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;