php mysql สอบถามเรื่องฟังค์ชั่นแบ่งหน้าครับ ไม่แสดงตัวนำทางครับ

<?
					  	 include'config.inc.php';
						 ?>
<?						 
						 $strSQL = "SELECT * FROM tb_newstravel ";
$objQuery = mysql_query($strSQL) or die ("Error Query [".$strSQL."]");
$Num_Rows = mysql_num_rows($objQuery);

$Per_Page = 100;   // Per Page

$Page = $_GET["Page"];
if(!$_GET["Page"])
{
	$Page=4;
}

$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 tb_newstravel n_id ASC LIMIT $Page_Start , $Per_Page";
$objQuery  = mysql_query($strSQL);
?>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link rel="stylesheet" type="text/css" href="css.css" />
<table width="100%" border="0">
        <tr>
          <td width="100%" height="199" valign="top">
		  
<title>Admin ดูแลระบบ</title>
<table width="100%" border="0" align="center">
  <tr>
    <td>&nbsp;</td>
    <td valign="top">
<table width="95%" border="0" cellspacing="0" cellpadding="0">
  <tr>สินค้าทั้งหมด</h3></b></td>
    <td width="52%"><div align="right"></div></td>
  </tr>
</table></td>
  </tr>
  <tr>
    <td valign="top">&nbsp;</td>
    <td><table width="100%" border="0" cellspacing="0" cellpadding="0">
      <tr>
        <td valign="top"><form  method="post" action="del_news.php" >
          <table align="center" id="box-table-a">
            <tr>
          <br />
<input name="Sdel" type="submit" id="Sdel" value="ลบรายการที่เลือก" />
                                <br>
              <td width=5% ><div align="center"><strong>ลำดับ</strong></div></td>
			  <td width=5% ><div align="center"><strong>รูปภาพ</strong></div></td>
              <td width=16% ><div align="center" ><strong>ชื่อสินค้า</strong></div></td>
			  <td width=13% ><div align="center" ><strong>รหัสสินค้า</strong></div></td>
              <td width=13% ><div align="center" ><strong>ราคา</strong></div></td>
              <td width=9% ><div align="center" ><strong>แก้ไข</strong></div></td>
              <td width=4% ><div align="center" ><strong>ลบ</strong></div></td>
            </tr>

<tr bgcolor=#FFFFFF> 
    <td width=5%><div align="center"><font color="#000000"><? echo" $d[n_id] ";
							  ?></font></div></td>
    <td width=5%><div align="center"><font color="#000000"><? echo" <img src='$siteurl/images/news/$d[n_image]' alt='รองเท้าแฟชั่น$datahead' width='50'  cellspacing='5' />";
							  ?></font></div></td>
    <td width=12%><div align="center"><font color="#000000"><? echo" $d[n_topic] ";
							  ?></font></div></td>
    <td width=13%><div align="center"><? echo" $d[code] ";
							  ?></div></td>							  
    <td width=13%><div align="center"><? echo" $d[n_copy] ";
							  ?></div></td>
    <td width=9%><div align="center"><? echo" <a href=edit.php?id=$d[n_id] >เเก้ไข</a>"; ?></div></td>
	<td width=4%><div align="center"><? echo"<INPUT TYPE=checkbox  NAME='del[]'  value=$d[n_id] >"; ?></div></td>
</tr>
 <input name="Sdel" type="submit" id="Sdel" value="ลบรายการที่เลือก" />
<br>
          </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);
?>

                                <br>
                        </form>
          <BR><br></td>
      </tr>
    </table></td>
  </tr>
</table>