function startList() {
	if (document.all&&document.getElementById) {

		navRoot = document.getElementById("menu");
		for (i=0; i<navRoot.childNodes.length; i++) {

			node = navRoot.childNodes[i];

			if (node.nodeName=="LI") {

				node.onmouseover=function() {
					this.className+=" over";
				}

				node.onmouseout=function() {
					this.className=this.className.replace(" over", "");
				}
			}
		}
	}
}

window.onload = startList;