<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<script type="text/javascript">

function boom()
{
  var a = document.getElementById("a");
  a.parentNode.removeChild(a);
}

</script>
</head>

<body onload="boom();">
<table style="border-collapse: collapse;">X<td id="a"/><td rowspan="0"/><tbody>Y<tr><td colspan="3"/></tr></tbody></table>
</body>

</html>