SELECT `blogs_comm`.*, `blogs_comm`.`id` AS `subid`, `users`.`rights`, `users`.`lastdate`, `users`.`sex`, `users`.`status`, `users`.`datareg`,`users`.`id` FROM `blogs_comm` LEFT JOINn`users` ON `blogs_comm`.`user_id` = `users`.`id` WHERE `sub_id` = '".$blog_id."' ORDER BY `subid` DESC LIMIT $start, $kmess