// ==UserScript==
// @name Add Subscription
// @author Martin Jonáš  <info@matajon.net>
// @include http://forum.thesims2.cz/posting.php?mode=reply*
// @include http://forum.thesims2.cz/posting.php?mode=newtopic*
// ==/UserScript==
window.addEventListener('DOMContentLoaded', function() 
{
  var textArea = document.getElementsByTagName('textarea')[0];
  textArea.value = "\n\n____________\n Podpis :)";
  textArea.focus();
  textArea.setSelectionRange(0,0);
}, false);