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<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">
function x()
{
document.removeEventListener("DOMAttrModified", x, false);
document.removeChild(document.documentElement);
}
function boom()
{
var p = document.createElementNS("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul", "progressmeter");
document.addEventListener("DOMAttrModified", x, false);
document.documentElement.appendChild(p);
}
</script>
</head>
<body onload="boom();"></body>
</html>
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