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;