if ( $mid ) {
		# ищем по ID сообщения
		$sth = $dbh->prepare("SELECT F.ID, F.NAME, F.DESCR, F.MESS_ORDER, F.MESS_PER_PAGE, 
F.DATE_OF_CREATE, F.TOPIC_COUNT, F.MSG_COUNT FMSG_COUNT, F.URL, F.TIME_TO_EDIT, F.MAILING, 
IF((T.DATE_OF_CREATE + INTERVAL F.TIME_TO_EDIT MINUTE) > NOW(), 1, 0), TEMPL.CONTENT, T.NAME, T.CONTENT, T.DATE_OF_CREATE, 
T.UID, T.NICK, T.MSG_COUNT TMSG_COUNT, T.VIEWCOUNT, 
T.STATUS, T.ID, COUNT(M.ID), F.REGISTRATION_REQUIRED, F.CAPTCHA_REQUIRED 
FROM ((($tblForums F INNER JOIN $tblTopics T ON F.ID = T.FID) 
	INNER JOIN $tblTemplates TEMPL ON F.TEMPLATE2 = TEMPL.ID) 
		INNER JOIN $tblMessages M ON M.TOPID = T.ID) 
			INNER JOIN $tblMessages M2 ON M.TOPID = M2.TOPID 
WHERE F.ENABLED = 'Y' AND M.ID = ? AND T.ENABLED = 'Y' AND M2.ID errstr;
		$sth->execute($mid, $mid) or die $sth->errstr;
 
		unless ( $sth->rows ) {
			# нет нужного сообщения. Удалили, например
			$mid = 0;
		}
	}