bitrix delete js

<?php
AddEventHandler("main", "OnEndBufferContent", "deleteJs");
function deleteJs(&$content) {
   global $USER, $APPLICATION;
   if((is_object($USER) && $USER->IsAuthorized()) || strpos($APPLICATION->GetCurDir(), "/bitrix/")!==false) return;
   if($APPLICATION->GetProperty("save_kernel") == "Y") return;


if ($APPLICATION->GetCurPage(true) == SITE_DIR."index.php"){
//css
if(preg_match_all('#<link.+?href=".+?kernel_main\/kernel_main\.css\?\d+"[^>]+>|<link.+?href=".+?tml\/page_[^>]+>#i',$content,$hSc)){
if(!empty($hSc[0])){
$scriptH=implode('',$hSc[0]);//все скрипты
$content=preg_replace('#\s*(<link.+?href=".+?kernel_main\/kernel_main\.css\?\d+"[^>]+>|<link.+?href=".+?tml\/page_[^>]+>)\s*#i','',$content);
$content=strtr($content,array('</body>'=>$scriptH.'</body>'));
}
}

if(preg_match_all('#<script(?:.|\n|\r)+?<\/script>#i',$content,$hSc)){
if(!empty($hSc[0])){
$scriptH=implode('',$hSc[0]);//все скрипты
$content=preg_replace('#\s*<script(?:.|\n|\r)+?<\/script>\s*#i','',$content);
 $content = preg_replace("/<!--(.*?)-->/s", "", $content);
  $content = preg_replace("/[\x0d\x0a]+/", " ", $content);
  $content = preg_replace("/>\s{4,}</", "> <", $content);
 $content = preg_replace('/(["\'])\s+\/>/', '\1/>', $content);
$content=strtr($content,array('</body>'=>$scriptH.'</body>'));
}
}


}

}