Multi-page forms one page to another

I have seen some multipage gravity forms in action and it looks like it uses javascript to go from one "page" to another, however the page url doesn't change. So if I was on http://www.mywebsite.com/contact and I click the next button it just hides the original questions and shows the newer questions whilst still being on the same http://www.mywebsite.com/contact URL. Is it possible to parse content from one website url to another whilst still maintaining the form data from the first URL using Gravity Forms?

I really need this feature as what I want to do is have an email address field in the footer of my website where the user types in their email address, and when they click submit/next it takes them to a new page with more fields like name and address etc. but I want to retain the users email address they already submitted (this is because I don't want every page to have a massive form in the footer.

You can also do this with dynamic population from one from to another. Meaning you would need to do this with two forms. Form 1 would contain your email field and the confirmation redirect url would go to the URL to form 2 and pass data via query string where an email field will be on this form and set to populate dynamically, and it will pull in the data from form 1 appropriately.

It's easy, I can help you out if you get stuck. There is documentation as well:

http://www.gravityhelp.com/documentation/page/Using_Dynamic_Population