สอบถามการเก็บ SESSION ในการ fetch ข้อมูลออกมากจาก Database

<?php

$sqls = "SELECT * FROM cusorder
inner JOIN customer ON cusorder.cus_id = customer.cus_id WHERE 

cusorder.cus_id='$cus_id'";

$results = mysql_query($sqls);
?>

<table width="550" border="1" align="center">
          
          <tr>
            <td width="87" bgcolor="#FFFFFF">รหัสการสั่งซื้อ</td>
            <td width="64" bgcolor="#FFFFFF">วันที่สั่งซื้อ</td>
            <td width="103" bgcolor="#FFFFFF">สถานะการจัดส่ง</td>
            <td width="115" bgcolor="#FFFFFF">สถานะการโอนเงิน</td>
            <td width="119" bgcolor="#FFFFFF">แจ้งการชำระเงิน</td>
            </tr>
          <?php 
		  while ($rows = mysql_fetch_array($results)){
		  
			  $OID = $rows['OrderID'];
			  $sqlss = "SELECT * FROM payment WHERE 

OrderID = '$OID' ";
			  $resultss = mysql_query($sqlss);
			  $rowss = mysql_fetch_array($resultss);
		  ?>
          <tr>
            <td bgcolor="#FFFFFF"><a href="#" class="style6 style10 

style13 style14" onclick='window.open(&quot;Order_details_print.php?

ID=<?php echo $rows['OrderID'];?>&quot;,null, 

&quot;height=400,width=650,status=no,toolbar=no,menubar=no,location=no

,directories=no,scrollbars=yes,address=no&quot;)'>000<?php echo $rows

['OrderID'];?></a></td>
            <td bgcolor="#FFFFFF"><?php echo $rows['OrderDate'];?

></td>
            <td bgcolor="#FFFFFF"><?php echo $rows['OrderStatus'];?

></td>
              
            <td bgcolor="#FFFFFF"><?php 
			if($rowss['PayStatus']!="")
			{
				echo $rowss['PayStatus'];
			}
			else
			{
			echo "ยังไม่ได้ชำระเงิน";
            }?>            </td>
            
            <td align="center" bgcolor="#FFFFFF">
            <a href="#" class="style6 style10 style13 style14" 

onclick='window.open(&quot;payment.php?ID=<?php echo $rows

['OrderID'];?>&quot;,null, 

&quot;height=400,width=650,status=yes,toolbar=no,menubar=no,location=n

o,directories=no,scrollbars=yes,address=no&quot;)'><img 

src="images/btntransferMoney.png" alt="" width="100" height="30" 

/></a></td>
            </tr>
             <?php }?>
        </table>