private void button2_Click(object sender, EventArgs e)
        {
            GeckoElementCollection followamf = geckoWebBrowser1.Document.GetElementsByTagName("input");
            foreach (GeckoHtmlElement item in followamf)
            {
                string aux = item.GetAttribute("id");
                if (aux != null && aux != "" && aux.Equals("wrapper"))
                {
                    geckoWebBrowser1.CreateWindow += webBrowser_CreateWindow;
                    item.Click();
                    break;

                }
            }
        }