// JavaScript Document
// Show and hide layers
function isMouseLeaveOrEnter(e, handler)
{
if (e.type != 'mouseout' && e.type != 'mouseover') return false;
var reltg = e.relatedTarget ? e.relatedTarget :
e.type == 'mouseout' ? e.toElement : e.fromElement;
while (reltg && reltg != handler) reltg = reltg.parentNode;
return (reltg != handler);
}