ช่วยดูโค้ด sql inner join ให้ ที คะ ไม่รู้ว่า ผิดตรงไหน

$sqlorder2 = "select pro_group,pro_id,pro_name,pro_story,pro_status,pro_price,pro_disprice,pro_img,product.pro_id,order_id from product inner join order_detail on product.pro_id = order_detail.pro_id  where order_id = '".$_GET["order_id"]."' order by order_id";
		echo $sqlorder2;
				$reorder2 = mysql_query("$sqlorder2");
				while($roworder2 = mysql_fetch_array($reorder2)){