SA:MP Forum auto post reply

// ==UserScript==
// @name        SA:MP Auto post reply
// @namespace   SAMP
// @description Auto reply on thread when it's possible
// @include     http://forum.sa-mp.com/showthread.php*
// @include     https://forum.sa-mp.com/showthread.php*
// @require       http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js
// @version     1
// @grant       none
// @authro coapsyfactor
// ==/UserScript==
$(document).ready(function () {
  var form = $('#qrform'),
      regex = new RegExp(/[A-Z]*([0-9])\w+/g),
      errorMsg = null,
      waitTimeout = null;

  if (form.length == 0) {
    return;
  }

  form.on('submit', function (e) {
    var counter = 0, waitTime;

    errorMsg = {
       length: 0
    };

    try {
      clearTimeout(waitTimeout);
    } catch (e) {}

    var interval = setInterval(function () {
      if (counter == 10) {
        clearInterval(interval);
        counter = 0;
        return;
      }

      errorMsg = $('#qr_error_td li');

      if (errorMsg.length) {
        clearInterval(interval);

        errorMsg.filter(function () {
          return regex.test($(this).html());
        });

        waitTime = parseInt(new String($(errorMsg[0]).text()).match(/[A-Z]*([0-9])\w+/g)[1]) + 3;

        if (!waitTimeout) {
          var timeout = setTimeout(function () {
            clearInterval(interval);
            clearTimeout(timeout);

            if ($(form).find('textarea').val().length > 4) {
              $(form).submit();
            }
          }, waitTime * 1000);
        }
      } else {
        counter++;
      }
    }, 1000);
  });
});