Не отправляется форма, ошибка "BX is not defined"

CJSCore::Init(array("ajax"));

<?php

CJSCore::Init(array("ajax"));

$isAjax = isset($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest';

if ($isAjax)
{
   require($_SERVER["DOCUMENT_ROOT"]."/bitrix/modules/main/include/prolog_before.php");
}
else
{
   require($_SERVER["DOCUMENT_ROOT"]."/bitrix/header.php");
}

?>
<div class="faq_pop">
   <?$APPLICATION->IncludeComponent(
      "bitrix:form.result.new",
      "faq",
      Array(
         "AJAX_MODE" => "Y",
         "WEB_FORM_ID" => "2",
         "IGNORE_CUSTOM_TEMPLATE" => "N",
         "USE_EXTENDED_ERRORS" => "Y",
         "SEF_MODE" => "N",
         "CACHE_TYPE" => "A",
         "CACHE_TIME" => "3600",
         "LIST_URL" => "",
         "EDIT_URL" => "",
         "SUCCESS_URL" => "",
         "CHAIN_ITEM_TEXT" => "",
         "CHAIN_ITEM_LINK" => "",
         "VARIABLE_ALIASES" => Array(
            "WEB_FORM_ID" => "WEB_FORM_ID",
            "RESULT_ID" => "RESULT_ID"
         ),
         'USE_CAPTCHA' => 'Y'
      ),
      null,
      array('HIDE_ICONS' => 'Y')
   );?>
   <? include $_SERVER['DOCUMENT_ROOT'] . '/include/fz_152_notice.php' ?>
</div>
<?

if ($isAjax)
{
   $assets = \Bitrix\Main\Page\Asset::getInstance();
   echo $assets->getCss();
   echo $assets->getJs(2);

   require($_SERVER["DOCUMENT_ROOT"]."/bitrix/modules/main/include/epilog_after.php");
}
else
{
   require($_SERVER["DOCUMENT_ROOT"]."/bitrix/footer.php");
}