function startList(list_id) {
	var d = document;

	if (d.all & d.getElementById) {
		navRoot = d.getElementById(list_id);
		for (i = 0; i < navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName == "LI") {
				node.onmouseover = function() {
					this.className += " over";
					this.style.zIndex = 450;
				}
				node.onmouseout = function() {
					this.className = this.className.replace(" over", "");
					this.style.zIndex = 0;
				}
			}
		}
	}
}