case 'clearPoints':
echo $onePageCheckout->clearPoints();
break;
case 'setShippingMethod':
echo $onePageCheckout->setShippingMethod($_POST['method']);
break;
case 'setSendTo':
case 'setBillTo':
echo $onePageCheckout->setCheckoutAddress($action);
break;
case 'checkEmailAddress':
echo $onePageCheckout->checkEmailAddress($_POST['emailAddress']);
break;
case 'saveAddress':
case 'addNewAddress':
echo $onePageCheckout->saveAddress($action);
break;
case 'selectAddress':
echo $onePageCheckout->setAddress($_POST['address_type'], $_POST['address']);
break;
case 'redeemVoucher':
echo $onePageCheckout->redeemCoupon($_POST['code']);
break;
case 'setMembershipPlan':
echo $onePageCheckout->setMembershipPlan($_POST['planID']);
break;
case 'updateCartView':
if ($cart->count_contents() == 0) {
echo 'none';
} else {
include DIR_WS_INCLUDES . 'checkout/cart.php';
