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<!DOCTYPE html>
<html class="reftest-wait">
  <body onload="loaded()">
    <iframe id="foo"></iframe> 
    <script type="text/javascript">
    function loaded() {
        dump("459443-1.html: Entering loaded()\n");
        var n = document.getElementById('foo');

        // Just to detect if/when the iframe might be firing its load event
        // before we set up its final className-clearing load event handler:
        n.addEventListener("load",
                           function() {
                               dump("459443-1.html: Entering n initial " +
                                    "no-op load callback\n");});

        var f = n.contentWindow;
        f.document.open();
        f.document.write('');
        f.onload = function() {
          dump("459443-1.html: Entering f.onload callback\n");
          f.document.designMode = 'on';
          setTimeout(function() {
            dump("459443-1.html: Entering setTimeout callback\n");
            f.document.designMode='on';
            f.location = 'data:text/html;charset=utf-8,<body>FAIL<script>document.body.innerHTML="PASS"<\/script>';
            n.addEventListener("load",
                               function() {
                                   dump("459443-1.html: Entering n final " +
                                        "load callback; clearing className\n");
                                   document.documentElement.className = ''; });
          }, 0);
        };
        f.document.close();
    }
    </script>
  </body>
</html>