function initPage()
{
 var nav = document.getElementById("menu");
 if (nav)
 {
  var nodes = nav.getElementsByTagName("li");
  for (var i = 0; i < nodes.length; i++)
  {
   if (nodes[i].parentNode.id == "menu")
   {
    nodes[i].onmouseover = function () 
    {
     this.className += " hover";
    }
    nodes[i].onmouseout = function ()
    {
     this.className = this.className.replace(" hover", "");
    }
   }
  }
 }
}
if (window.attachEvent && !window.opera)
 window.attachEvent("onload", initPage);