Вывести картинку раздела и подраздела битрикса

<?
$arSelect = Array("ID", "NAME", "DATE_ACTIVE_FROM", "PREVIEW_PICTURE", "DETAIL_PICTURE");
$arFilter = Array("IBLOCK_ID"=>IntVal($arSection["IBLOCK_ID"]), "SECTION_ID" => $arSection["ID"], "INCLUDE_SUBSECTIONS" => "Y", "ACTIVE_DATE"=>"Y", "ACTIVE"=>"Y");
$res = CIBlockElement::GetList(Array(), $arFilter, false, Array("nPageSize"=>1), $arSelect);
while($ob = $res->GetNextElement())
{
$arFields = $ob->GetFields();

$ID_PICTYRE = $arFields["PREVIEW_PICTURE"];
$URL = CFile::GetPath($ID_PICTYRE);

?>
<img src="<?=$URL?>" >
<?
}
?>