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", "");
            }
           }
          }
         }
        }