ALTER TABLE `$table_settings` ADD `u2uwelcomestatus` set('on','off') NOT NULL default 'off';
ALTER TABLE `$table_settings` ADD `u2uwelcomefrom` varchar(32) NOT NULL default '';
ALTER TABLE `$table_settings` ADD `u2uwelcomesubject` varchar(100) NOT NULL default '';
ALTER TABLE `$table_settings` ADD `u2uwelcomemessage` text NOT NULL;