Paypal Button Generator: Generate buttons to pay prefilled orders in Paypal

This class can be used to generate buttons that can be placed in Web pages to make it easier for clients to pay for pre-filled orders in Paypal.

It can build orders or one or more items. It may also associate values of taxes, postage and handling that need to be paid by the clients as part of the whole order when necessary.

The class generates a form with hidden fields that are used to pass the order details and a button that is presented in the Web pages to let the users push to submit the order to be paid in Paypal site.

The presentation details of the submit button are configurable using CSS styles and custom button images.