key for place absolute div element to mouse posistion when clicked

<script>
function supplier_detile(){
var e = window.event;
$('#supplier_detile').offset({left:e.pageX -450,top:e.pageY+15}).show(800).offset({left:e.pageX -450,top:e.pageY+15});loadsupplierdetile('supplier');document.getElementById('supplier_detile').style.zIndex='99';
}
</script>