sfHover = function() {

        var sfEls = document.getElementById("elementmenu").getElementsByTagName("LI");

        for (var i=0; i<sfEls.length; i++) {

                sfEls[i].onmouseover=function() {

                        this.className+=" sfhover";

                }

                sfEls[i].onmouseout=function() {

                        this.className=this.className.replace(new RegExp(" sfhover\\b"), "");

                }

        }

}

if (window.attachEvent) window.attachEvent("onload", sfHover);