cgHover = function() {
	var nodes = document.getElementById("menu").getElementsByTagName("LI");
	for (var i=0; i<nodes.length; i++) {
		nodes[i].onmouseover=function() {
			this.className+=" cgOver";
		}
		nodes[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" cgOver\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", cgHover);