function startList() {
   if (document.all && document.getElementById) {
      if (document.getElementById("allcategoriesnav")) {
         navRoot = document.getElementById("allcategoriesnav");
         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", ""); }
            }
         }
      }
   }
}