var 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", "");
				}
			}
		}
	}
}


function addEvent(el, evname, func) {
	if(!el["on"+evname] && el!=window && el!=document) return el["on"+evname]=func;
	if(el.attachEvent) el.attachEvent("on"+evname, func); // IE
	else if(el.addEventListener) el.addEventListener(evname, func, true); // Gecko / W3C
	else el["on"+evname]=func;
};

addEvent(window, "load", startList)