search for: difffernt

I am making a simple app which has just a few screens and I would like to do it with a single html file. The file has all of the difffernt componants of each screen in hidden div''s which I want to make visible and place as the visitor moves through the site. I can see that RoR has the ability but I am not quite getting it. The path is roughly login -> modify account -> submit data -> alter data -> logout pre...