// JavaScript Document
// Drop Down


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

function tnav_open()
{  tnav_canceltimer();
   tnav_close();
   ddmenuitem = $(this).find('ul').css('visibility', 'visible');}

function tnav_close()
{  if(ddmenuitem) ddmenuitem.css('visibility', 'hidden');}

function tnav_timer()
{  closetimer = window.setTimeout(tnav_close, timeout);}

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

$(document).ready(function()
{  $('#tnav > li').bind('mouseover', tnav_open)
   $('#tnav > li').bind('mouseout',  tnav_timer)});

// document.onclick = jsddm_close;