Acá te lo paso.
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function notice(){
menutext.style.left=document.body.scrollLeft+event .clientX
menutext.style.top=document.body.scrollTop+event.c lientY
menutext.style.visibility="visible"
return false
}
function hidenotice(){
menutext.style.visibility="hidden"
}
//-->
</script>
<!--[if IE]>
<div id="menutext"><div url=""></div></div>
<![endif]-->
<script language="JavaScript1.2">
<!--
document.oncontextmenu=notice;
if (document.all&&window.print)
document.body.onclick=hidenotice;
//-->
</script>
Saludos