CREATE TABLE IF NOT EXISTS `readposts` (
  `id` int(10) unsigned NOT NULL auto_increment,
  `userid` int(10) unsigned NOT NULL default '0',
  `topicid` int(10) unsigned NOT NULL default '0',
  `lastpostread` int(10) unsigned NOT NULL default '0',
  PRIMARY KEY  (`id`),
  KEY `userid` (`id`),
  KEY `topicid` (`topicid`)
) ENGINE=MyISAM  DEFAULT CHARSET=latin1 AUTO_INCREMENT=13820 ;