function payment()
 {
     global $objComm, $lang;
     $ProductAmount = $objComm->membershipAmount();
     $ProductName = $objComm->membershipItemName();
     $memberid = $_SESSION['register']['member_id'];
     if ($memberid > 0) {
         $row = $this->getMembers($memberid);
         $TotalItemPrice = 0;
         $arrProducts = explode(",", $row->membership_type);
         $_SESSION['product_' . $memberid] = array();
         foreach ($arrProducts as $index => $Item) {
             $ItemName = urlencode($ProductName[$Item]);
             $ItemPrice = $ProductAmount[$Item];
             $ItemQuantity = 1;
             $arrPaymentData['PAYMENTREQUEST_' . $index . '_PAYMENTREQUESTID'] = $index;
             $arrPaymentData['PAYMENTREQUEST_' . $index . '_CURRENCYCODE'] = CURRENCY;
             $arrPaymentData['PAYMENTREQUEST_' . $index . '_AMT'] = $ItemPrice;
             $arrPaymentData['PAYMENTREQUEST_' . $index . '_ITEMAMT'] = $ItemPrice;
             $arrPaymentData['L_PAYMENTREQUEST_' . $index . '_QTY0'] = $ItemQuantity;
             $arrPaymentData['L_PAYMENTREQUEST_' . $index . '_AMT0'] = $ItemPrice;
             $arrPaymentData['L_PAYMENTREQUEST_' . $index . '_NAME0'] = $ItemName;
             $arrPaymentData['L_PAYMENTREQUEST_' . $index . '_NUMBER0'] = $Item;
             $arrPaymentData['PAYMENTREQUEST_' . $index . '_SELLERPAYPALACCOUNTID'] = "AI Club";
             $TotalItemPrice = $TotalItemPrice + $ItemPrice;
             $TokenData['product_' . $memberid][] = array('price' => $ItemPrice, 'name' => $ItemName, 'qty' => $ItemQuantity, 'no' => $Item, 'payment_request_id' => $index, 'seller_id' => "*****@*****.**");
         }
         $arrPaymentData['METHOD'] = 'SetExpressCheckout';
         $arrPaymentData['AMT'] = $TotalItemPrice;
         $arrPaymentData['PAYMENTACTION'] = 'Sale';
         $arrPaymentData['ALLOWNOTE'] = '1';
         //echo "<pre>"; print_r($_REQUEST); print_r($arrPaymentData); die(__FILE__."--".__LINE__);
         $objPayment = new payment($row);
         $objPayment->setPaymentData($arrPaymentData);
         $response = $objPayment->sendPaymentRequest();
         if (strtoupper($response['ACK']) == 'SUCCESS' || strtoupper($response['ACK']) == 'SUCCESSWITHWARNING') {
             $_SESSION['product_' . $memberid] = $TokenData['product_' . $memberid];
             $objPayment->redirecttopaypal($response['TOKEN']);
         } else {
             $_SESSION['member_error'] = $response['L_LONGMESSAGE0'];
             $objComm->redirect1("index.php?model=member&action=payment");
         }
     } else {
         $_SESSION['member_error'] = "Please fill up the form then you can do payment";
         $objComm->redirect1("index.php?model=member&action=register");
     }
 }