function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	}
	else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}
startList = function() {
	if (document.all&&document.getElementById) {
		navWrapper = document.getElementById("topmenu");
		colList = navWrapper.getElementsByTagName("LI");
			for (i=0; i<colList.length; i++) {
				node = colList[i];
				if (node.nodeName=="LI") {
					node.onmouseover=function() {
						this.className+=" over";
					}
					node.onmouseout=function() {
						this.className=this.className.replace(" over", "");
					}
				}
			}
	}
}
addLoadEvent(startList);