function initMenu(){
	var nodes = document.getElementById("menu").getElementsByTagName("li");
	for (var i=0; i<nodes.length; i++){
		nodes[i].onmouseover = function(){
			this.className += " hover";
			if (this.getElementsByTagName('ul').length > 0){
				this.getElementsByTagName('ul')[0].style.width = this.offsetWidth;
			}
		}
		nodes[i].onmouseout = function(){
			this.className = this.className.replace(" hover", "");
		}
	}
}
if (document.all && !window.opera) attachEvent("onload", initMenu);