 0; i < originalData.length; i++) {
+    sum = 0;
+    num_ok = 0;
+    for (j = Math.max(0, i - rollPeriod + 1); j < i + 1; j++) {
+      y = originalData[j][1];
+      if (y === null || isNaN(y))
+        continue;
+      num_ok++;
+      sum += originalData[j][1];
+    }
+    if (num_ok) {
+      rollingData[i] = [ originalData[i][0], sum / num_ok ];
+    } else {
+      rollingData[i] = [ originalData[i][0], null ];
+    }
+  }
+
+  return rollingData;
+};
+
+/** @inheritDoc */
+DefaultHandler.prototype.getExtremeYValues = function(series, dateWindow,
+    options) {
+  var minY = null, maxY = null, y;
+  var firstIdx = 0, lastIdx = series.length - 1;
+
+  for ( var j = firstIdx; j <= lastIdx; j++) {
+    y = series[j][1];
+    if (y === null || isNaN(y))
+      continue;
+    if (maxY === null || y > maxY) {
+      maxY = y;
+    }
+    if (minY === null || y < minY) {
+      minY = y;
+    }
+  }
+  return [ minY, maxY ];
+};
+
+})();
+/**
+ * @license
+ * Copyright 2013 David Eberlein (david.eberlein@ch.sauter-bc.com)
+ * MIT-licensed (http://opensource.org/licenses/MIT)
+ */
+
+/**
+ * @fileoverview DataHandler implementation for the fractions option.
+ * @author David Eberlein (david.eberlein@ch.sauter-bc.com)
+ */
+
+(function() {
+
+/*global Dygraph:false */
+"use strict";
+
+/**
+ * @extends Dygraph.DataHandlers.DefaultHandler
+ * @constructor
+ */
+Dygraph.DataHandlers.DefaultFractionHandler = function() {
+};
+  
+var DefaultFractionHandler = Dygraph.DataHandlers.DefaultFractionHandler;
+DefaultFractionHandler.prototype = new Dygraph.DataHandlers.DefaultHandler();
+
+DefaultFractionHandler.prototype.extractSeries = function(rawData, i, options) {
+  // TODO(danvk): pre-allocate series here.
+  var series = [];
+  var x, y, point, num, den, value;
+  var mult = 100.0;
+  var logScale = options.get('logscale');
+  for ( var j = 0; j < rawData.length; j++) {
+    x = rawData[j][0];
+    point = rawData[j][i];
+    if (logScale && point !== null) {
+      // On the log scale, points less than zero do not exist.
+      // This will create a gap in the chart.
+      if (point[0] <= 0 || point[1] <= 0) {
+        point = null;
+      }
+    }
+    // Extract to the unified data format.
+    if (point !== null) {
+      num = point[0];
+      den = point[1];
+      if (num !== null && !isNaN(num)) {
+        value = den ? num / den : 0.0;
+        y = mult * value;
+        // preserve original values in extras for further filtering
+        series.push([ x, y, [ num, den ] ]);
+      } else {
+        series.push([ x, num, [ num, den ] ]);
+      }
+    } else {
+      series.push([ x, null, [ null, null ] ]);
+    }
+  }
+  return series;
+};
+
+DefaultFractionHandler.prototype.rollingAverage = function(originalData, rollPeriod,
+    options) {
+  rollPeriod = Math.min(rollPeriod, originalData.length);
+  var rollingData = [];
+
+  var i;
+  var num = 0;
+  var den = 0; // numerator/denominator
+  var mult = 100.0;
+  for (i = 0; i < originalData.length; i++) {
+    num += originalData[i][2][0];
+    den += originalData[i][2][1];
+    if (i - rollPeriod >= 0) {
+      num -= originalData[i - rollPeriod][2][0];
+      den -= originalData[i - rollPeriod][2][1];
+    }
+
+    var date = originalData[i][0];
+    var value = den ? num / den : 0.0;
+    rollingData[i] = [ date, mult * value ];
+  }
+
+  return rollingData;
+};
+
+})();
+/**
+ * @license
+ * Copyright 2013 David Eberlein (david.eberlein@ch.sauter-bc.com)
+ * MIT-licensed (http://opensource.org/licenses/MIT)
+ */
+
+/**
+ * @fileoverview DataHandler base implementation for the "bar" 
+ * data formats. This implementation must be extended and the
+ * extractSeries and rollingAverage must be implemented.
+ * @author David Eberlein (david.eberlein@ch.sauter-bc.com)
+ */
+
+(function() {
+
+/*global Dygraph:false */
+/*global DygraphLayout:false */
+"use strict";
+
+/**
+ * @constructor
+ * @extends {Dygraph.DataHandler}
+ */
+Dygraph.DataHandlers.BarsHandler = function() {
+  Dygraph.DataHandler.call(this);
+};
+Dygraph.DataHandlers.BarsHandler.prototype = new Dygraph.DataHandler();
+
+// alias for the rest of the implementation
+var BarsHandler = Dygraph.DataHandlers.BarsHandler;
+
+// TODO(danvk): figure out why the jsdoc has to be copy/pasted from superclass.
+//   (I get closure compiler errors if this isn't here.)
+/**
+ * @override
+ * @param {!Array.<Array>} rawData The raw data passed into dygraphs where 
+ *     rawData[i] = [x,ySeries1,...,ySeriesN].
+ * @param {!number} seriesIndex Index of the series to extract. All other
+ *     series should be ignored.
+ * @param {!DygraphOptions} options Dygraph options.
+ * @return {Array.<[!number,?number,?]>} The series in the unified data format
+ *     where series[i] = [x,y,{extras}]. 
+ */
+BarsHandler.prototype.extractSeries = function(rawData, seriesIndex, options) {
+  // Not implemented here must be extended
+};
+
+/**
+ * @override
+ * @param {!Array.<[!number,?number,?]>} series The series in the unified 
+ *          data format where series[i] = [x,y,{extras}].
+ * @param {!number} rollPeriod The number of points over which to average the data
+ * @param {!DygraphOptions} options The dygraph options.
+ * TODO(danvk): be more specific than "Array" here.
+ * @return {!Array.<[!number,?number,?]>} the rolled series.
+ */
+BarsHandler.prototype.rollingAverage =
+    function(series, rollPeriod, options) {
+  // Not implemented here, must be extended.
+};
+
+/** @inheritDoc */
+BarsHandler.prototype.onPointsCreated_ = function(series, points) {
+  for (var i = 0; i < series.length; ++i) {
+    var item = series[i];
+    var point = points[i];
+    point.y_top = NaN;
+    point.y_bottom = NaN;
+    point.yval_minus = Dygraph.DataHandler.parseFloat(item[2][0]);
+    point.yval_plus = Dygraph.DataHandler.parseFloat(item[2][1]);
+  }
+};
+
+/** @inheritDoc */
+BarsHandler.prototype.getExtremeYValues = function(series, dateWindow, options) {
+  var minY = null, maxY = null, y;
+
+  var firstIdx = 0;
+  var lastIdx = series.length - 1;
+
+  for ( var j = firstIdx; j <= lastIdx; j++) {
+    y = series[j][1];
+    if (y === null || isNaN(y)) continue;
+
+    var low = series[j][2][0];
+    var high = series[j][2][1];
+
+    if (low > y) low = y; // this can happen with custom bars,
+    if (high < y) high = y; // e.g. in tests/custom-bars.html
+
+    if (maxY === null || high > maxY) maxY = high;
+    if (minY === null || low < minY) minY = low;
+  }
+
+  return [ minY, maxY ];
+};
+
+/** @inheritDoc */
+BarsHandler.prototype.onLineEvaluated = function(points, axis, logscale) {
+  var point;
+  for (var j = 0; j < points.length; j++) {
+    // Copy over the error terms
+    point = points[j];
+    point.y_top = DygraphLayout.calcYNormal_(axis, point.yval_minus, logscale);
+    point.y_bottom = DygraphLayout.calcYNormal_(axis, point.yval_plus, logscale);
+  }
+};
+
+})();
+/**
+ * @license
+ * Copyright 2013 David Eberlein (david.eberlein@ch.sauter-bc.com)
+ * MIT-licensed (http://opensource.org/licenses/MIT)
+ */
+
+/**
+ * @fileoverview DataHandler implementation for the custom bars option.
+ * @author David Eberlein (david.eberlein@ch.sauter-bc.com)
+ */
+
+(function() {
+
+/*global Dygraph:false */
+"use strict";
+
+/**
+ * @constructor
+ * @extends Dygraph.DataHandlers.BarsHandler
+ */
+Dygraph.DataHandlers.CustomBarsHandler = function() {
+};
+
+var CustomBarsHandler = Dygraph.DataHandlers.CustomBarsHandler;
+CustomBarsHandler.prototype = new Dygraph.DataHandlers.BarsHandler();
+
+/** @inheritDoc */
+CustomBarsHandler.prototype.extractSeries = function(rawData, i, options) {
+  // TODO(danvk): pre-allocate series here.
+  var series = [];
+  var x, y, point;
+  var logScale = options.get('logscale');
+  for ( var j = 0; j < rawData.length; j++) {
+    x = rawData[j][0];
+    point = rawData[j][i];
+    if (logScale && point !== null) {
+      // On the log scale, points less than zero do not exist.
+      // This will create a gap in the chart.
+      if (point[0] <= 0 || point[1] <= 0 || point[2] <= 0) {
+        point = null;
+      }
+    }
+    // Extract to the unified data format.
+    if (point !== null) {
+      y = point[1];
+      if (y !== null && !isNaN(y)) {
+        series.push([ x, y, [ point[0], point[2] ] ]);
+      } else {
+        series.push([ x, y, [ y, y ] ]);
+      }
+    } else {
+      series.push([ x, null, [ null, null ] ]);
+    }
+  }
+  return series;
+};
+
+/** @inheritDoc */
+CustomBarsHandler.prototype.rollingAverage =
+    function(originalData, rollPeriod, options) {
+  rollPeriod = Math.min(rollPeriod, originalData.length);
+  var rollingData = [];
+  var y, low, high, mid,count, i, extremes;
+
+  low = 0;
+  mid = 0;
+  high = 0;
+  count = 0;
+  for (i = 0; i < originalData.length; i++) {
+    y = originalData[i][1];
+    extremes = originalData[i][2];
+    rollingData[i] = originalData[i];
+
+    if (y !== null && !isNaN(y)) {
+      low += extremes[0];
+      mid += y;
+      high += extremes[1];
+      count += 1;
+    }
+    if (i - rollPeriod >= 0) {
+      var prev = originalData[i - rollPeriod];
+      if (prev[1] !== null && !isNaN(prev[1])) {
+        low -= prev[2][0];
+        mid -= prev[1];
+        high -= prev[2][1];
+        count -= 1;
+      }
+    }
+    if (count) {
+      rollingData[i] = [
+          originalData[i][0],
+          1.0 * mid / count, 
+          [ 1.0 * low / count,
+            1.0 * high / count ] ];
+    } else {
+      rollingData[i] = [ originalData[i][0], null, [ null, null ] ];
+    }
+  }
+
+  return rollingData;
+};
+
+})();
+/**
+ * @license
+ * Copyright 2013 David Eberlein (david.eberlein@ch.sauter-bc.com)
+ * MIT-licensed (http://opensource.org/licenses/MIT)
+ */
+
+/**
+ * @fileoverview DataHandler implementation for the error bars option.
+ * @author David Eberlein (david.eberlein@ch.sauter-bc.com)
+ */
+
+(function() {
+
+/*global Dygraph:false */
+"use strict";
+
+/**
+ * @constructor
+ * @extends Dygraph.DataHandlers.BarsHandler
+ */
+Dygraph.DataHandlers.ErrorBarsHandler = function() {
+};
+
+var ErrorBarsHandler = Dygraph.DataHandlers.ErrorBarsHandler;
+ErrorBarsHandler.prototype = new Dygraph.DataHandlers.BarsHandler();
+
+/** @inheritDoc */
+ErrorBarsHandler.prototype.extractSeries = function(rawData, i, options) {
+  // TODO(danvk): pre-allocate series here.
+  var series = [];
+  var x, y, variance, point;
+  var sigma = options.get("sigma");
+  var logScale = options.get('logscale');
+  for ( var j = 0; j < rawData.length; j++) {
+    x = rawData[j][0];
+    point = rawData[j][i];
+    if (logScale && point !== null) {
+      // On the log scale, points less than zero do not exist.
+      // This will create a gap in the chart.
+      if (point[0] <= 0 || point[0] - sigma * point[1] <= 0) {
+        point = null;
+      }
+    }
+    // Extract to the unified data format.
+    if (point !== null) {
+      y = point[0];
+      if (y !== null && !isNaN(y)) {
+        variance = sigma * point[1];
+        // preserve original error value in extras for further
+        // filtering
+        series.push([ x, y, [ y - variance, y + variance, point[1] ] ]);
+      } else {
+        series.push([ x, y, [ y, y, y ] ]);
+      }
+    } else {
+      series.push([ x, null, [ null, null, null ] ]);
+    }
+  }
+  return series;
+};
+
+/** @inheritDoc */
+ErrorBarsHandler.prototype.rollingAverage =
+    function(originalData, rollPeriod, options) {
+  rollPeriod = Math.min(rollPeriod, originalData.length);
+  var rollingData = [];
+  var sigma = options.get("sigma");
+
+  var i, j, y, v, sum, num_ok, stddev, variance, value;
+
+  // Calculate the rolling average for the first rollPeriod - 1 points
+  // where there is not enough data to roll over the full number of points
+  for (i = 0; i < originalData.length; i++) {
+    sum = 0;
+    variance = 0;
+    num_ok = 0;
+    for (j = Math.max(0, i - rollPeriod + 1); j < i + 1; j++) {
+      y = originalData[j][1];
+      if (y === null || isNaN(y))
+        continue;
+      num_ok++;
+      sum += y;
+      variance += Math.pow(originalData[j][2][2], 2);
+    }
+    if (num_ok) {
+      stddev = Math.sqrt(variance) / num_ok;
+      value = sum / num_ok;
+      rollingData[i] = [ originalData[i][0], value,
+          [value - sigma * stddev, value + sigma * stddev] ];
+    } else {
+      // This explicitly preserves NaNs to aid with "independent
+      // series".
+      // See testRollingAveragePreservesNaNs.
+      v = (rollPeriod == 1) ? originalData[i][1] : null;
+      rollingData[i] = [ originalData[i][0], v, [ v, v ] ];
+    }
+  }
+
+  return rollingData;
+};
+
+})();
+/**
+ * @license
+ * Copyright 2013 David Eberlein (david.eberlein@ch.sauter-bc.com)
+ * MIT-licensed (http://opensource.org/licenses/MIT)
+ */
+
+/**
+ * @fileoverview DataHandler implementation for the combination 
+ * of error bars and fractions options.
+ * @author David Eberlein (david.eberlein@ch.sauter-bc.com)
+ */
+
+(function() {
+
+/*global Dygraph:false */
+"use strict";
+
+/**
+ * @constructor
+ * @extends Dygraph.DataHandlers.BarsHandler
+ */
+Dygraph.DataHandlers.FractionsBarsHandler = function() {
+};
+
+var FractionsBarsHandler = Dygraph.DataHandlers.FractionsBarsHandler;
+FractionsBarsHandler.prototype = new Dygraph.DataHandlers.BarsHandler();
+
+/** @inheritDoc */
+FractionsBarsHandler.prototype.extractSeries = function(rawData, i, options) {
+  // TODO(danvk): pre-allocate series here.
+  var series = [];
+  var x, y, point, num, den, value, stddev, variance;
+  var mult = 100.0;
+  var sigma = options.get("sigma");
+  var logScale = options.get('logscale');
+  for ( var j = 0; j < rawData.length; j++) {
+    x = rawData[j][0];
+    point = rawData[j][i];
+    if (logScale && point !== null) {
+      // On the log scale, points less than zero do not exist.
+      // This will create a gap in the chart.
+      if (point[0] <= 0 || point[1] <= 0) {
+        point = null;
+      }
+    }
+    // Extract to the unified data format.
+    if (point !== null) {
+      num = point[0];
+      den = point[1];
+      if (num !== null && !isNaN(num)) {
+        value = den ? num / den : 0.0;
+        stddev = den ? sigma * Math.sqrt(value * (1 - value) / den) : 1.0;
+        variance = mult * stddev;
+        y = mult * value;
+        // preserve original values in extras for further filtering
+        series.push([ x, y, [ y - variance, y + variance, num, den ] ]);
+      } else {
+        series.push([ x, num, [ num, num, num, den ] ]);
+      }
+    } else {
+      series.push([ x, null, [ null, null, null, null ] ]);
+    }
+  }
+  return series;
+};
+
+/** @inheritDoc */
+FractionsBarsHandler.prototype.rollingAverage =
+    function(originalData, rollPeriod, options) {
+  rollPeriod = Math.min(rollPeriod, originalData.length);
+  var rollingData = [];
+  var sigma = options.get("sigma");
+  var wilsonInterval = options.get("wilsonInterval");
+
+  var low, high, i, stddev;
+  var num = 0;
+  var den = 0; // numerator/denominator
+  var mult = 100.0;
+  for (i = 0; i < originalData.length; i++) {
+    num += originalData[i][2][2];
+    den += originalData[i][2][3];
+    if (i - rollPeriod >= 0) {
+      num -= originalData[i - rollPeriod][2][2];
+      den -= originalData[i - rollPeriod][2][3];
+    }
+
+    var date = originalData[i][0];
+    var value = den ? num / den : 0.0;
+    if (wilsonInterval) {
+      // For more details on this confidence interval, see:
+      // http://en.wikipedia.org/wiki/Binomial_confidence_interval
+      if (den) {
+        var p = value < 0 ? 0 : value, n = den;
+        var pm = sigma * Math.sqrt(p * (1 - p) / n + sigma * sigma / (4 * n * n));
+        var denom = 1 + sigma * sigma / den;
+        low = (p + sigma * sigma / (2 * den) - pm) / denom;
+        high = (p + sigma * sigma / (2 * den) + pm) / denom;
+        rollingData[i] = [ date, p * mult,
+            [ low * mult, high * mult ] ];
+      } else {
+        rollingData[i] = [ date, 0, [ 0, 0 ] ];
+      }
+    } else {
+      stddev = den ? sigma * Math.sqrt(value * (1 - value) / den) : 1.0;
+      rollingData[i] = [ date, mult * value, 
+                         [ mult * (value - stddev), mult * (value + stddev) ] ];
+    }
+  }
+
+  return rollingData;
+};
+
+})();
diff --git a/debian/missing-sources/gauge.coffee b/debian/missing-sources/gauge.coffee
new file mode 100644
index 000000000..0ae4c8daf
--- /dev/null
+++ b/debian/missing-sources/gauge.coffee
@@ -0,0 +1,542 @@
+# Request Animation Frame Polyfill
+# CoffeeScript version of http://paulirish.com/2011/requestanimationframe-for-smart-animating/
+do () ->
+	vendors = ['ms', 'moz', 'webkit', 'o']
+	for vendor in vendors
+		if window.requestAnimationFrame
+			break
+		window.requestAnimationFrame = window[vendor + 'RequestAnimationFrame']
+		window.cancelAnimationFrame = window[vendor + 'CancelAnimationFrame'] or window[vendor + 'CancelRequestAnimationFrame']
+
+	browserRequestAnimationFrame = null
+	lastId = 0
+	isCancelled = {}
+
+	if not requestAnimationFrame
+		window.requestAnimationFrame = (callback, element) ->
+			currTime = new Date().getTime()
+			timeToCall = Math.max(0, 16 - (currTime - lastTime))
+			id = window.setTimeout(() ->
+				callback(currTime + timeToCall)
+			, timeToCall)
+			lastTime = currTime + timeToCall
+			return id
+		# This implementation should only be used with the setTimeout()
+		# version of window.requestAnimationFrame().
+		window.cancelAnimationFrame = (id) ->
+			clearTimeout(id)
+	else if not window.cancelAnimationFrame
+		browserRequestAnimationFrame = window.requestAnimationFrame
+		window.requestAnimationFrame = (callback, element) ->
+			myId = ++lastId
+			browserRequestAnimationFrame(() ->
+				if not isCancelled[myId]
+					callback()
+			, element)
+			return myId
+		window.cancelAnimationFrame = (id) ->
+			isCancelled[id] = true
+
+String.prototype.hashCode = () ->
+	hash = 0
+	if this.length == 0
+		return hash
+	for i in [0...this.length]
+		char = this.charCodeAt(i)
+		hash = ((hash << 5) - hash) + char
+		hash = hash & hash # Convert to 32bit integer
+	return hash
+
+secondsToString = (sec) ->
+	hr = Math.floor(sec / 3600)
+	min = Math.floor((sec - (hr * 3600))/60)
+	sec -= ((hr * 3600) + (min * 60))
+	sec += ''
+	min += ''
+	while min.length < 2
+		min = '0' + min
+	while sec.length < 2
+		sec = '0' + sec
+	hr = if hr then hr + ':' else ''
+	return hr + min + ':' + sec
+
+formatNumber = (num) ->
+		return addCommas(num.toFixed(0))
+
+updateObjectValues = (obj1, obj2) ->
+	for own key, val of obj2
+		obj1[key] = val
+	return obj1
+
+mergeObjects = (obj1, obj2) ->
+	out = {}
+	for own key, val of obj1
+		out[key] = val
+	for own key, val of obj2
+		out[key] = val
+	return out
+
+addCommas = (nStr) ->
+	nStr += ''
+	x = nStr.split('.')
+	x1 = x[0]
+	x2 = ''
+	if x.length > 1
+		x2 = '.' + x[1]
+	rgx = /(\d+)(\d{3})/
+	while rgx.test(x1)
+		x1 = x1.replace(rgx, '$1' + ',' + '$2')
+	return x1 + x2
+
+cutHex = (nStr) ->
+	if nStr.charAt(0) == "#"
+		return nStr.substring(1,7)
+	return nStr
+
+class ValueUpdater
+	animationSpeed: 32
+	constructor: (addToAnimationQueue=true, @clear=true) ->
+		if addToAnimationQueue
+			AnimationUpdater.add(@)
+
+	update: (force=false) ->
+		if force or @displayedValue != @value
+			if @ctx and @clear
+				@ctx.clearRect(0, 0, @canvas.width, @canvas.height)
+			diff = @value - @displayedValue
+			if Math.abs(diff / @animationSpeed) <= 0.001
+				@displayedValue = @value
+			else
+				@displayedValue = @displayedValue + diff / @animationSpeed
+			@render()
+			return true
+		return false
+
+class BaseGauge extends ValueUpdater
+	displayScale: 1
+
+	setTextField: (textField) ->
+		@textField = if textField instanceof TextRenderer then textField else new TextRenderer(textField)
+
+	setMinValue: (@minValue, updateStartValue=true) ->
+		if updateStartValue
+			@displayedValue = @minValue
+			for gauge in @gp or []
+				gauge.displayedValue = @minValue
+
+	setOptions: (options=null) ->
+		@options = mergeObjects(@options, options)
+		if @textField
+			@textField.el.style.fontSize = options.fontSize + 'px'
+
+		if @options.angle > .5
+			@gauge.options.angle = .5
+		@configDisplayScale()
+		return @
+
+	configDisplayScale: () ->
+		prevDisplayScale = @displayScale
+
+		if @options.highDpiSupport == false
+			delete @displayScale
+		else
+			devicePixelRatio = window.devicePixelRatio or 1
+			backingStorePixelRatio =
+				@ctx.webkitBackingStorePixelRatio or
+				@ctx.mozBackingStorePixelRatio or
+				@ctx.msBackingStorePixelRatio or
+				@ctx.oBackingStorePixelRatio or
+				@ctx.backingStorePixelRatio or 1
+			@displayScale = devicePixelRatio / backingStorePixelRatio
+
+		if @displayScale != prevDisplayScale
+			width = @canvas.G__width or @canvas.width
+			height = @canvas.G__height or @canvas.height
+			@canvas.width = width * @displayScale
+			@canvas.height = height * @displayScale
+			@canvas.style.width = "#{width}px"
+			@canvas.style.height = "#{height}px"
+			@canvas.G__width = width
+			@canvas.G__height = height
+
+		return @
+
+class TextRenderer
+	constructor: (@el) ->
+
+	# Default behaviour, override to customize rendering
+	render: (gauge) ->
+		@el.innerHTML = formatNumber(gauge.displayedValue)
+
+class AnimatedText extends ValueUpdater
+	displayedValue: 0
+	value: 0
+
+	setVal: (value) ->
+		@value = 1 * value
+
+	constructor: (@elem, @text=false) ->
+		@value = 1 * @elem.innerHTML
+		if @text
+			@value = 0
+	render: () ->
+		if @text
+			textVal = secondsToString(@displayedValue.toFixed(0))
+		else
+			textVal = addCommas(formatNumber(@displayedValue))
+		@elem.innerHTML = textVal
+
+AnimatedTextFactory =
+	create: (objList) ->
+		out = []
+		for elem in objList
+			out.push(new AnimatedText(elem))
+		return out
+
+class GaugePointer extends ValueUpdater
+	displayedValue: 0
+	value: 0
+	options:
+		strokeWidth: 0.035
+		length: 0.1
+		color: "#000000"
+
+	constructor: (@gauge) ->
+		@ctx = @gauge.ctx
+		@canvas = @gauge.canvas
+		super(false, false)
+		@setOptions()
+
+	setOptions: (options=null) ->
+		updateObjectValues(@options, options)
+		@length = @canvas.height * @options.length
+		@strokeWidth = @canvas.height * @options.strokeWidth
+		@maxValue = @gauge.maxValue
+		@minValue = @gauge.minValue
+		@displayedValue = @gauge.minValue
+		@animationSpeed =  @gauge.animationSpeed
+		@options.angle = @gauge.options.angle
+
+	render: () ->
+		angle = @gauge.getAngle.call(@, @displayedValue)
+		centerX = @canvas.width / 2
+		centerY = @canvas.height * 0.9
+
+		x = Math.round(centerX + @length * Math.cos(angle))
+		y = Math.round(centerY + @length * Math.sin(angle))
+
+		startX = Math.round(centerX + @strokeWidth * Math.cos(angle - Math.PI/2))
+		startY = Math.round(centerY + @strokeWidth * Math.sin(angle - Math.PI/2))
+
+		endX = Math.round(centerX + @strokeWidth * Math.cos(angle + Math.PI/2))
+		endY = Math.round(centerY + @strokeWidth * Math.sin(angle + Math.PI/2))
+
+		@ctx.fillStyle = @options.color
+		@ctx.beginPath()
+
+		@ctx.arc(centerX, centerY, @strokeWidth, 0, Math.PI*2, true)
+		@ctx.fill()
+
+		@ctx.beginPath()
+		@ctx.moveTo(startX, startY)
+		@ctx.lineTo(x, y)
+		@ctx.lineTo(endX, endY)
+		@ctx.fill()
+
+class Bar
+	constructor: (@elem) ->
+	updateValues: (arrValues) ->
+		@value = arrValues[0]
+		@maxValue = arrValues[1]
+		@avgValue = arrValues[2]
+		@render()
+
+	render: () ->
+		if @textField
+			@textField.text(formatNumber(@value))
+
+		if @maxValue == 0
+			@maxValue = @avgValue * 2
+
+		valPercent = (@value / @maxValue) * 100
+		avgPercent = (@avgValue / @maxValue) * 100
+
+		$(".bar-value", @elem).css({"width": valPercent + "%"})
+		$(".typical-value", @elem).css({"width": avgPercent + "%"})
+
+class Gauge extends BaseGauge
+	elem: null
+	value: [20] # we support multiple pointers
+	maxValue: 80
+	minValue: 0
+	displayedAngle: 0
+	displayedValue: 0
+	lineWidth: 40
+	paddingBottom: 0.1
+	percentColors: null,
+	options:
+		colorStart: "#6fadcf"
+		colorStop: undefined
+		gradientType: 0       	# 0 : radial, 1 : linear
+		strokeColor: "#e0e0e0"
+		pointer:
+			length: 0.8
+			strokeWidth: 0.035
+		angle: 0.15
+		lineWidth: 0.44
+		fontSize: 40
+		limitMax: false
+
+	constructor: (@canvas) ->
+		super()
+		@percentColors = null
+		if typeof G_vmlCanvasManager != 'undefined'
+			@canvas = window.G_vmlCanvasManager.initElement(@canvas)
+		@ctx = @canvas.getContext('2d')
+		@gp = [new GaugePointer(@)]
+		@setOptions()
+		@render()
+
+	setOptions: (options=null) ->
+		super(options)
+		@configPercentColors()
+		@lineWidth = @canvas.height * (1 - @paddingBottom) * @options.lineWidth # .2 - .7
+		@radius = @canvas.height * (1 - @paddingBottom) - @lineWidth
+		@ctx.clearRect(0, 0, @canvas.width, @canvas.height)
+		@render()
+		for gauge in @gp
+			gauge.setOptions(@options.pointer)
+			gauge.render()
+		return @
+
+	configPercentColors: () ->
+		@percentColors = null;
+		if (@options.percentColors != undefined)
+			@percentColors = new Array()
+			for i in [0..(@options.percentColors.length-1)]
+				rval = parseInt((cutHex(@options.percentColors[i][1])).substring(0,2),16)
+				gval = parseInt((cutHex(@options.percentColors[i][1])).substring(2,4),16)
+				bval = parseInt((cutHex(@options.percentColors[i][1])).substring(4,6),16)
+				@percentColors[i] = { pct: @options.percentColors[i][0], color: { r: rval, g: gval, b: bval  } }
+
+	set: (value) ->
+		@displayedValue = @minValue
+		if not (value instanceof Array)
+			value = [value]
+		# check if we have enough GaugePointers initialized
+		# lazy initialization
+		if value.length > @gp.length
+			for i in [0...(value.length - @gp.length)]
+				@gp.push(new GaugePointer(@))
+
+		# get max value and update pointer(s)
+		i = 0
+		max_hit = false
+
+		for val in value
+			if val > @maxValue
+					@maxValue = @value * 1.1
+					max_hit = true
+			@gp[i].value = val
+			@gp[i++].setOptions({maxValue: @maxValue, angle: @options.angle})
+		@value = value[value.length - 1] # TODO: Span maybe??
+
+		if max_hit
+			unless @options.limitMax
+				AnimationUpdater.run()
+		else
+			AnimationUpdater.run()
+
+	getAngle: (value) ->
+		return (1 + @options.angle) * Math.PI + ((value - @minValue) / (@maxValue - @minValue)) * (1 - @options.angle * 2) * Math.PI
+
+	getColorForPercentage: (pct, grad) ->
+		if pct == 0
+			color = @percentColors[0].color;
+		else
+			color = @percentColors[@percentColors.length - 1].color;
+			for i in [0..(@percentColors.length - 1)]
+				if (pct <= @percentColors[i].pct)
+					if grad == true
+						# Gradually change between colors
+						startColor = @percentColors[i - 1]
+						endColor = @percentColors[i]
+						rangePct = (pct - startColor.pct) / (endColor.pct - startColor.pct)  # How far between both colors
+						color = {
+							r: Math.floor(startColor.color.r * (1 - rangePct) + endColor.color.r * rangePct),
+							g: Math.floor(startColor.color.g * (1 - rangePct) + endColor.color.g * rangePct),
+							b: Math.floor(startColor.color.b * (1 - rangePct) + endColor.color.b * rangePct)
+						}
+					else
+						color = @percentColors[i].color
+					break
+		return 'rgb(' + [color.r, color.g, color.b].join(',') + ')'
+
+	getColorForValue: (val, grad) ->
+		pct = (val - @minValue) / (@maxValue - @minValue)
+		return @getColorForPercentage(pct, grad);
+
+	render: () ->
+		# Draw using canvas
+		w = @canvas.width / 2
+		h = @canvas.height * (1 - @paddingBottom)
+		displayedAngle = @getAngle(@displayedValue)
+		if @textField
+			@textField.render(@)
+
+		@ctx.lineCap = "butt"
+		if @options.customFillStyle != undefined
+			fillStyle = @options.customFillStyle(@)
+		else if @percentColors != null
+			fillStyle = @getColorForValue(@displayedValue, true)
+		else if @options.colorStop != undefined
+			if @options.gradientType == 0
+				fillStyle = this.ctx.createRadialGradient(w, h, 9, w, h, 70);
+			else
+				fillStyle = this.ctx.createLinearGradient(0, 0, w, 0);
+			fillStyle.addColorStop(0, @options.colorStart)
+			fillStyle.addColorStop(1, @options.colorStop)
+		else
+			fillStyle = @options.colorStart
+		@ctx.strokeStyle = fillStyle
+
+		@ctx.beginPath()
+		@ctx.arc(w, h, @radius, (1 + @options.angle) * Math.PI, displayedAngle, false)
+		@ctx.lineWidth = @lineWidth
+		@ctx.stroke()
+
+		@ctx.strokeStyle = @options.strokeColor
+		@ctx.beginPath()
+		@ctx.arc(w, h, @radius, displayedAngle, (2 - @options.angle) * Math.PI, false)
+		@ctx.stroke()
+		for gauge in @gp
+			gauge.update(true)
+
+
+class BaseDonut extends BaseGauge
+	lineWidth: 15
+	displayedValue: 0
+	value: 33
+	maxValue: 80
+	minValue: 0
+
+	options:
+		lineWidth: 0.10
+		colorStart: "#6f6ea0"
+		colorStop: "#c0c0db"
+		strokeColor: "#eeeeee"
+		shadowColor: "#d5d5d5"
+		angle: 0.35
+
+	constructor: (@canvas) ->
+		super()
+		if typeof G_vmlCanvasManager != 'undefined'
+			@canvas = window.G_vmlCanvasManager.initElement(@canvas)
+		@ctx = @canvas.getContext('2d')
+		@setOptions()
+		@render()
+
+	getAngle: (value) ->
+		return (1 - @options.angle) * Math.PI + ((value - @minValue) / (@maxValue - @minValue)) * ((2 + @options.angle) - (1 - @options.angle)) * Math.PI
+
+	setOptions: (options=null) ->
+		super(options)
+		@lineWidth = @canvas.height * @options.lineWidth
+		@radius = @canvas.height / 2 - @lineWidth/2
+		return @
+
+	set: (value) ->
+		@value = value
+		if @value > @maxValue
+			@maxValue = @value * 1.1
+		AnimationUpdater.run()
+
+	render: () ->
+		displayedAngle = @getAngle(@displayedValue)
+		w = @canvas.width / 2
+		h = @canvas.height / 2
+
+		if @textField
+			@textField.render(@)
+
+		grdFill = @ctx.createRadialGradient(w, h, 39, w, h, 70)
+		grdFill.addColorStop(0, @options.colorStart)
+		grdFill.addColorStop(1, @options.colorStop)
+
+		start = @radius - @lineWidth / 2
+		stop = @radius + @lineWidth / 2
+
+		@ctx.strokeStyle = @options.strokeColor
+		@ctx.beginPath()
+		@ctx.arc(w, h, @radius, (1 - @options.angle) * Math.PI, (2 + @options.angle) * Math.PI, false)
+		@ctx.lineWidth = @lineWidth
+		@ctx.lineCap = "round"
+		@ctx.stroke()
+
+		@ctx.strokeStyle = grdFill
+		@ctx.beginPath()
+		@ctx.arc(w, h, @radius, (1 - @options.angle) * Math.PI, displayedAngle, false)
+		@ctx.stroke()
+
+
+class Donut extends BaseDonut
+	strokeGradient: (w, h, start, stop) ->
+		grd = @ctx.createRadialGradient(w, h, start, w, h, stop)
+		grd.addColorStop(0, @options.shadowColor)
+		grd.addColorStop(0.12, @options._orgStrokeColor)
+		grd.addColorStop(0.88, @options._orgStrokeColor)
+		grd.addColorStop(1, @options.shadowColor)
+		return grd
+
+	setOptions: (options=null) ->
+		super(options)
+		w = @canvas.width / 2
+		h = @canvas.height / 2
+		start = @radius - @lineWidth / 2
+		stop = @radius + @lineWidth / 2
+		@options._orgStrokeColor = @options.strokeColor
+		@options.strokeColor = @strokeGradient(w, h, start, stop)
+		return @
+
+window.AnimationUpdater =
+	elements: []
+	animId: null
+
+	addAll: (list) ->
+		for elem in list
+			AnimationUpdater.elements.push(elem)
+
+	add: (object) ->
+		AnimationUpdater.elements.push(object)
+
+	run: () ->
+		animationFinished = true
+		for elem in AnimationUpdater.elements
+			if elem.update()
+				animationFinished = false
+		if not animationFinished
+			AnimationUpdater.animId = requestAnimationFrame(AnimationUpdater.run)
+		else
+			cancelAnimationFrame(AnimationUpdater.animId)
+
+if typeof window.define == 'function' && window.define.amd?
+	define(() ->
+		{
+			Gauge: Gauge,
+			Donut: Donut,
+			BaseDonut: BaseDonut,
+			TextRenderer: TextRenderer
+		}
+	)
+else if typeof module != 'undefined' && module.exports?
+	module.exports = {
+		Gauge: Gauge,
+		Donut: Donut,
+		BaseDonut: BaseDonut,
+		TextRenderer: TextRenderer
+	}
+else
+	window.Gauge = Gauge
+	window.Donut = Donut
+	window.BaseDonut = BaseDonut
+	window.TextRenderer = TextRenderer
diff --git a/debian/missing-sources/jquery.easypiechart.js b/debian/missing-sources/jquery.easypiechart.js
new file mode 100644
index 000000000..5ac3dc1b3
--- /dev/null
+++ b/debian/missing-sources/jquery.easypiechart.js
@@ -0,0 +1,364 @@
+/**!
+ * easy-pie-chart
+ * Lightweight plugin to render simple, animated and retina optimized pie charts
+ *
+ * @license 
+ * @author Robert Fleischmann <rendro87@gmail.com> (http://robert-fleischmann.de)
+ * @version 2.1.7
+ **/
+
+(function (root, factory) {
+  if (typeof define === 'function' && define.amd) {
+    // AMD. Register as an anonymous module unless amdModuleId is set
+    define(["jquery"], function (a0) {
+      return (factory(a0));
+    });
+  } else if (typeof exports === 'object') {
+    // Node. Does not work with strict CommonJS, but
+    // only CommonJS-like environments that support module.exports,
+    // like Node.
+    module.exports = factory(require("jquery"));
+  } else {
+    factory(jQuery);
+  }
+}(this, function ($) {
+
+/**
+ * Renderer to render the chart on a canvas object
+ * @param {DOMElement} el      DOM element to host the canvas (root of the plugin)
+ * @param {object}     options options object of the plugin
+ */
+var CanvasRenderer = function(el, options) {
+	var cachedBackground;
+	var canvas = document.createElement('canvas');
+
+	el.appendChild(canvas);
+
+	if (typeof(G_vmlCanvasManager) === 'object') {
+		G_vmlCanvasManager.initElement(canvas);
+	}
+
+	var ctx = canvas.getContext('2d');
+
+	canvas.width = canvas.height = options.size;
+
+	// canvas on retina devices
+	var scaleBy = 1;
+	if (window.devicePixelRatio > 1) {
+		scaleBy = window.devicePixelRatio;
+		canvas.style.width = canvas.style.height = [options.size, 'px'].join('');
+		canvas.width = canvas.height = options.size * scaleBy;
+		ctx.scale(scaleBy, scaleBy);
+	}
+
+	// move 0,0 coordinates to the center
+	ctx.translate(options.size / 2, options.size / 2);
+
+	// rotate canvas -90deg
+	ctx.rotate((-1 / 2 + options.rotate / 180) * Math.PI);
+
+	var radius = (options.size - options.lineWidth) / 2;
+	if (options.scaleColor && options.scaleLength) {
+		radius -= options.scaleLength + 2; // 2 is the distance between scale and bar
+	}
+
+	// IE polyfill for Date
+	Date.now = Date.now || function() {
+		return +(new Date());
+	};
+
+	/**
+	 * Draw a circle around the center of the canvas
+	 * @param {strong} color     Valid CSS color string
+	 * @param {number} lineWidth Width of the line in px
+	 * @param {number} percent   Percentage to draw (float between -1 and 1)
+	 */
+	var drawCircle = function(color, lineWidth, percent) {
+		percent = Math.min(Math.max(-1, percent || 0), 1);
+		var isNegative = percent <= 0 ? true : false;
+
+		ctx.beginPath();
+		ctx.arc(0, 0, radius, 0, Math.PI * 2 * percent, isNegative);
+
+		ctx.strokeStyle = color;
+		ctx.lineWidth = lineWidth;
+
+		ctx.stroke();
+	};
+
+	/**
+	 * Draw the scale of the chart
+	 */
+	var drawScale = function() {
+		var offset;
+		var length;
+
+		ctx.lineWidth = 1;
+		ctx.fillStyle = options.scaleColor;
+
+		ctx.save();
+		for (var i = 24; i > 0; --i) {
+			if (i % 6 === 0) {
+				length = options.scaleLength;
+				offset = 0;
+			} else {
+				length = options.scaleLength * 0.6;
+				offset = options.scaleLength - length;
+			}
+			ctx.fillRect(-options.size/2 + offset, 0, length, 1);
+			ctx.rotate(Math.PI / 12);
+		}
+		ctx.restore();
+	};
+
+	/**
+	 * Request animation frame wrapper with polyfill
+	 * @return {function} Request animation frame method or timeout fallback
+	 */
+	var reqAnimationFrame = (function() {
+		return  window.requestAnimationFrame ||
+				window.webkitRequestAnimationFrame ||
+				window.mozRequestAnimationFrame ||
+				function(callback) {
+					window.setTimeout(callback, 1000 / 60);
+				};
+	}());
+
+	/**
+	 * Draw the background of the plugin including the scale and the track
+	 */
+	var drawBackground = function() {
+		if(options.scaleColor) drawScale();
+		if(options.trackColor) drawCircle(options.trackColor, options.trackWidth || options.lineWidth, 1);
+	};
+
+  /**
+    * Canvas accessor
+   */
+  this.getCanvas = function() {
+    return canvas;
+  };
+
+  /**
+    * Canvas 2D context 'ctx' accessor
+   */
+  this.getCtx = function() {
+    return ctx;
+  };
+
+	/**
+	 * Clear the complete canvas
+	 */
+	this.clear = function() {
+		ctx.clearRect(options.size / -2, options.size / -2, options.size, options.size);
+	};
+
+	/**
+	 * Draw the complete chart
+	 * @param {number} percent Percent shown by the chart between -100 and 100
+	 */
+	this.draw = function(percent) {
+		// do we need to render a background
+		if (!!options.scaleColor || !!options.trackColor) {
+			// getImageData and putImageData are supported
+			if (ctx.getImageData && ctx.putImageData) {
+				if (!cachedBackground) {
+					drawBackground();
+					cachedBackground = ctx.getImageData(0, 0, options.size * scaleBy, options.size * scaleBy);
+				} else {
+					ctx.putImageData(cachedBackground, 0, 0);
+				}
+			} else {
+				this.clear();
+				drawBackground();
+			}
+		} else {
+			this.clear();
+		}
+
+		ctx.lineCap = options.lineCap;
+
+		// if barcolor is a function execute it and pass the percent as a value
+		var color;
+		if (typeof(options.barColor) === 'function') {
+			color = options.barColor(percent);
+		} else {
+			color = options.barColor;
+		}
+
+		// draw bar
+		drawCircle(color, options.lineWidth, percent / 100);
+	}.bind(this);
+
+	/**
+	 * Animate from some percent to some other percentage
+	 * @param {number} from Starting percentage
+	 * @param {number} to   Final percentage
+	 */
+	this.animate = function(from, to) {
+		var startTime = Date.now();
+		options.onStart(from, to);
+		var animation = function() {
+			var process = Math.min(Date.now() - startTime, options.animate.duration);
+			var currentValue = options.easing(this, process, from, to - from, options.animate.duration);
+			this.draw(currentValue);
+			options.onStep(from, to, currentValue);
+			if (process >= options.animate.duration) {
+				options.onStop(from, to);
+			} else {
+				reqAnimationFrame(animation);
+			}
+		}.bind(this);
+
+		reqAnimationFrame(animation);
+	}.bind(this);
+};
+
+var EasyPieChart = function(el, opts) {
+	var defaultOptions = {
+		barColor: '#ef1e25',
+		trackColor: '#f9f9f9',
+		scaleColor: '#dfe0e0',
+		scaleLength: 5,
+		lineCap: 'round',
+		lineWidth: 3,
+		trackWidth: undefined,
+		size: 110,
+		rotate: 0,
+		animate: {
+			duration: 1000,
+			enabled: true
+		},
+		easing: function (x, t, b, c, d) { // more can be found here: http://gsgd.co.uk/sandbox/jquery/easing/
+			t = t / (d/2);
+			if (t < 1) {
+				return c / 2 * t * t + b;
+			}
+			return -c/2 * ((--t)*(t-2) - 1) + b;
+		},
+		onStart: function(from, to) {
+			return;
+		},
+		onStep: function(from, to, currentValue) {
+			return;
+		},
+		onStop: function(from, to) {
+			return;
+		}
+	};
+
+	// detect present renderer
+	if (typeof(CanvasRenderer) !== 'undefined') {
+		defaultOptions.renderer = CanvasRenderer;
+	} else if (typeof(SVGRenderer) !== 'undefined') {
+		defaultOptions.renderer = SVGRenderer;
+	} else {
+		throw new Error('Please load either the SVG- or the CanvasRenderer');
+	}
+
+	var options = {};
+	var currentValue = 0;
+
+	/**
+	 * Initialize the plugin by creating the options object and initialize rendering
+	 */
+	var init = function() {
+		this.el = el;
+		this.options = options;
+
+		// merge user options into default options
+		for (var i in defaultOptions) {
+			if (defaultOptions.hasOwnProperty(i)) {
+				options[i] = opts && typeof(opts[i]) !== 'undefined' ? opts[i] : defaultOptions[i];
+				if (typeof(options[i]) === 'function') {
+					options[i] = options[i].bind(this);
+				}
+			}
+		}
+
+		// check for jQuery easing
+		if (typeof(options.easing) === 'string' && typeof(jQuery) !== 'undefined' && jQuery.isFunction(jQuery.easing[options.easing])) {
+			options.easing = jQuery.easing[options.easing];
+		} else {
+			options.easing = defaultOptions.easing;
+		}
+
+		// process earlier animate option to avoid bc breaks
+		if (typeof(options.animate) === 'number') {
+			options.animate = {
+				duration: options.animate,
+				enabled: true
+			};
+		}
+
+		if (typeof(options.animate) === 'boolean' && !options.animate) {
+			options.animate = {
+				duration: 1000,
+				enabled: options.animate
+			};
+		}
+
+		// create renderer
+		this.renderer = new options.renderer(el, options);
+
+		// initial draw
+		this.renderer.draw(currentValue);
+
+		// initial update
+		if (el.dataset && el.dataset.percent) {
+			this.update(parseFloat(el.dataset.percent));
+		} else if (el.getAttribute && el.getAttribute('data-percent')) {
+			this.update(parseFloat(el.getAttribute('data-percent')));
+		}
+	}.bind(this);
+
+	/**
+	 * Update the value of the chart
+	 * @param  {number} newValue Number between 0 and 100
+	 * @return {object}          Instance of the plugin for method chaining
+	 */
+	this.update = function(newValue) {
+		newValue = parseFloat(newValue);
+		if (options.animate.enabled) {
+			this.renderer.animate(currentValue, newValue);
+		} else {
+			this.renderer.draw(newValue);
+		}
+		currentValue = newValue;
+		return this;
+	}.bind(this);
+
+	/**
+	 * Disable animation
+	 * @return {object} Instance of the plugin for method chaining
+	 */
+	this.disableAnimation = function() {
+		options.animate.enabled = false;
+		return this;
+	};
+
+	/**
+	 * Enable animation
+	 * @return {object} Instance of the plugin for method chaining
+	 */
+	this.enableAnimation = function() {
+		options.animate.enabled = true;
+		return this;
+	};
+
+	init();
+};
+
+$.fn.easyPieChart = function(options) {
+	return this.each(function() {
+		var instanceOptions;
+
+		if (!$.data(this, 'easyPieChart')) {
+			instanceOptions = $.extend({}, options, $(this).data());
+			$.data(this, 'easyPieChart', new EasyPieChart(this, instanceOptions));
+		}
+	});
+};
+
+
+}));
diff --git a/debian/missing-sources/jquery.nanoscroller.js b/debian/missing-sources/jquery.nanoscroller.js
new file mode 100644
index 000000000..edcbfaa44
--- /dev/null
+++ b/debian/missing-sources/jquery.nanoscroller.js
@@ -0,0 +1,1000 @@
+/*! nanoScrollerJS - v0.8.7 - 2015
+* http://jamesflorentino.github.com/nanoScrollerJS/
+* Copyright (c) 2015 James Florentino; Licensed MIT */
+(function(factory) {
+  if (typeof define === 'function' && define.amd) {
+    return define(['jquery'], function($) {
+      return factory($, window, document);
+    });
+  } else if (typeof exports === 'object') {
+    return module.exports = factory(require('jquery'), window, document);
+  } else {
+    return factory(jQuery, window, document);
+  }
+})(function($, window, document) {
+  "use strict";
+  var BROWSER_IS_IE7, BROWSER_SCROLLBAR_WIDTH, DOMSCROLL, DOWN, DRAG, ENTER, KEYDOWN, KEYUP, MOUSEDOWN, MOUSEENTER, MOUSEMOVE, MOUSEUP, MOUSEWHEEL, NanoScroll, PANEDOWN, RESIZE, SCROLL, SCROLLBAR, TOUCHMOVE, UP, WHEEL, cAF, defaults, getBrowserScrollbarWidth, hasTransform, isFFWithBuggyScrollbar, rAF, transform, _elementStyle, _prefixStyle, _vendor;
+  defaults = {
+
+    /**
+      a classname for the pane element.
+      @property paneClass
+      @type String
+      @default 'nano-pane'
+     */
+    paneClass: 'nano-pane',
+
+    /**
+      a classname for the slider element.
+      @property sliderClass
+      @type String
+      @default 'nano-slider'
+     */
+    sliderClass: 'nano-slider',
+
+    /**
+      a classname for the content element.
+      @property contentClass
+      @type String
+      @default 'nano-content'
+     */
+    contentClass: 'nano-content',
+
+    /**
+      a classname for enabled mode
+      @property enabledClass
+      @type String
+      @default 'has-scrollbar'
+     */
+    enabledClass: 'has-scrollbar',
+
+    /**
+      a classname for flashed mode
+      @property flashedClass
+      @type String
+      @default 'flashed'
+     */
+    flashedClass: 'flashed',
+
+    /**
+      a classname for active mode
+      @property activeClass
+      @type String
+      @default 'active'
+     */
+    activeClass: 'active',
+
+    /**
+      a setting to enable native scrolling in iOS devices.
+      @property iOSNativeScrolling
+      @type Boolean
+      @default false
+     */
+    iOSNativeScrolling: false,
+
+    /**
+      a setting to prevent the rest of the page being
+      scrolled when user scrolls the `.content` element.
+      @property preventPageScrolling
+      @type Boolean
+      @default false
+     */
+    preventPageScrolling: false,
+
+    /**
+      a setting to disable binding to the resize event.
+      @property disableResize
+      @type Boolean
+      @default false
+     */
+    disableResize: false,
+
+    /**
+      a setting to make the scrollbar always visible.
+      @property alwaysVisible
+      @type Boolean
+      @default false
+     */
+    alwaysVisible: false,
+
+    /**
+      a default timeout for the `flash()` method.
+      @property flashDelay
+      @type Number
+      @default 1500
+     */
+    flashDelay: 1500,
+
+    /**
+      a minimum height for the `.slider` element.
+      @property sliderMinHeight
+      @type Number
+      @default 20
+     */
+    sliderMinHeight: 20,
+
+    /**
+      a maximum height for the `.slider` element.
+      @property sliderMaxHeight
+      @type Number
+      @default null
+     */
+    sliderMaxHeight: null,
+
+    /**
+      an alternate document context.
+      @property documentContext
+      @type Document
+      @default null
+     */
+    documentContext: null,
+
+    /**
+      an alternate window context.
+      @property windowContext
+      @type Window
+      @default null
+     */
+    windowContext: null
+  };
+
+  /**
+    @property SCROLLBAR
+    @type String
+    @static
+    @final
+    @private
+   */
+  SCROLLBAR = 'scrollbar';
+
+  /**
+    @property SCROLL
+    @type String
+    @static
+    @final
+    @private
+   */
+  SCROLL = 'scroll';
+
+  /**
+    @property MOUSEDOWN
+    @type String
+    @final
+    @private
+   */
+  MOUSEDOWN = 'mousedown';
+
+  /**
+    @property MOUSEENTER
+    @type String
+    @final
+    @private
+   */
+  MOUSEENTER = 'mouseenter';
+
+  /**
+    @property MOUSEMOVE
+    @type String
+    @static
+    @final
+    @private
+   */
+  MOUSEMOVE = 'mousemove';
+
+  /**
+    @property MOUSEWHEEL
+    @type String
+    @final
+    @private
+   */
+  MOUSEWHEEL = 'mousewheel';
+
+  /**
+    @property MOUSEUP
+    @type String
+    @static
+    @final
+    @private
+   */
+  MOUSEUP = 'mouseup';
+
+  /**
+    @property RESIZE
+    @type String
+    @final
+    @private
+   */
+  RESIZE = 'resize';
+
+  /**
+    @property DRAG
+    @type String
+    @static
+    @final
+    @private
+   */
+  DRAG = 'drag';
+
+  /**
+    @property ENTER
+    @type String
+    @static
+    @final
+    @private
+   */
+  ENTER = 'enter';
+
+  /**
+    @property UP
+    @type String
+    @static
+    @final
+    @private
+   */
+  UP = 'up';
+
+  /**
+    @property PANEDOWN
+    @type String
+    @static
+    @final
+    @private
+   */
+  PANEDOWN = 'panedown';
+
+  /**
+    @property DOMSCROLL
+    @type String
+    @static
+    @final
+    @private
+   */
+  DOMSCROLL = 'DOMMouseScroll';
+
+  /**
+    @property DOWN
+    @type String
+    @static
+    @final
+    @private
+   */
+  DOWN = 'down';
+
+  /**
+    @property WHEEL
+    @type String
+    @static
+    @final
+    @private
+   */
+  WHEEL = 'wheel';
+
+  /**
+    @property KEYDOWN
+    @type String
+    @static
+    @final
+    @private
+   */
+  KEYDOWN = 'keydown';
+
+  /**
+    @property KEYUP
+    @type String
+    @static
+    @final
+    @private
+   */
+  KEYUP = 'keyup';
+
+  /**
+    @property TOUCHMOVE
+    @type String
+    @static
+    @final
+    @private
+   */
+  TOUCHMOVE = 'touchmove';
+
+  /**
+    @property BROWSER_IS_IE7
+    @type Boolean
+    @static
+    @final
+    @private
+   */
+  BROWSER_IS_IE7 = window.navigator.appName === 'Microsoft Internet Explorer' && /msie 7./i.test(window.navigator.appVersion) && window.ActiveXObject;
+
+  /**
+    @property BROWSER_SCROLLBAR_WIDTH
+    @type Number
+    @static
+    @default null
+    @private
+   */
+  BROWSER_SCROLLBAR_WIDTH = null;
+  rAF = window.requestAnimationFrame;
+  cAF = window.cancelAnimationFrame;
+  _elementStyle = document.createElement('div').style;
+  _vendor = (function() {
+    var i, transform, vendor, vendors, _i, _len;
+    vendors = ['t', 'webkitT', 'MozT', 'msT', 'OT'];
+    for (i = _i = 0, _len = vendors.length; _i < _len; i = ++_i) {
+      vendor = vendors[i];
+      transform = vendors[i] + 'ransform';
+      if (transform in _elementStyle) {
+        return vendors[i].substr(0, vendors[i].length - 1);
+      }
+    }
+    return false;
+  })();
+  _prefixStyle = function(style) {
+    if (_vendor === false) {
+      return false;
+    }
+    if (_vendor === '') {
+      return style;
+    }
+    return _vendor + style.charAt(0).toUpperCase() + style.substr(1);
+  };
+  transform = _prefixStyle('transform');
+  hasTransform = transform !== false;
+
+  /**
+    Returns browser's native scrollbar width
+    @method getBrowserScrollbarWidth
+    @return {Number} the scrollbar width in pixels
+    @static
+    @private
+   */
+  getBrowserScrollbarWidth = function() {
+    var outer, outerStyle, scrollbarWidth;
+    outer = document.createElement('div');
+    outerStyle = outer.style;
+    outerStyle.position = 'absolute';
+    outerStyle.width = '100px';
+    outerStyle.height = '100px';
+    outerStyle.overflow = SCROLL;
+    outerStyle.top = '-9999px';
+    document.body.appendChild(outer);
+    scrollbarWidth = outer.offsetWidth - outer.clientWidth;
+    document.body.removeChild(outer);
+    return scrollbarWidth;
+  };
+  isFFWithBuggyScrollbar = function() {
+    var isOSXFF, ua, version;
+    ua = window.navigator.userAgent;
+    isOSXFF = /(?=.+Mac OS X)(?=.+Firefox)/.test(ua);
+    if (!isOSXFF) {
+      return false;
+    }
+    version = /Firefox\/\d{2}\./.exec(ua);
+    if (version) {
+      version = version[0].replace(/\D+/g, '');
+    }
+    return isOSXFF && +version > 23;
+  };
+
+  /**
+    @class NanoScroll
+    @param element {HTMLElement|Node} the main element
+    @param options {Object} nanoScroller's options
+    @constructor
+   */
+  NanoScroll = (function() {
+    function NanoScroll(el, options) {
+      this.el = el;
+      this.options = options;
+      BROWSER_SCROLLBAR_WIDTH || (BROWSER_SCROLLBAR_WIDTH = getBrowserScrollbarWidth());
+      this.$el = $(this.el);
+      this.doc = $(this.options.documentContext || document);
+      this.win = $(this.options.windowContext || window);
+      this.body = this.doc.find('body');
+      this.$content = this.$el.children("." + this.options.contentClass);
+      this.$content.attr('tabindex', this.options.tabIndex || 0);
+      this.content = this.$content[0];
+      this.previousPosition = 0;
+      if (this.options.iOSNativeScrolling && (this.el.style.WebkitOverflowScrolling != null)) {
+        this.nativeScrolling();
+      } else {
+        this.generate();
+      }
+      this.createEvents();
+      this.addEvents();
+      this.reset();
+    }
+
+
+    /**
+      Prevents the rest of the page being scrolled
+      when user scrolls the `.nano-content` element.
+      @method preventScrolling
+      @param event {Event}
+      @param direction {String} Scroll direction (up or down)
+      @private
+     */
+
+    NanoScroll.prototype.preventScrolling = function(e, direction) {
+      if (!this.isActive) {
+        return;
+      }
+      if (e.type === DOMSCROLL) {
+        if (direction === DOWN && e.originalEvent.detail > 0 || direction === UP && e.originalEvent.detail < 0) {
+          e.preventDefault();
+        }
+      } else if (e.type === MOUSEWHEEL) {
+        if (!e.originalEvent || !e.originalEvent.wheelDelta) {
+          return;
+        }
+        if (direction === DOWN && e.originalEvent.wheelDelta < 0 || direction === UP && e.originalEvent.wheelDelta > 0) {
+          e.preventDefault();
+        }
+      }
+    };
+
+
+    /**
+      Enable iOS native scrolling
+      @method nativeScrolling
+      @private
+     */
+
+    NanoScroll.prototype.nativeScrolling = function() {
+      this.$content.css({
+        WebkitOverflowScrolling: 'touch'
+      });
+      this.iOSNativeScrolling = true;
+      this.isActive = true;
+    };
+
+
+    /**
+      Updates those nanoScroller properties that
+      are related to current scrollbar position.
+      @method updateScrollValues
+      @private
+     */
+
+    NanoScroll.prototype.updateScrollValues = function() {
+      var content, direction;
+      content = this.content;
+      this.maxScrollTop = content.scrollHeight - content.clientHeight;
+      this.prevScrollTop = this.contentScrollTop || 0;
+      this.contentScrollTop = content.scrollTop;
+      direction = this.contentScrollTop > this.previousPosition ? "down" : this.contentScrollTop < this.previousPosition ? "up" : "same";
+      this.previousPosition = this.contentScrollTop;
+      if (direction !== "same") {
+        this.$el.trigger('update', {
+          position: this.contentScrollTop,
+          maximum: this.maxScrollTop,
+          direction: direction
+        });
+      }
+      if (!this.iOSNativeScrolling) {
+        this.maxSliderTop = this.paneHeight - this.sliderHeight;
+        this.sliderTop = this.maxScrollTop === 0 ? 0 : this.contentScrollTop * this.maxSliderTop / this.maxScrollTop;
+      }
+    };
+
+
+    /**
+      Updates CSS styles for current scroll position.
+      Uses CSS 2d transfroms and `window.requestAnimationFrame` if available.
+      @method setOnScrollStyles
+      @private
+     */
+
+    NanoScroll.prototype.setOnScrollStyles = function() {
+      var cssValue;
+      if (hasTransform) {
+        cssValue = {};
+        cssValue[transform] = "translate(0, " + this.sliderTop + "px)";
+      } else {
+        cssValue = {
+          top: this.sliderTop
+        };
+      }
+      if (rAF) {
+        if (cAF && this.scrollRAF) {
+          cAF(this.scrollRAF);
+        }
+        this.scrollRAF = rAF((function(_this) {
+          return function() {
+            _this.scrollRAF = null;
+            return _this.slider.css(cssValue);
+          };
+        })(this));
+      } else {
+        this.slider.css(cssValue);
+      }
+    };
+
+
+    /**
+      Creates event related methods
+      @method createEvents
+      @private
+     */
+
+    NanoScroll.prototype.createEvents = function() {
+      this.events = {
+        down: (function(_this) {
+          return function(e) {
+            _this.isBeingDragged = true;
+            _this.offsetY = e.pageY - _this.slider.offset().top;
+            if (!_this.slider.is(e.target)) {
+              _this.offsetY = 0;
+            }
+            _this.pane.addClass(_this.options.activeClass);
+            _this.doc.bind(MOUSEMOVE, _this.events[DRAG]).bind(MOUSEUP, _this.events[UP]);
+            _this.body.bind(MOUSEENTER, _this.events[ENTER]);
+            return false;
+          };
+        })(this),
+        drag: (function(_this) {
+          return function(e) {
+            _this.sliderY = e.pageY - _this.$el.offset().top - _this.paneTop - (_this.offsetY || _this.sliderHeight * 0.5);
+            _this.scroll();
+            if (_this.contentScrollTop >= _this.maxScrollTop && _this.prevScrollTop !== _this.maxScrollTop) {
+              _this.$el.trigger('scrollend');
+            } else if (_this.contentScrollTop === 0 && _this.prevScrollTop !== 0) {
+              _this.$el.trigger('scrolltop');
+            }
+            return false;
+          };
+        })(this),
+        up: (function(_this) {
+          return function(e) {
+            _this.isBeingDragged = false;
+            _this.pane.removeClass(_this.options.activeClass);
+            _this.doc.unbind(MOUSEMOVE, _this.events[DRAG]).unbind(MOUSEUP, _this.events[UP]);
+            _this.body.unbind(MOUSEENTER, _this.events[ENTER]);
+            return false;
+          };
+        })(this),
+        resize: (function(_this) {
+          return function(e) {
+            _this.reset();
+          };
+        })(this),
+        panedown: (function(_this) {
+          return function(e) {
+            _this.sliderY = (e.offsetY || e.originalEvent.layerY) - (_this.sliderHeight * 0.5);
+            _this.scroll();
+            _this.events.down(e);
+            return false;
+          };
+        })(this),
+        scroll: (function(_this) {
+          return function(e) {
+            _this.updateScrollValues();
+            if (_this.isBeingDragged) {
+              return;
+            }
+            if (!_this.iOSNativeScrolling) {
+              _this.sliderY = _this.sliderTop;
+              _this.setOnScrollStyles();
+            }
+            if (e == null) {
+              return;
+            }
+            if (_this.contentScrollTop >= _this.maxScrollTop) {
+              if (_this.options.preventPageScrolling) {
+                _this.preventScrolling(e, DOWN);
+              }
+              if (_this.prevScrollTop !== _this.maxScrollTop) {
+                _this.$el.trigger('scrollend');
+              }
+            } else if (_this.contentScrollTop === 0) {
+              if (_this.options.preventPageScrolling) {
+                _this.preventScrolling(e, UP);
+              }
+              if (_this.prevScrollTop !== 0) {
+                _this.$el.trigger('scrolltop');
+              }
+            }
+          };
+        })(this),
+        wheel: (function(_this) {
+          return function(e) {
+            var delta;
+            if (e == null) {
+              return;
+            }
+            delta = e.delta || e.wheelDelta || (e.originalEvent && e.originalEvent.wheelDelta) || -e.detail || (e.originalEvent && -e.originalEvent.detail);
+            if (delta) {
+              _this.sliderY += -delta / 3;
+            }
+            _this.scroll();
+            return false;
+          };
+        })(this),
+        enter: (function(_this) {
+          return function(e) {
+            var _ref;
+            if (!_this.isBeingDragged) {
+              return;
+            }
+            if ((e.buttons || e.which) !== 1) {
+              return (_ref = _this.events)[UP].apply(_ref, arguments);
+            }
+          };
+        })(this)
+      };
+    };
+
+
+    /**
+      Adds event listeners with jQuery.
+      @method addEvents
+      @private
+     */
+
+    NanoScroll.prototype.addEvents = function() {
+      var events;
+      this.removeEvents();
+      events = this.events;
+      if (!this.options.disableResize) {
+        this.win.bind(RESIZE, events[RESIZE]);
+      }
+      if (!this.iOSNativeScrolling) {
+        this.slider.bind(MOUSEDOWN, events[DOWN]);
+        this.pane.bind(MOUSEDOWN, events[PANEDOWN]).bind("" + MOUSEWHEEL + " " + DOMSCROLL, events[WHEEL]);
+      }
+      this.$content.bind("" + SCROLL + " " + MOUSEWHEEL + " " + DOMSCROLL + " " + TOUCHMOVE, events[SCROLL]);
+    };
+
+
+    /**
+      Removes event listeners with jQuery.
+      @method removeEvents
+      @private
+     */
+
+    NanoScroll.prototype.removeEvents = function() {
+      var events;
+      events = this.events;
+      this.win.unbind(RESIZE, events[RESIZE]);
+      if (!this.iOSNativeScrolling) {
+        this.slider.unbind();
+        this.pane.unbind();
+      }
+      this.$content.unbind("" + SCROLL + " " + MOUSEWHEEL + " " + DOMSCROLL + " " + TOUCHMOVE, events[SCROLL]);
+    };
+
+
+    /**
+      Generates nanoScroller's scrollbar and elements for it.
+      @method generate
+      @chainable
+      @private
+     */
+
+    NanoScroll.prototype.generate = function() {
+      var contentClass, cssRule, currentPadding, options, pane, paneClass, sliderClass;
+      options = this.options;
+      paneClass = options.paneClass, sliderClass = options.sliderClass, contentClass = options.contentClass;
+      if (!(pane = this.$el.children("." + paneClass)).length && !pane.children("." + sliderClass).length) {
+        this.$el.append("<div class=\"" + paneClass + "\"><div class=\"" + sliderClass + "\" /></div>");
+      }
+      this.pane = this.$el.children("." + paneClass);
+      this.slider = this.pane.find("." + sliderClass);
+      if (BROWSER_SCROLLBAR_WIDTH === 0 && isFFWithBuggyScrollbar()) {
+        currentPadding = window.getComputedStyle(this.content, null).getPropertyValue('padding-right').replace(/[^0-9.]+/g, '');
+        cssRule = {
+          right: -14,
+          paddingRight: +currentPadding + 14
+        };
+      } else if (BROWSER_SCROLLBAR_WIDTH) {
+        cssRule = {
+          right: -BROWSER_SCROLLBAR_WIDTH
+        };
+        this.$el.addClass(options.enabledClass);
+      }
+      if (cssRule != null) {
+        this.$content.css(cssRule);
+      }
+      return this;
+    };
+
+
+    /**
+      @method restore
+      @private
+     */
+
+    NanoScroll.prototype.restore = function() {
+      this.stopped = false;
+      if (!this.iOSNativeScrolling) {
+        this.pane.show();
+      }
+      this.addEvents();
+    };
+
+
+    /**
+      Resets nanoScroller's scrollbar.
+      @method reset
+      @chainable
+      @example
+          $(".nano").nanoScroller();
+     */
+
+    NanoScroll.prototype.reset = function() {
+      var content, contentHeight, contentPosition, contentStyle, contentStyleOverflowY, paneBottom, paneHeight, paneOuterHeight, paneTop, parentMaxHeight, right, sliderHeight;
+      if (this.iOSNativeScrolling) {
+        this.contentHeight = this.content.scrollHeight;
+        return;
+      }
+      if (!this.$el.find("." + this.options.paneClass).length) {
+        this.generate().stop();
+      }
+      if (this.stopped) {
+        this.restore();
+      }
+      content = this.content;
+      contentStyle = content.style;
+      contentStyleOverflowY = contentStyle.overflowY;
+      if (BROWSER_IS_IE7) {
+        this.$content.css({
+          height: this.$content.height()
+        });
+      }
+      contentHeight = content.scrollHeight + BROWSER_SCROLLBAR_WIDTH;
+      parentMaxHeight = parseInt(this.$el.css("max-height"), 10);
+      if (parentMaxHeight > 0) {
+        this.$el.height("");
+        this.$el.height(content.scrollHeight > parentMaxHeight ? parentMaxHeight : content.scrollHeight);
+      }
+      paneHeight = this.pane.outerHeight(false);
+      paneTop = parseInt(this.pane.css('top'), 10);
+      paneBottom = parseInt(this.pane.css('bottom'), 10);
+      paneOuterHeight = paneHeight + paneTop + paneBottom;
+      sliderHeight = Math.round(paneOuterHeight / contentHeight * paneHeight);
+      if (sliderHeight < this.options.sliderMinHeight) {
+        sliderHeight = this.options.sliderMinHeight;
+      } else if ((this.options.sliderMaxHeight != null) && sliderHeight > this.options.sliderMaxHeight) {
+        sliderHeight = this.options.sliderMaxHeight;
+      }
+      if (contentStyleOverflowY === SCROLL && contentStyle.overflowX !== SCROLL) {
+        sliderHeight += BROWSER_SCROLLBAR_WIDTH;
+      }
+      this.maxSliderTop = paneOuterHeight - sliderHeight;
+      this.contentHeight = contentHeight;
+      this.paneHeight = paneHeight;
+      this.paneOuterHeight = paneOuterHeight;
+      this.sliderHeight = sliderHeight;
+      this.paneTop = paneTop;
+      this.slider.height(sliderHeight);
+      this.events.scroll();
+      this.pane.show();
+      this.isActive = true;
+      if ((content.scrollHeight === content.clientHeight) || (this.pane.outerHeight(true) >= content.scrollHeight && contentStyleOverflowY !== SCROLL)) {
+        this.pane.hide();
+        this.isActive = false;
+      } else if (this.el.clientHeight === content.scrollHeight && contentStyleOverflowY === SCROLL) {
+        this.slider.hide();
+      } else {
+        this.slider.show();
+      }
+      this.pane.css({
+        opacity: (this.options.alwaysVisible ? 1 : ''),
+        visibility: (this.options.alwaysVisible ? 'visible' : '')
+      });
+      contentPosition = this.$content.css('position');
+      if (contentPosition === 'static' || contentPosition === 'relative') {
+        right = parseInt(this.$content.css('right'), 10);
+        if (right) {
+          this.$content.css({
+            right: '',
+            marginRight: right
+          });
+        }
+      }
+      return this;
+    };
+
+
+    /**
+      @method scroll
+      @private
+      @example
+          $(".nano").nanoScroller({ scroll: 'top' });
+     */
+
+    NanoScroll.prototype.scroll = function() {
+      if (!this.isActive) {
+        return;
+      }
+      this.sliderY = Math.max(0, this.sliderY);
+      this.sliderY = Math.min(this.maxSliderTop, this.sliderY);
+      this.$content.scrollTop(this.maxScrollTop * this.sliderY / this.maxSliderTop);
+      if (!this.iOSNativeScrolling) {
+        this.updateScrollValues();
+        this.setOnScrollStyles();
+      }
+      return this;
+    };
+
+
+    /**
+      Scroll at the bottom with an offset value
+      @method scrollBottom
+      @param offsetY {Number}
+      @chainable
+      @example
+          $(".nano").nanoScroller({ scrollBottom: value });
+     */
+
+    NanoScroll.prototype.scrollBottom = function(offsetY) {
+      if (!this.isActive) {
+        return;
+      }
+      this.$content.scrollTop(this.contentHeight - this.$content.height() - offsetY).trigger(MOUSEWHEEL);
+      this.stop().restore();
+      return this;
+    };
+
+
+    /**
+      Scroll at the top with an offset value
+      @method scrollTop
+      @param offsetY {Number}
+      @chainable
+      @example
+          $(".nano").nanoScroller({ scrollTop: value });
+     */
+
+    NanoScroll.prototype.scrollTop = function(offsetY) {
+      if (!this.isActive) {
+        return;
+      }
+      this.$content.scrollTop(+offsetY).trigger(MOUSEWHEEL);
+      this.stop().restore();
+      return this;
+    };
+
+
+    /**
+      Scroll to an element
+      @method scrollTo
+      @param node {Node} A node to scroll to.
+      @chainable
+      @example
+          $(".nano").nanoScroller({ scrollTo: $('#a_node') });
+     */
+
+    NanoScroll.prototype.scrollTo = function(node) {
+      if (!this.isActive) {
+        return;
+      }
+      this.scrollTop(this.$el.find(node).get(0).offsetTop);
+      return this;
+    };
+
+
+    /**
+      To stop the operation.
+      This option will tell the plugin to disable all event bindings and hide the gadget scrollbar from the UI.
+      @method stop
+      @chainable
+      @example
+          $(".nano").nanoScroller({ stop: true });
+     */
+
+    NanoScroll.prototype.stop = function() {
+      if (cAF && this.scrollRAF) {
+        cAF(this.scrollRAF);
+        this.scrollRAF = null;
+      }
+      this.stopped = true;
+      this.removeEvents();
+      if (!this.iOSNativeScrolling) {
+        this.pane.hide();
+      }
+      return this;
+    };
+
+
+    /**
+      Destroys nanoScroller and restores browser's native scrollbar.
+      @method destroy
+      @chainable
+      @example
+          $(".nano").nanoScroller({ destroy: true });
+     */
+
+    NanoScroll.prototype.destroy = function() {
+      if (!this.stopped) {
+        this.stop();
+      }
+      if (!this.iOSNativeScrolling && this.pane.length) {
+        this.pane.remove();
+      }
+      if (BROWSER_IS_IE7) {
+        this.$content.height('');
+      }
+      this.$content.removeAttr('tabindex');
+      if (this.$el.hasClass(this.options.enabledClass)) {
+        this.$el.removeClass(this.options.enabledClass);
+        this.$content.css({
+          right: ''
+        });
+      }
+      return this;
+    };
+
+
+    /**
+      To flash the scrollbar gadget for an amount of time defined in plugin settings (defaults to 1,5s).
+      Useful if you want to show the user (e.g. on pageload) that there is more content waiting for him.
+      @method flash
+      @chainable
+      @example
+          $(".nano").nanoScroller({ flash: true });
+     */
+
+    NanoScroll.prototype.flash = function() {
+      if (this.iOSNativeScrolling) {
+        return;
+      }
+      if (!this.isActive) {
+        return;
+      }
+      this.reset();
+      this.pane.addClass(this.options.flashedClass);
+      setTimeout((function(_this) {
+        return function() {
+          _this.pane.removeClass(_this.options.flashedClass);
+        };
+      })(this), this.options.flashDelay);
+      return this;
+    };
+
+    return NanoScroll;
+
+  })();
+  $.fn.nanoScroller = function(settings) {
+    return this.each(function() {
+      var options, scrollbar;
+      if (!(scrollbar = this.nanoscroller)) {
+        options = $.extend({}, defaults, settings);
+        this.nanoscroller = scrollbar = new NanoScroll(this, options);
+      }
+      if (settings && typeof settings === "object") {
+        $.extend(scrollbar.options, settings);
+        if (settings.scrollBottom != null) {
+          return scrollbar.scrollBottom(settings.scrollBottom);
+        }
+        if (settings.scrollTop != null) {
+          return scrollbar.scrollTop(settings.scrollTop);
+        }
+        if (settings.scrollTo) {
+          return scrollbar.scrollTo(settings.scrollTo);
+        }
+        if (settings.scroll === 'bottom') {
+          return scrollbar.scrollBottom(0);
+        }
+        if (settings.scroll === 'top') {
+          return scrollbar.scrollTop(0);
+        }
+        if (settings.scroll && settings.scroll instanceof $) {
+          return scrollbar.scrollTo(settings.scroll);
+        }
+        if (settings.stop) {
+          return scrollbar.stop();
+        }
+        if (settings.destroy) {
+          return scrollbar.destroy();
+        }
+        if (settings.flash) {
+          return scrollbar.flash();
+        }
+      }
+      return scrollbar.reset();
+    });
+  };
+  $.fn.nanoScroller.Constructor = NanoScroll;
+});
+
+//# sourceMappingURL=jquery.nanoscroller.js.map
diff --git a/debian/missing-sources/jquery.peity.js b/debian/missing-sources/jquery.peity.js
new file mode 100644
index 000000000..8c4c9a527
--- /dev/null
+++ b/debian/missing-sources/jquery.peity.js
@@ -0,0 +1,383 @@
+// Peity jQuery plugin version 3.2.0
+// (c) 2015 Ben Pickles
+//
+// http://benpickles.github.io/peity
+//
+// Released under MIT license.
+(function($, document, Math, undefined) {
+  var peity = $.fn.peity = function(type, options) {
+    if (svgSupported) {
+      this.each(function() {
+        var $this = $(this)
+        var chart = $this.data('_peity')
+
+        if (chart) {
+          if (type) chart.type = type
+          $.extend(chart.opts, options)
+        } else {
+          chart = new Peity(
+            $this,
+            type,
+            $.extend({},
+              peity.defaults[type],
+              $this.data('peity'),
+              options)
+          )
+
+          $this
+            .change(function() { chart.draw() })
+            .data('_peity', chart)
+        }
+
+        chart.draw()
+      });
+    }
+
+    return this;
+  };
+
+  var Peity = function($el, type, opts) {
+    this.$el = $el
+    this.type = type
+    this.opts = opts
+  }
+
+  var PeityPrototype = Peity.prototype
+
+  var svgElement = PeityPrototype.svgElement = function(tag, attrs) {
+    return $(
+      document.createElementNS('http://www.w3.org/2000/svg', tag)
+    ).attr(attrs)
+  }
+
+  // https://gist.github.com/madrobby/3201472
+  var svgSupported = 'createElementNS' in document && svgElement('svg', {})[0].createSVGRect
+
+  PeityPrototype.draw = function() {
+    var opts = this.opts
+    peity.graphers[this.type].call(this, opts)
+    if (opts.after) opts.after.call(this, opts)
+  }
+
+  PeityPrototype.fill = function() {
+    var fill = this.opts.fill
+
+    return $.isFunction(fill)
+      ? fill
+      : function(_, i) { return fill[i % fill.length] }
+  }
+
+  PeityPrototype.prepare = function(width, height) {
+    if (!this.$svg) {
+      this.$el.hide().after(
+        this.$svg = svgElement('svg', {
+          "class": "peity"
+        })
+      )
+    }
+
+    return this.$svg
+      .empty()
+      .data('peity', this)
+      .attr({
+        height: height,
+        width: width
+      })
+  }
+
+  PeityPrototype.values = function() {
+    return $.map(this.$el.text().split(this.opts.delimiter), function(value) {
+      return parseFloat(value)
+    })
+  }
+
+  peity.defaults = {}
+  peity.graphers = {}
+
+  peity.register = function(type, defaults, grapher) {
+    this.defaults[type] = defaults
+    this.graphers[type] = grapher
+  }
+
+  peity.register(
+    'pie',
+    {
+      fill: ['#ff9900', '#fff4dd', '#ffc66e'],
+      radius: 8
+    },
+    function(opts) {
+      if (!opts.delimiter) {
+        var delimiter = this.$el.text().match(/[^0-9\.]/)
+        opts.delimiter = delimiter ? delimiter[0] : ","
+      }
+
+      var values = $.map(this.values(), function(n) {
+        return n > 0 ? n : 0
+      })
+
+      if (opts.delimiter == "/") {
+        var v1 = values[0]
+        var v2 = values[1]
+        values = [v1, Math.max(0, v2 - v1)]
+      }
+
+      var i = 0
+      var length = values.length
+      var sum = 0
+
+      for (; i < length; i++) {
+        sum += values[i]
+      }
+
+      if (!sum) {
+        length = 2
+        sum = 1
+        values = [0, 1]
+      }
+
+      var diameter = opts.radius * 2
+
+      var $svg = this.prepare(
+        opts.width || diameter,
+        opts.height || diameter
+      )
+
+      var width = $svg.width()
+        , height = $svg.height()
+        , cx = width / 2
+        , cy = height / 2
+
+      var radius = Math.min(cx, cy)
+        , innerRadius = opts.innerRadius
+
+      if (this.type == 'donut' && !innerRadius) {
+        innerRadius = radius * 0.5
+      }
+
+      var pi = Math.PI
+      var fill = this.fill()
+
+      var scale = this.scale = function(value, radius) {
+        var radians = value / sum * pi * 2 - pi / 2
+
+        return [
+          radius * Math.cos(radians) + cx,
+          radius * Math.sin(radians) + cy
+        ]
+      }
+
+      var cumulative = 0
+
+      for (i = 0; i < length; i++) {
+        var value = values[i]
+          , portion = value / sum
+          , $node
+
+        if (portion == 0) continue
+
+        if (portion == 1) {
+          if (innerRadius) {
+            var x2 = cx - 0.01
+              , y1 = cy - radius
+              , y2 = cy - innerRadius
+
+            $node = svgElement('path', {
+              d: [
+                'M', cx, y1,
+                'A', radius, radius, 0, 1, 1, x2, y1,
+                'L', x2, y2,
+                'A', innerRadius, innerRadius, 0, 1, 0, cx, y2
+              ].join(' ')
+            })
+          } else {
+            $node = svgElement('circle', {
+              cx: cx,
+              cy: cy,
+              r: radius
+            })
+          }
+        } else {
+          var cumulativePlusValue = cumulative + value
+
+          var d = ['M'].concat(
+            scale(cumulative, radius),
+            'A', radius, radius, 0, portion > 0.5 ? 1 : 0, 1,
+            scale(cumulativePlusValue, radius),
+            'L'
+          )
+
+          if (innerRadius) {
+            d = d.concat(
+              scale(cumulativePlusValue, innerRadius),
+              'A', innerRadius, innerRadius, 0, portion > 0.5 ? 1 : 0, 0,
+              scale(cumulative, innerRadius)
+            )
+          } else {
+            d.push(cx, cy)
+          }
+
+          cumulative += value
+
+          $node = svgElement('path', {
+            d: d.join(" ")
+          })
+        }
+
+        $node.attr('fill', fill.call(this, value, i, values))
+
+        $svg.append($node)
+      }
+    }
+  )
+
+  peity.register(
+    'donut',
+    $.extend(true, {}, peity.defaults.pie),
+    function(opts) {
+      peity.graphers.pie.call(this, opts)
+    }
+  )
+
+  peity.register(
+    "line",
+    {
+      delimiter: ",",
+      fill: "#c6d9fd",
+      height: 16,
+      min: 0,
+      stroke: "#4d89f9",
+      strokeWidth: 1,
+      width: 32
+    },
+    function(opts) {
+      var values = this.values()
+      if (values.length == 1) values.push(values[0])
+      var max = Math.max.apply(Math, opts.max == undefined ? values : values.concat(opts.max))
+        , min = Math.min.apply(Math, opts.min == undefined ? values : values.concat(opts.min))
+
+      var $svg = this.prepare(opts.width, opts.height)
+        , strokeWidth = opts.strokeWidth
+        , width = $svg.width()
+        , height = $svg.height() - strokeWidth
+        , diff = max - min
+
+      var xScale = this.x = function(input) {
+        return input * (width / (values.length - 1))
+      }
+
+      var yScale = this.y = function(input) {
+        var y = height
+
+        if (diff) {
+          y -= ((input - min) / diff) * height
+        }
+
+        return y + strokeWidth / 2
+      }
+
+      var zero = yScale(Math.max(min, 0))
+        , coords = [0, zero]
+
+      for (var i = 0; i < values.length; i++) {
+        coords.push(
+          xScale(i),
+          yScale(values[i])
+        )
+      }
+
+      coords.push(width, zero)
+
+      if (opts.fill) {
+        $svg.append(
+          svgElement('polygon', {
+            fill: opts.fill,
+            points: coords.join(' ')
+          })
+        )
+      }
+
+      if (strokeWidth) {
+        $svg.append(
+          svgElement('polyline', {
+            fill: 'none',
+            points: coords.slice(2, coords.length - 2).join(' '),
+            stroke: opts.stroke,
+            'stroke-width': strokeWidth,
+            'stroke-linecap': 'square'
+          })
+        )
+      }
+    }
+  );
+
+  peity.register(
+    'bar',
+    {
+      delimiter: ",",
+      fill: ["#4D89F9"],
+      height: 16,
+      min: 0,
+      padding: 0.1,
+      width: 32
+    },
+    function(opts) {
+      var values = this.values()
+        , max = Math.max.apply(Math, opts.max == undefined ? values : values.concat(opts.max))
+        , min = Math.min.apply(Math, opts.min == undefined ? values : values.concat(opts.min))
+
+      var $svg = this.prepare(opts.width, opts.height)
+        , width = $svg.width()
+        , height = $svg.height()
+        , diff = max - min
+        , padding = opts.padding
+        , fill = this.fill()
+
+      var xScale = this.x = function(input) {
+        return input * width / values.length
+      }
+
+      var yScale = this.y = function(input) {
+        return height - (
+          diff
+            ? ((input - min) / diff) * height
+            : 1
+        )
+      }
+
+      for (var i = 0; i < values.length; i++) {
+        var x = xScale(i + padding)
+          , w = xScale(i + 1 - padding) - x
+          , value = values[i]
+          , valueY = yScale(value)
+          , y1 = valueY
+          , y2 = valueY
+          , h
+
+        if (!diff) {
+          h = 1
+        } else if (value < 0) {
+          y1 = yScale(Math.min(max, 0))
+        } else {
+          y2 = yScale(Math.max(min, 0))
+        }
+
+        h = y2 - y1
+
+        if (h == 0) {
+          h = 1
+          if (max > 0 && diff) y1--
+        }
+
+        $svg.append(
+          svgElement('rect', {
+            fill: fill.call(this, value, i, values),
+            x: x,
+            y: y1,
+            width: w,
+            height: h
+          })
+        )
+      }
+    }
+  );
+})(jQuery, document, Math);
diff --git a/debian/missing-sources/jquery.sparkline.js b/debian/missing-sources/jquery.sparkline.js
new file mode 100644
index 000000000..721e03b76
--- /dev/null
+++ b/debian/missing-sources/jquery.sparkline.js
@@ -0,0 +1,3054 @@
+/**
+*
+* jquery.sparkline.js
+*
+* v2.1.2
+* (c) Splunk, Inc
+* Contact: Gareth Watts (gareth@splunk.com)
+* http://omnipotent.net/jquery.sparkline/
+*
+* Generates inline sparkline charts from data supplied either to the method
+* or inline in HTML
+*
+* Compatible with Internet Explorer 6.0+ and modern browsers equipped with the canvas tag
+* (Firefox 2.0+, Safari, Opera, etc)
+*
+* License: New BSD License
+*
+* Copyright (c) 2012, Splunk Inc.
+* All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without modification,
+* are permitted provided that the following conditions are met:
+*
+*     * Redistributions of source code must retain the above copyright notice,
+*       this list of conditions and the following disclaimer.
+*     * Redistributions in binary form must reproduce the above copyright notice,
+*       this list of conditions and the following disclaimer in the documentation
+*       and/or other materials provided with the distribution.
+*     * Neither the name of Splunk Inc nor the names of its contributors may
+*       be used to endorse or promote products derived from this software without
+*       specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+* SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+*
+* Usage:
+*  $(selector).sparkline(values, options)
+*
+* If values is undefined or set to 'html' then the data values are read from the specified tag:
+*   <p>Sparkline: <span class="sparkline">1,4,6,6,8,5,3,5</span></p>
+*   $('.sparkline').sparkline();
+* There must be no spaces in the enclosed data set
+*
+* Otherwise values must be an array of numbers or null values
+*    <p>Sparkline: <span id="sparkline1">This text replaced if the browser is compatible</span></p>
+*    $('#sparkline1').sparkline([1,4,6,6,8,5,3,5])
+*    $('#sparkline2').sparkline([1,4,6,null,null,5,3,5])
+*
+* Values can also be specified in an HTML comment, or as a values attribute:
+*    <p>Sparkline: <span class="sparkline"><!--1,4,6,6,8,5,3,5 --></span></p>
+*    <p>Sparkline: <span class="sparkline" values="1,4,6,6,8,5,3,5"></span></p>
+*    $('.sparkline').sparkline();
+*
+* For line charts, x values can also be specified:
+*   <p>Sparkline: <span class="sparkline">1:1,2.7:4,3.4:6,5:6,6:8,8.7:5,9:3,10:5</span></p>
+*    $('#sparkline1').sparkline([ [1,1], [2.7,4], [3.4,6], [5,6], [6,8], [8.7,5], [9,3], [10,5] ])
+*
+* By default, options should be passed in as teh second argument to the sparkline function:
+*   $('.sparkline').sparkline([1,2,3,4], {type: 'bar'})
+*
+* Options can also be set by passing them on the tag itself.  This feature is disabled by default though
+* as there's a slight performance overhead:
+*   $('.sparkline').sparkline([1,2,3,4], {enableTagOptions: true})
+*   <p>Sparkline: <span class="sparkline" sparkType="bar" sparkBarColor="red">loading</span></p>
+* Prefix all options supplied as tag attribute with "spark" (configurable by setting tagOptionPrefix)
+*
+* Supported options:
+*   lineColor - Color of the line used for the chart
+*   fillColor - Color used to fill in the chart - Set to '' or false for a transparent chart
+*   width - Width of the chart - Defaults to 3 times the number of values in pixels
+*   height - Height of the chart - Defaults to the height of the containing element
+*   chartRangeMin - Specify the minimum value to use for the Y range of the chart - Defaults to the minimum value supplied
+*   chartRangeMax - Specify the maximum value to use for the Y range of the chart - Defaults to the maximum value supplied
+*   chartRangeClip - Clip out of range values to the max/min specified by chartRangeMin and chartRangeMax
+*   chartRangeMinX - Specify the minimum value to use for the X range of the chart - Defaults to the minimum value supplied
+*   chartRangeMaxX - Specify the maximum value to use for the X range of the chart - Defaults to the maximum value supplied
+*   composite - If true then don't erase any existing chart attached to the tag, but draw
+*           another chart over the top - Note that width and height are ignored if an
+*           existing chart is detected.
+*   tagValuesAttribute - Name of tag attribute to check for data values - Defaults to 'values'
+*   enableTagOptions - Whether to check tags for sparkline options
+*   tagOptionPrefix - Prefix used for options supplied as tag attributes - Defaults to 'spark'
+*   disableHiddenCheck - If set to true, then the plugin will assume that charts will never be drawn into a
+*           hidden dom element, avoding a browser reflow
+*   disableInteraction - If set to true then all mouseover/click interaction behaviour will be disabled,
+*       making the plugin perform much like it did in 1.x
+*   disableTooltips - If set to true then tooltips will be disabled - Defaults to false (tooltips enabled)
+*   disableHighlight - If set to true then highlighting of selected chart elements on mouseover will be disabled
+*       defaults to false (highlights enabled)
+*   highlightLighten - Factor to lighten/darken highlighted chart values by - Defaults to 1.4 for a 40% increase
+*   tooltipContainer - Specify which DOM element the tooltip should be rendered into - defaults to document.body
+*   tooltipClassname - Optional CSS classname to apply to tooltips - If not specified then a default style will be applied
+*   tooltipOffsetX - How many pixels away from the mouse pointer to render the tooltip on the X axis
+*   tooltipOffsetY - How many pixels away from the mouse pointer to render the tooltip on the r axis
+*   tooltipFormatter  - Optional callback that allows you to override the HTML displayed in the tooltip
+*       callback is given arguments of (sparkline, options, fields)
+*   tooltipChartTitle - If specified then the tooltip uses the string specified by this setting as a title
+*   tooltipFormat - A format string or SPFormat object  (or an array thereof for multiple entries)
+*       to control the format of the tooltip
+*   tooltipPrefix - A string to prepend to each field displayed in a tooltip
+*   tooltipSuffix - A string to append to each field displayed in a tooltip
+*   tooltipSkipNull - If true then null values will not have a tooltip displayed (defaults to true)
+*   tooltipValueLookups - An object or range map to map field values to tooltip strings
+*       (eg. to map -1 to "Lost", 0 to "Draw", and 1 to "Win")
+*   numberFormatter - Optional callback for formatting numbers in tooltips
+*   numberDigitGroupSep - Character to use for group separator in numbers "1,234" - Defaults to ","
+*   numberDecimalMark - Character to use for the decimal point when formatting numbers - Defaults to "."
+*   numberDigitGroupCount - Number of digits between group separator - Defaults to 3
+*
+* There are 7 types of sparkline, selected by supplying a "type" option of 'line' (default),
+* 'bar', 'tristate', 'bullet', 'discrete', 'pie' or 'box'
+*    line - Line chart.  Options:
+*       spotColor - Set to '' to not end each line in a circular spot
+*       minSpotColor - If set, color of spot at minimum value
+*       maxSpotColor - If set, color of spot at maximum value
+*       spotRadius - Radius in pixels
+*       lineWidth - Width of line in pixels
+*       normalRangeMin
+*       normalRangeMax - If set draws a filled horizontal bar between these two values marking the "normal"
+*                      or expected range of values
+*       normalRangeColor - Color to use for the above bar
+*       drawNormalOnTop - Draw the normal range above the chart fill color if true
+*       defaultPixelsPerValue - Defaults to 3 pixels of width for each value in the chart
+*       highlightSpotColor - The color to use for drawing a highlight spot on mouseover - Set to null to disable
+*       highlightLineColor - The color to use for drawing a highlight line on mouseover - Set to null to disable
+*       valueSpots - Specify which points to draw spots on, and in which color.  Accepts a range map
+*
+*   bar - Bar chart.  Options:
+*       barColor - Color of bars for postive values
+*       negBarColor - Color of bars for negative values
+*       zeroColor - Color of bars with zero values
+*       nullColor - Color of bars with null values - Defaults to omitting the bar entirely
+*       barWidth - Width of bars in pixels
+*       colorMap - Optional mappnig of values to colors to override the *BarColor values above
+*                  can be an Array of values to control the color of individual bars or a range map
+*                  to specify colors for individual ranges of values
+*       barSpacing - Gap between bars in pixels
+*       zeroAxis - Centers the y-axis around zero if true
+*
+*   tristate - Charts values of win (>0), lose (<0) or draw (=0)
+*       posBarColor - Color of win values
+*       negBarColor - Color of lose values
+*       zeroBarColor - Color of draw values
+*       barWidth - Width of bars in pixels
+*       barSpacing - Gap between bars in pixels
+*       colorMap - Optional mappnig of values to colors to override the *BarColor values above
+*                  can be an Array of values to control the color of individual bars or a range map
+*                  to specify colors for individual ranges of values
+*
+*   discrete - Options:
+*       lineHeight - Height of each line in pixels - Defaults to 30% of the graph height
+*       thesholdValue - Values less than this value will be drawn using thresholdColor instead of lineColor
+*       thresholdColor
+*
+*   bullet - Values for bullet graphs msut be in the order: target, performance, range1, range2, range3, ...
+*       options:
+*       targetColor - The color of the vertical target marker
+*       targetWidth - The width of the target marker in pixels
+*       performanceColor - The color of the performance measure horizontal bar
+*       rangeColors - Colors to use for each qualitative range background color
+*
+*   pie - Pie chart. Options:
+*       sliceColors - An array of colors to use for pie slices
+*       offset - Angle in degrees to offset the first slice - Try -90 or +90
+*       borderWidth - Width of border to draw around the pie chart, in pixels - Defaults to 0 (no border)
+*       borderColor - Color to use for the pie chart border - Defaults to #000
+*
+*   box - Box plot. Options:
+*       raw - Set to true to supply pre-computed plot points as values
+*             values should be: low_outlier, low_whisker, q1, median, q3, high_whisker, high_outlier
+*             When set to false you can supply any number of values and the box plot will
+*             be computed for you.  Default is false.
+*       showOutliers - Set to true (default) to display outliers as circles
+*       outlierIQR - Interquartile range used to determine outliers.  Default 1.5
+*       boxLineColor - Outline color of the box
+*       boxFillColor - Fill color for the box
+*       whiskerColor - Line color used for whiskers
+*       outlierLineColor - Outline color of outlier circles
+*       outlierFillColor - Fill color of the outlier circles
+*       spotRadius - Radius of outlier circles
+*       medianColor - Line color of the median line
+*       target - Draw a target cross hair at the supplied value (default undefined)
+*
+*
+*
+*   Examples:
+*   $('#sparkline1').sparkline(myvalues, { lineColor: '#f00', fillColor: false });
+*   $('.barsparks').sparkline('html', { type:'bar', height:'40px', barWidth:5 });
+*   $('#tristate').sparkline([1,1,-1,1,0,0,-1], { type:'tristate' }):
+*   $('#discrete').sparkline([1,3,4,5,5,3,4,5], { type:'discrete' });
+*   $('#bullet').sparkline([10,12,12,9,7], { type:'bullet' });
+*   $('#pie').sparkline([1,1,2], { type:'pie' });
+*/
+
+/*jslint regexp: true, browser: true, jquery: true, white: true, nomen: false, plusplus: false, maxerr: 500, indent: 4 */
+
+(function(document, Math, undefined) { // performance/minified-size optimization
+(function(factory) {
+    if(typeof define === 'function' && define.amd) {
+        define(['jquery'], factory);
+    } else if (jQuery && !jQuery.fn.sparkline) {
+        factory(jQuery);
+    }
+}
+(function($) {
+    'use strict';
+
+    var UNSET_OPTION = {},
+        getDefaults, createClass, SPFormat, clipval, quartile, normalizeValue, normalizeValues,
+        remove, isNumber, all, sum, addCSS, ensureArray, formatNumber, RangeMap,
+        MouseHandler, Tooltip, barHighlightMixin,
+        line, bar, tristate, discrete, bullet, pie, box, defaultStyles, initStyles,
+        VShape, VCanvas_base, VCanvas_canvas, VCanvas_vml, pending, shapeCount = 0;
+
+    /**
+     * Default configuration settings
+     */
+    getDefaults = function () {
+        return {
+            // Settings common to most/all chart types
+            common: {
+                type: 'line',
+                lineColor: '#00f',
+                fillColor: '#cdf',
+                defaultPixelsPerValue: 3,
+                width: 'auto',
+                height: 'auto',
+                composite: false,
+                tagValuesAttribute: 'values',
+                tagOptionsPrefix: 'spark',
+                enableTagOptions: false,
+                enableHighlight: true,
+                highlightLighten: 1.4,
+                tooltipSkipNull: true,
+                tooltipPrefix: '',
+                tooltipSuffix: '',
+                disableHiddenCheck: false,
+                numberFormatter: false,
+                numberDigitGroupCount: 3,
+                numberDigitGroupSep: ',',
+                numberDecimalMark: '.',
+                disableTooltips: false,
+                disableInteraction: false
+            },
+            // Defaults for line charts
+            line: {
+                spotColor: '#f80',
+                highlightSpotColor: '#5f5',
+                highlightLineColor: '#f22',
+                spotRadius: 1.5,
+                minSpotColor: '#f80',
+                maxSpotColor: '#f80',
+                lineWidth: 1,
+                normalRangeMin: undefined,
+                normalRangeMax: undefined,
+                normalRangeColor: '#ccc',
+                drawNormalOnTop: false,
+                chartRangeMin: undefined,
+                chartRangeMax: undefined,
+                chartRangeMinX: undefined,
+                chartRangeMaxX: undefined,
+                tooltipFormat: new SPFormat('<span style="color: {{color}}">&#9679;</span> {{prefix}}{{y}}{{suffix}}')
+            },
+            // Defaults for bar charts
+            bar: {
+                barColor: '#3366cc',
+                negBarColor: '#f44',
+                stackedBarColor: ['#3366cc', '#dc3912', '#ff9900', '#109618', '#66aa00',
+                    '#dd4477', '#0099c6', '#990099'],
+                zeroColor: undefined,
+                nullColor: undefined,
+                zeroAxis: true,
+                barWidth: 4,
+                barSpacing: 1,
+                chartRangeMax: undefined,
+                chartRangeMin: undefined,
+                chartRangeClip: false,
+                colorMap: undefined,
+                tooltipFormat: new SPFormat('<span style="color: {{color}}">&#9679;</span> {{prefix}}{{value}}{{suffix}}')
+            },
+            // Defaults for tristate charts
+            tristate: {
+                barWidth: 4,
+                barSpacing: 1,
+                posBarColor: '#6f6',
+                negBarColor: '#f44',
+                zeroBarColor: '#999',
+                colorMap: {},
+                tooltipFormat: new SPFormat('<span style="color: {{color}}">&#9679;</span> {{value:map}}'),
+                tooltipValueLookups: { map: { '-1': 'Loss', '0': 'Draw', '1': 'Win' } }
+            },
+            // Defaults for discrete charts
+            discrete: {
+                lineHeight: 'auto',
+                thresholdColor: undefined,
+                thresholdValue: 0,
+                chartRangeMax: undefined,
+                chartRangeMin: undefined,
+                chartRangeClip: false,
+                tooltipFormat: new SPFormat('{{prefix}}{{value}}{{suffix}}')
+            },
+            // Defaults for bullet charts
+            bullet: {
+                targetColor: '#f33',
+                targetWidth: 3, // width of the target bar in pixels
+                performanceColor: '#33f',
+                rangeColors: ['#d3dafe', '#a8b6ff', '#7f94ff'],
+                base: undefined, // set this to a number to change the base start number
+                tooltipFormat: new SPFormat('{{fieldkey:fields}} - {{value}}'),
+                tooltipValueLookups: { fields: {r: 'Range', p: 'Performance', t: 'Target'} }
+            },
+            // Defaults for pie charts
+            pie: {
+                offset: 0,
+                sliceColors: ['#3366cc', '#dc3912', '#ff9900', '#109618', '#66aa00',
+                    '#dd4477', '#0099c6', '#990099'],
+                borderWidth: 0,
+                borderColor: '#000',
+                tooltipFormat: new SPFormat('<span style="color: {{color}}">&#9679;</span> {{value}} ({{percent.1}}%)')
+            },
+            // Defaults for box plots
+            box: {
+                raw: false,
+                boxLineColor: '#000',
+                boxFillColor: '#cdf',
+                whiskerColor: '#000',
+                outlierLineColor: '#333',
+                outlierFillColor: '#fff',
+                medianColor: '#f00',
+                showOutliers: true,
+                outlierIQR: 1.5,
+                spotRadius: 1.5,
+                target: undefined,
+                targetColor: '#4a2',
+                chartRangeMax: undefined,
+                chartRangeMin: undefined,
+                tooltipFormat: new SPFormat('{{field:fields}}: {{value}}'),
+                tooltipFormatFieldlistKey: 'field',
+                tooltipValueLookups: { fields: { lq: 'Lower Quartile', med: 'Median',
+                    uq: 'Upper Quartile', lo: 'Left Outlier', ro: 'Right Outlier',
+                    lw: 'Left Whisker', rw: 'Right Whisker'} }
+            }
+        };
+    };
+
+    // You can have tooltips use a css class other than jqstooltip by specifying tooltipClassname
+    defaultStyles = '.jqstooltip { ' +
+            'position: absolute;' +
+            'left: 0px;' +
+            'top: 0px;' +
+            'visibility: hidden;' +
+            'background: rgb(0, 0, 0) transparent;' +
+            'background-color: rgba(0,0,0,0.6);' +
+            'filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#99000000, endColorstr=#99000000);' +
+            '-ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorstr=#99000000, endColorstr=#99000000)";' +
+            'color: white;' +
+            'font: 10px arial, san serif;' +
+            'text-align: left;' +
+            'white-space: nowrap;' +
+            'padding: 5px;' +
+            'border: 1px solid white;' +
+            'z-index: 10000;' +
+            '}' +
+            '.jqsfield { ' +
+            'color: white;' +
+            'font: 10px arial, san serif;' +
+            'text-align: left;' +
+            '}';
+
+    /**
+     * Utilities
+     */
+
+    createClass = function (/* [baseclass, [mixin, ...]], definition */) {
+        var Class, args;
+        Class = function () {
+            this.init.apply(this, arguments);
+        };
+        if (arguments.length > 1) {
+            if (arguments[0]) {
+                Class.prototype = $.extend(new arguments[0](), arguments[arguments.length - 1]);
+                Class._super = arguments[0].prototype;
+            } else {
+                Class.prototype = arguments[arguments.length - 1];
+            }
+            if (arguments.length > 2) {
+                args = Array.prototype.slice.call(arguments, 1, -1);
+                args.unshift(Class.prototype);
+                $.extend.apply($, args);
+            }
+        } else {
+            Class.prototype = arguments[0];
+        }
+        Class.prototype.cls = Class;
+        return Class;
+    };
+
+    /**
+     * Wraps a format string for tooltips
+     * {{x}}
+     * {{x.2}
+     * {{x:months}}
+     */
+    $.SPFormatClass = SPFormat = createClass({
+        fre: /\{\{([\w.]+?)(:(.+?))?\}\}/g,
+        precre: /(\w+)\.(\d+)/,
+
+        init: function (format, fclass) {
+            this.format = format;
+            this.fclass = fclass;
+        },
+
+        render: function (fieldset, lookups, options) {
+            var self = this,
+                fields = fieldset,
+                match, token, lookupkey, fieldvalue, prec;
+            return this.format.replace(this.fre, function () {
+                var lookup;
+                token = arguments[1];
+                lookupkey = arguments[3];
+                match = self.precre.exec(token);
+                if (match) {
+                    prec = match[2];
+                    token = match[1];
+                } else {
+                    prec = false;
+                }
+                fieldvalue = fields[token];
+                if (fieldvalue === undefined) {
+                    return '';
+                }
+                if (lookupkey && lookups && lookups[lookupkey]) {
+                    lookup = lookups[lookupkey];
+                    if (lookup.get) { // RangeMap
+                        return lookups[lookupkey].get(fieldvalue) || fieldvalue;
+                    } else {
+                        return lookups[lookupkey][fieldvalue] || fieldvalue;
+                    }
+                }
+                if (isNumber(fieldvalue)) {
+                    if (options.get('numberFormatter')) {
+                        fieldvalue = options.get('numberFormatter')(fieldvalue);
+                    } else {
+                        fieldvalue = formatNumber(fieldvalue, prec,
+                            options.get('numberDigitGroupCount'),
+                            options.get('numberDigitGroupSep'),
+                            options.get('numberDecimalMark'));
+                    }
+                }
+                return fieldvalue;
+            });
+        }
+    });
+
+    // convience method to avoid needing the new operator
+    $.spformat = function(format, fclass) {
+        return new SPFormat(format, fclass);
+    };
+
+    clipval = function (val, min, max) {
+        if (val < min) {
+            return min;
+        }
+        if (val > max) {
+            return max;
+        }
+        return val;
+    };
+
+    quartile = function (values, q) {
+        var vl;
+        if (q === 2) {
+            vl = Math.floor(values.length / 2);
+            return values.length % 2 ? values[vl] : (values[vl-1] + values[vl]) / 2;
+        } else {
+            if (values.length % 2 ) { // odd
+                vl = (values.length * q + q) / 4;
+                return vl % 1 ? (values[Math.floor(vl)] + values[Math.floor(vl) - 1]) / 2 : values[vl-1];
+            } else { //even
+                vl = (values.length * q + 2) / 4;
+                return vl % 1 ? (values[Math.floor(vl)] + values[Math.floor(vl) - 1]) / 2 :  values[vl-1];
+
+            }
+        }
+    };
+
+    normalizeValue = function (val) {
+        var nf;
+        switch (val) {
+            case 'undefined':
+                val = undefined;
+                break;
+            case 'null':
+                val = null;
+                break;
+            case 'true':
+                val = true;
+                break;
+            case 'false':
+                val = false;
+                break;
+            default:
+                nf = parseFloat(val);
+                if (val == nf) {
+                    val = nf;
+                }
+        }
+        return val;
+    };
+
+    normalizeValues = function (vals) {
+        var i, result = [];
+        for (i = vals.length; i--;) {
+            result[i] = normalizeValue(vals[i]);
+        }
+        return result;
+    };
+
+    remove = function (vals, filter) {
+        var i, vl, result = [];
+        for (i = 0, vl = vals.length; i < vl; i++) {
+            if (vals[i] !== filter) {
+                result.push(vals[i]);
+            }
+        }
+        return result;
+    };
+
+    isNumber = function (num) {
+        return !isNaN(parseFloat(num)) && isFinite(num);
+    };
+
+    formatNumber = function (num, prec, groupsize, groupsep, decsep) {
+        var p, i;
+        num = (prec === false ? parseFloat(num).toString() : num.toFixed(prec)).split('');
+        p = (p = $.inArray('.', num)) < 0 ? num.length : p;
+        if (p < num.length) {
+            num[p] = decsep;
+        }
+        for (i = p - groupsize; i > 0; i -= groupsize) {
+            num.splice(i, 0, groupsep);
+        }
+        return num.join('');
+    };
+
+    // determine if all values of an array match a value
+    // returns true if the array is empty
+    all = function (val, arr, ignoreNull) {
+        var i;
+        for (i = arr.length; i--; ) {
+            if (ignoreNull && arr[i] === null) continue;
+            if (arr[i] !== val) {
+                return false;
+            }
+        }
+        return true;
+    };
+
+    // sums the numeric values in an array, ignoring other values
+    sum = function (vals) {
+        var total = 0, i;
+        for (i = vals.length; i--;) {
+            total += typeof vals[i] === 'number' ? vals[i] : 0;
+        }
+        return total;
+    };
+
+    ensureArray = function (val) {
+        return $.isArray(val) ? val : [val];
+    };
+
+    // http://paulirish.com/2008/bookmarklet-inject-new-css-rules/
+    addCSS = function(css) {
+        var tag;
+        //if ('\v' == 'v') /* ie only */ {
+        if (document.createStyleSheet) {
+            document.createStyleSheet().cssText = css;
+        } else {
+            tag = document.createElement('style');
+            tag.type = 'text/css';
+            document.getElementsByTagName('head')[0].appendChild(tag);
+            tag[(typeof document.body.style.WebkitAppearance == 'string') /* webkit only */ ? 'innerText' : 'innerHTML'] = css;
+        }
+    };
+
+    // Provide a cross-browser interface to a few simple drawing primitives
+    $.fn.simpledraw = function (width, height, useExisting, interact) {
+        var target, mhandler;
+        if (useExisting && (target = this.data('_jqs_vcanvas'))) {
+            return target;
+        }
+
+        if ($.fn.sparkline.canvas === false) {
+            // We've already determined that neither Canvas nor VML are available
+            return false;
+
+        } else if ($.fn.sparkline.canvas === undefined) {
+            // No function defined yet -- need to see if we support Canvas or VML
+            var el = document.createElement('canvas');
+            if (!!(el.getContext && el.getContext('2d'))) {
+                // Canvas is available
+                $.fn.sparkline.canvas = function(width, height, target, interact) {
+                    return new VCanvas_canvas(width, height, target, interact);
+                };
+            } else if (document.namespaces && !document.namespaces.v) {
+                // VML is available
+                document.namespaces.add('v', 'urn:schemas-microsoft-com:vml', '#default#VML');
+                $.fn.sparkline.canvas = function(width, height, target, interact) {
+                    return new VCanvas_vml(width, height, target);
+                };
+            } else {
+                // Neither Canvas nor VML are available
+                $.fn.sparkline.canvas = false;
+                return false;
+            }
+        }
+
+        if (width === undefined) {
+            width = $(this).innerWidth();
+        }
+        if (height === undefined) {
+            height = $(this).innerHeight();
+        }
+
+        target = $.fn.sparkline.canvas(width, height, this, interact);
+
+        mhandler = $(this).data('_jqs_mhandler');
+        if (mhandler) {
+            mhandler.registerCanvas(target);
+        }
+        return target;
+    };
+
+    $.fn.cleardraw = function () {
+        var target = this.data('_jqs_vcanvas');
+        if (target) {
+            target.reset();
+        }
+    };
+
+    $.RangeMapClass = RangeMap = createClass({
+        init: function (map) {
+            var key, range, rangelist = [];
+            for (key in map) {
+                if (map.hasOwnProperty(key) && typeof key === 'string' && key.indexOf(':') > -1) {
+                    range = key.split(':');
+                    range[0] = range[0].length === 0 ? -Infinity : parseFloat(range[0]);
+                    range[1] = range[1].length === 0 ? Infinity : parseFloat(range[1]);
+                    range[2] = map[key];
+                    rangelist.push(range);
+                }
+            }
+            this.map = map;
+            this.rangelist = rangelist || false;
+        },
+
+        get: function (value) {
+            var rangelist = this.rangelist,
+                i, range, result;
+            if ((result = this.map[value]) !== undefined) {
+                return result;
+            }
+            if (rangelist) {
+                for (i = rangelist.length; i--;) {
+                    range = rangelist[i];
+                    if (range[0] <= value && range[1] >= value) {
+                        return range[2];
+                    }
+                }
+            }
+            return undefined;
+        }
+    });
+
+    // Convenience function
+    $.range_map = function(map) {
+        return new RangeMap(map);
+    };
+
+    MouseHandler = createClass({
+        init: function (el, options) {
+            var $el = $(el);
+            this.$el = $el;
+            this.options = options;
+            this.currentPageX = 0;
+            this.currentPageY = 0;
+            this.el = el;
+            this.splist = [];
+            this.tooltip = null;
+            this.over = false;
+            this.displayTooltips = !options.get('disableTooltips');
+            this.highlightEnabled = !options.get('disableHighlight');
+        },
+
+        registerSparkline: function (sp) {
+            this.splist.push(sp);
+            if (this.over) {
+                this.updateDisplay();
+            }
+        },
+
+        registerCanvas: function (canvas) {
+            var $canvas = $(canvas.canvas);
+            this.canvas = canvas;
+            this.$canvas = $canvas;
+            $canvas.mouseenter($.proxy(this.mouseenter, this));
+            $canvas.mouseleave($.proxy(this.mouseleave, this));
+            $canvas.click($.proxy(this.mouseclick, this));
+        },
+
+        reset: function (removeTooltip) {
+            this.splist = [];
+            if (this.tooltip && removeTooltip) {
+                this.tooltip.remove();
+                this.tooltip = undefined;
+            }
+        },
+
+        mouseclick: function (e) {
+            var clickEvent = $.Event('sparklineClick');
+            clickEvent.originalEvent = e;
+            clickEvent.sparklines = this.splist;
+            this.$el.trigger(clickEvent);
+        },
+
+        mouseenter: function (e) {
+            $(document.body).unbind('mousemove.jqs');
+            $(document.body).bind('mousemove.jqs', $.proxy(this.mousemove, this));
+            this.over = true;
+            this.currentPageX = e.pageX;
+            this.currentPageY = e.pageY;
+            this.currentEl = e.target;
+            if (!this.tooltip && this.displayTooltips) {
+                this.tooltip = new Tooltip(this.options);
+                this.tooltip.updatePosition(e.pageX, e.pageY);
+            }
+            this.updateDisplay();
+        },
+
+        mouseleave: function () {
+            $(document.body).unbind('mousemove.jqs');
+            var splist = this.splist,
+                 spcount = splist.length,
+                 needsRefresh = false,
+                 sp, i;
+            this.over = false;
+            this.currentEl = null;
+
+            if (this.tooltip) {
+                this.tooltip.remove();
+                this.tooltip = null;
+            }
+
+            for (i = 0; i < spcount; i++) {
+                sp = splist[i];
+                if (sp.clearRegionHighlight()) {
+                    needsRefresh = true;
+                }
+            }
+
+            if (needsRefresh) {
+                this.canvas.render();
+            }
+        },
+
+        mousemove: function (e) {
+            this.currentPageX = e.pageX;
+            this.currentPageY = e.pageY;
+            this.currentEl = e.target;
+            if (this.tooltip) {
+                this.tooltip.updatePosition(e.pageX, e.pageY);
+            }
+            this.updateDisplay();
+        },
+
+        updateDisplay: function () {
+            var splist = this.splist,
+                 spcount = splist.length,
+                 needsRefresh = false,
+                 offset = this.$canvas.offset(),
+                 localX = this.currentPageX - offset.left,
+                 localY = this.currentPageY - offset.top,
+                 tooltiphtml, sp, i, result, changeEvent;
+            if (!this.over) {
+                return;
+            }
+            for (i = 0; i < spcount; i++) {
+                sp = splist[i];
+                result = sp.setRegionHighlight(this.currentEl, localX, localY);
+                if (result) {
+                    needsRefresh = true;
+                }
+            }
+            if (needsRefresh) {
+                changeEvent = $.Event('sparklineRegionChange');
+                changeEvent.sparklines = this.splist;
+                this.$el.trigger(changeEvent);
+                if (this.tooltip) {
+                    tooltiphtml = '';
+                    for (i = 0; i < spcount; i++) {
+                        sp = splist[i];
+                        tooltiphtml += sp.getCurrentRegionTooltip();
+                    }
+                    this.tooltip.setContent(tooltiphtml);
+                }
+                if (!this.disableHighlight) {
+                    this.canvas.render();
+                }
+            }
+            if (result === null) {
+                this.mouseleave();
+            }
+        }
+    });
+
+
+    Tooltip = createClass({
+        sizeStyle: 'position: static !important;' +
+            'display: block !important;' +
+            'visibility: hidden !important;' +
+            'float: left !important;',
+
+        init: function (options) {
+            var tooltipClassname = options.get('tooltipClassname', 'jqstooltip'),
+                sizetipStyle = this.sizeStyle,
+                offset;
+            this.container = options.get('tooltipContainer') || document.body;
+            this.tooltipOffsetX = options.get('tooltipOffsetX', 10);
+            this.tooltipOffsetY = options.get('tooltipOffsetY', 12);
+            // remove any previous lingering tooltip
+            $('#jqssizetip').remove();
+            $('#jqstooltip').remove();
+            this.sizetip = $('<div/>', {
+                id: 'jqssizetip',
+                style: sizetipStyle,
+                'class': tooltipClassname
+            });
+            this.tooltip = $('<div/>', {
+                id: 'jqstooltip',
+                'class': tooltipClassname
+            }).appendTo(this.container);
+            // account for the container's location
+            offset = this.tooltip.offset();
+            this.offsetLeft = offset.left;
+            this.offsetTop = offset.top;
+            this.hidden = true;
+            $(window).unbind('resize.jqs scroll.jqs');
+            $(window).bind('resize.jqs scroll.jqs', $.proxy(this.updateWindowDims, this));
+            this.updateWindowDims();
+        },
+
+        updateWindowDims: function () {
+            this.scrollTop = $(window).scrollTop();
+            this.scrollLeft = $(window).scrollLeft();
+            this.scrollRight = this.scrollLeft + $(window).width();
+            this.updatePosition();
+        },
+
+        getSize: function (content) {
+            this.sizetip.html(content).appendTo(this.container);
+            this.width = this.sizetip.width() + 1;
+            this.height = this.sizetip.height();
+            this.sizetip.remove();
+        },
+
+        setContent: function (content) {
+            if (!content) {
+                this.tooltip.css('visibility', 'hidden');
+                this.hidden = true;
+                return;
+            }
+            this.getSize(content);
+            this.tooltip.html(content)
+                .css({
+                    'width': this.width,
+                    'height': this.height,
+                    'visibility': 'visible'
+                });
+            if (this.hidden) {
+                this.hidden = false;
+                this.updatePosition();
+            }
+        },
+
+        updatePosition: function (x, y) {
+            if (x === undefined) {
+                if (this.mousex === undefined) {
+                    return;
+                }
+                x = this.mousex - this.offsetLeft;
+                y = this.mousey - this.offsetTop;
+
+            } else {
+                this.mousex = x = x - this.offsetLeft;
+                this.mousey = y = y - this.offsetTop;
+            }
+            if (!this.height || !this.width || this.hidden) {
+                return;
+            }
+
+            y -= this.height + this.tooltipOffsetY;
+            x += this.tooltipOffsetX;
+
+            if (y < this.scrollTop) {
+                y = this.scrollTop;
+            }
+            if (x < this.scrollLeft) {
+                x = this.scrollLeft;
+            } else if (x + this.width > this.scrollRight) {
+                x = this.scrollRight - this.width;
+            }
+
+            this.tooltip.css({
+                'left': x,
+                'top': y
+            });
+        },
+
+        remove: function () {
+            this.tooltip.remove();
+            this.sizetip.remove();
+            this.sizetip = this.tooltip = undefined;
+            $(window).unbind('resize.jqs scroll.jqs');
+        }
+    });
+
+    initStyles = function() {
+        addCSS(defaultStyles);
+    };
+
+    $(initStyles);
+
+    pending = [];
+    $.fn.sparkline = function (userValues, userOptions) {
+        return this.each(function () {
+            var options = new $.fn.sparkline.options(this, userOptions),
+                 $this = $(this),
+                 render, i;
+            render = function () {
+                var values, width, height, tmp, mhandler, sp, vals;
+                if (userValues === 'html' || userValues === undefined) {
+                    vals = this.getAttribute(options.get('tagValuesAttribute'));
+                    if (vals === undefined || vals === null) {
+                        vals = $this.html();
+                    }
+                    values = vals.replace(/(^\s*<!--)|(-->\s*$)|\s+/g, '').split(',');
+                } else {
+                    values = userValues;
+                }
+
+                width = options.get('width') === 'auto' ? values.length * options.get('defaultPixelsPerValue') : options.get('width');
+                if (options.get('height') === 'auto') {
+                    if (!options.get('composite') || !$.data(this, '_jqs_vcanvas')) {
+                        // must be a better way to get the line height
+                        tmp = document.createElement('span');
+                        tmp.innerHTML = 'a';
+                        $this.html(tmp);
+                        height = $(tmp).innerHeight() || $(tmp).height();
+                        $(tmp).remove();
+                        tmp = null;
+                    }
+                } else {
+                    height = options.get('height');
+                }
+
+                if (!options.get('disableInteraction')) {
+                    mhandler = $.data(this, '_jqs_mhandler');
+                    if (!mhandler) {
+                        mhandler = new MouseHandler(this, options);
+                        $.data(this, '_jqs_mhandler', mhandler);
+                    } else if (!options.get('composite')) {
+                        mhandler.reset();
+                    }
+                } else {
+                    mhandler = false;
+                }
+
+                if (options.get('composite') && !$.data(this, '_jqs_vcanvas')) {
+                    if (!$.data(this, '_jqs_errnotify')) {
+                        alert('Attempted to attach a composite sparkline to an element with no existing sparkline');
+                        $.data(this, '_jqs_errnotify', true);
+                    }
+                    return;
+                }
+
+                sp = new $.fn.sparkline[options.get('type')](this, values, options, width, height);
+
+                sp.render();
+
+                if (mhandler) {
+                    mhandler.registerSparkline(sp);
+                }
+            };
+            if (($(this).html() && !options.get('disableHiddenCheck') && $(this).is(':hidden')) || !$(this).parents('body').length) {
+                if (!options.get('composite') && $.data(this, '_jqs_pending')) {
+                    // remove any existing references to the element
+                    for (i = pending.length; i; i--) {
+                        if (pending[i - 1][0] == this) {
+                            pending.splice(i - 1, 1);
+                        }
+                    }
+                }
+                pending.push([this, render]);
+                $.data(this, '_jqs_pending', true);
+            } else {
+                render.call(this);
+            }
+        });
+    };
+
+    $.fn.sparkline.defaults = getDefaults();
+
+
+    $.sparkline_display_visible = function () {
+        var el, i, pl;
+        var done = [];
+        for (i = 0, pl = pending.length; i < pl; i++) {
+            el = pending[i][0];
+            if ($(el).is(':visible') && !$(el).parents().is(':hidden')) {
+                pending[i][1].call(el);
+                $.data(pending[i][0], '_jqs_pending', false);
+                done.push(i);
+            } else if (!$(el).closest('html').length && !$.data(el, '_jqs_pending')) {
+                // element has been inserted and removed from the DOM
+                // If it was not yet inserted into the dom then the .data request
+                // will return true.
+                // removing from the dom causes the data to be removed.
+                $.data(pending[i][0], '_jqs_pending', false);
+                done.push(i);
+            }
+        }
+        for (i = done.length; i; i--) {
+            pending.splice(done[i - 1], 1);
+        }
+    };
+
+
+    /**
+     * User option handler
+     */
+    $.fn.sparkline.options = createClass({
+        init: function (tag, userOptions) {
+            var extendedOptions, defaults, base, tagOptionType;
+            this.userOptions = userOptions = userOptions || {};
+            this.tag = tag;
+            this.tagValCache = {};
+            defaults = $.fn.sparkline.defaults;
+            base = defaults.common;
+            this.tagOptionsPrefix = userOptions.enableTagOptions && (userOptions.tagOptionsPrefix || base.tagOptionsPrefix);
+
+            tagOptionType = this.getTagSetting('type');
+            if (tagOptionType === UNSET_OPTION) {
+                extendedOptions = defaults[userOptions.type || base.type];
+            } else {
+                extendedOptions = defaults[tagOptionType];
+            }
+            this.mergedOptions = $.extend({}, base, extendedOptions, userOptions);
+        },
+
+
+        getTagSetting: function (key) {
+            var prefix = this.tagOptionsPrefix,
+                val, i, pairs, keyval;
+            if (prefix === false || prefix === undefined) {
+                return UNSET_OPTION;
+            }
+            if (this.tagValCache.hasOwnProperty(key)) {
+                val = this.tagValCache.key;
+            } else {
+                val = this.tag.getAttribute(prefix + key);
+                if (val === undefined || val === null) {
+                    val = UNSET_OPTION;
+                } else if (val.substr(0, 1) === '[') {
+                    val = val.substr(1, val.length - 2).split(',');
+                    for (i = val.length; i--;) {
+                        val[i] = normalizeValue(val[i].replace(/(^\s*)|(\s*$)/g, ''));
+                    }
+                } else if (val.substr(0, 1) === '{') {
+                    pairs = val.substr(1, val.length - 2).split(',');
+                    val = {};
+                    for (i = pairs.length; i--;) {
+                        keyval = pairs[i].split(':', 2);
+                        val[keyval[0].replace(/(^\s*)|(\s*$)/g, '')] = normalizeValue(keyval[1].replace(/(^\s*)|(\s*$)/g, ''));
+                    }
+                } else {
+                    val = normalizeValue(val);
+                }
+                this.tagValCache.key = val;
+            }
+            return val;
+        },
+
+        get: function (key, defaultval) {
+            var tagOption = this.getTagSetting(key),
+                result;
+            if (tagOption !== UNSET_OPTION) {
+                return tagOption;
+            }
+            return (result = this.mergedOptions[key]) === undefined ? defaultval : result;
+        }
+    });
+
+
+    $.fn.sparkline._base = createClass({
+        disabled: false,
+
+        init: function (el, values, options, width, height) {
+            this.el = el;
+            this.$el = $(el);
+            this.values = values;
+            this.options = options;
+            this.width = width;
+            this.height = height;
+            this.currentRegion = undefined;
+        },
+
+        /**
+         * Setup the canvas
+         */
+        initTarget: function () {
+            var interactive = !this.options.get('disableInteraction');
+            if (!(this.target = this.$el.simpledraw(this.width, this.height, this.options.get('composite'), interactive))) {
+                this.disabled = true;
+            } else {
+                this.canvasWidth = this.target.pixelWidth;
+                this.canvasHeight = this.target.pixelHeight;
+            }
+        },
+
+        /**
+         * Actually render the chart to the canvas
+         */
+        render: function () {
+            if (this.disabled) {
+                this.el.innerHTML = '';
+                return false;
+            }
+            return true;
+        },
+
+        /**
+         * Return a region id for a given x/y co-ordinate
+         */
+        getRegion: function (x, y) {
+        },
+
+        /**
+         * Highlight an item based on the moused-over x,y co-ordinate
+         */
+        setRegionHighlight: function (el, x, y) {
+            var currentRegion = this.currentRegion,
+                highlightEnabled = !this.options.get('disableHighlight'),
+                newRegion;
+            if (x > this.canvasWidth || y > this.canvasHeight || x < 0 || y < 0) {
+                return null;
+            }
+            newRegion = this.getRegion(el, x, y);
+            if (currentRegion !== newRegion) {
+                if (currentRegion !== undefined && highlightEnabled) {
+                    this.removeHighlight();
+                }
+                this.currentRegion = newRegion;
+                if (newRegion !== undefined && highlightEnabled) {
+                    this.renderHighlight();
+                }
+                return true;
+            }
+            return false;
+        },
+
+        /**
+         * Reset any currently highlighted item
+         */
+        clearRegionHighlight: function () {
+            if (this.currentRegion !== undefined) {
+                this.removeHighlight();
+                this.currentRegion = undefined;
+                return true;
+            }
+            return false;
+        },
+
+        renderHighlight: function () {
+            this.changeHighlight(true);
+        },
+
+        removeHighlight: function () {
+            this.changeHighlight(false);
+        },
+
+        changeHighlight: function (highlight)  {},
+
+        /**
+         * Fetch the HTML to display as a tooltip
+         */
+        getCurrentRegionTooltip: function () {
+            var options = this.options,
+                header = '',
+                entries = [],
+                fields, formats, formatlen, fclass, text, i,
+                showFields, showFieldsKey, newFields, fv,
+                formatter, format, fieldlen, j;
+            if (this.currentRegion === undefined) {
+                return '';
+            }
+            fields = this.getCurrentRegionFields();
+            formatter = options.get('tooltipFormatter');
+            if (formatter) {
+                return formatter(this, options, fields);
+            }
+            if (options.get('tooltipChartTitle')) {
+                header += '<div class="jqs jqstitle">' + options.get('tooltipChartTitle') + '</div>\n';
+            }
+            formats = this.options.get('tooltipFormat');
+            if (!formats) {
+                return '';
+            }
+            if (!$.isArray(formats)) {
+                formats = [formats];
+            }
+            if (!$.isArray(fields)) {
+                fields = [fields];
+            }
+            showFields = this.options.get('tooltipFormatFieldlist');
+            showFieldsKey = this.options.get('tooltipFormatFieldlistKey');
+            if (showFields && showFieldsKey) {
+                // user-selected ordering of fields
+                newFields = [];
+                for (i = fields.length; i--;) {
+                    fv = fields[i][showFieldsKey];
+                    if ((j = $.inArray(fv, showFields)) != -1) {
+                        newFields[j] = fields[i];
+                    }
+                }
+                fields = newFields;
+            }
+            formatlen = formats.length;
+            fieldlen = fields.length;
+            for (i = 0; i < formatlen; i++) {
+                format = formats[i];
+                if (typeof format === 'string') {
+                    format = new SPFormat(format);
+                }
+                fclass = format.fclass || 'jqsfield';
+                for (j = 0; j < fieldlen; j++) {
+                    if (!fields[j].isNull || !options.get('tooltipSkipNull')) {
+                        $.extend(fields[j], {
+                            prefix: options.get('tooltipPrefix'),
+                            suffix: options.get('tooltipSuffix')
+                        });
+                        text = format.render(fields[j], options.get('tooltipValueLookups'), options);
+                        entries.push('<div class="' + fclass + '">' + text + '</div>');
+                    }
+                }
+            }
+            if (entries.length) {
+                return header + entries.join('\n');
+            }
+            return '';
+        },
+
+        getCurrentRegionFields: function () {},
+
+        calcHighlightColor: function (color, options) {
+            var highlightColor = options.get('highlightColor'),
+                lighten = options.get('highlightLighten'),
+                parse, mult, rgbnew, i;
+            if (highlightColor) {
+                return highlightColor;
+            }
+            if (lighten) {
+                // extract RGB values
+                parse = /^#([0-9a-f])([0-9a-f])([0-9a-f])$/i.exec(color) || /^#([0-9a-f]{2})([0-9a-f]{2})([0-9a-f]{2})$/i.exec(color);
+                if (parse) {
+                    rgbnew = [];
+                    mult = color.length === 4 ? 16 : 1;
+                    for (i = 0; i < 3; i++) {
+                        rgbnew[i] = clipval(Math.round(parseInt(parse[i + 1], 16) * mult * lighten), 0, 255);
+                    }
+                    return 'rgb(' + rgbnew.join(',') + ')';
+                }
+
+            }
+            return color;
+        }
+
+    });
+
+    barHighlightMixin = {
+        changeHighlight: function (highlight) {
+            var currentRegion = this.currentRegion,
+                target = this.target,
+                shapeids = this.regionShapes[currentRegion],
+                newShapes;
+            // will be null if the region value was null
+            if (shapeids) {
+                newShapes = this.renderRegion(currentRegion, highlight);
+                if ($.isArray(newShapes) || $.isArray(shapeids)) {
+                    target.replaceWithShapes(shapeids, newShapes);
+                    this.regionShapes[currentRegion] = $.map(newShapes, function (newShape) {
+                        return newShape.id;
+                    });
+                } else {
+                    target.replaceWithShape(shapeids, newShapes);
+                    this.regionShapes[currentRegion] = newShapes.id;
+                }
+            }
+        },
+
+        render: function () {
+            var values = this.values,
+                target = this.target,
+                regionShapes = this.regionShapes,
+                shapes, ids, i, j;
+
+            if (!this.cls._super.render.call(this)) {
+                return;
+            }
+            for (i = values.length; i--;) {
+                shapes = this.renderRegion(i);
+                if (shapes) {
+                    if ($.isArray(shapes)) {
+                        ids = [];
+                        for (j = shapes.length; j--;) {
+                            shapes[j].append();
+                            ids.push(shapes[j].id);
+                        }
+                        regionShapes[i] = ids;
+                    } else {
+                        shapes.append();
+                        regionShapes[i] = shapes.id; // store just the shapeid
+                    }
+                } else {
+                    // null value
+                    regionShapes[i] = null;
+                }
+            }
+            target.render();
+        }
+    };
+
+    /**
+     * Line charts
+     */
+    $.fn.sparkline.line = line = createClass($.fn.sparkline._base, {
+        type: 'line',
+
+        init: function (el, values, options, width, height) {
+            line._super.init.call(this, el, values, options, width, height);
+            this.vertices = [];
+            this.regionMap = [];
+            this.xvalues = [];
+            this.yvalues = [];
+            this.yminmax = [];
+            this.hightlightSpotId = null;
+            this.lastShapeId = null;
+            this.initTarget();
+        },
+
+        getRegion: function (el, x, y) {
+            var i,
+                regionMap = this.regionMap; // maps regions to value positions
+            for (i = regionMap.length; i--;) {
+                if (regionMap[i] !== null && x >= regionMap[i][0] && x <= regionMap[i][1]) {
+                    return regionMap[i][2];
+                }
+            }
+            return undefined;
+        },
+
+        getCurrentRegionFields: function () {
+            var currentRegion = this.currentRegion;
+            return {
+                isNull: this.yvalues[currentRegion] === null,
+                x: this.xvalues[currentRegion],
+                y: this.yvalues[currentRegion],
+                color: this.options.get('lineColor'),
+                fillColor: this.options.get('fillColor'),
+                offset: currentRegion
+            };
+        },
+
+        renderHighlight: function () {
+            var currentRegion = this.currentRegion,
+                target = this.target,
+                vertex = this.vertices[currentRegion],
+                options = this.options,
+                spotRadius = options.get('spotRadius'),
+                highlightSpotColor = options.get('highlightSpotColor'),
+                highlightLineColor = options.get('highlightLineColor'),
+                highlightSpot, highlightLine;
+
+            if (!vertex) {
+                return;
+            }
+            if (spotRadius && highlightSpotColor) {
+                highlightSpot = target.drawCircle(vertex[0], vertex[1],
+                    spotRadius, undefined, highlightSpotColor);
+                this.highlightSpotId = highlightSpot.id;
+                target.insertAfterShape(this.lastShapeId, highlightSpot);
+            }
+            if (highlightLineColor) {
+                highlightLine = target.drawLine(vertex[0], this.canvasTop, vertex[0],
+                    this.canvasTop + this.canvasHeight, highlightLineColor);
+                this.highlightLineId = highlightLine.id;
+                target.insertAfterShape(this.lastShapeId, highlightLine);
+            }
+        },
+
+        removeHighlight: function () {
+            var target = this.target;
+            if (this.highlightSpotId) {
+                target.removeShapeId(this.highlightSpotId);
+                this.highlightSpotId = null;
+            }
+            if (this.highlightLineId) {
+                target.removeShapeId(this.highlightLineId);
+                this.highlightLineId = null;
+            }
+        },
+
+        scanValues: function () {
+            var values = this.values,
+                valcount = values.length,
+                xvalues = this.xvalues,
+                yvalues = this.yvalues,
+                yminmax = this.yminmax,
+                i, val, isStr, isArray, sp;
+            for (i = 0; i < valcount; i++) {
+                val = values[i];
+                isStr = typeof(values[i]) === 'string';
+                isArray = typeof(values[i]) === 'object' && values[i] instanceof Array;
+                sp = isStr && values[i].split(':');
+                if (isStr && sp.length === 2) { // x:y
+                    xvalues.push(Number(sp[0]));
+                    yvalues.push(Number(sp[1]));
+                    yminmax.push(Number(sp[1]));
+                } else if (isArray) {
+                    xvalues.push(val[0]);
+                    yvalues.push(val[1]);
+                    yminmax.push(val[1]);
+                } else {
+                    xvalues.push(i);
+                    if (values[i] === null || values[i] === 'null') {
+                        yvalues.push(null);
+                    } else {
+                        yvalues.push(Number(val));
+                        yminmax.push(Number(val));
+                    }
+                }
+            }
+            if (this.options.get('xvalues')) {
+                xvalues = this.options.get('xvalues');
+            }
+
+            this.maxy = this.maxyorg = Math.max.apply(Math, yminmax);
+            this.miny = this.minyorg = Math.min.apply(Math, yminmax);
+
+            this.maxx = Math.max.apply(Math, xvalues);
+            this.minx = Math.min.apply(Math, xvalues);
+
+            this.xvalues = xvalues;
+            this.yvalues = yvalues;
+            this.yminmax = yminmax;
+
+        },
+
+        processRangeOptions: function () {
+            var options = this.options,
+                normalRangeMin = options.get('normalRangeMin'),
+                normalRangeMax = options.get('normalRangeMax');
+
+            if (normalRangeMin !== undefined) {
+                if (normalRangeMin < this.miny) {
+                    this.miny = normalRangeMin;
+                }
+                if (normalRangeMax > this.maxy) {
+                    this.maxy = normalRangeMax;
+                }
+            }
+            if (options.get('chartRangeMin') !== undefined && (options.get('chartRangeClip') || options.get('chartRangeMin') < this.miny)) {
+                this.miny = options.get('chartRangeMin');
+            }
+            if (options.get('chartRangeMax') !== undefined && (options.get('chartRangeClip') || options.get('chartRangeMax') > this.maxy)) {
+                this.maxy = options.get('chartRangeMax');
+            }
+            if (options.get('chartRangeMinX') !== undefined && (options.get('chartRangeClipX') || options.get('chartRangeMinX') < this.minx)) {
+                this.minx = options.get('chartRangeMinX');
+            }
+            if (options.get('chartRangeMaxX') !== undefined && (options.get('chartRangeClipX') || options.get('chartRangeMaxX') > this.maxx)) {
+                this.maxx = options.get('chartRangeMaxX');
+            }
+
+        },
+
+        drawNormalRange: function (canvasLeft, canvasTop, canvasHeight, canvasWidth, rangey) {
+            var normalRangeMin = this.options.get('normalRangeMin'),
+                normalRangeMax = this.options.get('normalRangeMax'),
+                ytop = canvasTop + Math.round(canvasHeight - (canvasHeight * ((normalRangeMax - this.miny) / rangey))),
+                height = Math.round((canvasHeight * (normalRangeMax - normalRangeMin)) / rangey);
+            this.target.drawRect(canvasLeft, ytop, canvasWidth, height, undefined, this.options.get('normalRangeColor')).append();
+        },
+
+        render: function () {
+            var options = this.options,
+                target = this.target,
+                canvasWidth = this.canvasWidth,
+                canvasHeight = this.canvasHeight,
+                vertices = this.vertices,
+                spotRadius = options.get('spotRadius'),
+                regionMap = this.regionMap,
+                rangex, rangey, yvallast,
+                canvasTop, canvasLeft,
+                vertex, path, paths, x, y, xnext, xpos, xposnext,
+                last, next, yvalcount, lineShapes, fillShapes, plen,
+                valueSpots, hlSpotsEnabled, color, xvalues, yvalues, i;
+
+            if (!line._super.render.call(this)) {
+                return;
+            }
+
+            this.scanValues();
+            this.processRangeOptions();
+
+            xvalues = this.xvalues;
+            yvalues = this.yvalues;
+
+            if (!this.yminmax.length || this.yvalues.length < 2) {
+                // empty or all null valuess
+                return;
+            }
+
+            canvasTop = canvasLeft = 0;
+
+            rangex = this.maxx - this.minx === 0 ? 1 : this.maxx - this.minx;
+            rangey = this.maxy - this.miny === 0 ? 1 : this.maxy - this.miny;
+            yvallast = this.yvalues.length - 1;
+
+            if (spotRadius && (canvasWidth < (spotRadius * 4) || canvasHeight < (spotRadius * 4))) {
+                spotRadius = 0;
+            }
+            if (spotRadius) {
+                // adjust the canvas size as required so that spots will fit
+                hlSpotsEnabled = options.get('highlightSpotColor') &&  !options.get('disableInteraction');
+                if (hlSpotsEnabled || options.get('minSpotColor') || (options.get('spotColor') && yvalues[yvallast] === this.miny)) {
+                    canvasHeight -= Math.ceil(spotRadius);
+                }
+                if (hlSpotsEnabled || options.get('maxSpotColor') || (options.get('spotColor') && yvalues[yvallast] === this.maxy)) {
+                    canvasHeight -= Math.ceil(spotRadius);
+                    canvasTop += Math.ceil(spotRadius);
+                }
+                if (hlSpotsEnabled ||
+                     ((options.get('minSpotColor') || options.get('maxSpotColor')) && (yvalues[0] === this.miny || yvalues[0] === this.maxy))) {
+                    canvasLeft += Math.ceil(spotRadius);
+                    canvasWidth -= Math.ceil(spotRadius);
+                }
+                if (hlSpotsEnabled || options.get('spotColor') ||
+                    (options.get('minSpotColor') || options.get('maxSpotColor') &&
+                        (yvalues[yvallast] === this.miny || yvalues[yvallast] === this.maxy))) {
+                    canvasWidth -= Math.ceil(spotRadius);
+                }
+            }
+
+
+            canvasHeight--;
+
+            if (options.get('normalRangeMin') !== undefined && !options.get('drawNormalOnTop')) {
+                this.drawNormalRange(canvasLeft, canvasTop, canvasHeight, canvasWidth, rangey);
+            }
+
+            path = [];
+            paths = [path];
+            last = next = null;
+            yvalcount = yvalues.length;
+            for (i = 0; i < yvalcount; i++) {
+                x = xvalues[i];
+                xnext = xvalues[i + 1];
+                y = yvalues[i];
+                xpos = canvasLeft + Math.round((x - this.minx) * (canvasWidth / rangex));
+                xposnext = i < yvalcount - 1 ? canvasLeft + Math.round((xnext - this.minx) * (canvasWidth / rangex)) : canvasWidth;
+                next = xpos + ((xposnext - xpos) / 2);
+                regionMap[i] = [last || 0, next, i];
+                last = next;
+                if (y === null) {
+                    if (i) {
+                        if (yvalues[i - 1] !== null) {
+                            path = [];
+                            paths.push(path);
+                        }
+                        vertices.push(null);
+                    }
+                } else {
+                    if (y < this.miny) {
+                        y = this.miny;
+                    }
+                    if (y > this.maxy) {
+                        y = this.maxy;
+                    }
+                    if (!path.length) {
+                        // previous value was null
+                        path.push([xpos, canvasTop + canvasHeight]);
+                    }
+                    vertex = [xpos, canvasTop + Math.round(canvasHeight - (canvasHeight * ((y - this.miny) / rangey)))];
+                    path.push(vertex);
+                    vertices.push(vertex);
+                }
+            }
+
+            lineShapes = [];
+            fillShapes = [];
+            plen = paths.length;
+            for (i = 0; i < plen; i++) {
+                path = paths[i];
+                if (path.length) {
+                    if (options.get('fillColor')) {
+                        path.push([path[path.length - 1][0], (canvasTop + canvasHeight)]);
+                        fillShapes.push(path.slice(0));
+                        path.pop();
+                    }
+                    // if there's only a single point in this path, then we want to display it
+                    // as a vertical line which means we keep path[0]  as is
+                    if (path.length > 2) {
+                        // else we want the first value
+                        path[0] = [path[0][0], path[1][1]];
+                    }
+                    lineShapes.push(path);
+                }
+            }
+
+            // draw the fill first, then optionally the normal range, then the line on top of that
+            plen = fillShapes.length;
+            for (i = 0; i < plen; i++) {
+                target.drawShape(fillShapes[i],
+                    options.get('fillColor'), options.get('fillColor')).append();
+            }
+
+            if (options.get('normalRangeMin') !== undefined && options.get('drawNormalOnTop')) {
+                this.drawNormalRange(canvasLeft, canvasTop, canvasHeight, canvasWidth, rangey);
+            }
+
+            plen = lineShapes.length;
+            for (i = 0; i < plen; i++) {
+                target.drawShape(lineShapes[i], options.get('lineColor'), undefined,
+                    options.get('lineWidth')).append();
+            }
+
+            if (spotRadius && options.get('valueSpots')) {
+                valueSpots = options.get('valueSpots');
+                if (valueSpots.get === undefined) {
+                    valueSpots = new RangeMap(valueSpots);
+                }
+                for (i = 0; i < yvalcount; i++) {
+                    color = valueSpots.get(yvalues[i]);
+                    if (color) {
+                        target.drawCircle(canvasLeft + Math.round((xvalues[i] - this.minx) * (canvasWidth / rangex)),
+                            canvasTop + Math.round(canvasHeight - (canvasHeight * ((yvalues[i] - this.miny) / rangey))),
+                            spotRadius, undefined,
+                            color).append();
+                    }
+                }
+
+            }
+            if (spotRadius && options.get('spotColor') && yvalues[yvallast] !== null) {
+                target.drawCircle(canvasLeft + Math.round((xvalues[xvalues.length - 1] - this.minx) * (canvasWidth / rangex)),
+                    canvasTop + Math.round(canvasHeight - (canvasHeight * ((yvalues[yvallast] - this.miny) / rangey))),
+                    spotRadius, undefined,
+                    options.get('spotColor')).append();
+            }
+            if (this.maxy !== this.minyorg) {
+                if (spotRadius && options.get('minSpotColor')) {
+                    x = xvalues[$.inArray(this.minyorg, yvalues)];
+                    target.drawCircle(canvasLeft + Math.round((x - this.minx) * (canvasWidth / rangex)),
+                        canvasTop + Math.round(canvasHeight - (canvasHeight * ((this.minyorg - this.miny) / rangey))),
+                        spotRadius, undefined,
+                        options.get('minSpotColor')).append();
+                }
+                if (spotRadius && options.get('maxSpotColor')) {
+                    x = xvalues[$.inArray(this.maxyorg, yvalues)];
+                    target.drawCircle(canvasLeft + Math.round((x - this.minx) * (canvasWidth / rangex)),
+                        canvasTop + Math.round(canvasHeight - (canvasHeight * ((this.maxyorg - this.miny) / rangey))),
+                        spotRadius, undefined,
+                        options.get('maxSpotColor')).append();
+                }
+            }
+
+            this.lastShapeId = target.getLastShapeId();
+            this.canvasTop = canvasTop;
+            target.render();
+        }
+    });
+
+    /**
+     * Bar charts
+     */
+    $.fn.sparkline.bar = bar = createClass($.fn.sparkline._base, barHighlightMixin, {
+        type: 'bar',
+
+        init: function (el, values, options, width, height) {
+            var barWidth = parseInt(options.get('barWidth'), 10),
+                barSpacing = parseInt(options.get('barSpacing'), 10),
+                chartRangeMin = options.get('chartRangeMin'),
+                chartRangeMax = options.get('chartRangeMax'),
+                chartRangeClip = options.get('chartRangeClip'),
+                stackMin = Infinity,
+                stackMax = -Infinity,
+                isStackString, groupMin, groupMax, stackRanges,
+                numValues, i, vlen, range, zeroAxis, xaxisOffset, min, max, clipMin, clipMax,
+                stacked, vlist, j, slen, svals, val, yoffset, yMaxCalc, canvasHeightEf;
+            bar._super.init.call(this, el, values, options, width, height);
+
+            // scan values to determine whether to stack bars
+            for (i = 0, vlen = values.length; i < vlen; i++) {
+                val = values[i];
+                isStackString = typeof(val) === 'string' && val.indexOf(':') > -1;
+                if (isStackString || $.isArray(val)) {
+                    stacked = true;
+                    if (isStackString) {
+                        val = values[i] = normalizeValues(val.split(':'));
+                    }
+                    val = remove(val, null); // min/max will treat null as zero
+                    groupMin = Math.min.apply(Math, val);
+                    groupMax = Math.max.apply(Math, val);
+                    if (groupMin < stackMin) {
+                        stackMin = groupMin;
+                    }
+                    if (groupMax > stackMax) {
+                        stackMax = groupMax;
+                    }
+                }
+            }
+
+            this.stacked = stacked;
+            this.regionShapes = {};
+            this.barWidth = barWidth;
+            this.barSpacing = barSpacing;
+            this.totalBarWidth = barWidth + barSpacing;
+            this.width = width = (values.length * barWidth) + ((values.length - 1) * barSpacing);
+
+            this.initTarget();
+
+            if (chartRangeClip) {
+                clipMin = chartRangeMin === undefined ? -Infinity : chartRangeMin;
+                clipMax = chartRangeMax === undefined ? Infinity : chartRangeMax;
+            }
+
+            numValues = [];
+            stackRanges = stacked ? [] : numValues;
+            var stackTotals = [];
+            var stackRangesNeg = [];
+            for (i = 0, vlen = values.length; i < vlen; i++) {
+                if (stacked) {
+                    vlist = values[i];
+                    values[i] = svals = [];
+                    stackTotals[i] = 0;
+                    stackRanges[i] = stackRangesNeg[i] = 0;
+                    for (j = 0, slen = vlist.length; j < slen; j++) {
+                        val = svals[j] = chartRangeClip ? clipval(vlist[j], clipMin, clipMax) : vlist[j];
+                        if (val !== null) {
+                            if (val > 0) {
+                                stackTotals[i] += val;
+                            }
+                            if (stackMin < 0 && stackMax > 0) {
+                                if (val < 0) {
+                                    stackRangesNeg[i] += Math.abs(val);
+                                } else {
+                                    stackRanges[i] += val;
+                                }
+                            } else {
+                                stackRanges[i] += Math.abs(val - (val < 0 ? stackMax : stackMin));
+                            }
+                            numValues.push(val);
+                        }
+                    }
+                } else {
+                    val = chartRangeClip ? clipval(values[i], clipMin, clipMax) : values[i];
+                    val = values[i] = normalizeValue(val);
+                    if (val !== null) {
+                        numValues.push(val);
+                    }
+                }
+            }
+            this.max = max = Math.max.apply(Math, numValues);
+            this.min = min = Math.min.apply(Math, numValues);
+            this.stackMax = stackMax = stacked ? Math.max.apply(Math, stackTotals) : max;
+            this.stackMin = stackMin = stacked ? Math.min.apply(Math, numValues) : min;
+
+            if (options.get('chartRangeMin') !== undefined && (options.get('chartRangeClip') || options.get('chartRangeMin') < min)) {
+                min = options.get('chartRangeMin');
+            }
+            if (options.get('chartRangeMax') !== undefined && (options.get('chartRangeClip') || options.get('chartRangeMax') > max)) {
+                max = options.get('chartRangeMax');
+            }
+
+            this.zeroAxis = zeroAxis = options.get('zeroAxis', true);
+            if (min <= 0 && max >= 0 && zeroAxis) {
+                xaxisOffset = 0;
+            } else if (zeroAxis == false) {
+                xaxisOffset = min;
+            } else if (min > 0) {
+                xaxisOffset = min;
+            } else {
+                xaxisOffset = max;
+            }
+            this.xaxisOffset = xaxisOffset;
+
+            range = stacked ? (Math.max.apply(Math, stackRanges) + Math.max.apply(Math, stackRangesNeg)) : max - min;
+
+            // as we plot zero/min values a single pixel line, we add a pixel to all other
+            // values - Reduce the effective canvas size to suit
+            this.canvasHeightEf = (zeroAxis && min < 0) ? this.canvasHeight - 2 : this.canvasHeight - 1;
+
+            if (min < xaxisOffset) {
+                yMaxCalc = (stacked && max >= 0) ? stackMax : max;
+                yoffset = (yMaxCalc - xaxisOffset) / range * this.canvasHeight;
+                if (yoffset !== Math.ceil(yoffset)) {
+                    this.canvasHeightEf -= 2;
+                    yoffset = Math.ceil(yoffset);
+                }
+            } else {
+                yoffset = this.canvasHeight;
+            }
+            this.yoffset = yoffset;
+
+            if ($.isArray(options.get('colorMap'))) {
+                this.colorMapByIndex = options.get('colorMap');
+                this.colorMapByValue = null;
+            } else {
+                this.colorMapByIndex = null;
+                this.colorMapByValue = options.get('colorMap');
+                if (this.colorMapByValue && this.colorMapByValue.get === undefined) {
+                    this.colorMapByValue = new RangeMap(this.colorMapByValue);
+                }
+            }
+
+            this.range = range;
+        },
+
+        getRegion: function (el, x, y) {
+            var result = Math.floor(x / this.totalBarWidth);
+            return (result < 0 || result >= this.values.length) ? undefined : result;
+        },
+
+        getCurrentRegionFields: function () {
+            var currentRegion = this.currentRegion,
+                values = ensureArray(this.values[currentRegion]),
+                result = [],
+                value, i;
+            for (i = values.length; i--;) {
+                value = values[i];
+                result.push({
+                    isNull: value === null,
+                    value: value,
+                    color: this.calcColor(i, value, currentRegion),
+                    offset: currentRegion
+                });
+            }
+            return result;
+        },
+
+        calcColor: function (stacknum, value, valuenum) {
+            var colorMapByIndex = this.colorMapByIndex,
+                colorMapByValue = this.colorMapByValue,
+                options = this.options,
+                color, newColor;
+            if (this.stacked) {
+                color = options.get('stackedBarColor');
+            } else {
+                color = (value < 0) ? options.get('negBarColor') : options.get('barColor');
+            }
+            if (value === 0 && options.get('zeroColor') !== undefined) {
+                color = options.get('zeroColor');
+            }
+            if (colorMapByValue && (newColor = colorMapByValue.get(value))) {
+                color = newColor;
+            } else if (colorMapByIndex && colorMapByIndex.length > valuenum) {
+                color = colorMapByIndex[valuenum];
+            }
+            return $.isArray(color) ? color[stacknum % color.length] : color;
+        },
+
+        /**
+         * Render bar(s) for a region
+         */
+        renderRegion: function (valuenum, highlight) {
+            var vals = this.values[valuenum],
+                options = this.options,
+                xaxisOffset = this.xaxisOffset,
+                result = [],
+                range = this.range,
+                stacked = this.stacked,
+                target = this.target,
+                x = valuenum * this.totalBarWidth,
+                canvasHeightEf = this.canvasHeightEf,
+                yoffset = this.yoffset,
+                y, height, color, isNull, yoffsetNeg, i, valcount, val, minPlotted, allMin;
+
+            vals = $.isArray(vals) ? vals : [vals];
+            valcount = vals.length;
+            val = vals[0];
+            isNull = all(null, vals);
+            allMin = all(xaxisOffset, vals, true);
+
+            if (isNull) {
+                if (options.get('nullColor')) {
+                    color = highlight ? options.get('nullColor') : this.calcHighlightColor(options.get('nullColor'), options);
+                    y = (yoffset > 0) ? yoffset - 1 : yoffset;
+                    return target.drawRect(x, y, this.barWidth - 1, 0, color, color);
+                } else {
+                    return undefined;
+                }
+            }
+            yoffsetNeg = yoffset;
+            for (i = 0; i < valcount; i++) {
+                val = vals[i];
+
+                if (stacked && val === xaxisOffset) {
+                    if (!allMin || minPlotted) {
+                        continue;
+                    }
+                    minPlotted = true;
+                }
+
+                if (range > 0) {
+                    height = Math.floor(canvasHeightEf * ((Math.abs(val - xaxisOffset) / range))) + 1;
+                } else {
+                    height = 1;
+                }
+                if (val < xaxisOffset || (val === xaxisOffset && yoffset === 0)) {
+                    y = yoffsetNeg;
+                    yoffsetNeg += height;
+                } else {
+                    y = yoffset - height;
+                    yoffset -= height;
+                }
+                color = this.calcColor(i, val, valuenum);
+                if (highlight) {
+                    color = this.calcHighlightColor(color, options);
+                }
+                result.push(target.drawRect(x, y, this.barWidth - 1, height - 1, color, color));
+            }
+            if (result.length === 1) {
+                return result[0];
+            }
+            return result;
+        }
+    });
+
+    /**
+     * Tristate charts
+     */
+    $.fn.sparkline.tristate = tristate = createClass($.fn.sparkline._base, barHighlightMixin, {
+        type: 'tristate',
+
+        init: function (el, values, options, width, height) {
+            var barWidth = parseInt(options.get('barWidth'), 10),
+                barSpacing = parseInt(options.get('barSpacing'), 10);
+            tristate._super.init.call(this, el, values, options, width, height);
+
+            this.regionShapes = {};
+            this.barWidth = barWidth;
+            this.barSpacing = barSpacing;
+            this.totalBarWidth = barWidth + barSpacing;
+            this.values = $.map(values, Number);
+            this.width = width = (values.length * barWidth) + ((values.length - 1) * barSpacing);
+
+            if ($.isArray(options.get('colorMap'))) {
+                this.colorMapByIndex = options.get('colorMap');
+                this.colorMapByValue = null;
+            } else {
+                this.colorMapByIndex = null;
+                this.colorMapByValue = options.get('colorMap');
+                if (this.colorMapByValue && this.colorMapByValue.get === undefined) {
+                    this.colorMapByValue = new RangeMap(this.colorMapByValue);
+                }
+            }
+            this.initTarget();
+        },
+
+        getRegion: function (el, x, y) {
+            return Math.floor(x / this.totalBarWidth);
+        },
+
+        getCurrentRegionFields: function () {
+            var currentRegion = this.currentRegion;
+            return {
+                isNull: this.values[currentRegion] === undefined,
+                value: this.values[currentRegion],
+                color: this.calcColor(this.values[currentRegion], currentRegion),
+                offset: currentRegion
+            };
+        },
+
+        calcColor: function (value, valuenum) {
+            var values = this.values,
+                options = this.options,
+                colorMapByIndex = this.colorMapByIndex,
+                colorMapByValue = this.colorMapByValue,
+                color, newColor;
+
+            if (colorMapByValue && (newColor = colorMapByValue.get(value))) {
+                color = newColor;
+            } else if (colorMapByIndex && colorMapByIndex.length > valuenum) {
+                color = colorMapByIndex[valuenum];
+            } else if (values[valuenum] < 0) {
+                color = options.get('negBarColor');
+            } else if (values[valuenum] > 0) {
+                color = options.get('posBarColor');
+            } else {
+                color = options.get('zeroBarColor');
+            }
+            return color;
+        },
+
+        renderRegion: function (valuenum, highlight) {
+            var values = this.values,
+                options = this.options,
+                target = this.target,
+                canvasHeight, height, halfHeight,
+                x, y, color;
+
+            canvasHeight = target.pixelHeight;
+            halfHeight = Math.round(canvasHeight / 2);
+
+            x = valuenum * this.totalBarWidth;
+            if (values[valuenum] < 0) {
+                y = halfHeight;
+                height = halfHeight - 1;
+            } else if (values[valuenum] > 0) {
+                y = 0;
+                height = halfHeight - 1;
+            } else {
+                y = halfHeight - 1;
+                height = 2;
+            }
+            color = this.calcColor(values[valuenum], valuenum);
+            if (color === null) {
+                return;
+            }
+            if (highlight) {
+                color = this.calcHighlightColor(color, options);
+            }
+            return target.drawRect(x, y, this.barWidth - 1, height - 1, color, color);
+        }
+    });
+
+    /**
+     * Discrete charts
+     */
+    $.fn.sparkline.discrete = discrete = createClass($.fn.sparkline._base, barHighlightMixin, {
+        type: 'discrete',
+
+        init: function (el, values, options, width, height) {
+            discrete._super.init.call(this, el, values, options, width, height);
+
+            this.regionShapes = {};
+            this.values = values = $.map(values, Number);
+            this.min = Math.min.apply(Math, values);
+            this.max = Math.max.apply(Math, values);
+            this.range = this.max - this.min;
+            this.width = width = options.get('width') === 'auto' ? values.length * 2 : this.width;
+            this.interval = Math.floor(width / values.length);
+            this.itemWidth = width / values.length;
+            if (options.get('chartRangeMin') !== undefined && (options.get('chartRangeClip') || options.get('chartRangeMin') < this.min)) {
+                this.min = options.get('chartRangeMin');
+            }
+            if (options.get('chartRangeMax') !== undefined && (options.get('chartRangeClip') || options.get('chartRangeMax') > this.max)) {
+                this.max = options.get('chartRangeMax');
+            }
+            this.initTarget();
+            if (this.target) {
+                this.lineHeight = options.get('lineHeight') === 'auto' ? Math.round(this.canvasHeight * 0.3) : options.get('lineHeight');
+            }
+        },
+
+        getRegion: function (el, x, y) {
+            return Math.floor(x / this.itemWidth);
+        },
+
+        getCurrentRegionFields: function () {
+            var currentRegion = this.currentRegion;
+            return {
+                isNull: this.values[currentRegion] === undefined,
+                value: this.values[currentRegion],
+                offset: currentRegion
+            };
+        },
+
+        renderRegion: function (valuenum, highlight) {
+            var values = this.values,
+                options = this.options,
+                min = this.min,
+                max = this.max,
+                range = this.range,
+                interval = this.interval,
+                target = this.target,
+                canvasHeight = this.canvasHeight,
+                lineHeight = this.lineHeight,
+                pheight = canvasHeight - lineHeight,
+                ytop, val, color, x;
+
+            val = clipval(values[valuenum], min, max);
+            x = valuenum * interval;
+            ytop = Math.round(pheight - pheight * ((val - min) / range));
+            color = (options.get('thresholdColor') && val < options.get('thresholdValue')) ? options.get('thresholdColor') : options.get('lineColor');
+            if (highlight) {
+                color = this.calcHighlightColor(color, options);
+            }
+            return target.drawLine(x, ytop, x, ytop + lineHeight, color);
+        }
+    });
+
+    /**
+     * Bullet charts
+     */
+    $.fn.sparkline.bullet = bullet = createClass($.fn.sparkline._base, {
+        type: 'bullet',
+
+        init: function (el, values, options, width, height) {
+            var min, max, vals;
+            bullet._super.init.call(this, el, values, options, width, height);
+
+            // values: target, performance, range1, range2, range3
+            this.values = values = normalizeValues(values);
+            // target or performance could be null
+            vals = values.slice();
+            vals[0] = vals[0] === null ? vals[2] : vals[0];
+            vals[1] = values[1] === null ? vals[2] : vals[1];
+            min = Math.min.apply(Math, values);
+            max = Math.max.apply(Math, values);
+            if (options.get('base') === undefined) {
+                min = min < 0 ? min : 0;
+            } else {
+                min = options.get('base');
+            }
+            this.min = min;
+            this.max = max;
+            this.range = max - min;
+            this.shapes = {};
+            this.valueShapes = {};
+            this.regiondata = {};
+            this.width = width = options.get('width') === 'auto' ? '4.0em' : width;
+            this.target = this.$el.simpledraw(width, height, options.get('composite'));
+            if (!values.length) {
+                this.disabled = true;
+            }
+            this.initTarget();
+        },
+
+        getRegion: function (el, x, y) {
+            var shapeid = this.target.getShapeAt(el, x, y);
+            return (shapeid !== undefined && this.shapes[shapeid] !== undefined) ? this.shapes[shapeid] : undefined;
+        },
+
+        getCurrentRegionFields: function () {
+            var currentRegion = this.currentRegion;
+            return {
+                fieldkey: currentRegion.substr(0, 1),
+                value: this.values[currentRegion.substr(1)],
+                region: currentRegion
+            };
+        },
+
+        changeHighlight: function (highlight) {
+            var currentRegion = this.currentRegion,
+                shapeid = this.valueShapes[currentRegion],
+                shape;
+            delete this.shapes[shapeid];
+            switch (currentRegion.substr(0, 1)) {
+                case 'r':
+                    shape = this.renderRange(currentRegion.substr(1), highlight);
+                    break;
+                case 'p':
+                    shape = this.renderPerformance(highlight);
+                    break;
+                case 't':
+                    shape = this.renderTarget(highlight);
+                    break;
+            }
+            this.valueShapes[currentRegion] = shape.id;
+            this.shapes[shape.id] = currentRegion;
+            this.target.replaceWithShape(shapeid, shape);
+        },
+
+        renderRange: function (rn, highlight) {
+            var rangeval = this.values[rn],
+                rangewidth = Math.round(this.canvasWidth * ((rangeval - this.min) / this.range)),
+                color = this.options.get('rangeColors')[rn - 2];
+            if (highlight) {
+                color = this.calcHighlightColor(color, this.options);
+            }
+            return this.target.drawRect(0, 0, rangewidth - 1, this.canvasHeight - 1, color, color);
+        },
+
+        renderPerformance: function (highlight) {
+            var perfval = this.values[1],
+                perfwidth = Math.round(this.canvasWidth * ((perfval - this.min) / this.range)),
+                color = this.options.get('performanceColor');
+            if (highlight) {
+                color = this.calcHighlightColor(color, this.options);
+            }
+            return this.target.drawRect(0, Math.round(this.canvasHeight * 0.3), perfwidth - 1,
+                Math.round(this.canvasHeight * 0.4) - 1, color, color);
+        },
+
+        renderTarget: function (highlight) {
+            var targetval = this.values[0],
+                x = Math.round(this.canvasWidth * ((targetval - this.min) / this.range) - (this.options.get('targetWidth') / 2)),
+                targettop = Math.round(this.canvasHeight * 0.10),
+                targetheight = this.canvasHeight - (targettop * 2),
+                color = this.options.get('targetColor');
+            if (highlight) {
+                color = this.calcHighlightColor(color, this.options);
+            }
+            return this.target.drawRect(x, targettop, this.options.get('targetWidth') - 1, targetheight - 1, color, color);
+        },
+
+        render: function () {
+            var vlen = this.values.length,
+                target = this.target,
+                i, shape;
+            if (!bullet._super.render.call(this)) {
+                return;
+            }
+            for (i = 2; i < vlen; i++) {
+                shape = this.renderRange(i).append();
+                this.shapes[shape.id] = 'r' + i;
+                this.valueShapes['r' + i] = shape.id;
+            }
+            if (this.values[1] !== null) {
+                shape = this.renderPerformance().append();
+                this.shapes[shape.id] = 'p1';
+                this.valueShapes.p1 = shape.id;
+            }
+            if (this.values[0] !== null) {
+                shape = this.renderTarget().append();
+                this.shapes[shape.id] = 't0';
+                this.valueShapes.t0 = shape.id;
+            }
+            target.render();
+        }
+    });
+
+    /**
+     * Pie charts
+     */
+    $.fn.sparkline.pie = pie = createClass($.fn.sparkline._base, {
+        type: 'pie',
+
+        init: function (el, values, options, width, height) {
+            var total = 0, i;
+
+            pie._super.init.call(this, el, values, options, width, height);
+
+            this.shapes = {}; // map shape ids to value offsets
+            this.valueShapes = {}; // maps value offsets to shape ids
+            this.values = values = $.map(values, Number);
+
+            if (options.get('width') === 'auto') {
+                this.width = this.height;
+            }
+
+            if (values.length > 0) {
+                for (i = values.length; i--;) {
+                    total += values[i];
+                }
+            }
+            this.total = total;
+            this.initTarget();
+            this.radius = Math.floor(Math.min(this.canvasWidth, this.canvasHeight) / 2);
+        },
+
+        getRegion: function (el, x, y) {
+            var shapeid = this.target.getShapeAt(el, x, y);
+            return (shapeid !== undefined && this.shapes[shapeid] !== undefined) ? this.shapes[shapeid] : undefined;
+        },
+
+        getCurrentRegionFields: function () {
+            var currentRegion = this.currentRegion;
+            return {
+                isNull: this.values[currentRegion] === undefined,
+                value: this.values[currentRegion],
+                percent: this.values[currentRegion] / this.total * 100,
+                color: this.options.get('sliceColors')[currentRegion % this.options.get('sliceColors').length],
+                offset: currentRegion
+            };
+        },
+
+        changeHighlight: function (highlight) {
+            var currentRegion = this.currentRegion,
+                 newslice = this.renderSlice(currentRegion, highlight),
+                 shapeid = this.valueShapes[currentRegion];
+            delete this.shapes[shapeid];
+            this.target.replaceWithShape(shapeid, newslice);
+            this.valueShapes[currentRegion] = newslice.id;
+            this.shapes[newslice.id] = currentRegion;
+        },
+
+        renderSlice: function (valuenum, highlight) {
+            var target = this.target,
+                options = this.options,
+                radius = this.radius,
+                borderWidth = options.get('borderWidth'),
+                offset = options.get('offset'),
+                circle = 2 * Math.PI,
+                values = this.values,
+                total = this.total,
+                next = offset ? (2*Math.PI)*(offset/360) : 0,
+                start, end, i, vlen, color;
+
+            vlen = values.length;
+            for (i = 0; i < vlen; i++) {
+                start = next;
+                end = next;
+                if (total > 0) {  // avoid divide by zero
+                    end = next + (circle * (values[i] / total));
+                }
+                if (valuenum === i) {
+                    color = options.get('sliceColors')[i % options.get('sliceColors').length];
+                    if (highlight) {
+                        color = this.calcHighlightColor(color, options);
+                    }
+
+                    return target.drawPieSlice(radius, radius, radius - borderWidth, start, end, undefined, color);
+                }
+                next = end;
+            }
+        },
+
+        render: function () {
+            var target = this.target,
+                values = this.values,
+                options = this.options,
+                radius = this.radius,
+                borderWidth = options.get('borderWidth'),
+                shape, i;
+
+            if (!pie._super.render.call(this)) {
+                return;
+            }
+            if (borderWidth) {
+                target.drawCircle(radius, radius, Math.floor(radius - (borderWidth / 2)),
+                    options.get('borderColor'), undefined, borderWidth).append();
+            }
+            for (i = values.length; i--;) {
+                if (values[i]) { // don't render zero values
+                    shape = this.renderSlice(i).append();
+                    this.valueShapes[i] = shape.id; // store just the shapeid
+                    this.shapes[shape.id] = i;
+                }
+            }
+            target.render();
+        }
+    });
+
+    /**
+     * Box plots
+     */
+    $.fn.sparkline.box = box = createClass($.fn.sparkline._base, {
+        type: 'box',
+
+        init: function (el, values, options, width, height) {
+            box._super.init.call(this, el, values, options, width, height);
+            this.values = $.map(values, Number);
+            this.width = options.get('width') === 'auto' ? '4.0em' : width;
+            this.initTarget();
+            if (!this.values.length) {
+                this.disabled = 1;
+            }
+        },
+
+        /**
+         * Simulate a single region
+         */
+        getRegion: function () {
+            return 1;
+        },
+
+        getCurrentRegionFields: function () {
+            var result = [
+                { field: 'lq', value: this.quartiles[0] },
+                { field: 'med', value: this.quartiles[1] },
+                { field: 'uq', value: this.quartiles[2] }
+            ];
+            if (this.loutlier !== undefined) {
+                result.push({ field: 'lo', value: this.loutlier});
+            }
+            if (this.routlier !== undefined) {
+                result.push({ field: 'ro', value: this.routlier});
+            }
+            if (this.lwhisker !== undefined) {
+                result.push({ field: 'lw', value: this.lwhisker});
+            }
+            if (this.rwhisker !== undefined) {
+                result.push({ field: 'rw', value: this.rwhisker});
+            }
+            return result;
+        },
+
+        render: function () {
+            var target = this.target,
+                values = this.values,
+                vlen = values.length,
+                options = this.options,
+                canvasWidth = this.canvasWidth,
+                canvasHeight = this.canvasHeight,
+                minValue = options.get('chartRangeMin') === undefined ? Math.min.apply(Math, values) : options.get('chartRangeMin'),
+                maxValue = options.get('chartRangeMax') === undefined ? Math.max.apply(Math, values) : options.get('chartRangeMax'),
+                canvasLeft = 0,
+                lwhisker, loutlier, iqr, q1, q2, q3, rwhisker, routlier, i,
+                size, unitSize;
+
+            if (!box._super.render.call(this)) {
+                return;
+            }
+
+            if (options.get('raw')) {
+                if (options.get('showOutliers') && values.length > 5) {
+                    loutlier = values[0];
+                    lwhisker = values[1];
+                    q1 = values[2];
+                    q2 = values[3];
+                    q3 = values[4];
+                    rwhisker = values[5];
+                    routlier = values[6];
+                } else {
+                    lwhisker = values[0];
+                    q1 = values[1];
+                    q2 = values[2];
+                    q3 = values[3];
+                    rwhisker = values[4];
+                }
+            } else {
+                values.sort(function (a, b) { return a - b; });
+                q1 = quartile(values, 1);
+                q2 = quartile(values, 2);
+                q3 = quartile(values, 3);
+                iqr = q3 - q1;
+                if (options.get('showOutliers')) {
+                    lwhisker = rwhisker = undefined;
+                    for (i = 0; i < vlen; i++) {
+                        if (lwhisker === undefined && values[i] > q1 - (iqr * options.get('outlierIQR'))) {
+                            lwhisker = values[i];
+                        }
+                        if (values[i] < q3 + (iqr * options.get('outlierIQR'))) {
+                            rwhisker = values[i];
+                        }
+                    }
+                    loutlier = values[0];
+                    routlier = values[vlen - 1];
+                } else {
+                    lwhisker = values[0];
+                    rwhisker = values[vlen - 1];
+                }
+            }
+            this.quartiles = [q1, q2, q3];
+            this.lwhisker = lwhisker;
+            this.rwhisker = rwhisker;
+            this.loutlier = loutlier;
+            this.routlier = routlier;
+
+            unitSize = canvasWidth / (maxValue - minValue + 1);
+            if (options.get('showOutliers')) {
+                canvasLeft = Math.ceil(options.get('spotRadius'));
+                canvasWidth -= 2 * Math.ceil(options.get('spotRadius'));
+                unitSize = canvasWidth / (maxValue - minValue + 1);
+                if (loutlier < lwhisker) {
+                    target.drawCircle((loutlier - minValue) * unitSize + canvasLeft,
+                        canvasHeight / 2,
+                        options.get('spotRadius'),
+                        options.get('outlierLineColor'),
+                        options.get('outlierFillColor')).append();
+                }
+                if (routlier > rwhisker) {
+                    target.drawCircle((routlier - minValue) * unitSize + canvasLeft,
+                        canvasHeight / 2,
+                        options.get('spotRadius'),
+                        options.get('outlierLineColor'),
+                        options.get('outlierFillColor')).append();
+                }
+            }
+
+            // box
+            target.drawRect(
+                Math.round((q1 - minValue) * unitSize + canvasLeft),
+                Math.round(canvasHeight * 0.1),
+                Math.round((q3 - q1) * unitSize),
+                Math.round(canvasHeight * 0.8),
+                options.get('boxLineColor'),
+                options.get('boxFillColor')).append();
+            // left whisker
+            target.drawLine(
+                Math.round((lwhisker - minValue) * unitSize + canvasLeft),
+                Math.round(canvasHeight / 2),
+                Math.round((q1 - minValue) * unitSize + canvasLeft),
+                Math.round(canvasHeight / 2),
+                options.get('lineColor')).append();
+            target.drawLine(
+                Math.round((lwhisker - minValue) * unitSize + canvasLeft),
+                Math.round(canvasHeight / 4),
+                Math.round((lwhisker - minValue) * unitSize + canvasLeft),
+                Math.round(canvasHeight - canvasHeight / 4),
+                options.get('whiskerColor')).append();
+            // right whisker
+            target.drawLine(Math.round((rwhisker - minValue) * unitSize + canvasLeft),
+                Math.round(canvasHeight / 2),
+                Math.round((q3 - minValue) * unitSize + canvasLeft),
+                Math.round(canvasHeight / 2),
+                options.get('lineColor')).append();
+            target.drawLine(
+                Math.round((rwhisker - minValue) * unitSize + canvasLeft),
+                Math.round(canvasHeight / 4),
+                Math.round((rwhisker - minValue) * unitSize + canvasLeft),
+                Math.round(canvasHeight - canvasHeight / 4),
+                options.get('whiskerColor')).append();
+            // median line
+            target.drawLine(
+                Math.round((q2 - minValue) * unitSize + canvasLeft),
+                Math.round(canvasHeight * 0.1),
+                Math.round((q2 - minValue) * unitSize + canvasLeft),
+                Math.round(canvasHeight * 0.9),
+                options.get('medianColor')).append();
+            if (options.get('target')) {
+                size = Math.ceil(options.get('spotRadius'));
+                target.drawLine(
+                    Math.round((options.get('target') - minValue) * unitSize + canvasLeft),
+                    Math.round((canvasHeight / 2) - size),
+                    Math.round((options.get('target') - minValue) * unitSize + canvasLeft),
+                    Math.round((canvasHeight / 2) + size),
+                    options.get('targetColor')).append();
+                target.drawLine(
+                    Math.round((options.get('target') - minValue) * unitSize + canvasLeft - size),
+                    Math.round(canvasHeight / 2),
+                    Math.round((options.get('target') - minValue) * unitSize + canvasLeft + size),
+                    Math.round(canvasHeight / 2),
+                    options.get('targetColor')).append();
+            }
+            target.render();
+        }
+    });
+
+    // Setup a very simple "virtual canvas" to make drawing the few shapes we need easier
+    // This is accessible as $(foo).simpledraw()
+
+    VShape = createClass({
+        init: function (target, id, type, args) {
+            this.target = target;
+            this.id = id;
+            this.type = type;
+            this.args = args;
+        },
+        append: function () {
+            this.target.appendShape(this);
+            return this;
+        }
+    });
+
+    VCanvas_base = createClass({
+        _pxregex: /(\d+)(px)?\s*$/i,
+
+        init: function (width, height, target) {
+            if (!width) {
+                return;
+            }
+            this.width = width;
+            this.height = height;
+            this.target = target;
+            this.lastShapeId = null;
+            if (target[0]) {
+                target = target[0];
+            }
+            $.data(target, '_jqs_vcanvas', this);
+        },
+
+        drawLine: function (x1, y1, x2, y2, lineColor, lineWidth) {
+            return this.drawShape([[x1, y1], [x2, y2]], lineColor, lineWidth);
+        },
+
+        drawShape: function (path, lineColor, fillColor, lineWidth) {
+            return this._genShape('Shape', [path, lineColor, fillColor, lineWidth]);
+        },
+
+        drawCircle: function (x, y, radius, lineColor, fillColor, lineWidth) {
+            return this._genShape('Circle', [x, y, radius, lineColor, fillColor, lineWidth]);
+        },
+
+        drawPieSlice: function (x, y, radius, startAngle, endAngle, lineColor, fillColor) {
+            return this._genShape('PieSlice', [x, y, radius, startAngle, endAngle, lineColor, fillColor]);
+        },
+
+        drawRect: function (x, y, width, height, lineColor, fillColor) {
+            return this._genShape('Rect', [x, y, width, height, lineColor, fillColor]);
+        },
+
+        getElement: function () {
+            return this.canvas;
+        },
+
+        /**
+         * Return the most recently inserted shape id
+         */
+        getLastShapeId: function () {
+            return this.lastShapeId;
+        },
+
+        /**
+         * Clear and reset the canvas
+         */
+        reset: function () {
+            alert('reset not implemented');
+        },
+
+        _insert: function (el, target) {
+            $(target).html(el);
+        },
+
+        /**
+         * Calculate the pixel dimensions of the canvas
+         */
+        _calculatePixelDims: function (width, height, canvas) {
+            // XXX This should probably be a configurable option
+            var match;
+            match = this._pxregex.exec(height);
+            if (match) {
+                this.pixelHeight = match[1];
+            } else {
+                this.pixelHeight = $(canvas).height();
+            }
+            match = this._pxregex.exec(width);
+            if (match) {
+                this.pixelWidth = match[1];
+            } else {
+                this.pixelWidth = $(canvas).width();
+            }
+        },
+
+        /**
+         * Generate a shape object and id for later rendering
+         */
+        _genShape: function (shapetype, shapeargs) {
+            var id = shapeCount++;
+            shapeargs.unshift(id);
+            return new VShape(this, id, shapetype, shapeargs);
+        },
+
+        /**
+         * Add a shape to the end of the render queue
+         */
+        appendShape: function (shape) {
+            alert('appendShape not implemented');
+        },
+
+        /**
+         * Replace one shape with another
+         */
+        replaceWithShape: function (shapeid, shape) {
+            alert('replaceWithShape not implemented');
+        },
+
+        /**
+         * Insert one shape after another in the render queue
+         */
+        insertAfterShape: function (shapeid, shape) {
+            alert('insertAfterShape not implemented');
+        },
+
+        /**
+         * Remove a shape from the queue
+         */
+        removeShapeId: function (shapeid) {
+            alert('removeShapeId not implemented');
+        },
+
+        /**
+         * Find a shape at the specified x/y co-ordinates
+         */
+        getShapeAt: function (el, x, y) {
+            alert('getShapeAt not implemented');
+        },
+
+        /**
+         * Render all queued shapes onto the canvas
+         */
+        render: function () {
+            alert('render not implemented');
+        }
+    });
+
+    VCanvas_canvas = createClass(VCanvas_base, {
+        init: function (width, height, target, interact) {
+            VCanvas_canvas._super.init.call(this, width, height, target);
+            this.canvas = document.createElement('canvas');
+            if (target[0]) {
+                target = target[0];
+            }
+            $.data(target, '_jqs_vcanvas', this);
+            $(this.canvas).css({ display: 'inline-block', width: width, height: height, verticalAlign: 'top' });
+            this._insert(this.canvas, target);
+            this._calculatePixelDims(width, height, this.canvas);
+            this.canvas.width = this.pixelWidth;
+            this.canvas.height = this.pixelHeight;
+            this.interact = interact;
+            this.shapes = {};
+            this.shapeseq = [];
+            this.currentTargetShapeId = undefined;
+            $(this.canvas).css({width: this.pixelWidth, height: this.pixelHeight});
+        },
+
+        _getContext: function (lineColor, fillColor, lineWidth) {
+            var context = this.canvas.getContext('2d');
+            if (lineColor !== undefined) {
+                context.strokeStyle = lineColor;
+            }
+            context.lineWidth = lineWidth === undefined ? 1 : lineWidth;
+            if (fillColor !== undefined) {
+                context.fillStyle = fillColor;
+            }
+            return context;
+        },
+
+        reset: function () {
+            var context = this._getContext();
+            context.clearRect(0, 0, this.pixelWidth, this.pixelHeight);
+            this.shapes = {};
+            this.shapeseq = [];
+            this.currentTargetShapeId = undefined;
+        },
+
+        _drawShape: function (shapeid, path, lineColor, fillColor, lineWidth) {
+            var context = this._getContext(lineColor, fillColor, lineWidth),
+                i, plen;
+            context.beginPath();
+            context.moveTo(path[0][0] + 0.5, path[0][1] + 0.5);
+            for (i = 1, plen = path.length; i < plen; i++) {
+                context.lineTo(path[i][0] + 0.5, path[i][1] + 0.5); // the 0.5 offset gives us crisp pixel-width lines
+            }
+            if (lineColor !== undefined) {
+                context.stroke();
+            }
+            if (fillColor !== undefined) {
+                context.fill();
+            }
+            if (this.targetX !== undefined && this.targetY !== undefined &&
+                context.isPointInPath(this.targetX, this.targetY)) {
+                this.currentTargetShapeId = shapeid;
+            }
+        },
+
+        _drawCircle: function (shapeid, x, y, radius, lineColor, fillColor, lineWidth) {
+            var context = this._getContext(lineColor, fillColor, lineWidth);
+            context.beginPath();
+            context.arc(x, y, radius, 0, 2 * Math.PI, false);
+            if (this.targetX !== undefined && this.targetY !== undefined &&
+                context.isPointInPath(this.targetX, this.targetY)) {
+                this.currentTargetShapeId = shapeid;
+            }
+            if (lineColor !== undefined) {
+                context.stroke();
+            }
+            if (fillColor !== undefined) {
+                context.fill();
+            }
+        },
+
+        _drawPieSlice: function (shapeid, x, y, radius, startAngle, endAngle, lineColor, fillColor) {
+            var context = this._getContext(lineColor, fillColor);
+            context.beginPath();
+            context.moveTo(x, y);
+            context.arc(x, y, radius, startAngle, endAngle, false);
+            context.lineTo(x, y);
+            context.closePath();
+            if (lineColor !== undefined) {
+                context.stroke();
+            }
+            if (fillColor) {
+                context.fill();
+            }
+            if (this.targetX !== undefined && this.targetY !== undefined &&
+                context.isPointInPath(this.targetX, this.targetY)) {
+                this.currentTargetShapeId = shapeid;
+            }
+        },
+
+        _drawRect: function (shapeid, x, y, width, height, lineColor, fillColor) {
+            return this._drawShape(shapeid, [[x, y], [x + width, y], [x + width, y + height], [x, y + height], [x, y]], lineColor, fillColor);
+        },
+
+        appendShape: function (shape) {
+            this.shapes[shape.id] = shape;
+            this.shapeseq.push(shape.id);
+            this.lastShapeId = shape.id;
+            return shape.id;
+        },
+
+        replaceWithShape: function (shapeid, shape) {
+            var shapeseq = this.shapeseq,
+                i;
+            this.shapes[shape.id] = shape;
+            for (i = shapeseq.length; i--;) {
+                if (shapeseq[i] == shapeid) {
+                    shapeseq[i] = shape.id;
+                }
+            }
+            delete this.shapes[shapeid];
+        },
+
+        replaceWithShapes: function (shapeids, shapes) {
+            var shapeseq = this.shapeseq,
+                shapemap = {},
+                sid, i, first;
+
+            for (i = shapeids.length; i--;) {
+                shapemap[shapeids[i]] = true;
+            }
+            for (i = shapeseq.length; i--;) {
+                sid = shapeseq[i];
+                if (shapemap[sid]) {
+                    shapeseq.splice(i, 1);
+                    delete this.shapes[sid];
+                    first = i;
+                }
+            }
+            for (i = shapes.length; i--;) {
+                shapeseq.splice(first, 0, shapes[i].id);
+                this.shapes[shapes[i].id] = shapes[i];
+            }
+
+        },
+
+        insertAfterShape: function (shapeid, shape) {
+            var shapeseq = this.shapeseq,
+                i;
+            for (i = shapeseq.length; i--;) {
+                if (shapeseq[i] === shapeid) {
+                    shapeseq.splice(i + 1, 0, shape.id);
+                    this.shapes[shape.id] = shape;
+                    return;
+                }
+            }
+        },
+
+        removeShapeId: function (shapeid) {
+            var shapeseq = this.shapeseq,
+                i;
+            for (i = shapeseq.length; i--;) {
+                if (shapeseq[i] === shapeid) {
+                    shapeseq.splice(i, 1);
+                    break;
+                }
+            }
+            delete this.shapes[shapeid];
+        },
+
+        getShapeAt: function (el, x, y) {
+            this.targetX = x;
+            this.targetY = y;
+            this.render();
+            return this.currentTargetShapeId;
+        },
+
+        render: function () {
+            var shapeseq = this.shapeseq,
+                shapes = this.shapes,
+                shapeCount = shapeseq.length,
+                context = this._getContext(),
+                shapeid, shape, i;
+            context.clearRect(0, 0, this.pixelWidth, this.pixelHeight);
+            for (i = 0; i < shapeCount; i++) {
+                shapeid = shapeseq[i];
+                shape = shapes[shapeid];
+                this['_draw' + shape.type].apply(this, shape.args);
+            }
+            if (!this.interact) {
+                // not interactive so no need to keep the shapes array
+                this.shapes = {};
+                this.shapeseq = [];
+            }
+        }
+
+    });
+
+    VCanvas_vml = createClass(VCanvas_base, {
+        init: function (width, height, target) {
+            var groupel;
+            VCanvas_vml._super.init.call(this, width, height, target);
+            if (target[0]) {
+                target = target[0];
+            }
+            $.data(target, '_jqs_vcanvas', this);
+            this.canvas = document.createElement('span');
+            $(this.canvas).css({ display: 'inline-block', position: 'relative', overflow: 'hidden', width: width, height: height, margin: '0px', padding: '0px', verticalAlign: 'top'});
+            this._insert(this.canvas, target);
+            this._calculatePixelDims(width, height, this.canvas);
+            this.canvas.width = this.pixelWidth;
+            this.canvas.height = this.pixelHeight;
+            groupel = '<v:group coordorigin="0 0" coordsize="' + this.pixelWidth + ' ' + this.pixelHeight + '"' +
+                    ' style="position:absolute;top:0;left:0;width:' + this.pixelWidth + 'px;height=' + this.pixelHeight + 'px;"></v:group>';
+            this.canvas.insertAdjacentHTML('beforeEnd', groupel);
+            this.group = $(this.canvas).children()[0];
+            this.rendered = false;
+            this.prerender = '';
+        },
+
+        _drawShape: function (shapeid, path, lineColor, fillColor, lineWidth) {
+            var vpath = [],
+                initial, stroke, fill, closed, vel, plen, i;
+            for (i = 0, plen = path.length; i < plen; i++) {
+                vpath[i] = '' + (path[i][0]) + ',' + (path[i][1]);
+            }
+            initial = vpath.splice(0, 1);
+            lineWidth = lineWidth === undefined ? 1 : lineWidth;
+            stroke = lineColor === undefined ? ' stroked="false" ' : ' strokeWeight="' + lineWidth + 'px" strokeColor="' + lineColor + '" ';
+            fill = fillColor === undefined ? ' filled="false"' : ' fillColor="' + fillColor + '" filled="true" ';
+            closed = vpath[0] === vpath[vpath.length - 1] ? 'x ' : '';
+            vel = '<v:shape coordorigin="0 0" coordsize="' + this.pixelWidth + ' ' + this.pixelHeight + '" ' +
+                 ' id="jqsshape' + shapeid + '" ' +
+                 stroke +
+                 fill +
+                ' style="position:absolute;left:0px;top:0px;height:' + this.pixelHeight + 'px;width:' + this.pixelWidth + 'px;padding:0px;margin:0px;" ' +
+                ' path="m ' + initial + ' l ' + vpath.join(', ') + ' ' + closed + 'e">' +
+                ' </v:shape>';
+            return vel;
+        },
+
+        _drawCircle: function (shapeid, x, y, radius, lineColor, fillColor, lineWidth) {
+            var stroke, fill, vel;
+            x -= radius;
+            y -= radius;
+            stroke = lineColor === undefined ? ' stroked="false" ' : ' strokeWeight="' + lineWidth + 'px" strokeColor="' + lineColor + '" ';
+            fill = fillColor === undefined ? ' filled="false"' : ' fillColor="' + fillColor + '" filled="true" ';
+            vel = '<v:oval ' +
+                 ' id="jqsshape' + shapeid + '" ' +
+                stroke +
+                fill +
+                ' style="position:absolute;top:' + y + 'px; left:' + x + 'px; width:' + (radius * 2) + 'px; height:' + (radius * 2) + 'px"></v:oval>';
+            return vel;
+
+        },
+
+        _drawPieSlice: function (shapeid, x, y, radius, startAngle, endAngle, lineColor, fillColor) {
+            var vpath, startx, starty, endx, endy, stroke, fill, vel;
+            if (startAngle === endAngle) {
+                return '';  // VML seems to have problem when start angle equals end angle.
+            }
+            if ((endAngle - startAngle) === (2 * Math.PI)) {
+                startAngle = 0.0;  // VML seems to have a problem when drawing a full circle that doesn't start 0
+                endAngle = (2 * Math.PI);
+            }
+
+            startx = x + Math.round(Math.cos(startAngle) * radius);
+            starty = y + Math.round(Math.sin(startAngle) * radius);
+            endx = x + Math.round(Math.cos(endAngle) * radius);
+            endy = y + Math.round(Math.sin(endAngle) * radius);
+
+            if (startx === endx && starty === endy) {
+                if ((endAngle - startAngle) < Math.PI) {
+                    // Prevent very small slices from being mistaken as a whole pie
+                    return '';
+                }
+                // essentially going to be the entire circle, so ignore startAngle
+                startx = endx = x + radius;
+                starty = endy = y;
+            }
+
+            if (startx === endx && starty === endy && (endAngle - startAngle) < Math.PI) {
+                return '';
+            }
+
+            vpath = [x - radius, y - radius, x + radius, y + radius, startx, starty, endx, endy];
+            stroke = lineColor === undefined ? ' stroked="false" ' : ' strokeWeight="1px" strokeColor="' + lineColor + '" ';
+            fill = fillColor === undefined ? ' filled="false"' : ' fillColor="' + fillColor + '" filled="true" ';
+            vel = '<v:shape coordorigin="0 0" coordsize="' + this.pixelWidth + ' ' + this.pixelHeight + '" ' +
+                 ' id="jqsshape' + shapeid + '" ' +
+                 stroke +
+                 fill +
+                ' style="position:absolute;left:0px;top:0px;height:' + this.pixelHeight + 'px;width:' + this.pixelWidth + 'px;padding:0px;margin:0px;" ' +
+                ' path="m ' + x + ',' + y + ' wa ' + vpath.join(', ') + ' x e">' +
+                ' </v:shape>';
+            return vel;
+        },
+
+        _drawRect: function (shapeid, x, y, width, height, lineColor, fillColor) {
+            return this._drawShape(shapeid, [[x, y], [x, y + height], [x + width, y + height], [x + width, y], [x, y]], lineColor, fillColor);
+        },
+
+        reset: function () {
+            this.group.innerHTML = '';
+        },
+
+        appendShape: function (shape) {
+            var vel = this['_draw' + shape.type].apply(this, shape.args);
+            if (this.rendered) {
+                this.group.insertAdjacentHTML('beforeEnd', vel);
+            } else {
+                this.prerender += vel;
+            }
+            this.lastShapeId = shape.id;
+            return shape.id;
+        },
+
+        replaceWithShape: function (shapeid, shape) {
+            var existing = $('#jqsshape' + shapeid),
+                vel = this['_draw' + shape.type].apply(this, shape.args);
+            existing[0].outerHTML = vel;
+        },
+
+        replaceWithShapes: function (shapeids, shapes) {
+            // replace the first shapeid with all the new shapes then toast the remaining old shapes
+            var existing = $('#jqsshape' + shapeids[0]),
+                replace = '',
+                slen = shapes.length,
+                i;
+            for (i = 0; i < slen; i++) {
+                replace += this['_draw' + shapes[i].type].apply(this, shapes[i].args);
+            }
+            existing[0].outerHTML = replace;
+            for (i = 1; i < shapeids.length; i++) {
+                $('#jqsshape' + shapeids[i]).remove();
+            }
+        },
+
+        insertAfterShape: function (shapeid, shape) {
+            var existing = $('#jqsshape' + shapeid),
+                 vel = this['_draw' + shape.type].apply(this, shape.args);
+            existing[0].insertAdjacentHTML('afterEnd', vel);
+        },
+
+        removeShapeId: function (shapeid) {
+            var existing = $('#jqsshape' + shapeid);
+            this.group.removeChild(existing[0]);
+        },
+
+        getShapeAt: function (el, x, y) {
+            var shapeid = el.id.substr(8);
+            return shapeid;
+        },
+
+        render: function () {
+            if (!this.rendered) {
+                // batch the intial render into a single repaint
+                this.group.innerHTML = this.prerender;
+                this.rendered = true;
+            }
+        }
+    });
+
+}))}(document, Math));
diff --git a/debian/missing-sources/morris.css b/debian/missing-sources/morris.css
new file mode 100644
index 000000000..209f09156
--- /dev/null
+++ b/debian/missing-sources/morris.css
@@ -0,0 +1,2 @@
+.morris-hover{position:absolute;z-index:1000}.morris-hover.morris-default-style{border-radius:10px;padding:6px;color:#666;background:rgba(255,255,255,0.8);border:solid 2px rgba(230,230,230,0.8);font-family:sans-serif;font-size:12px;text-align:center}.morris-hover.morris-default-style .morris-hover-row-label{font-weight:bold;margin:0.25em 0}
+.morris-hover.morris-default-style .morris-hover-point{white-space:nowrap;margin:0.1em 0}
diff --git a/debian/missing-sources/morris.js b/debian/missing-sources/morris.js
new file mode 100644
index 000000000..60b3132df
--- /dev/null
+++ b/debian/missing-sources/morris.js
@@ -0,0 +1,1895 @@
+/* @license
+morris.js v0.5.0
+Copyright 2014 Olly Smith All rights reserved.
+Licensed under the BSD-2-Clause License.
+*/
+
+
+(function() {
+  var $, Morris, minutesSpecHelper, secondsSpecHelper,
+    __slice = [].slice,
+    __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; },
+    __hasProp = {}.hasOwnProperty,
+    __extends = function(child, parent) {
+			for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } 
+			function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child;
+		},
+    __indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; };
+
+  Morris = window.Morris = {};
+
+  $ = jQuery;
+
+  Morris.EventEmitter = (function() {
+    function EventEmitter() {}
+
+    EventEmitter.prototype.on = function(name, handler) {
+      if (this.handlers == null) {
+        this.handlers = {};
+      }
+      if (this.handlers[name] == null) {
+        this.handlers[name] = [];
+      }
+      this.handlers[name].push(handler);
+      return this;
+    };
+
+    EventEmitter.prototype.fire = function() {
+      var args, handler, name, _i, _len, _ref, _results;
+      name = arguments[0], args = 2 <= arguments.length ? __slice.call(arguments, 1) : [];
+      if ((this.handlers != null) && (this.handlers[name] != null)) {
+        _ref = this.handlers[name];
+        _results = [];
+        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+          handler = _ref[_i];
+          _results.push(handler.apply(null, args));
+        }
+        return _results;
+      }
+    };
+
+    return EventEmitter;
+
+  })();
+
+  Morris.commas = function(num) {
+    var absnum, intnum, ret, strabsnum;
+    if (num != null) {
+      ret = num < 0 ? "-" : "";
+      absnum = Math.abs(num);
+      intnum = Math.floor(absnum).toFixed(0);
+      ret += intnum.replace(/(?=(?:\d{3})+$)(?!^)/g, ',');
+      strabsnum = absnum.toString();
+      if (strabsnum.length > intnum.length) {
+        ret += strabsnum.slice(intnum.length);
+      }
+      return ret;
+    } else {
+      return '-';
+    }
+  };
+
+  Morris.pad2 = function(number) {
+    return (number < 10 ? '0' : '') + number;
+  };
+
+  Morris.Grid = (function(_super) {
+    __extends(Grid, _super);
+
+    function Grid(options) {
+      this.resizeHandler = __bind(this.resizeHandler, this);
+      var _this = this;
+      if (typeof options.element === 'string') {
+        this.el = $(document.getElementById(options.element));
+      } else {
+        this.el = $(options.element);
+      }
+      if ((this.el == null) || this.el.length === 0) {
+        throw new Error("Graph container element not found");
+      }
+      if (this.el.css('position') === 'static') {
+        this.el.css('position', 'relative');
+      }
+      this.options = $.extend({}, this.gridDefaults, this.defaults || {}, options);
+      if (typeof this.options.units === 'string') {
+        this.options.postUnits = options.units;
+      }
+      this.raphael = new Raphael(this.el[0]);
+      this.elementWidth = null;
+      this.elementHeight = null;
+      this.dirty = false;
+      this.selectFrom = null;
+      if (this.init) {
+        this.init();
+      }
+      this.setData(this.options.data);
+      this.el.bind('mousemove', function(evt) {
+        var left, offset, right, width, x;
+        offset = _this.el.offset();
+        x = evt.pageX - offset.left;
+        if (_this.selectFrom) {
+          left = _this.data[_this.hitTest(Math.min(x, _this.selectFrom))]._x;
+          right = _this.data[_this.hitTest(Math.max(x, _this.selectFrom))]._x;
+          width = right - left;
+          return _this.selectionRect.attr({
+            x: left,
+            width: width
+          });
+        } else {
+          return _this.fire('hovermove', x, evt.pageY - offset.top);
+        }
+      });
+      this.el.bind('mouseleave', function(evt) {
+        if (_this.selectFrom) {
+          _this.selectionRect.hide();
+          _this.selectFrom = null;
+        }
+        return _this.fire('hoverout');
+      });
+      this.el.bind('touchstart touchmove touchend', function(evt) {
+        var offset, touch;
+        touch = evt.originalEvent.touches[0] || evt.originalEvent.changedTouches[0];
+        offset = _this.el.offset();
+        return _this.fire('hovermove', touch.pageX - offset.left, touch.pageY - offset.top);
+      });
+      this.el.bind('click', function(evt) {
+        var offset;
+        offset = _this.el.offset();
+        return _this.fire('gridclick', evt.pageX - offset.left, evt.pageY - offset.top);
+      });
+      if (this.options.rangeSelect) {
+        this.selectionRect = this.raphael.rect(0, 0, 0, this.el.innerHeight()).attr({
+          fill: this.options.rangeSelectColor,
+          stroke: false
+        }).toBack().hide();
+        this.el.bind('mousedown', function(evt) {
+          var offset;
+          offset = _this.el.offset();
+          return _this.startRange(evt.pageX - offset.left);
+        });
+        this.el.bind('mouseup', function(evt) {
+          var offset;
+          offset = _this.el.offset();
+          _this.endRange(evt.pageX - offset.left);
+          return _this.fire('hovermove', evt.pageX - offset.left, evt.pageY - offset.top);
+        });
+      }
+      if (this.options.resize) {
+        $(window).bind('resize', function(evt) {
+          if (_this.timeoutId != null) {
+            window.clearTimeout(_this.timeoutId);
+          }
+          return _this.timeoutId = window.setTimeout(_this.resizeHandler, 100);
+        });
+      }
+      this.el.css('-webkit-tap-highlight-color', 'rgba(0,0,0,0)');
+      if (this.postInit) {
+        this.postInit();
+      }
+    }
+
+    Grid.prototype.gridDefaults = {
+      dateFormat: null,
+      axes: true,
+      grid: true,
+      gridLineColor: '#aaa',
+      gridStrokeWidth: 0.5,
+      gridTextColor: '#888',
+      gridTextSize: 12,
+      gridTextFamily: 'sans-serif',
+      gridTextWeight: 'normal',
+      hideHover: false,
+      yLabelFormat: null,
+      xLabelAngle: 0,
+      numLines: 5,
+      padding: 25,
+      parseTime: true,
+      postUnits: '',
+      preUnits: '',
+      ymax: 'auto',
+      ymin: 'auto 0',
+      goals: [],
+      goalStrokeWidth: 1.0,
+      goalLineColors: ['#666633', '#999966', '#cc6666', '#663333'],
+      events: [],
+      eventStrokeWidth: 1.0,
+      eventLineColors: ['#005a04', '#ccffbb', '#3a5f0b', '#005502'],
+      rangeSelect: null,
+      rangeSelectColor: '#eef',
+      resize: false
+    };
+
+    Grid.prototype.setData = function(data, redraw) {
+      var e, idx, index, maxGoal, minGoal, ret, row, step, total, y, ykey, ymax, ymin, yval, _ref;
+      if (redraw == null) {
+        redraw = true;
+      }
+      this.options.data = data;
+      if ((data == null) || data.length === 0) {
+        this.data = [];
+        this.raphael.clear();
+        if (this.hover != null) {
+          this.hover.hide();
+        }
+        return;
+      }
+      ymax = this.cumulative ? 0 : null;
+      ymin = this.cumulative ? 0 : null;
+      if (this.options.goals.length > 0) {
+        minGoal = Math.min.apply(Math, this.options.goals);
+        maxGoal = Math.max.apply(Math, this.options.goals);
+        ymin = ymin != null ? Math.min(ymin, minGoal) : minGoal;
+        ymax = ymax != null ? Math.max(ymax, maxGoal) : maxGoal;
+      }
+      this.data = (function() {
+        var _i, _len, _results;
+        _results = [];
+        for (index = _i = 0, _len = data.length; _i < _len; index = ++_i) {
+          row = data[index];
+          ret = {
+            src: row
+          };
+          ret.label = row[this.options.xkey];
+          if (this.options.parseTime) {
+            ret.x = Morris.parseDate(ret.label);
+            if (this.options.dateFormat) {
+              ret.label = this.options.dateFormat(ret.x);
+            } else if (typeof ret.label === 'number') {
+              ret.label = new Date(ret.label).toString();
+            }
+          } else {
+            ret.x = index;
+            if (this.options.xLabelFormat) {
+              ret.label = this.options.xLabelFormat(ret);
+            }
+          }
+          total = 0;
+          ret.y = (function() {
+            var _j, _len1, _ref, _results1;
+            _ref = this.options.ykeys;
+            _results1 = [];
+            for (idx = _j = 0, _len1 = _ref.length; _j < _len1; idx = ++_j) {
+              ykey = _ref[idx];
+              yval = row[ykey];
+              if (typeof yval === 'string') {
+                yval = parseFloat(yval);
+              }
+              if ((yval != null) && typeof yval !== 'number') {
+                yval = null;
+              }
+              if (yval != null) {
+                if (this.cumulative) {
+                  total += yval;
+                } else {
+                  if (ymax != null) {
+                    ymax = Math.max(yval, ymax);
+                    ymin = Math.min(yval, ymin);
+                  } else {
+                    ymax = ymin = yval;
+                  }
+                }
+              }
+              if (this.cumulative && (total != null)) {
+                ymax = Math.max(total, ymax);
+                ymin = Math.min(total, ymin);
+              }
+              _results1.push(yval);
+            }
+            return _results1;
+          }).call(this);
+          _results.push(ret);
+        }
+        return _results;
+      }).call(this);
+      if (this.options.parseTime) {
+        this.data = this.data.sort(function(a, b) {
+          return (a.x > b.x) - (b.x > a.x);
+        });
+      }
+      this.xmin = this.data[0].x;
+      this.xmax = this.data[this.data.length - 1].x;
+      this.events = [];
+      if (this.options.events.length > 0) {
+        if (this.options.parseTime) {
+          this.events = (function() {
+            var _i, _len, _ref, _results;
+            _ref = this.options.events;
+            _results = [];
+            for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+              e = _ref[_i];
+              _results.push(Morris.parseDate(e));
+            }
+            return _results;
+          }).call(this);
+        } else {
+          this.events = this.options.events;
+        }
+        this.xmax = Math.max(this.xmax, Math.max.apply(Math, this.events));
+        this.xmin = Math.min(this.xmin, Math.min.apply(Math, this.events));
+      }
+      if (this.xmin === this.xmax) {
+        this.xmin -= 1;
+        this.xmax += 1;
+      }
+      this.ymin = this.yboundary('min', ymin);
+      this.ymax = this.yboundary('max', ymax);
+      if (this.ymin === this.ymax) {
+        if (ymin) {
+          this.ymin -= 1;
+        }
+        this.ymax += 1;
+      }
+      if (((_ref = this.options.axes) === true || _ref === 'both' || _ref === 'y') || this.options.grid === true) {
+        if (this.options.ymax === this.gridDefaults.ymax && this.options.ymin === this.gridDefaults.ymin) {
+          this.grid = this.autoGridLines(this.ymin, this.ymax, this.options.numLines);
+          this.ymin = Math.min(this.ymin, this.grid[0]);
+          this.ymax = Math.max(this.ymax, this.grid[this.grid.length - 1]);
+        } else {
+          step = (this.ymax - this.ymin) / (this.options.numLines - 1);
+          this.grid = (function() {
+            var _i, _ref1, _ref2, _results;
+            _results = [];
+            for (y = _i = _ref1 = this.ymin, _ref2 = this.ymax; step > 0 ? _i <= _ref2 : _i >= _ref2; y = _i += step) {
+              _results.push(y);
+            }
+            return _results;
+          }).call(this);
+        }
+      }
+      this.dirty = true;
+      if (redraw) {
+        return this.redraw();
+      }
+    };
+
+    Grid.prototype.yboundary = function(boundaryType, currentValue) {
+      var boundaryOption, suggestedValue;
+      boundaryOption = this.options["y" + boundaryType];
+      if (typeof boundaryOption === 'string') {
+        if (boundaryOption.slice(0, 4) === 'auto') {
+          if (boundaryOption.length > 5) {
+            suggestedValue = parseInt(boundaryOption.slice(5), 10);
+            if (currentValue == null) {
+              return suggestedValue;
+            }
+            return Math[boundaryType](currentValue, suggestedValue);
+          } else {
+            if (currentValue != null) {
+              return currentValue;
+            } else {
+              return 0;
+            }
+          }
+        } else {
+          return parseInt(boundaryOption, 10);
+        }
+      } else {
+        return boundaryOption;
+      }
+    };
+
+    Grid.prototype.autoGridLines = function(ymin, ymax, nlines) {
+      var gmax, gmin, grid, smag, span, step, unit, y, ymag;
+      span = ymax - ymin;
+      ymag = Math.floor(Math.log(span) / Math.log(10));
+      unit = Math.pow(10, ymag);
+      gmin = Math.floor(ymin / unit) * unit;
+      gmax = Math.ceil(ymax / unit) * unit;
+      step = (gmax - gmin) / (nlines - 1);
+      if (unit === 1 && step > 1 && Math.ceil(step) !== step) {
+        step = Math.ceil(step);
+        gmax = gmin + step * (nlines - 1);
+      }
+      if (gmin < 0 && gmax > 0) {
+        gmin = Math.floor(ymin / step) * step;
+        gmax = Math.ceil(ymax / step) * step;
+      }
+      if (step < 1) {
+        smag = Math.floor(Math.log(step) / Math.log(10));
+        grid = (function() {
+          var _i, _results;
+          _results = [];
+          for (y = _i = gmin; step > 0 ? _i <= gmax : _i >= gmax; y = _i += step) {
+            _results.push(parseFloat(y.toFixed(1 - smag)));
+          }
+          return _results;
+        })();
+      } else {
+        grid = (function() {
+          var _i, _results;
+          _results = [];
+          for (y = _i = gmin; step > 0 ? _i <= gmax : _i >= gmax; y = _i += step) {
+            _results.push(y);
+          }
+          return _results;
+        })();
+      }
+      return grid;
+    };
+
+    Grid.prototype._calc = function() {
+      var bottomOffsets, gridLine, h, i, w, yLabelWidths, _ref, _ref1;
+      w = this.el.width();
+      h = this.el.height();
+      if (this.elementWidth !== w || this.elementHeight !== h || this.dirty) {
+        this.elementWidth = w;
+        this.elementHeight = h;
+        this.dirty = false;
+        this.left = this.options.padding;
+        this.right = this.elementWidth - this.options.padding;
+        this.top = this.options.padding;
+        this.bottom = this.elementHeight - this.options.padding;
+        if ((_ref = this.options.axes) === true || _ref === 'both' || _ref === 'y') {
+          yLabelWidths = (function() {
+            var _i, _len, _ref1, _results;
+            _ref1 = this.grid;
+            _results = [];
+            for (_i = 0, _len = _ref1.length; _i < _len; _i++) {
+              gridLine = _ref1[_i];
+              _results.push(this.measureText(this.yAxisFormat(gridLine)).width);
+            }
+            return _results;
+          }).call(this);
+          this.left += Math.max.apply(Math, yLabelWidths);
+        }
+        if ((_ref1 = this.options.axes) === true || _ref1 === 'both' || _ref1 === 'x') {
+          bottomOffsets = (function() {
+            var _i, _ref2, _results;
+            _results = [];
+            for (i = _i = 0, _ref2 = this.data.length; 0 <= _ref2 ? _i < _ref2 : _i > _ref2; i = 0 <= _ref2 ? ++_i : --_i) {
+              _results.push(this.measureText(this.data[i].text, -this.options.xLabelAngle).height);
+            }
+            return _results;
+          }).call(this);
+          this.bottom -= Math.max.apply(Math, bottomOffsets);
+        }
+        this.width = Math.max(1, this.right - this.left);
+        this.height = Math.max(1, this.bottom - this.top);
+        this.dx = this.width / (this.xmax - this.xmin);
+        this.dy = this.height / (this.ymax - this.ymin);
+        if (this.calc) {
+          return this.calc();
+        }
+      }
+    };
+
+    Grid.prototype.transY = function(y) {
+      return this.bottom - (y - this.ymin) * this.dy;
+    };
+
+    Grid.prototype.transX = function(x) {
+      if (this.data.length === 1) {
+        return (this.left + this.right) / 2;
+      } else {
+        return this.left + (x - this.xmin) * this.dx;
+      }
+    };
+
+    Grid.prototype.redraw = function() {
+      this.raphael.clear();
+      this._calc();
+      this.drawGrid();
+      this.drawGoals();
+      this.drawEvents();
+      if (this.draw) {
+        return this.draw();
+      }
+    };
+
+    Grid.prototype.measureText = function(text, angle) {
+      var ret, tt;
+      if (angle == null) {
+        angle = 0;
+      }
+      tt = this.raphael.text(100, 100, text).attr('font-size', this.options.gridTextSize).attr('font-family', this.options.gridTextFamily).attr('font-weight', this.options.gridTextWeight).rotate(angle);
+      ret = tt.getBBox();
+      tt.remove();
+      return ret;
+    };
+
+    Grid.prototype.yAxisFormat = function(label) {
+      return this.yLabelFormat(label);
+    };
+
+    Grid.prototype.yLabelFormat = function(label) {
+      if (typeof this.options.yLabelFormat === 'function') {
+        return this.options.yLabelFormat(label);
+      } else {
+        return "" + this.options.preUnits + (Morris.commas(label)) + this.options.postUnits;
+      }
+    };
+
+    Grid.prototype.drawGrid = function() {
+      var lineY, y, _i, _len, _ref, _ref1, _ref2, _results;
+      if (this.options.grid === false && ((_ref = this.options.axes) !== true && _ref !== 'both' && _ref !== 'y')) {
+        return;
+      }
+      _ref1 = this.grid;
+      _results = [];
+      for (_i = 0, _len = _ref1.length; _i < _len; _i++) {
+        lineY = _ref1[_i];
+        y = this.transY(lineY);
+        if ((_ref2 = this.options.axes) === true || _ref2 === 'both' || _ref2 === 'y') {
+          this.drawYAxisLabel(this.left - this.options.padding / 2, y, this.yAxisFormat(lineY));
+        }
+        if (this.options.grid) {
+          _results.push(this.drawGridLine("M" + this.left + "," + y + "H" + (this.left + this.width)));
+        } else {
+          _results.push(void 0);
+        }
+      }
+      return _results;
+    };
+
+    Grid.prototype.drawGoals = function() {
+      var color, goal, i, _i, _len, _ref, _results;
+      _ref = this.options.goals;
+      _results = [];
+      for (i = _i = 0, _len = _ref.length; _i < _len; i = ++_i) {
+        goal = _ref[i];
+        color = this.options.goalLineColors[i % this.options.goalLineColors.length];
+        _results.push(this.drawGoal(goal, color));
+      }
+      return _results;
+    };
+
+    Grid.prototype.drawEvents = function() {
+      var color, event, i, _i, _len, _ref, _results;
+      _ref = this.events;
+      _results = [];
+      for (i = _i = 0, _len = _ref.length; _i < _len; i = ++_i) {
+        event = _ref[i];
+        color = this.options.eventLineColors[i % this.options.eventLineColors.length];
+        _results.push(this.drawEvent(event, color));
+      }
+      return _results;
+    };
+
+    Grid.prototype.drawGoal = function(goal, color) {
+      return this.raphael.path("M" + this.left + "," + (this.transY(goal)) + "H" + this.right).attr('stroke', color).attr('stroke-width', this.options.goalStrokeWidth);
+    };
+
+    Grid.prototype.drawEvent = function(event, color) {
+      return this.raphael.path("M" + (this.transX(event)) + "," + this.bottom + "V" + this.top).attr('stroke', color).attr('stroke-width', this.options.eventStrokeWidth);
+    };
+
+    Grid.prototype.drawYAxisLabel = function(xPos, yPos, text) {
+      return this.raphael.text(xPos, yPos, text).attr('font-size', this.options.gridTextSize).attr('font-family', this.options.gridTextFamily).attr('font-weight', this.options.gridTextWeight).attr('fill', this.options.gridTextColor).attr('text-anchor', 'end');
+    };
+
+    Grid.prototype.drawGridLine = function(path) {
+      return this.raphael.path(path).attr('stroke', this.options.gridLineColor).attr('stroke-width', this.options.gridStrokeWidth);
+    };
+
+    Grid.prototype.startRange = function(x) {
+      this.hover.hide();
+      this.selectFrom = x;
+      return this.selectionRect.attr({
+        x: x,
+        width: 0
+      }).show();
+    };
+
+    Grid.prototype.endRange = function(x) {
+      var end, start;
+      if (this.selectFrom) {
+        start = Math.min(this.selectFrom, x);
+        end = Math.max(this.selectFrom, x);
+        this.options.rangeSelect.call(this.el, {
+          start: this.data[this.hitTest(start)].x,
+          end: this.data[this.hitTest(end)].x
+        });
+        return this.selectFrom = null;
+      }
+    };
+
+    Grid.prototype.resizeHandler = function() {
+      this.timeoutId = null;
+      this.raphael.setSize(this.el.width(), this.el.height());
+      return this.redraw();
+    };
+
+    return Grid;
+
+  })(Morris.EventEmitter);
+
+  Morris.parseDate = function(date) {
+    var isecs, m, msecs, n, o, offsetmins, p, q, r, ret, secs;
+    if (typeof date === 'number') {
+      return date;
+    }
+    m = date.match(/^(\d+) Q(\d)$/);
+    n = date.match(/^(\d+)-(\d+)$/);
+    o = date.match(/^(\d+)-(\d+)-(\d+)$/);
+    p = date.match(/^(\d+) W(\d+)$/);
+    q = date.match(/^(\d+)-(\d+)-(\d+)[ T](\d+):(\d+)(Z|([+-])(\d\d):?(\d\d))?$/);
+    r = date.match(/^(\d+)-(\d+)-(\d+)[ T](\d+):(\d+):(\d+(\.\d+)?)(Z|([+-])(\d\d):?(\d\d))?$/);
+    if (m) {
+      return new Date(parseInt(m[1], 10), parseInt(m[2], 10) * 3 - 1, 1).getTime();
+    } else if (n) {
+      return new Date(parseInt(n[1], 10), parseInt(n[2], 10) - 1, 1).getTime();
+    } else if (o) {
+      return new Date(parseInt(o[1], 10), parseInt(o[2], 10) - 1, parseInt(o[3], 10)).getTime();
+    } else if (p) {
+      ret = new Date(parseInt(p[1], 10), 0, 1);
+      if (ret.getDay() !== 4) {
+        ret.setMonth(0, 1 + ((4 - ret.getDay()) + 7) % 7);
+      }
+      return ret.getTime() + parseInt(p[2], 10) * 604800000;
+    } else if (q) {
+      if (!q[6]) {
+        return new Date(parseInt(q[1], 10), parseInt(q[2], 10) - 1, parseInt(q[3], 10), parseInt(q[4], 10), parseInt(q[5], 10)).getTime();
+      } else {
+        offsetmins = 0;
+        if (q[6] !== 'Z') {
+          offsetmins = parseInt(q[8], 10) * 60 + parseInt(q[9], 10);
+          if (q[7] === '+') {
+            offsetmins = 0 - offsetmins;
+          }
+        }
+        return Date.UTC(parseInt(q[1], 10), parseInt(q[2], 10) - 1, parseInt(q[3], 10), parseInt(q[4], 10), parseInt(q[5], 10) + offsetmins);
+      }
+    } else if (r) {
+      secs = parseFloat(r[6]);
+      isecs = Math.floor(secs);
+      msecs = Math.round((secs - isecs) * 1000);
+      if (!r[8]) {
+        return new Date(parseInt(r[1], 10), parseInt(r[2], 10) - 1, parseInt(r[3], 10), parseInt(r[4], 10), parseInt(r[5], 10), isecs, msecs).getTime();
+      } else {
+        offsetmins = 0;
+        if (r[8] !== 'Z') {
+          offsetmins = parseInt(r[10], 10) * 60 + parseInt(r[11], 10);
+          if (r[9] === '+') {
+            offsetmins = 0 - offsetmins;
+          }
+        }
+        return Date.UTC(parseInt(r[1], 10), parseInt(r[2], 10) - 1, parseInt(r[3], 10), parseInt(r[4], 10), parseInt(r[5], 10) + offsetmins, isecs, msecs);
+      }
+    } else {
+      return new Date(parseInt(date, 10), 0, 1).getTime();
+    }
+  };
+
+  Morris.Hover = (function() {
+    Hover.defaults = {
+      "class": 'morris-hover morris-default-style'
+    };
+
+    function Hover(options) {
+      if (options == null) {
+        options = {};
+      }
+      this.options = $.extend({}, Morris.Hover.defaults, options);
+      this.el = $("<div class='" + this.options["class"] + "'></div>");
+      this.el.hide();
+      this.options.parent.append(this.el);
+    }
+
+    Hover.prototype.update = function(html, x, y) {
+      if (!html) {
+        return this.hide();
+      } else {
+        this.html(html);
+        this.show();
+        return this.moveTo(x, y);
+      }
+    };
+
+    Hover.prototype.html = function(content) {
+      return this.el.html(content);
+    };
+
+    Hover.prototype.moveTo = function(x, y) {
+      var hoverHeight, hoverWidth, left, parentHeight, parentWidth, top;
+      parentWidth = this.options.parent.innerWidth();
+      parentHeight = this.options.parent.innerHeight();
+      hoverWidth = this.el.outerWidth();
+      hoverHeight = this.el.outerHeight();
+      left = Math.min(Math.max(0, x - hoverWidth / 2), parentWidth - hoverWidth);
+      if (y != null) {
+        top = y - hoverHeight - 10;
+        if (top < 0) {
+          top = y + 10;
+          if (top + hoverHeight > parentHeight) {
+            top = parentHeight / 2 - hoverHeight / 2;
+          }
+        }
+      } else {
+        top = parentHeight / 2 - hoverHeight / 2;
+      }
+      return this.el.css({
+        left: left + "px",
+        top: parseInt(top) + "px"
+      });
+    };
+
+    Hover.prototype.show = function() {
+      return this.el.show();
+    };
+
+    Hover.prototype.hide = function() {
+      return this.el.hide();
+    };
+
+    return Hover;
+
+  })();
+
+  Morris.Line = (function(_super) {
+    __extends(Line, _super);
+
+    function Line(options) {
+      this.hilight = __bind(this.hilight, this);
+      this.onHoverOut = __bind(this.onHoverOut, this);
+      this.onHoverMove = __bind(this.onHoverMove, this);
+      this.onGridClick = __bind(this.onGridClick, this);
+      if (!(this instanceof Morris.Line)) {
+        return new Morris.Line(options);
+      }
+      Line.__super__.constructor.call(this, options);
+    }
+
+    Line.prototype.init = function() {
+      if (this.options.hideHover !== 'always') {
+        this.hover = new Morris.Hover({
+          parent: this.el
+        });
+        this.on('hovermove', this.onHoverMove);
+        this.on('hoverout', this.onHoverOut);
+        return this.on('gridclick', this.onGridClick);
+      }
+    };
+
+    Line.prototype.defaults = {
+      lineWidth: 3,
+      pointSize: 4,
+      lineColors: ['#0b62a4', '#7A92A3', '#4da74d', '#afd8f8', '#edc240', '#cb4b4b', '#9440ed'],
+      pointStrokeWidths: [1],
+      pointStrokeColors: ['#ffffff'],
+      pointFillColors: [],
+      smooth: true,
+      xLabels: 'auto',
+      xLabelFormat: null,
+      xLabelMargin: 24,
+      hideHover: false
+    };
+
+    Line.prototype.calc = function() {
+      this.calcPoints();
+      return this.generatePaths();
+    };
+
+    Line.prototype.calcPoints = function() {
+      var row, y, _i, _len, _ref, _results;
+      _ref = this.data;
+      _results = [];
+      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+        row = _ref[_i];
+        row._x = this.transX(row.x);
+        row._y = (function() {
+          var _j, _len1, _ref1, _results1;
+          _ref1 = row.y;
+          _results1 = [];
+          for (_j = 0, _len1 = _ref1.length; _j < _len1; _j++) {
+            y = _ref1[_j];
+            if (y != null) {
+              _results1.push(this.transY(y));
+            } else {
+              _results1.push(y);
+            }
+          }
+          return _results1;
+        }).call(this);
+        _results.push(row._ymax = Math.min.apply(Math, [this.bottom].concat((function() {
+          var _j, _len1, _ref1, _results1;
+          _ref1 = row._y;
+          _results1 = [];
+          for (_j = 0, _len1 = _ref1.length; _j < _len1; _j++) {
+            y = _ref1[_j];
+            if (y != null) {
+              _results1.push(y);
+            }
+          }
+          return _results1;
+        })())));
+      }
+      return _results;
+    };
+
+    Line.prototype.hitTest = function(x) {
+      var index, r, _i, _len, _ref;
+      if (this.data.length === 0) {
+        return null;
+      }
+      _ref = this.data.slice(1);
+      for (index = _i = 0, _len = _ref.length; _i < _len; index = ++_i) {
+        r = _ref[index];
+        if (x < (r._x + this.data[index]._x) / 2) {
+          break;
+        }
+      }
+      return index;
+    };
+
+    Line.prototype.onGridClick = function(x, y) {
+      var index;
+      index = this.hitTest(x);
+      return this.fire('click', index, this.data[index].src, x, y);
+    };
+
+    Line.prototype.onHoverMove = function(x, y) {
+      var index;
+      index = this.hitTest(x);
+      return this.displayHoverForRow(index);
+    };
+
+    Line.prototype.onHoverOut = function() {
+      if (this.options.hideHover !== false) {
+        return this.displayHoverForRow(null);
+      }
+    };
+
+    Line.prototype.displayHoverForRow = function(index) {
+      var _ref;
+      if (index != null) {
+        (_ref = this.hover).update.apply(_ref, this.hoverContentForRow(index));
+        return this.hilight(index);
+      } else {
+        this.hover.hide();
+        return this.hilight();
+      }
+    };
+
+    Line.prototype.hoverContentForRow = function(index) {
+      var content, j, row, y, _i, _len, _ref;
+      row = this.data[index];
+      content = "<div class='morris-hover-row-label'>" + row.label + "</div>";
+      _ref = row.y;
+      for (j = _i = 0, _len = _ref.length; _i < _len; j = ++_i) {
+        y = _ref[j];
+        content += "<div class='morris-hover-point' style='color: " + (this.colorFor(row, j, 'label')) + "'>\n  " + this.options.labels[j] + ":\n  " + (this.yLabelFormat(y)) + "\n</div>";
+      }
+      if (typeof this.options.hoverCallback === 'function') {
+        content = this.options.hoverCallback(index, this.options, content, row.src);
+      }
+      return [content, row._x, row._ymax];
+    };
+
+    Line.prototype.generatePaths = function() {
+      var coords, i, r, smooth;
+      return this.paths = (function() {
+        var _i, _ref, _ref1, _results;
+        _results = [];
+        for (i = _i = 0, _ref = this.options.ykeys.length; 0 <= _ref ? _i < _ref : _i > _ref; i = 0 <= _ref ? ++_i : --_i) {
+          smooth = typeof this.options.smooth === "boolean" ? this.options.smooth : (_ref1 = this.options.ykeys[i], __indexOf.call(this.options.smooth, _ref1) >= 0);
+          coords = (function() {
+            var _j, _len, _ref2, _results1;
+            _ref2 = this.data;
+            _results1 = [];
+            for (_j = 0, _len = _ref2.length; _j < _len; _j++) {
+              r = _ref2[_j];
+              if (r._y[i] !== void 0) {
+                _results1.push({
+                  x: r._x,
+                  y: r._y[i]
+                });
+              }
+            }
+            return _results1;
+          }).call(this);
+          if (coords.length > 1) {
+            _results.push(Morris.Line.createPath(coords, smooth, this.bottom));
+          } else {
+            _results.push(null);
+          }
+        }
+        return _results;
+      }).call(this);
+    };
+
+    Line.prototype.draw = function() {
+      var _ref;
+      if ((_ref = this.options.axes) === true || _ref === 'both' || _ref === 'x') {
+        this.drawXAxis();
+      }
+      this.drawSeries();
+      if (this.options.hideHover === false) {
+        return this.displayHoverForRow(this.data.length - 1);
+      }
+    };
+
+    Line.prototype.drawXAxis = function() {
+      var drawLabel, l, labels, prevAngleMargin, prevLabelMargin, row, ypos, _i, _len, _results,
+        _this = this;
+      ypos = this.bottom + this.options.padding / 2;
+      prevLabelMargin = null;
+      prevAngleMargin = null;
+      drawLabel = function(labelText, xpos) {
+        var label, labelBox, margin, offset, textBox;
+        label = _this.drawXAxisLabel(_this.transX(xpos), ypos, labelText);
+        textBox = label.getBBox();
+        label.transform("r" + (-_this.options.xLabelAngle));
+        labelBox = label.getBBox();
+        label.transform("t0," + (labelBox.height / 2) + "...");
+        if (_this.options.xLabelAngle !== 0) {
+          offset = -0.5 * textBox.width * Math.cos(_this.options.xLabelAngle * Math.PI / 180.0);
+          label.transform("t" + offset + ",0...");
+        }
+        labelBox = label.getBBox();
+        if (((prevLabelMargin == null) || prevLabelMargin >= labelBox.x + labelBox.width || (prevAngleMargin != null) && prevAngleMargin >= labelBox.x) && labelBox.x >= 0 && (labelBox.x + labelBox.width) < _this.el.width()) {
+          if (_this.options.xLabelAngle !== 0) {
+            margin = 1.25 * _this.options.gridTextSize / Math.sin(_this.options.xLabelAngle * Math.PI / 180.0);
+            prevAngleMargin = labelBox.x - margin;
+          }
+          return prevLabelMargin = labelBox.x - _this.options.xLabelMargin;
+        } else {
+          return label.remove();
+        }
+      };
+      if (this.options.parseTime) {
+        if (this.data.length === 1 && this.options.xLabels === 'auto') {
+          labels = [[this.data[0].label, this.data[0].x]];
+        } else {
+          labels = Morris.labelSeries(this.xmin, this.xmax, this.width, this.options.xLabels, this.options.xLabelFormat);
+        }
+      } else {
+        labels = (function() {
+          var _i, _len, _ref, _results;
+          _ref = this.data;
+          _results = [];
+          for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+            row = _ref[_i];
+            _results.push([row.label, row.x]);
+          }
+          return _results;
+        }).call(this);
+      }
+      labels.reverse();
+      _results = [];
+      for (_i = 0, _len = labels.length; _i < _len; _i++) {
+        l = labels[_i];
+        _results.push(drawLabel(l[0], l[1]));
+      }
+      return _results;
+    };
+
+    Line.prototype.drawSeries = function() {
+      var i, _i, _j, _ref, _ref1, _results;
+      this.seriesPoints = [];
+      for (i = _i = _ref = this.options.ykeys.length - 1; _ref <= 0 ? _i <= 0 : _i >= 0; i = _ref <= 0 ? ++_i : --_i) {
+        this._drawLineFor(i);
+      }
+      _results = [];
+      for (i = _j = _ref1 = this.options.ykeys.length - 1; _ref1 <= 0 ? _j <= 0 : _j >= 0; i = _ref1 <= 0 ? ++_j : --_j) {
+        _results.push(this._drawPointFor(i));
+      }
+      return _results;
+    };
+
+    Line.prototype._drawPointFor = function(index) {
+      var circle, row, _i, _len, _ref, _results;
+      this.seriesPoints[index] = [];
+      _ref = this.data;
+      _results = [];
+      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+        row = _ref[_i];
+        circle = null;
+        if (row._y[index] != null) {
+          circle = this.drawLinePoint(row._x, row._y[index], this.colorFor(row, index, 'point'), index);
+        }
+        _results.push(this.seriesPoints[index].push(circle));
+      }
+      return _results;
+    };
+
+    Line.prototype._drawLineFor = function(index) {
+      var path;
+      path = this.paths[index];
+      if (path !== null) {
+        return this.drawLinePath(path, this.colorFor(null, index, 'line'), index);
+      }
+    };
+
+    Line.createPath = function(coords, smooth, bottom) {
+      var coord, g, grads, i, ix, lg, path, prevCoord, x1, x2, y1, y2, _i, _len;
+      path = "";
+      if (smooth) {
+        grads = Morris.Line.gradients(coords);
+      }
+      prevCoord = {
+        y: null
+      };
+      for (i = _i = 0, _len = coords.length; _i < _len; i = ++_i) {
+        coord = coords[i];
+        if (coord.y != null) {
+          if (prevCoord.y != null) {
+            if (smooth) {
+              g = grads[i];
+              lg = grads[i - 1];
+              ix = (coord.x - prevCoord.x) / 4;
+              x1 = prevCoord.x + ix;
+              y1 = Math.min(bottom, prevCoord.y + ix * lg);
+              x2 = coord.x - ix;
+              y2 = Math.min(bottom, coord.y - ix * g);
+              path += "C" + x1 + "," + y1 + "," + x2 + "," + y2 + "," + coord.x + "," + coord.y;
+            } else {
+              path += "L" + coord.x + "," + coord.y;
+            }
+          } else {
+            if (!smooth || (grads[i] != null)) {
+              path += "M" + coord.x + "," + coord.y;
+            }
+          }
+        }
+        prevCoord = coord;
+      }
+      return path;
+    };
+
+    Line.gradients = function(coords) {
+      var coord, grad, i, nextCoord, prevCoord, _i, _len, _results;
+      grad = function(a, b) {
+        return (a.y - b.y) / (a.x - b.x);
+      };
+      _results = [];
+      for (i = _i = 0, _len = coords.length; _i < _len; i = ++_i) {
+        coord = coords[i];
+        if (coord.y != null) {
+          nextCoord = coords[i + 1] || {
+            y: null
+          };
+          prevCoord = coords[i - 1] || {
+            y: null
+          };
+          if ((prevCoord.y != null) && (nextCoord.y != null)) {
+            _results.push(grad(prevCoord, nextCoord));
+          } else if (prevCoord.y != null) {
+            _results.push(grad(prevCoord, coord));
+          } else if (nextCoord.y != null) {
+            _results.push(grad(coord, nextCoord));
+          } else {
+            _results.push(null);
+          }
+        } else {
+          _results.push(null);
+        }
+      }
+      return _results;
+    };
+
+    Line.prototype.hilight = function(index) {
+      var i, _i, _j, _ref, _ref1;
+      if (this.prevHilight !== null && this.prevHilight !== index) {
+        for (i = _i = 0, _ref = this.seriesPoints.length - 1; 0 <= _ref ? _i <= _ref : _i >= _ref; i = 0 <= _ref ? ++_i : --_i) {
+          if (this.seriesPoints[i][this.prevHilight]) {
+            this.seriesPoints[i][this.prevHilight].animate(this.pointShrinkSeries(i));
+          }
+        }
+      }
+      if (index !== null && this.prevHilight !== index) {
+        for (i = _j = 0, _ref1 = this.seriesPoints.length - 1; 0 <= _ref1 ? _j <= _ref1 : _j >= _ref1; i = 0 <= _ref1 ? ++_j : --_j) {
+          if (this.seriesPoints[i][index]) {
+            this.seriesPoints[i][index].animate(this.pointGrowSeries(i));
+          }
+        }
+      }
+      return this.prevHilight = index;
+    };
+
+    Line.prototype.colorFor = function(row, sidx, type) {
+      if (typeof this.options.lineColors === 'function') {
+        return this.options.lineColors.call(this, row, sidx, type);
+      } else if (type === 'point') {
+        return this.options.pointFillColors[sidx % this.options.pointFillColors.length] || this.options.lineColors[sidx % this.options.lineColors.length];
+      } else {
+        return this.options.lineColors[sidx % this.options.lineColors.length];
+      }
+    };
+
+    Line.prototype.drawXAxisLabel = function(xPos, yPos, text) {
+      return this.raphael.text(xPos, yPos, text).attr('font-size', this.options.gridTextSize).attr('font-family', this.options.gridTextFamily).attr('font-weight', this.options.gridTextWeight).attr('fill', this.options.gridTextColor);
+    };
+
+    Line.prototype.drawLinePath = function(path, lineColor, lineIndex) {
+      return this.raphael.path(path).attr('stroke', lineColor).attr('stroke-width', this.lineWidthForSeries(lineIndex));
+    };
+
+    Line.prototype.drawLinePoint = function(xPos, yPos, pointColor, lineIndex) {
+      return this.raphael.circle(xPos, yPos, this.pointSizeForSeries(lineIndex)).attr('fill', pointColor).attr('stroke-width', this.pointStrokeWidthForSeries(lineIndex)).attr('stroke', this.pointStrokeColorForSeries(lineIndex));
+    };
+
+    Line.prototype.pointStrokeWidthForSeries = function(index) {
+      return this.options.pointStrokeWidths[index % this.options.pointStrokeWidths.length];
+    };
+
+    Line.prototype.pointStrokeColorForSeries = function(index) {
+      return this.options.pointStrokeColors[index % this.options.pointStrokeColors.length];
+    };
+
+    Line.prototype.lineWidthForSeries = function(index) {
+      if (this.options.lineWidth instanceof Array) {
+        return this.options.lineWidth[index % this.options.lineWidth.length];
+      } else {
+        return this.options.lineWidth;
+      }
+    };
+
+    Line.prototype.pointSizeForSeries = function(index) {
+      if (this.options.pointSize instanceof Array) {
+        return this.options.pointSize[index % this.options.pointSize.length];
+      } else {
+        return this.options.pointSize;
+      }
+    };
+
+    Line.prototype.pointGrowSeries = function(index) {
+      return Raphael.animation({
+        r: this.pointSizeForSeries(index) + 3
+      }, 25, 'linear');
+    };
+
+    Line.prototype.pointShrinkSeries = function(index) {
+      return Raphael.animation({
+        r: this.pointSizeForSeries(index)
+      }, 25, 'linear');
+    };
+
+    return Line;
+
+  })(Morris.Grid);
+
+  Morris.labelSeries = function(dmin, dmax, pxwidth, specName, xLabelFormat) {
+    var d, d0, ddensity, name, ret, s, spec, t, _i, _len, _ref;
+    ddensity = 200 * (dmax - dmin) / pxwidth;
+    d0 = new Date(dmin);
+    spec = Morris.LABEL_SPECS[specName];
+    if (spec === void 0) {
+      _ref = Morris.AUTO_LABEL_ORDER;
+      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+        name = _ref[_i];
+        s = Morris.LABEL_SPECS[name];
+        if (ddensity >= s.span) {
+          spec = s;
+          break;
+        }
+      }
+    }
+    if (spec === void 0) {
+      spec = Morris.LABEL_SPECS["second"];
+    }
+    if (xLabelFormat) {
+      spec = $.extend({}, spec, {
+        fmt: xLabelFormat
+      });
+    }
+    d = spec.start(d0);
+    ret = [];
+    while ((t = d.getTime()) <= dmax) {
+      if (t >= dmin) {
+        ret.push([spec.fmt(d), t]);
+      }
+      spec.incr(d);
+    }
+    return ret;
+  };
+
+  minutesSpecHelper = function(interval) {
+    return {
+      span: interval * 60 * 1000,
+      start: function(d) {
+        return new Date(d.getFullYear(), d.getMonth(), d.getDate(), d.getHours());
+      },
+      fmt: function(d) {
+        return "" + (Morris.pad2(d.getHours())) + ":" + (Morris.pad2(d.getMinutes()));
+      },
+      incr: function(d) {
+        return d.setUTCMinutes(d.getUTCMinutes() + interval);
+      }
+    };
+  };
+
+  secondsSpecHelper = function(interval) {
+    return {
+      span: interval * 1000,
+      start: function(d) {
+        return new Date(d.getFullYear(), d.getMonth(), d.getDate(), d.getHours(), d.getMinutes());
+      },
+      fmt: function(d) {
+        return "" + (Morris.pad2(d.getHours())) + ":" + (Morris.pad2(d.getMinutes())) + ":" + (Morris.pad2(d.getSeconds()));
+      },
+      incr: function(d) {
+        return d.setUTCSeconds(d.getUTCSeconds() + interval);
+      }
+    };
+  };
+
+  Morris.LABEL_SPECS = {
+    "decade": {
+      span: 172800000000,
+      start: function(d) {
+        return new Date(d.getFullYear() - d.getFullYear() % 10, 0, 1);
+      },
+      fmt: function(d) {
+        return "" + (d.getFullYear());
+      },
+      incr: function(d) {
+        return d.setFullYear(d.getFullYear() + 10);
+      }
+    },
+    "year": {
+      span: 17280000000,
+      start: function(d) {
+        return new Date(d.getFullYear(), 0, 1);
+      },
+      fmt: function(d) {
+        return "" + (d.getFullYear());
+      },
+      incr: function(d) {
+        return d.setFullYear(d.getFullYear() + 1);
+      }
+    },
+    "month": {
+      span: 2419200000,
+      start: function(d) {
+        return new Date(d.getFullYear(), d.getMonth(), 1);
+      },
+      fmt: function(d) {
+        return "" + (d.getFullYear()) + "-" + (Morris.pad2(d.getMonth() + 1));
+      },
+      incr: function(d) {
+        return d.setMonth(d.getMonth() + 1);
+      }
+    },
+    "week": {
+      span: 604800000,
+      start: function(d) {
+        return new Date(d.getFullYear(), d.getMonth(), d.getDate());
+      },
+      fmt: function(d) {
+        return "" + (d.getFullYear()) + "-" + (Morris.pad2(d.getMonth() + 1)) + "-" + (Morris.pad2(d.getDate()));
+      },
+      incr: function(d) {
+        return d.setDate(d.getDate() + 7);
+      }
+    },
+    "day": {
+      span: 86400000,
+      start: function(d) {
+        return new Date(d.getFullYear(), d.getMonth(), d.getDate());
+      },
+      fmt: function(d) {
+        return "" + (d.getFullYear()) + "-" + (Morris.pad2(d.getMonth() + 1)) + "-" + (Morris.pad2(d.getDate()));
+      },
+      incr: function(d) {
+        return d.setDate(d.getDate() + 1);
+      }
+    },
+    "hour": minutesSpecHelper(60),
+    "30min": minutesSpecHelper(30),
+    "15min": minutesSpecHelper(15),
+    "10min": minutesSpecHelper(10),
+    "5min": minutesSpecHelper(5),
+    "minute": minutesSpecHelper(1),
+    "30sec": secondsSpecHelper(30),
+    "15sec": secondsSpecHelper(15),
+    "10sec": secondsSpecHelper(10),
+    "5sec": secondsSpecHelper(5),
+    "second": secondsSpecHelper(1)
+  };
+
+  Morris.AUTO_LABEL_ORDER = ["decade", "year", "month", "week", "day", "hour", "30min", "15min", "10min", "5min", "minute", "30sec", "15sec", "10sec", "5sec", "second"];
+
+  Morris.Area = (function(_super) {
+    var areaDefaults;
+
+    __extends(Area, _super);
+
+    areaDefaults = {
+      fillOpacity: 'auto',
+      behaveLikeLine: false
+    };
+
+    function Area(options) {
+      var areaOptions;
+      if (!(this instanceof Morris.Area)) {
+        return new Morris.Area(options);
+      }
+      areaOptions = $.extend({}, areaDefaults, options);
+      this.cumulative = !areaOptions.behaveLikeLine;
+      if (areaOptions.fillOpacity === 'auto') {
+        areaOptions.fillOpacity = areaOptions.behaveLikeLine ? .8 : 1;
+      }
+      Area.__super__.constructor.call(this, areaOptions);
+    }
+
+    Area.prototype.calcPoints = function() {
+      var row, total, y, _i, _len, _ref, _results;
+      _ref = this.data;
+      _results = [];
+      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+        row = _ref[_i];
+        row._x = this.transX(row.x);
+        total = 0;
+        row._y = (function() {
+          var _j, _len1, _ref1, _results1;
+          _ref1 = row.y;
+          _results1 = [];
+          for (_j = 0, _len1 = _ref1.length; _j < _len1; _j++) {
+            y = _ref1[_j];
+            if (this.options.behaveLikeLine) {
+              _results1.push(this.transY(y));
+            } else {
+              total += y || 0;
+              _results1.push(this.transY(total));
+            }
+          }
+          return _results1;
+        }).call(this);
+        _results.push(row._ymax = Math.max.apply(Math, row._y));
+      }
+      return _results;
+    };
+
+    Area.prototype.drawSeries = function() {
+      var i, range, _i, _j, _k, _len, _ref, _ref1, _results, _results1, _results2;
+      this.seriesPoints = [];
+      if (this.options.behaveLikeLine) {
+        range = (function() {
+          _results = [];
+          for (var _i = 0, _ref = this.options.ykeys.length - 1; 0 <= _ref ? _i <= _ref : _i >= _ref; 0 <= _ref ? _i++ : _i--){ _results.push(_i); }
+          return _results;
+        }).apply(this);
+      } else {
+        range = (function() {
+          _results1 = [];
+          for (var _j = _ref1 = this.options.ykeys.length - 1; _ref1 <= 0 ? _j <= 0 : _j >= 0; _ref1 <= 0 ? _j++ : _j--){ _results1.push(_j); }
+          return _results1;
+        }).apply(this);
+      }
+      _results2 = [];
+      for (_k = 0, _len = range.length; _k < _len; _k++) {
+        i = range[_k];
+        this._drawFillFor(i);
+        this._drawLineFor(i);
+        _results2.push(this._drawPointFor(i));
+      }
+      return _results2;
+    };
+
+    Area.prototype._drawFillFor = function(index) {
+      var path;
+      path = this.paths[index];
+      if (path !== null) {
+        path = path + ("L" + (this.transX(this.xmax)) + "," + this.bottom + "L" + (this.transX(this.xmin)) + "," + this.bottom + "Z");
+        return this.drawFilledPath(path, this.fillForSeries(index));
+      }
+    };
+
+    Area.prototype.fillForSeries = function(i) {
+      var color;
+      color = Raphael.rgb2hsl(this.colorFor(this.data[i], i, 'line'));
+      return Raphael.hsl(color.h, this.options.behaveLikeLine ? color.s * 0.9 : color.s * 0.75, Math.min(0.98, this.options.behaveLikeLine ? color.l * 1.2 : color.l * 1.25));
+    };
+
+    Area.prototype.drawFilledPath = function(path, fill) {
+      return this.raphael.path(path).attr('fill', fill).attr('fill-opacity', this.options.fillOpacity).attr('stroke', 'none');
+    };
+
+    return Area;
+
+  })(Morris.Line);
+
+  Morris.Bar = (function(_super) {
+    __extends(Bar, _super);
+
+    function Bar(options) {
+      this.onHoverOut = __bind(this.onHoverOut, this);
+      this.onHoverMove = __bind(this.onHoverMove, this);
+      this.onGridClick = __bind(this.onGridClick, this);
+      if (!(this instanceof Morris.Bar)) {
+        return new Morris.Bar(options);
+      }
+      Bar.__super__.constructor.call(this, $.extend({}, options, {
+        parseTime: false
+      }));
+    }
+
+    Bar.prototype.init = function() {
+      this.cumulative = this.options.stacked;
+      if (this.options.hideHover !== 'always') {
+        this.hover = new Morris.Hover({
+          parent: this.el
+        });
+        this.on('hovermove', this.onHoverMove);
+        this.on('hoverout', this.onHoverOut);
+        return this.on('gridclick', this.onGridClick);
+      }
+    };
+
+    Bar.prototype.defaults = {
+      barSizeRatio: 0.75,
+      barGap: 3,
+      barColors: ['#0b62a4', '#7a92a3', '#4da74d', '#afd8f8', '#edc240', '#cb4b4b', '#9440ed'],
+      barOpacity: 1.0,
+      barRadius: [0, 0, 0, 0],
+      xLabelMargin: 50
+    };
+
+    Bar.prototype.calc = function() {
+      var _ref;
+      this.calcBars();
+      if (this.options.hideHover === false) {
+        return (_ref = this.hover).update.apply(_ref, this.hoverContentForRow(this.data.length - 1));
+      }
+    };
+
+    Bar.prototype.calcBars = function() {
+      var idx, row, y, _i, _len, _ref, _results;
+      _ref = this.data;
+      _results = [];
+      for (idx = _i = 0, _len = _ref.length; _i < _len; idx = ++_i) {
+        row = _ref[idx];
+        row._x = this.left + this.width * (idx + 0.5) / this.data.length;
+        _results.push(row._y = (function() {
+          var _j, _len1, _ref1, _results1;
+          _ref1 = row.y;
+          _results1 = [];
+          for (_j = 0, _len1 = _ref1.length; _j < _len1; _j++) {
+            y = _ref1[_j];
+            if (y != null) {
+              _results1.push(this.transY(y));
+            } else {
+              _results1.push(null);
+            }
+          }
+          return _results1;
+        }).call(this));
+      }
+      return _results;
+    };
+
+    Bar.prototype.draw = function() {
+      var _ref;
+      if ((_ref = this.options.axes) === true || _ref === 'both' || _ref === 'x') {
+        this.drawXAxis();
+      }
+      return this.drawSeries();
+    };
+
+    Bar.prototype.drawXAxis = function() {
+      var i, label, labelBox, margin, offset, prevAngleMargin, prevLabelMargin, row, textBox, ypos, _i, _ref, _results;
+      ypos = this.bottom + (this.options.xAxisLabelTopPadding || this.options.padding / 2);
+      prevLabelMargin = null;
+      prevAngleMargin = null;
+      _results = [];
+      for (i = _i = 0, _ref = this.data.length; 0 <= _ref ? _i < _ref : _i > _ref; i = 0 <= _ref ? ++_i : --_i) {
+        row = this.data[this.data.length - 1 - i];
+        label = this.drawXAxisLabel(row._x, ypos, row.label);
+        textBox = label.getBBox();
+        label.transform("r" + (-this.options.xLabelAngle));
+        labelBox = label.getBBox();
+        label.transform("t0," + (labelBox.height / 2) + "...");
+        if (this.options.xLabelAngle !== 0) {
+          offset = -0.5 * textBox.width * Math.cos(this.options.xLabelAngle * Math.PI / 180.0);
+          label.transform("t" + offset + ",0...");
+        }
+        if (((prevLabelMargin == null) || prevLabelMargin >= labelBox.x + labelBox.width || (prevAngleMargin != null) && prevAngleMargin >= labelBox.x) && labelBox.x >= 0 && (labelBox.x + labelBox.width) < this.el.width()) {
+          if (this.options.xLabelAngle !== 0) {
+            margin = 1.25 * this.options.gridTextSize / Math.sin(this.options.xLabelAngle * Math.PI / 180.0);
+            prevAngleMargin = labelBox.x - margin;
+          }
+          _results.push(prevLabelMargin = labelBox.x - this.options.xLabelMargin);
+        } else {
+          _results.push(label.remove());
+        }
+      }
+      return _results;
+    };
+
+    Bar.prototype.drawSeries = function() {
+      var barWidth, bottom, groupWidth, idx, lastTop, left, leftPadding, numBars, row, sidx, size, spaceLeft, top, ypos, zeroPos;
+      groupWidth = this.width / this.options.data.length;
+      numBars = this.options.stacked ? 1 : this.options.ykeys.length;
+      barWidth = (groupWidth * this.options.barSizeRatio - this.options.barGap * (numBars - 1)) / numBars;
+      if (this.options.barSize) {
+        barWidth = Math.min(barWidth, this.options.barSize);
+      }
+      spaceLeft = groupWidth - barWidth * numBars - this.options.barGap * (numBars - 1);
+      leftPadding = spaceLeft / 2;
+      zeroPos = this.ymin <= 0 && this.ymax >= 0 ? this.transY(0) : null;
+      return this.bars = (function() {
+        var _i, _len, _ref, _results;
+        _ref = this.data;
+        _results = [];
+        for (idx = _i = 0, _len = _ref.length; _i < _len; idx = ++_i) {
+          row = _ref[idx];
+          lastTop = 0;
+          _results.push((function() {
+            var _j, _len1, _ref1, _results1;
+            _ref1 = row._y;
+            _results1 = [];
+            for (sidx = _j = 0, _len1 = _ref1.length; _j < _len1; sidx = ++_j) {
+              ypos = _ref1[sidx];
+              if (ypos !== null) {
+                if (zeroPos) {
+                  top = Math.min(ypos, zeroPos);
+                  bottom = Math.max(ypos, zeroPos);
+                } else {
+                  top = ypos;
+                  bottom = this.bottom;
+                }
+                left = this.left + idx * groupWidth + leftPadding;
+                if (!this.options.stacked) {
+                  left += sidx * (barWidth + this.options.barGap);
+                }
+                size = bottom - top;
+                if (this.options.verticalGridCondition && this.options.verticalGridCondition(row.x)) {
+                  this.drawBar(this.left + idx * groupWidth, this.top, groupWidth, Math.abs(this.top - this.bottom), this.options.verticalGridColor, this.options.verticalGridOpacity, this.options.barRadius);
+                }
+                if (this.options.stacked) {
+                  top -= lastTop;
+                }
+                this.drawBar(left, top, barWidth, size, this.colorFor(row, sidx, 'bar'), this.options.barOpacity, this.options.barRadius);
+                _results1.push(lastTop += size);
+              } else {
+                _results1.push(null);
+              }
+            }
+            return _results1;
+          }).call(this));
+        }
+        return _results;
+      }).call(this);
+    };
+
+    Bar.prototype.colorFor = function(row, sidx, type) {
+      var r, s;
+      if (typeof this.options.barColors === 'function') {
+        r = {
+          x: row.x,
+          y: row.y[sidx],
+          label: row.label
+        };
+        s = {
+          index: sidx,
+          key: this.options.ykeys[sidx],
+          label: this.options.labels[sidx]
+        };
+        return this.options.barColors.call(this, r, s, type);
+      } else {
+        return this.options.barColors[sidx % this.options.barColors.length];
+      }
+    };
+
+    Bar.prototype.hitTest = function(x) {
+      if (this.data.length === 0) {
+        return null;
+      }
+      x = Math.max(Math.min(x, this.right), this.left);
+      return Math.min(this.data.length - 1, Math.floor((x - this.left) / (this.width / this.data.length)));
+    };
+
+    Bar.prototype.onGridClick = function(x, y) {
+      var index;
+      index = this.hitTest(x);
+      return this.fire('click', index, this.data[index].src, x, y);
+    };
+
+    Bar.prototype.onHoverMove = function(x, y) {
+      var index, _ref;
+      index = this.hitTest(x);
+      return (_ref = this.hover).update.apply(_ref, this.hoverContentForRow(index));
+    };
+
+    Bar.prototype.onHoverOut = function() {
+      if (this.options.hideHover !== false) {
+        return this.hover.hide();
+      }
+    };
+
+    Bar.prototype.hoverContentForRow = function(index) {
+      var content, j, row, x, y, _i, _len, _ref;
+      row = this.data[index];
+      content = "<div class='morris-hover-row-label'>" + row.label + "</div>";
+      _ref = row.y;
+      for (j = _i = 0, _len = _ref.length; _i < _len; j = ++_i) {
+        y = _ref[j];
+        content += "<div class='morris-hover-point' style='color: " + (this.colorFor(row, j, 'label')) + "'>\n  " + this.options.labels[j] + ":\n  " + (this.yLabelFormat(y)) + "\n</div>";
+      }
+      if (typeof this.options.hoverCallback === 'function') {
+        content = this.options.hoverCallback(index, this.options, content, row.src);
+      }
+      x = this.left + (index + 0.5) * this.width / this.data.length;
+      return [content, x];
+    };
+
+    Bar.prototype.drawXAxisLabel = function(xPos, yPos, text) {
+      var label;
+      return label = this.raphael.text(xPos, yPos, text).attr('font-size', this.options.gridTextSize).attr('font-family', this.options.gridTextFamily).attr('font-weight', this.options.gridTextWeight).attr('fill', this.options.gridTextColor);
+    };
+
+    Bar.prototype.drawBar = function(xPos, yPos, width, height, barColor, opacity, radiusArray) {
+      var maxRadius, path;
+      maxRadius = Math.max.apply(Math, radiusArray);
+      if (maxRadius === 0 || maxRadius > height) {
+        path = this.raphael.rect(xPos, yPos, width, height);
+      } else {
+        path = this.raphael.path(this.roundedRect(xPos, yPos, width, height, radiusArray));
+      }
+      return path.attr('fill', barColor).attr('fill-opacity', opacity).attr('stroke', 'none');
+    };
+
+    Bar.prototype.roundedRect = function(x, y, w, h, r) {
+      if (r == null) {
+        r = [0, 0, 0, 0];
+      }
+      return ["M", x, r[0] + y, "Q", x, y, x + r[0], y, "L", x + w - r[1], y, "Q", x + w, y, x + w, y + r[1], "L", x + w, y + h - r[2], "Q", x + w, y + h, x + w - r[2], y + h, "L", x + r[3], y + h, "Q", x, y + h, x, y + h - r[3], "Z"];
+    };
+
+    return Bar;
+
+  })(Morris.Grid);
+
+  Morris.Donut = (function(_super) {
+    __extends(Donut, _super);
+
+    Donut.prototype.defaults = {
+      colors: ['#0B62A4', '#3980B5', '#679DC6', '#95BBD7', '#B0CCE1', '#095791', '#095085', '#083E67', '#052C48', '#042135'],
+      backgroundColor: '#FFFFFF',
+      labelColor: '#000000',
+      formatter: Morris.commas,
+      resize: false
+    };
+
+    function Donut(options) {
+      this.resizeHandler = __bind(this.resizeHandler, this);
+      this.select = __bind(this.select, this);
+      this.click = __bind(this.click, this);
+      var _this = this;
+      if (!(this instanceof Morris.Donut)) {
+        return new Morris.Donut(options);
+      }
+      this.options = $.extend({}, this.defaults, options);
+      if (typeof options.element === 'string') {
+        this.el = $(document.getElementById(options.element));
+      } else {
+        this.el = $(options.element);
+      }
+      if (this.el === null || this.el.length === 0) {
+        throw new Error("Graph placeholder not found.");
+      }
+      if (options.data === void 0 || options.data.length === 0) {
+        return;
+      }
+      this.raphael = new Raphael(this.el[0]);
+      if (this.options.resize) {
+        $(window).bind('resize', function(evt) {
+          if (_this.timeoutId != null) {
+            window.clearTimeout(_this.timeoutId);
+          }
+          return _this.timeoutId = window.setTimeout(_this.resizeHandler, 100);
+        });
+      }
+      this.setData(options.data);
+    }
+
+    Donut.prototype.redraw = function() {
+      var C, cx, cy, i, idx, last, max_value, min, next, seg, total, value, w, _i, _j, _k, _len, _len1, _len2, _ref, _ref1, _ref2, _results;
+      this.raphael.clear();
+      cx = this.el.width() / 2;
+      cy = this.el.height() / 2;
+      w = (Math.min(cx, cy) - 10) / 3;
+      total = 0;
+      _ref = this.values;
+      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+        value = _ref[_i];
+        total += value;
+      }
+      min = 5 / (2 * w);
+      C = 1.9999 * Math.PI - min * this.data.length;
+      last = 0;
+      idx = 0;
+      this.segments = [];
+      _ref1 = this.values;
+      for (i = _j = 0, _len1 = _ref1.length; _j < _len1; i = ++_j) {
+        value = _ref1[i];
+        next = last + min + C * (value / total);
+        seg = new Morris.DonutSegment(cx, cy, w * 2, w, last, next, this.data[i].color || this.options.colors[idx % this.options.colors.length], this.options.backgroundColor, idx, this.raphael);
+        seg.render();
+        this.segments.push(seg);
+        seg.on('hover', this.select);
+        seg.on('click', this.click);
+        last = next;
+        idx += 1;
+      }
+      this.text1 = this.drawEmptyDonutLabel(cx, cy - 10, this.options.labelColor, 15, 800);
+      this.text2 = this.drawEmptyDonutLabel(cx, cy + 10, this.options.labelColor, 14);
+      max_value = Math.max.apply(Math, this.values);
+      idx = 0;
+      _ref2 = this.values;
+      _results = [];
+      for (_k = 0, _len2 = _ref2.length; _k < _len2; _k++) {
+        value = _ref2[_k];
+        if (value === max_value) {
+          this.select(idx);
+          break;
+        }
+        _results.push(idx += 1);
+      }
+      return _results;
+    };
+
+    Donut.prototype.setData = function(data) {
+      var row;
+      this.data = data;
+      this.values = (function() {
+        var _i, _len, _ref, _results;
+        _ref = this.data;
+        _results = [];
+        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+          row = _ref[_i];
+          _results.push(parseFloat(row.value));
+        }
+        return _results;
+      }).call(this);
+      return this.redraw();
+    };
+
+    Donut.prototype.click = function(idx) {
+      return this.fire('click', idx, this.data[idx]);
+    };
+
+    Donut.prototype.select = function(idx) {
+      var row, s, segment, _i, _len, _ref;
+      _ref = this.segments;
+      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+        s = _ref[_i];
+        s.deselect();
+      }
+      segment = this.segments[idx];
+      segment.select();
+      row = this.data[idx];
+      return this.setLabels(row.label, this.options.formatter(row.value, row));
+    };
+
+    Donut.prototype.setLabels = function(label1, label2) {
+      var inner, maxHeightBottom, maxHeightTop, maxWidth, text1bbox, text1scale, text2bbox, text2scale;
+      inner = (Math.min(this.el.width() / 2, this.el.height() / 2) - 10) * 2 / 3;
+      maxWidth = 1.8 * inner;
+      maxHeightTop = inner / 2;
+      maxHeightBottom = inner / 3;
+      this.text1.attr({
+        text: label1,
+        transform: ''
+      });
+      text1bbox = this.text1.getBBox();
+      text1scale = Math.min(maxWidth / text1bbox.width, maxHeightTop / text1bbox.height);
+      this.text1.attr({
+        transform: "S" + text1scale + "," + text1scale + "," + (text1bbox.x + text1bbox.width / 2) + "," + (text1bbox.y + text1bbox.height)
+      });
+      this.text2.attr({
+        text: label2,
+        transform: ''
+      });
+      text2bbox = this.text2.getBBox();
+      text2scale = Math.min(maxWidth / text2bbox.width, maxHeightBottom / text2bbox.height);
+      return this.text2.attr({
+        transform: "S" + text2scale + "," + text2scale + "," + (text2bbox.x + text2bbox.width / 2) + "," + text2bbox.y
+      });
+    };
+
+    Donut.prototype.drawEmptyDonutLabel = function(xPos, yPos, color, fontSize, fontWeight) {
+      var text;
+      text = this.raphael.text(xPos, yPos, '').attr('font-size', fontSize).attr('fill', color);
+      if (fontWeight != null) {
+        text.attr('font-weight', fontWeight);
+      }
+      return text;
+    };
+
+    Donut.prototype.resizeHandler = function() {
+      this.timeoutId = null;
+      this.raphael.setSize(this.el.width(), this.el.height());
+      return this.redraw();
+    };
+
+    return Donut;
+
+  })(Morris.EventEmitter);
+
+  Morris.DonutSegment = (function(_super) {
+    __extends(DonutSegment, _super);
+
+    function DonutSegment(cx, cy, inner, outer, p0, p1, color, backgroundColor, index, raphael) {
+      this.cx = cx;
+      this.cy = cy;
+      this.inner = inner;
+      this.outer = outer;
+      this.color = color;
+      this.backgroundColor = backgroundColor;
+      this.index = index;
+      this.raphael = raphael;
+      this.deselect = __bind(this.deselect, this);
+      this.select = __bind(this.select, this);
+      this.sin_p0 = Math.sin(p0);
+      this.cos_p0 = Math.cos(p0);
+      this.sin_p1 = Math.sin(p1);
+      this.cos_p1 = Math.cos(p1);
+      this.is_long = (p1 - p0) > Math.PI ? 1 : 0;
+      this.path = this.calcSegment(this.inner + 3, this.inner + this.outer - 5);
+      this.selectedPath = this.calcSegment(this.inner + 3, this.inner + this.outer);
+      this.hilight = this.calcArc(this.inner);
+    }
+
+    DonutSegment.prototype.calcArcPoints = function(r) {
+      return [this.cx + r * this.sin_p0, this.cy + r * this.cos_p0, this.cx + r * this.sin_p1, this.cy + r * this.cos_p1];
+    };
+
+    DonutSegment.prototype.calcSegment = function(r1, r2) {
+      var ix0, ix1, iy0, iy1, ox0, ox1, oy0, oy1, _ref, _ref1;
+      _ref = this.calcArcPoints(r1), ix0 = _ref[0], iy0 = _ref[1], ix1 = _ref[2], iy1 = _ref[3];
+      _ref1 = this.calcArcPoints(r2), ox0 = _ref1[0], oy0 = _ref1[1], ox1 = _ref1[2], oy1 = _ref1[3];
+      return ("M" + ix0 + "," + iy0) + ("A" + r1 + "," + r1 + ",0," + this.is_long + ",0," + ix1 + "," + iy1) + ("L" + ox1 + "," + oy1) + ("A" + r2 + "," + r2 + ",0," + this.is_long + ",1," + ox0 + "," + oy0) + "Z";
+    };
+
+    DonutSegment.prototype.calcArc = function(r) {
+      var ix0, ix1, iy0, iy1, _ref;
+      _ref = this.calcArcPoints(r), ix0 = _ref[0], iy0 = _ref[1], ix1 = _ref[2], iy1 = _ref[3];
+      return ("M" + ix0 + "," + iy0) + ("A" + r + "," + r + ",0," + this.is_long + ",0," + ix1 + "," + iy1);
+    };
+
+    DonutSegment.prototype.render = function() {
+      var _this = this;
+      this.arc = this.drawDonutArc(this.hilight, this.color);
+      return this.seg = this.drawDonutSegment(this.path, this.color, this.backgroundColor, function() {
+        return _this.fire('hover', _this.index);
+      }, function() {
+        return _this.fire('click', _this.index);
+      });
+    };
+
+    DonutSegment.prototype.drawDonutArc = function(path, color) {
+      return this.raphael.path(path).attr({
+        stroke: color,
+        'stroke-width': 2,
+        opacity: 0
+      });
+    };
+
+    DonutSegment.prototype.drawDonutSegment = function(path, fillColor, strokeColor, hoverFunction, clickFunction) {
+      return this.raphael.path(path).attr({
+        fill: fillColor,
+        stroke: strokeColor,
+        'stroke-width': 3
+      }).hover(hoverFunction).click(clickFunction);
+    };
+
+    DonutSegment.prototype.select = function() {
+      if (!this.selected) {
+        this.seg.animate({
+          path: this.selectedPath
+        }, 150, '<>');
+        this.arc.animate({
+          opacity: 1
+        }, 150, '<>');
+        return this.selected = true;
+      }
+    };
+
+    DonutSegment.prototype.deselect = function() {
+      if (this.selected) {
+        this.seg.animate({
+          path: this.path
+        }, 150, '<>');
+        this.arc.animate({
+          opacity: 0
+        }, 150, '<>');
+        return this.selected = false;
+      }
+    };
+
+    return DonutSegment;
+
+  })(Morris.EventEmitter);
+
+}).call(this);
diff --git a/debian/source/lintian-overrides b/debian/source/lintian-overrides
new file mode 100644
index 000000000..cc896d9fc
--- /dev/null
+++ b/debian/source/lintian-overrides
@@ -0,0 +1,3 @@
+# Source exists in missing-sources as gauge.coffee. It is transpliced into
+# javascript before being minimized
+netdata source: source-is-missing web/lib/gauge.min.js