sfHover = function()
        {
           var sfEls = document.getElementById("top_menu").getElementsByTagName("LI");
           for (var i=0; i<sfEls.length; i++)
           {
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              {
                 this.className+=" sfhover";
              }

              sfEls[i].onmouseout=function()
              {
                 this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
              }
           }
        }
        if (window.attachEvent) window.attachEvent("onload", sfHover);