Auto-like4like

// ==UserScript==
// @name         Auto-like4like
// @namespace    duclvz
// @version      0.1
// @description  try to take over the world!
// @author       duclvz
// @match        https://www.like4like.org/free-facebook-likes.php
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    window.onload=function(){
        setInterval(function(){
          if (document.querySelector('td span a').href == 'https://www.like4like.org/contact.php')
            location.reload();
          document.querySelector('td span a').click();
        }, 15000)
    };
})();