var startList=function(){
	if(document.all && document.getElementById){
		var menuRoot=document.getElementById("Menu");
		for(var i=0;i<menuRoot.childNodes.length;i++){
			var node=menuRoot.childNodes[i];
			if(node.nodeName=="LI"){
				node.onmouseover=function(){
					this.className+=" over";
				}
				node.onmouseout=function(){
					this.className=this.className.replace(" over","");
				}
			}
		}
	}
}
window.onload=startList;