startList = function() {
		if (document.all && document.getElementById) {
			var navRoot = document.getElementById("top-menu");
			var numberElements = navRoot.childNodes.length;
			for(i=0; i<numberElements; 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;