ติดปัญหาการแบ่งหน้า เมื่อกด Next แล้วรูปหายครับ หลักการทำงานคือ ผมคลิก รูปภาพตัวอย่างที่หน้า index

            <div align="center"> 
 <a href='list_photogallery.php?id_titlegallery=<? echo $id_titlegallery?>' title="คลิก  ที่นี่เพื่อดูรูปภาพในหัวข้อนี้" target="_parent">   
<img src="../Admin/photoGallery/thumbs_group/<?=$thumb_titlegallery?>" alt="" width="90" height="100" border="2" /></a></div>

     <?
require_once("../config/functions.php");
OPEN_DB(); 

//session_start();

///$_SESSION['id_titlegallery'] = $_REQUEST['id_titlegallery'];
//$strSQL = "select * from lch_photogallery where id_titlegallery='".$_SESSION['id_titlegallery']."'";
$strSQL = "SELECT * FROM lch_photogallery where id_titlegallery='$id_titlegallery'";
$objQuery = mysql_query($strSQL) or die ("Error Query [".$strSQL."]");
$Num_Rows = mysql_num_rows($objQuery);

$Per_Page = 10;   // 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  id_photogallery ASC LIMIT $Page_Start , $Per_Page";
$objQuery  = mysql_query($strSQL);
echo"<table border=\"0\"  cellspacing=\"1\" cellpadding=\"1\"><tr>";
$intRows = 0;
while($objResult = mysql_fetch_array($objQuery))
{
$intRows++;
echo "<td>";									
?>
  <table width="91" border="0" cellspacing="0" cellpadding="0">
<tr>
  <td>
  <div align="center">
  <a href="../Admin/photoGallery/images_large/<?=$objResult['thumb_photogallery'];?>" target="_blank">
<img src="../Admin/photoGallery/images_small/<?=$objResult['thumb_photogallery'];?>" width="120" height="130" border="1"></a>
</div></td>
</tr>
<tr>
  <td><div align="center"><?=$objResult["GalleryName"];?></div></td>
</tr>
</table>
<?
	echo"</td>";
	if(($intRows)%5==0)
	{
	echo"</tr>";
	}
	else
	{
	echo "<td>";
	}	
}

echo"</tr></table>";
?>

<br>
Total <?= $Num_Rows;?> Record : <?=$Num_Pages;?> Page :
<?
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=$Next_Page'>Next>></a> ";
}
mysql_close($objConnect);
?>