Redirecting at the Form Level
By default, Pardot forms display the specified Thank You content immediately upon submission, without sending the visitor to another page. Users do, however, have two options to redirect a user to a particular page.
There is a checkbox option on the Form Wizard under Completion Actions that says ““. Once this is checked, a redirect URL text box will appear for you to enter the page you want the visitor redirected.
The javacript code for a simple redirect would look something like the following:
You could also redirect into a new browser window and control the size of the pop-up with something like the following:
Redirecting at the Landing Page Level
If your form resides on a Pardot landing page, you can also redirect prospects to another page at the landing page level. This option is available at the bottom of the Content step of the Landing Page Wizard, found at http://www.pardot.com/help/faqs/landing-pages/landing-pages.