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", "");
			}
		}
	}
  }
}
window.onload=startList;