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;