$paypal->set('cbt', 'Return to our site to validate your payment!');
# caption override for "Return to Merchant" button
// $paypal->set('shipping', 5); # this doesn't work for THIRD_PARTY_CART
$paypal->set('handling_cart', 1);
# this overide the individual items' handling "handling_x"
$paypal->set('tax_cart', 0.29);
# Add first item
$item = new GoPayPalCartItem();
$item->set('item_name', 'Drupal for Dummies');
$item->set('item_number', 10);
$item->set('amount', 9.99);
$item->set('quantity', 1);
$item->set('shipping', 1.5);
$item->set('handling', 1);
# this is overriden by "handling_cart"
$paypal->addItem($item);
# Add second item
$item = new GoPayPalCartItem();
$item->set('item_name', 'Front-end Drupal');
$item->set('item_number', 11);
$item->set('amount', 9.99);
$item->set('quantity', 1);
$item->set('shipping', 1.5);
$item->set('handling', 1);
# this is overriden by "handling_cart"
$paypal->addItem($item);
# If you set your custom button here, PayPal Pay Now button will be displayed.
$paypal->setButton('<button type="submit">Pay via PayPal - The safer, easier way to pay online!</button>');
echo $paypal->html();
if (sizeof($_POST)) {
echo '<pre>';
