<script for=window event=onbeforeunload >
if (event.clientX > document.body.clientWidth && event.clientY < 0 )
if(confirm("are you sure"))
{window.opener=null;window.close();}
else return;
</script>
if (event.clientX > document.body.clientWidth && event.clientY < 0 )
if(confirm("are you sure"))
{window.opener=null;window.close();}
else return;
</script>
if (event.clientX > document.body.clientWidth && event.clientY < 0 )
if(confirm("are you sure"))
{window.opener=null;window.close();}
else return;
</script>
if (event.clientX>document.body.clientWidth &&event.clientY<0 ¦ ¦event.altKey)
return ""
</script>