You don't need to have a paypal account to pay with paypal. You just need a credit card.
PayPal accepts the following cards:
Visa / Delta / Electron
MasterCard / Eurocard
PayPal Top Up Card
Maestro
American Express
Debit cards (also known as bank cards) are accepted if they have a Visa or MasterCard logo.
Click "Buy Now" link then select "Don't have a paypal account?"