function initPage()
{
 var nav = document.getElementById("nav");
 if (nav)
 {
  var nodes = nav.getElementsByTagName("li");
  for (var i = 0; i < nodes.length; i++)
  {
   nodes[i].onmouseover = function () 
   {
    this.className += " hover";
    var div = this.getElementsByTagName("div")[0];
   if (div.parentNode == nodes[i]) {div.style.width = this.offsetWidth + "px";}
   }
   nodes[i].onmouseout = function ()
   {
    this.className = this.className.replace(" hover", "");
   }
  }
 }
}
if (window.attachEvent)
 window.attachEvent("onload", initPage);