Plugin for accepting payments via PayPal payment system.
PayPal Website Payments Standard is the fastest and easiest way to accept payments via PayPal payment system. With this payment option enabled on your website, customers can place an order and then proceed to the PayPal secure payment page to pay for their orders. They will need to either log in to their PayPal accounts to make a payment, or to choose the credit card payment option, if offered.
PayPal integration plugin setup instructions for Shop-Script 5 are available at http://www.webasyst.com/help/89/shop-script-5-paypal-standard/