รบกวนช่วยดู code select ให้หน่อยครับ ว่าเขียนผิดตรงไหน รันแล้วมัน error ตลอด

                <?
	 		 $i=0;
$sql = "select * from orders Where or_date='$yy-$mm-$dd' ";
echo $sql;
		$query =  mysql_query($sql);
		while($result= mysql_fetch_array($query))
		{
			 $i++;
			?>

<?php
$strSQL="select order_detail.prod_id,products.prod_id,products.prod_name,products.prod_total,SUM(order_detail.quantity) as total  from order_detail LEFT OUTER JOIN products ON ";
$strSQL=$strSQL."order_detail.prod_id = products.prod_id GROUP BY order_detail.prod_id HAVING order_detail.or_id='$result=[or_id]' ";
$strQUERY=mysql_query($strSQL,$conn);
$strNum=mysql_num_rows($strQUERY);
while ($data = mysql_fetch_array($strQUERY))  {
//$strResult=mysql_fetch_array($strQUERY);
?>
                <tr bgcolor="#e5e5e5">
                  <td width="63" bgcolor="#FFFFFF"><div align="center" class="style2"><?=$i;?>
                  </div></td>
                  <td width="112" bgcolor="#FFFFFF"><div align="center" class="style2">
                      <div align="center">
                        <?=$result["prod_id"];?>
                    </div>
                  </div></td>
                  <td width="222" bgcolor="#FFFFFF"><div align="center"><a href="orderdetail.php?OrID=<?=$data["prod_id"];?>" target="_blank" class="style2">
                    <?=$data["prod_name"];?>
                  </a></div></td>
                  <td width="107" bgcolor="#FFFFFF"><div align="center"><a href="orderdetail.php?OrID=<?=$result["or_id"];?>" target="_blank" class="style2">
                    <?=$data["prod_total"];?>
                  </a> </div></td>
                  <td width="107" bgcolor="#FFFFFF"><div align="center"><a href="orderdetail.php?OrID=<?=$result["or_id"];?>" target="_blank" class="style2">
                    <?=$data["total"];?>
                  </a></div></td>
                </tr>
                <?
				}
	                         	}	
	                      	?>