var timeout    = 100;
            var closetimer = 0;
            var ddmenuitem = 0;
            function jsddm_open()
            {  jsddm_canceltimer();
               jsddm_close();
               ddmenuitem = $(this).find('ul').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 > ul > li').bind('mouseover', jsddm_open)
               $('#jsddm > ul > li').bind('mouseout',  jsddm_timer)});
            document.onclick = jsddm_close;