CREATE TABLE IF NOT EXISTS `invites` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `id_user` int(11) NOT NULL,
  `user_name` varchar(20) NOT NULL,
  `inv` varchar(6) DEFAULT NULL,
  `name_inv` varchar(20) DEFAULT '',
  `id_inv` int(11) NOT NULL,
  `act` enum('1','2') NOT NULL DEFAULT '1',
  `time` int(11) NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=MyISAM  DEFAULT CHARSET=utf8 AUTO_INCREMENT=0 ;

   users
ALTER TABLES `users` ADD `inv_u` varchar(25) NOT NULL;
ALTER TABLES `users` ADD `inv` tinyint(1) NOT NULL DEFAULT '0';
