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

window.onload=startList;