<html xmlns="
http://www.w3.org/1999/xhtml"
xmlns:xul="
http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
class="reftest-wait">
<head>
<script>
function boom()
{
var y = document.getElementById("y");
y.parentNode.removeChild(y);
document.documentElement.removeAttribute("class");
}
</script>
</head>
<body onload="setTimeout(boom, 30);">
<div style="float: left">X<xul:hbox><input type="radio"/></xul:hbox></div>
<div id="y" style="float: left">Y</div>
</body>
</html>
