public function sfDownloadCsv($csv_id, $where = '', $arrVal = array(), $order = '', $is_download = false)
    {
        $objQuery =& SC_Query_Ex::getSingletonInstance();

        // CSV出力タイトル行の作成
        $arrOutput = SC_Utils_Ex::sfSwapArray($this->sfGetCsvOutput($csv_id, 'status = ' . CSV_COLUMN_STATUS_FLG_ENABLE));
        if (count($arrOutput) <= 0) return false; // 失敗終了
        $arrOutputCols = $arrOutput['col'];

        $cols = SC_Utils_Ex::sfGetCommaList($arrOutputCols, true);

        // 商品の場合
        if ($csv_id == 1) {
            // この WHERE 句を足さないと無効な規格も出力される。現行仕様と合わせる為追加。
            $inner_where = 'dtb_products_class.del_flg = 0';
            $from = SC_Product_Ex::prdclsSQL($inner_where);
        // 会員の場合
        } elseif ($csv_id == 2) {
            $from = 'dtb_customer';
        // 注文の場合
        } elseif ($csv_id == 3) {
            $from = 'dtb_order';
        // レビューの場合
        } elseif ($csv_id == 4) {
            $from = 'dtb_review AS A INNER JOIN dtb_products AS B on A.product_id = B.product_id';
        // カテゴリの場合
        } elseif ($csv_id == 5) {
            $from = 'dtb_category';
        }

        $objQuery->setOrder($order);
        if($csv_id == 3){
        	$sql = "SELECT dtb_order.order_id, dtb_order_detail.product_code, dtb_order_detail.product_name, dtb_order_detail.quantity 
        	FROM dtb_order 
        	INNER JOIN dtb_order_detail ON dtb_order.order_id = dtb_order_detail.order_id 
        	WHERE del_flg = 0 
        	ORDER BY order_id DESC";
        	unset($arrOutput['disp_name']);
        	$arrOutput['disp_name'] = array("受注番号","品番","商品名","数量");
        } else {
        	$sql = $objQuery->getSql($cols, $from, $where);
        }

        return $this->sfDownloadCsvFromSql($sql, $arrVal, $this->arrSubnavi[$csv_id], $arrOutput['disp_name'], $is_download);
    }