sfHover = function() {
    var sfEls_lang = document.getElementById("drop_lang").getElementsByTagName("LI");
    for (var i=0; i<sfEls_lang.length; i++) {
        sfEls_lang[i].onmouseover=function() {
            this.className+=" sfhover";
        }
        sfEls_lang[i].onmouseout=function() {
            this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
        }
    }	
}
if (window.attachEvent) window.attachEvent("onload", sfHover);


//the next 3 lines are browser detection for user-agent DOMS
ns4 = (document.layers) ? true:false //required for Functions to work
ie4 = (document.all) ? true:false //required for Functions to work
ng5 = (document.getElementById) ? true:false //required for Functions to work