php mysql ดูโค้ดให้หน่อยคับพอดีมันติด Warning แล้วไม่รู้จะแก้ไขตรงไหนค่ะ

<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<? ob_start();
@session_start();
include ("connet.php");
?>
<?php
   $sqlshopd ='SELECT * from product ';
  $pagelen=5;//จำนวนข้อมูลต่อหน้า
  $numrang=9;#ระยะห่างระหว่างจำนวนเลขหน้า
  $page=$_GET['page']*1;
  if($page==''){ $page=1; }
  $CountPd = mysql_fetch_array(mysql_query('SELECT count(pro_id) FROM product '));
  $totalrecords= $num_rows = $CountPd[0];
  $totalpage = ceil($num_rows / $pagelen);
  $goto = ($page-1) * $pagelen;
  $start=$page-$numrang;
  $endd=$page+$numrang;
  if ($start <= 1) $start = 1;
  if($endd >= $totalpage)$endd=$totalpage;
 $sqlshopd .=" LIMIT ".$goto.",".$pagelen;
  $rsShowProduct=mysql_query($sqlshopd) ;
?>
  <table width="750" border="0" align="center" cellpadding="0" cellspacing="0">
  <tr>
  <td width="224"><strong>รูปสินค้า</strong></td>
  <td width="520"><strong>รายละเอียด</strong></td>
  </tr>
  <tr>
  <td colspan="2" align="right"><?php
  if ($page > 1) { $back = $page - 1;
  echo ' <a href="'.$_SERVER['PHP_SELF'].'?page=1" class="pagi" onclick="pagiClick(this); return false;">First</a> ';
  echo ' <a href="'.$_SERVER['PHP_SELF'].'?page='.$back.'" class="pagi" onclick="pagiClick(this); return false;">&laquo;</a> ';
  if ($start > 1) {
  echo ' ... ';
  }
  }
  if($totalpage >1){
  for($i=$start ; $i<=$endd ; $i++){
  if ($i == $page ) {
  echo $i;
  } else {
  echo ' <a href="'.$_SERVER['PHP_SELF'].'?page='.$i.'" class="pagi" onclick="pagiClick(this);return false;">'.$i.'</a> ';
  }
  }
  }
  if ($page< $totalpage) {
  $next = $page +1;
  if ($endd < $totalpage) {
  echo " ... ";
  }
  echo ' <a href="'.$_SERVER['PHP_SELF'].'?page='.$next.'" class="pagi" onclick="pagiClick(this); return false;">&raquo;</a> ';
  echo ' <a href="'.$_SERVER['PHP_SELF'].'?page='.$totalpage.'" class="pagi" onclick="pagiClick(this); return false;">Last</a> ';
  }
  ?></td>
  </tr>
  <?php while($ShowProduct=mysql_fetch_array($rsShowProduct)){?>
  <tr>
  <td valign="top"><img src="../img_pd/<?=$ShowProduct['pro_pic']?>" width="144"></td>
  <td valign="top"><strong><?=$ShowProduct['pro_name'];?></strong>
   
 <?=$ShowProduct['pro_detail']?></td>
  </tr>
  <?php } ?>
  </table>
  <?php
  mysql_free_result($rsShowProduct);
  mysql_close($objConnect);
  ?>