// JavaScript Document
var timeout    = 500;
var closetimer = 0;
var ddmenuitem = 0;

function jsddm_open() {
   jsddm_canceltimer();
   jsddm_close();
   ddmenuitem = $(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;
   }
}