Javascript to be Used
<script type="text/javascript">
function TrackParent()
{
var timeout;
try
{
if(window.opener.parent);
{
timeout= self.setTimeout('TrackParent()',500);
}
}
catch(e)
{
this.close();
}
}
</script>
On Master Page
Add this on body tag
<body onload="TrackParent();">