<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<bindings xmlns="http://www.mozilla.org/xbl">
<binding id="foo">
<content>
<div xmlns="http://www.w3.org/1999/xhtml" style="position: fixed;">
<children xmlns="http://www.mozilla.org/xbl"/>
</div>
</content>
</binding>
</bindings>
<script type="text/javascript">
function boom()
{
var div = document.getElementById("div");
var caption = document.getElementById("caption");
div.removeChild(caption);
div.style.position = "inherit";
}
</script></head>
<body onload="boom();">
<div id="div" style="-moz-binding: url(#foo);"><caption id="caption"></caption></div>
</body>
</html>