var $j142 = jQuery.noConflict();

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

function jsddm_open()
{  jsddm_canceltimer();
   jsddm_close();
   ddmenuitem = $j142(this).find('ul').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;}}

$j142(document).ready(function()
{  $j142('#nav > li').bind('mouseover', jsddm_open)
   $j142('#nav > li').bind('mouseout',  jsddm_timer)
   });

document.onclick = jsddm_close;