startList = function() {
   if (document.all&&document.getElementById) {
      navRoot = document.getElementById("nav");
      navRoot1 = document.getElementById("nav1");
      navRoot2 = document.getElementById("nav2");
      navRoot3 = document.getElementById("nav3");
      for (var 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", "");
            }
         }
      }
      for (var i=0; i<navRoot1.childNodes.length; i++) {
         node1 = navRoot1.childNodes[i];
         if (node1.nodeName=="LI") {
            node1.onmouseover=function(){
               this.className+=" over";
            }
            node1.onmouseout=function() {
               this.className=this.className.replace(" over", "");
            }
         }
      }
      for (var i=0; i<navRoot2.childNodes.length; i++) {
         node2 = navRoot2.childNodes[i];
         if (node2.nodeName=="LI") {
            node2.onmouseover=function(){
               this.className+=" over";
            }
            node2.onmouseout=function() {
               this.className=this.className.replace(" over", "");
            }
         }
      }
      for (var i=0; i<navRoot3.childNodes.length; i++) {
         node3 = navRoot3.childNodes[i];
         if (node3.nodeName=="LI") {
            node3.onmouseover=function(){
               this.className+=" over";
            }
            node3.onmouseout=function() {
               this.className=this.className.replace(" over", "");
            }
         }
      }


   }
}
window.onload=startList;