function startList() {
	if (document.all && document.getElementById) {
		navRoot = document.getElementById("nav");
		for (i=0; i<navRoot.childNodes.length; i++) {
			node1 = navRoot.childNodes[i];
			if (node1.nodeName=="LI") {
				node1.onmouseover=function() {
					this.className+=" over";
				}
				node1.onmouseout=function() {
					this.className=this.className.replace(" over", "");
				}
			}
		}
	}
}
window.onload = startList;