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;