mysql_query("SELECT * FROM news WHERE IDN > '".$last_id."' AND FIND_IN_SET('$followers_arr', E_mail) ORDER BY IDN ASC");
$followers_str = implode(',', $followers_arr);
mysql_query("SELECT * FROM `news` WHERE `IDN` > '".$last_id."' AND `E_mail` IN (".$followers_str.") ORDER BY `IDN` ASC");
mysql_query("SELECT * FROM `news` WHERE `IDN` > '".$last_id."' AND `E_mail` IN (".$followers_arr.") ORDER BY `IDN` ASC");