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;