แบ่งหน้าแสดงข้อมูลแต่พอกดที่เลข 2 กลับไม่แสดงข้อมูลครับ

<?
$type_id= $_GET["type_id"];
?>

	  <?
	  
	include("connect.php");
	mysql_query("SET NAMES UTF8");
	$strSQL = "SELECT * FROM product WHERE type_id = ' ".$type_id." ' ";
	$objQuery = mysql_query($strSQL) or die ("Error Query [".$strSQL."]");
	//แบ่งหน้า
	$Num_Rows = mysql_num_rows($objQuery);

$Per_Page = 12;   // Per Page

$Page = $_GET["Page"];
if(!$_GET["Page"])
{
	$Page=1;
}

$Prev_Page = $Page-1;
$Next_Page = $Page+1;

$Page_Start = (($Per_Page*$Page)-$Per_Page);
if($Num_Rows<=$Per_Page)
{
	$Num_Pages =1;
}
else if(($Num_Rows % $Per_Page)==0)
{
	$Num_Pages =($Num_Rows/$Per_Page) ;
}
else
{
	$Num_Pages =($Num_Rows/$Per_Page)+1;
	$Num_Pages = (int)$Num_Pages;
}

$strSQL .=" order  by pro_id DESC LIMIT $Page_Start , $Per_Page";
$objQuery  = mysql_query($strSQL);
//////////////////////////////////////////////////////////	
	
	echo"<table border=\"0\"  cellspacing=\"1\" cellpadding=\"5\"><tr valign=bottom>";	
	$intRows = 0;
	while($objResult = mysql_fetch_array($objQuery))
	{
	$intRows++;
	echo "<td valign=bottom>";									
	?>
	  <table width="91" border="0" cellspacing="1" cellpadding="1">
        
        <tr >
          <td><div align="center"><a href="frm_showpro.php?pro_id=<?=$objResult["pro_id"];?>"><img src="MyResize/<?=$objResult["pro_Thumbnails"];?>"  border="0"></a></div></td>
        </tr>
        <tr>
          <td><div align="left">รหัส :&nbsp;<font color = color="#999999" size="-1"><?=$objResult["pro_id"]; ?></font></div></td>
        </tr>
        <tr>
          <td><div align="left"><b><?=$objResult["pro_name"];?></b></div></td>
        </tr>
         <tr>
          <td>
          <? if($objResult["pro_price"] != 0)
		  	{
		  ?>
          <div align="left">ราคา:&nbsp;<b><font color="#FF0000"><?=$objResult["pro_price"];?></font>&nbsp;บาท</b></div>
          <?
			}
			else
			{
		 ?>
         
			<div align="left">ราคา:&nbsp;<b><font color="#0000FF">ตามหน้าร้าน</font></b></div>	
           <?
			}
		  ?>
          
          
          
          

      
	    <?
		echo"</td>";
		if(($intRows)%3==0)
		{
		echo"</tr>";
		}
		else
		{
		echo "<td>";
		}	
	}
	echo"</tr></table>";
	?>
    <br>
สินค้าทั้งหมด <?= $Num_Rows;?> ชิ้น : <?=$Num_Pages;?> หน้า :
<?
if($Prev_Page)
{
	echo " <a href='$_SERVER[SCRIPT_NAME]?Page=$Prev_Page'><< Back</a> ";
}

for($i=1; $i<=$Num_Pages; $i++){
	if($i != $Page)
	{
		echo "[ <a href='$_SERVER[SCRIPT_NAME]?Page=$i'>$i</a> ]";
	}
	else
	{
		echo "<b> $i </b>";
	}
}
if($Page!=$Num_Pages)
{
	echo " <a href ='$_SERVER[SCRIPT_NAME]?Page=$Next_Page'>Next>></a> ";
}
	    
	mysql_close($con);
	?>	
  
  </div></td>
  </tr>
</table></td>
  </tr>
  <tr>
    <td></td>
  </tr>
</table></td>
              </tr>
              <tr valign="top">
                <td>&nbsp;</td>
              </tr>
          </table></td>
        <td width="200" valign="top"><table width="200" border="0">
            <tr>
              <td><? include("rightmenu.php"); ?>
                </td>
            </tr>
            <tr>
              <td><? include("contact.php"); ?>
</td>
            </tr>
          </table></td>
      </tr>
    </table></td>
  </tr>
  <tr valign="top">
    <td>&nbsp;</td>
  </tr>
</table>
</body>
</html>