$lasttime = DB::result_first("SELECT dateline FROM ".DB::table('form_post')." WHERE tid='$_G[tid]' AND authorid='$_G[uid]' ORDER BY dateline DESC LIMIT 0,1");
$lasttime = DB::result_first("SELECT dateline FROM ".DB::table('form_post')." WHERE tid='$_G[tid]' AND authorid='$_G[uid]' ORDER BY dateline DESC LIMIT 1,1");