<html xmlns="http://www.w3.org/1999/xhtml" style="filter: url('#b');">
<head></head>
<body onload="document.getElementById('a').style.position = 'relative';">
<hbox xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" style="float: left;" id="a"><treecols id="b"/></hbox>
</body>
</html>