<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 table = document.getElementById("table");
  var tr = document.getElementById("tr");
  var td = document.getElementById("td");
  
  table.style.border = "2px dotted magenta";
  tr.removeChild(td);
}

</script>
</head>

<body onload="boom();">

<table id="table" style="-moz-binding: url(#foo);">
  <tr id="tr">
    <td id="td"></td>
  </tr>
</table>

</body>

</html>