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;