function setHover(node) {
	for (var i=0; i<node.childNodes.length; i++) {
		var node1 = node.childNodes[i];
		if (node1.nodeName=="UL") {
			for (var j=0; j<node1.childNodes.length; j++) {
				var node2 = node1.childNodes[j];
				if (node2.nodeName=="LI") {
					node2.onmouseover=function(){this.className+=" hover";}
					node2.onmouseout=function(){this.className=this.className.replace(" hover", "");}
					setHover(node2);
				}
			}
		}
	}
}
function startList() {
	if (document.all&&document.getElementById) {
		var node = document.getElementById("menu");
		setHover(node);
	}
}
startList();