IEHoverPseudo = function() { 
     var navItems = document.getElementById("ul_NavBar").getElementsByTagName("li"); 

     for (var i=0; i<navItems.length; i++) { 
          if(navItems[i].className == "menuparent") { 
               navItems[i].onmouseover=function() { this.className = "menuparent over"; } 
               navItems[i].onmouseout=function() { this.className = "menuparent"; } 
          } 
     }

}
if (window.attachEvent) window.attachEvent("onload", IEHoverPseudo);