TeMaLuck,
$tanks_code = mysql_fetch_array(mysql_query(\"SELECT * FROM `tanks` WHERE `id_u`=\'\".$user[\'id\'].\"\'\"
;
$user=mysql_fetch_array(mysql_query(\"SELECT * FROM `user`\"smile);
mysql_query(\"UPDATE `tanks` SET `fuel` = `fuel` + \'10\' WHERE `fuel` < \'100\' AND `id`=\'\".$user[\'id\'].\"\'\"
;
?>