CSGL TimeZone Changer

Change CSGO timezones.
As of 25. 09. 2014. See the latest version.
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// ==UserScript==
// @name        CSGL TimeZone Changer
// @version     1.1
// @description Change CSGO timezones.
// @match       http://csgolounge.com/*
// @match 		http://dota2lounge.com/*
// @require     http://code.jquery.com/jquery-2.1.1.js
// @copyright   Josh Hubbard
// @namespace 	https://greasyfork.org/users/5596
// ==/UserScript==

$(function () {
  var $box = $('.gradient').first(),
      $timeBox = $box.find('.half:eq(2)'),
   	  dt = new Date(),
      theHour = dt.getHours(),
      theMinutes = dt.getMinutes(),
      tzOffset = (dt.getTimezoneOffset()/60) + 2,
      hour = parseInt(hour) - tzOffset,
      AMorPM = "";

  // Converts CEST to local on match page.
  if ($timeBox.length) {
    var timeInCEST = $timeBox.text(),
        hour = timeInCEST.split(" ")[0].split(":")[0],
        minute = timeInCEST.split(" ")[0].split(":")[1];
      
    hour = hour - tzOffset;
    
    if (hour < 0) hour = 24 + hour;  
   
    if (hour == 12) {
      AMorPM = "PM";
    } else if (hour > 12) {
      hour = hour - 12;
      AMorPM = "PM";      
    } else {
      AMorPM = "AM";
    }
    
    $timeBox.html("(" + hour + ":" + minute + " " + AMorPM + ") " + $timeBox.html());
  
  }

  // Shows times on front page.
  $boxes = $( ".whenm:contains('hour'):contains('from now'),.whenm:contains('minute'):contains('from now')" ); 
    
  if ($boxes.length) {
    $boxes.each(function(i) {
      ($(this).text().indexOf("hour") > 0) ? multiplier = 60 : multiplier = 1;
      
      var offset = parseInt(parseInt($(this).text().substring(1))),
          gameTime = new Date(dt.getTime() + (offset*60000*multiplier)),
          gameHour = gameTime.getHours(),
          gameMinute = gameTime.getMinutes();
        
      if ($(this).text().indexOf("hour") > 0) {
        if (theMinutes > 30) gameHour = gameHour + 1;
        gameMinute = "00";
      } else {
        (gameMinute === 0) ? gameMinute = "00" : gameMinute = gameMinute;
      }
        
      (gameHour >= 12) ? AMorPM = "PM" : AMorPM = "AM";
      if (gameHour > 12) gameHour = gameHour - 12;   
         
      thisHTML = $(this).html();
      $(this).html(thisHTML + " (" + gameHour + ":" + gameMinute + " " + AMorPM + ")");
    });
  }
  
});