function initPage()
{
     //var navRoot = document.getElementById("copy");
     var lis = document.getElementsByTagName("li");
     for (var i=0; i<lis.length; i++)
     {
          lis[i].onmouseover = function()
          {
               this.className += " hover";
          }
          lis[i].onmouseout = function()
          {
               this.className = this.className.replace(new RegExp("hover"),"");
          }
     }

}




if (window.addEventListener)
     window.addEventListener("load", initPage, false);
else if (window.attachEvent)
     window.attachEvent("onload", initPage);