if ($tdata['thread_author'] == $userdata['user_id'] && $tdata['thread_help'] < 2 && $data['post_author'] != $userdata['user_id'] && $data['post_help'] == 0) {

echo "<a href='post.php?action=help&forum_id=$forum_id&thread_id=".$data['thread_id']."&post_id=".$data['post_id']."'><b>Pomóg³ mi</b></a>";

}