CIBlockDocument::IsDocumentLocked

static function IsDocumentLocked($documentId, $workflowId)
{
	global $DB;
	$strSql = "
		SELECT * FROM b_iblock_element_lock
		WHERE IBLOCK_ELEMENT_ID = ".intval($documentId)."
		AND LOCKED_BY <> '".$DB->ForSQL($workflowId, 32)."'
	";
	$z = $DB->Query($strSql, false, "FILE: ".__FILE__."
LINE: ".__LINE__);
	if($z->Fetch())
		return true;
	else
		return false;
}