<!DOCTYPE html>
<html class="reftest-wait">
<head>
<meta charset="UTF-8">
<script>

function boom()
{
  document.documentElement.appendChild(document.getElementById("f").contentDocument.getElementById("m"));
  document.documentElement.removeAttribute("class");
}

</script>
</head>
<body onload="boom();">
<iframe id="f" src="data:text/html;charset=UTF-8,<!DOCTYPE html><body><marquee id=m>"></iframe>
</body>
</html>