startList = function() {
		
		if (document.all&&document.getElementById) {
		navRoot = document.getElementById("nav");
		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;