<!DOCTYPE html>
<html class="reftest-wait">
<head>
<script>

function boom()
{
  var frame = document.getElementById("frame")
  var frameSVG = frame.contentDocument.getElementById('s');
  var animate = frame.contentDocument.createElementNS("http://www.w3.org/2000/svg", "animate");
  frame.parentNode.removeChild(frame);
  frameSVG.appendChild(animate);
  document.documentElement.removeAttribute("class");
}

</script>
</head>

<body onload="boom()">

<iframe id="frame" src="data:text/html,%3Cbody%3E%3Csvg id=s%3E"></iframe>

</body>
</html>