<html class="reftest-wait">
<head>
<script>
function boom()
{
  document.getElementById("frameset").removeChild(document.getElementById("frame"));
  document.documentElement.removeAttribute("class");
}
</script>
</head>

<frameset id="frameset" onload="setTimeout(boom, 100)">
  <frame id="frame" src="data:text/html,<body onUnload=&quot;location = 'http://www.mozilla.org/'&quot;>This frame's onunload tries to load another page.">
</frameset>

</html>
