startList = function() {
				if (document.all&&document.getElementById) {
					navRoot = document.getElementById("categories");
					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;