startList = function() {
	if (document.all&&document.getElementById) {
		navRoot = document.getElementById("navigation");
		nodes = navRoot.getElementsByTagName("li");
		for (i=0; i < nodes.length; i++ ) {
			node = nodes[i];
			node.onmouseover=function() {
				this.className+=" over";
			}
			node.onmouseout=function() {
				this.className=this.className.replace(" over", "");
			}
		}
		navRoot = navRoot.childNodes[0];
		for (i=0; i < navRoot.childNodes.length; i++) {
			var node = navRoot.childNodes[i];
			if ( node.nodeName && node.nodeName == "LI" ) {
				node.style.zIndex = navRoot.childNodes.length + 1 - i;
			}
		}
	}
}
window.onload=startList;