startList = function() {

if (document.all&&document.getElementById) {
	navRoot = document.getElementById("top-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;