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;