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;