jsHover = function() {
                var hEls = document.getElementById("menu_2").getElementsByTagName("LI");
                for (var i=0, len=hEls.length; i<len; i++) {
                        hEls[i].onmouseover=function() { this.className+=" jshover"; }
                        hEls[i].onmouseout=function() { this.className=this.className.replace(" jshover", ""); }
                }
        }
        if (window.attachEvent && navigator.userAgent.indexOf("Opera")==-1) window.attachEvent("onload", jsHover);