Авторизация пользователя Ajax Битрикс

auth.php

<?
include($_SERVER["DOCUMENT_ROOT"]."/bitrix/modules/main/include/prolog_before.php");
global $USER;
if (!is_object($USER)) $USER = new CUser;
$arAuthResult = $USER->Login($_REQUEST['login'], $_REQUEST['pass'], "Y");
$APPLICATION->arAuthResult = $arAuthResult;
exit(json_encode($arAuthResult));

script.js

//авторизация
$(document).on("click", '#auth_submit', function(e) {
    e.preventDefault();
      $.ajax({
          url: '/local/ajax/auth.php',
          data: {
            login: $('#auth_form input[name="login"]').val(),
            pass: $('#auth_form input[name="pass"]').val(),
        },
        dataType: 'json',
          success: function(result){
              if(result.TYPE == 'ERROR'){
                  $('#auth_result').html(result.MESSAGE);
              }else{
                  location.reload();
              }
          }
      });
});