var timeout = 500;
            var closetimer = 0;
            var ddmenuitem = 0;
            var hovering = false;

            function jsddm_open() {
                jsddm_canceltimer();
                jsddm_close();
                hovering = $(this);
                hovering.addClass('hovering');
                ddmenuitem = $(this).find('ul').eq(0).css('visibility', 'visible');
            }

            function jsddm_close() {
                if(hovering) {
                    hovering.removeClass('hovering');
                    hovering = false;
                }
                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;