function startList() 
{
 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", "");
    }
   }
  }
 }
}