อัพเดทหัวข้อกระทู้ ยังไงเหรอครับ รวมถึงการปักหมุดด้วยครับ

$condition= " WHERE frm_id = ". $_GET["id"] ." "; 
} 

$sql = "SELECT * FROM forum_topic". $condition." ORDER BY pin_flag DESC, frm_id DESC"; 
$query_id = mysql_query($sql . " LIMIT " . $limit_start. "," . $limit_end, $con); 
$count = mysql_num_rows($query_id); 
$total = mysql_num_rows(mysql_query($sql, $con)); 
if($total > 0){ 
while($rows = mysql_fetch_assoc($query_id)){ 
$query2="SELECT count(re_id) as numreply from forum_reply WHERE re_topic_ref=$rows[frm_id] ";// นับจำนวนคำตอบเก็บไว้ใน numreply

$result2=mysql_query($query2,$con);
$row2=mysql_fetch_assoc($result2);
$numreply=$row2['numreply'];

?>
<tr>

<td><img src="images_frm/mud.jpg" width="12" height="12">&nbsp;-&nbsp;</td>
<td><a href="pin_flag.php?id=<?=$rows["frm_id"]?>"><img src="images_frm/pinsp.ico" width="24" height="24" border="0"></a><?=$rows["frm_id"]?></td>
<td><a href="admin_view.php?id=<?=$rows["frm_id"]?>"><?=$rows["frm_title"]?></a> (<?=$rows["frm_name"]?>)</td>
<td><?=$rows["frm_view"]?></td>
<td><?=$numreply;?></td>// แสดงจำนวน ตอบ
<td><?=$rows["frm_posttime"]?></td>

</tr>

<?

}
?>