Table structure for table `user_geoups`

CREATE TABLE `user_groups` (
  `group_id` int(11) NOT NULL AUTO_INCREMENT,
  `group_name` varchar(255) COLLATE utf8_bin NOT NULL,
  `admin` int(11) NOT NULL,
  PRIMARY KEY (`group_id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_bin AUTO_INCREMENT=1 ;

Table structure for table `users`

CREATE TABLE `users` (
  `user_id` int(11) NOT NULL AUTO_INCREMENT,
  `user_name` varchar(255) COLLATE utf8_bin NOT NULL,
  `group_id` int(11) NOT NULL,
  PRIMARY KEY (`user_id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_bin AUTO_INCREMENT=1 ;

//you will get this id by the login form using cookies or session
$user_sql = @mysql_query(\"select * FROM `users` where user_id = \'1\'\");
$user = mysql_fetch_array($user_sql);

//now we get the group with the same method
$group_sql = @mysql_query(\"select * FROM `user_groups` where group_id = \'\".$user[\'group_id\'].\"\'\");
$group = mysql_fetch_array($group_sql);

    if (!$group[\'admin\']) {
        exit(\'you is not the admin\');	
    }