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

function jsddm_open()
{  jsddm_canceltimer();
   jsddm_close();
   ddmenuitem = $(this).find('ul').css('visibility', 'visible');
   if(ddmenuitem) ddmenuitem.parent("li").addClass("hovered");
}

function jsddm_close()
{
	if(ddmenuitem) {
		ddmenuitem.css('visibility', 'hidden');
		ddmenuitem.parent("li").removeClass("hovered");
	};
}

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

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

$(document).ready(function()
{
	$('nav.mod_navigation ul.level_1 > li').bind('mouseover', jsddm_open)
	$('nav.mod_navigation ul.level_1 > li').bind('mouseout',  jsddm_timer)
	
	// add dropdown class if there's a submenu
	$('nav.mod_navigation ul.level_1 li ul').parent("li").addClass("dropdown");
	
}
);

document.onclick = jsddm_close;