<!DOCTYPE HTML>
<html class="reftest-wait">
<head>
<title>Image reftest wrapper</title>
<style type="text/css">
  #image1 { background-color: rgb(10, 100, 250); }
</style>
<script>
  // The image is loaded async after the page loads
  // wait for it to finish loading
  function onImageLoad() { 
    document.documentElement.removeAttribute("class");
  };
</script>
</head>
<body>
<img id="image1">
<script>
  // Use as "wrapper.html?image.png"
  var imgURL = document.location.search.substr(1);
  document.images[0].onload = onImageLoad;
  document.images[0].onerror = onImageLoad;
  document.images[0].src = imgURL;
</script>
</body>
</html>