<head>
<script type="text/javascript" language="javascript">
function show()
{
var t = document.getElementById("t1");
var a = document.selection.createRange().parentElement();
alert(t.contains(a));
}
</script>
</head>
<body>
<table width="100%" border="0" cellspacing="0" cellpadding="0" />
</body>
</html>