如何在magento成功页面中动态集成JS代码

我知道成功。php是我应该把我想要执行的代码的文件，但我从CJ收到这个文件，这不是一个html，它是一个php类。

问题很简单:我想知道我怎样才能把这个文件融入成功。收到订单后返回php。?

谢谢

class CommissionJunction extends Mage_Core_Helper_Data
{
    /**
     * Get SKU, quantity, price and discount amount for each product in a given order
     * @param object $order
     * @return array
     */
    private function _getOrderProductsList($order) {
        $orderItems = $order->getAllItems();
        $purchasedSkus = array();
        $count_orderItems = count($orderItems);
        for($i = 0; $i < $count_orderItems; $i++) {
            $purchasedSkus[$i] = array(
              'ITEM' => $orderItems[$i]['sku'],
                'QTY' => number_format($orderItems[$i]['qty_ordered'],0), // no decimals
                'AMT' => number_format($orderItems[$i]['price'],2) // 2 decimal places
                'DCNT' => number_format(abs($orderItems[$i]['discount_amount']),2) */
            );
        }
        return $purchasedSkus;
    }
    /**
     * Get the Universal Data (JSON) Object for Commission Junction.
     * This object contains the order details passed on to Commission Junction for reporting purposes
     * on the Checkout Success / Order Confirmation page.
     * Notes:
     *  - CID, TYPE AND CURRENCY are hard coded
     * @param string $orderId
     * @return JSON object Universal Data Object for Commission Junction $json_masterTmsUdp
     */
    public function getCommissionJunctionUdo($orderId) {
        $order = Mage::getModel('sales/order')->loadByIncrementId($orderId);
        $udo = array();
        $udo['CID'] = 'XXXX';
        $udo['TYPE'] = 'XXXX';
        $udo['CURRENCY'] = 'USD';
        $udo['OID'] = $orderId;
        $udo['DISCOUNT'] = number_format(abs($order->discount_amount),2);
        $order_coupon_code = $order->coupon_code;
        if(!is_null($order_coupon_code) && !empty($order_coupon_code)) {
            $udo['COUPON'] = $order_coupon_code;
        }
        $udo['PRODUCTLIST'] = self::_getOrderProductsList($order);       
        if(Mage::getModel('core/cookie')->get('aff_commissionjunction') == 'cjafflx') {
            $udo['FIRECJ'] = "TRUE";
        }
        else {
            $udo['FIRECJ'] = "FALSE";
        }
        $masterTmsUdo['CJ'] = $udo;
        $json_masterTmsUdo = json_encode($masterTmsUdo);
        return $json_masterTmsUdo;
    }

}

<script> var MasterTmsUdo = { 'CJ' : { 'CID': '123', 'TYPE': '123', 'DISCOUNT' : '5.00', 'OID': 'SAMPLE_OID', 'CURRENCY' : 'USD', 'COUPON' : 'SAVE20', 'FIRECJ' : 'xxxx', PRODUCTLIST : [ { 'ITEM' : 'ABC', 'AMT' : '1.00', 'QTY' : '3' }, { 'ITEM' : 'ABC', 'AMT' : '5.00', 'QTY' : '1' } ] } }; </script>