function goLogin() {
  var connect, form, response, result, user, pass, sesion;
  user = __('user_login').value;
  pass = __('pass_login').value;
  sesion = __('session_login').checked ? true : false;
  form = 'user=' + user + '&pass=' + pass + '&sesion=' + sesion;
  connect = window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject('Microsoft.XMLHTTP');
  connect.onreadystatechange = function() {
    if (connect.readyState == 4 && connect.status == 200) {
        if (connect.responseText == 1) {
            result = '<div class="alert alert-dismissible alert-success">';
            result += '<h4>Conectado</h4>';
            result += '<p><strong>Estamos Redireccionando</strong></p>';
            result += '</div>';
            __('_AJAX_LOGIN_').innerHTML = result;
            location.reload();
      } else {
            __('_AJAX_LOGIN_').innerHTML = connect.responseText;
      }
    } else if (connect.readyState != 4) {
        result = '<div class="alert alert-dismissible alert-warning">';
        result += '<button type="button" class="close" data-dismiss="alert">x</button>';
        result += '<h4>Procesando....</h4>';
        result += '<p>Estamos inteantando ingresar....</p>';
        result += '</div>';
        __('_AJAX_LOGIN_').innerHTML = result;
    }
  }
  connect.open('POST','ajax.php?mode=login',true);
  connect.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
  connect.send(form);
}

function runScriptLogin(e) {
  if (e.keyCode == 13) {
    goLogin();
  }
}