sfHover = function() {

                var sfEls = document.getElementById("site-map-inner").getElementsByTagName("ul");

                for (var i=0; i<sfEls.length; i++) {

                                sfEls[i].onmouseover=function() {

                                                this.className+=" showList";

                                }

                                sfEls[i].onmouseout=function() {

                                                this.className=this.className.replace(new RegExp(" showList\\b"), "");

                                }

                }

}

if (window.attachEvent) window.attachEvent("onload", sfHover);