mysql_query("insert into ".$prefix."_forumtopics set topic_id='$topic_id',topic_title='$topic_title',topic_poster='$topic_poster',topic_time='$topic_time',topic_views='$topic_views',forum_id='$forum_id',topic_status='$topic_status',topic_notify='$topic_notify'");
}
mysql_query("alter table ".$prefix."_forums drop column forum_topics");
mysql_query("alter table ".$prefix."_forums drop column forum_posts");
mysql_query("alter table ".$prefix."_forums drop column forum_last_post_id");