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;