var timeout         = 500;
    var closetimer		= 0;
    var ddmenuitem      = 0;
    function jsddm_open(){
    jsddm_canceltimer();
    jsddm_close();
    ddmenuitem = $(this).find('ul').eq(0).css('visibility', 'visible');}
    function jsddm_close(){
    if(ddmenuitem) ddmenuitem.css('visibility', 'hidden');}
    function jsddm_timer(){
    closetimer = window.setTimeout(jsddm_close, timeout);}
    function jsddm_canceltimer(){
    if(closetimer){
    window.clearTimeout(closetimer);
    closetimer = null;}}
    $(document).ready(function(){
    $('#jsddm > li').bind('mouseover', jsddm_open)
    $('#jsddm > li').bind('mouseout',  jsddm_timer)});
    document.onclick = jsddm_close;