What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
I've checked your form and it seems you have already added a Paypal Payment integration on it?
To learn more about how to setup an order form, you can check this guide: http://www.jotform.com/help/165-Setting-Up-Your-First-Order-Form.
For our other payment integration, this guide might be of a help: http://www.jotform.com/help/323-Mastering-Payment-Form-Integrations-with-JotForm.
If you are still having problems on this, please let us know.