Thought it was time I shared a trick I learned.
In Fireworks CS4 if your prototype uses buttons or links for Back (to previous page), or Previous (in a wizard), or modal dialogs that can be dismissed (via OK/Cancel), enter this in the object's Link: property
Now, no matter what you rename your pages, these links will always work to take you to the previously viewed page.
Also, a quick alert can be created by putting this in an object's Link property:
Very cool! Thanks for sharing!