startList = function()
{
  if(document.all&&document.getElementById)
  {
    menuRoot = document.getElementById("menu");
    for(i=0; i<menuRoot.childNodes.length; i++)
    {
      node = menuRoot.childNodes[i];
      if(node.nodeName=="LI")
      {
        node.onmouseover=function() { this.className+=" over"; }
        node.onmouseout=function() { this.className=this.className.replace(" over", ""); }
      }
    }
  }
}
window.onload=startList;