var timeout    = 500;
var closetimer = 0;
var ddmenuitem = 0;
var ddtopmenuitem = 0;
var openmenu = false;

function menu_open()
{
  menu_canceltimer();
  menu_close();

  if($(this).parent().find('ul').attr('id') != openmenu)
  {
    openmenu = $(this).parent().find('ul').attr('id');
    ddmenuitem = $(this).parent().find('ul').fadeTo('100', '0.99');
  }
  else
  {
    openmenu = $(this).parent().find('ul').attr('id');
    ddmenuitem = $(this).parent().find('ul').fadeTo('100', '0.99');
  }

  ddtopmenuitem = $(this).addClass('navactive');
}

function menu_opened()
{
  menu_canceltimer();
  menu_close();

  ddmenuitem = $(this).css('display', 'block');
  ddtopmenuitem = $(this).parent().find('a:first').addClass('navactive');
}

function menu_close(resetmenu)
{
  $('#subnav > li ul').hide();
  if(resetmenu == true)
  {
    openmenu = false;
  }

  if(ddtopmenuitem)
  {
    ddtopmenuitem.removeClass('navactive');
  }
}

function menu_timer()
{
  closetimer = window.setTimeout("menu_close(true)", timeout);
}

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

var psTimeout = 10000;
var timer;

$(document).ready(function() {
  $('#subnav > li > a').mouseover(menu_open);
  $('#subnav > li ul').mouseover(menu_opened);
  $('#subnav > li ul').mouseout(menu_timer);
});

document.onclick = menu_close;

$(document).unload(function() {
  GUnload();
});

function urlencode( str ) {
    // http://kevin.vanzonneveld.net
    // +   original by: Philip Peterson
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +      input by: AJ
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: Brett Zamir
    // %          note: info on what encoding functions to use from: http://xkr.us/articles/javascript/encode-compare/
    // *     example 1: urlencode('Kevin van Zonneveld!');
    // *     returns 1: 'Kevin+van+Zonneveld%21'
    // *     example 2: urlencode('http://kevin.vanzonneveld.net/');
    // *     returns 2: 'http%3A%2F%2Fkevin.vanzonneveld.net%2F'
    // *     example 3: urlencode('http://www.google.nl/search?q=php.js&ie=utf-8&oe=utf-8&aq=t&rls=com.ubuntu:en-US:unofficial&client=firefox-a');
    // *     returns 3: 'http%3A%2F%2Fwww.google.nl%2Fsearch%3Fq%3Dphp.js%26ie%3Dutf-8%26oe%3Dutf-8%26aq%3Dt%26rls%3Dcom.ubuntu%3Aen-US%3Aunofficial%26client%3Dfirefox-a'

    var histogram = {}, tmp_arr = [];
    var ret = str.toString();

    var replacer = function(search, replace, str) {
        var tmp_arr = [];
        tmp_arr = str.split(search);
        return tmp_arr.join(replace);
    };

    // The histogram is identical to the one in urldecode.
    histogram["'"]   = '%27';
    histogram['(']   = '%28';
    histogram[')']   = '%29';
    histogram['*']   = '%2A';
    histogram['~']   = '%7E';
    histogram['!']   = '%21';
    histogram['%20'] = '+';

    // Begin with encodeURIComponent, which most resembles PHP's encoding functions
    ret = encodeURIComponent(ret);

    for (search in histogram) {
        replace = histogram[search];
        ret = replacer(search, replace, ret) // Custom replace. No regexing
    }

    // Uppercase for full PHP compatibility
    return ret.replace(/(\%([a-z0-9]{2}))/g, function(full, m1, m2) {
        return "%"+m2.toUpperCase();
    });

    return ret;
}