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() {
					subUL = this.getElementsByTagName("ul");
					if(subUL.length>0) subUL[0].style.display = 'block';
					//this.className+=" over";
				}
				node.onmouseout=function() {
					subUL = this.getElementsByTagName("ul");
					if(subUL.length>0) subUL[0].style.display = 'none';
					//this.className=this.className.replace(" over", "");
				}
			}
		}
	}
}
addLoadEvent(startList)

// For adding multiple functions to onload event
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}