//   JavaScript   Document   
    
  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",   "");   
        }   
        }   
      }   
    }   
  }   
  window.onload=startList;