function submenuRollover() {
	if (document.getElementById) {
		navRoot = document.getElementById("menu");
	
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			
			if (node.className=="submenu") {
				alert(node.NodeName);
				for (n=0; n<node.childNodes.length; n++) {
											
					subnode = node.childNodes[n];
					if(subnode.nodeName=="LI") {				   
						subnode.onmouseover=function() {
							this.parentNode.className+=" over";
							alert(this.parentNode.nodeName);
							alert(this.parentNode.className);
							}
							node.onmouseout=function() {
								this.parentNode.className=this.parentNode.className.replace(" over2", "");
							}
					}
				}
			}
		}
	}
}