var timeout    = 500;
var closetimer = 0;
var ddmenuitem = 0;
var obecny=0;

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

function jsddm_close()
{  
	if(ddmenuitem) {
		ddmenuitem.css('visibility', 'hidden');
		obecny.removeClass('select');	
	}

}

function jsddm_timer()
{  closetimer = window.setTimeout(jsddm_close, timeout);}

function jsddm_canceltimer()
{  if(closetimer)
   {  window.clearTimeout(closetimer);
      closetimer = null;}}

$(document).ready(function()
{
	

  $('ul.menu > li').bind('mouseover', jsddm_open)
   $('ul.menu > li').bind('mouseout',  jsddm_timer)});

document.onclick = jsddm_close;