Issue with fill in the blank field and back button.

I am working in CP4 AS2.  I have create a page of fill in the blank fields to simulate filling in a form.  On the next slide, I show the answers by extracting the variables into text boxes.  I have a back and a next button and instruct the user to review their answers and if incorrect, to select the back button in order to reenter the data.  I have the back button set to jump to the previous slide by number (i've tried previous, last slide, etc...)

The flash movie freezes when I select the back button.  I think flash is having trouble going back to the fill in the blank fields from the displayed variables.  Any ideas? or work arounds for this.  The idea solution would take them back to the page with the data already in the fields so they could correct the errors only and then return to the review page.

Thanks

Scott