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