I think this could be done less complicated if you use a conditional action, and that your problems are due to the fact that you have a different Next button for each caption, with a different pausing point. To solve the issue with the back button you would micro-navigation (going back to the frame before the pausing point of each button). I would use one Next button and one Back button.
Which version do you use? If it is CP6, please the exact version: 6.0.1.240 or 6.1.319.
Is this the work flow you want:
- first caption appears with a Next button
- Next button triggers an action to show the second caption, play head remains in same frame
- second caption appears, Next button remains + Back button appears
- Next button triggers an action to show the third caption, play head remains in same frame
- Back button triggers an action to show again the first caption, play head remains in same frame
- third caption appears, Next and Back button remain
- Next button triggers an action to show the fourth caption, play head remains in same frame
- Back button triggers an action to show again the second caption, play head remains in same frame
- fourth caption appears, only Back button remains, Continue button appears
- Back button triggers an action to show again the third caption, play head remains in same frame
- Continue button is a Go to Next Slide
If you confirm this work flow, will try to explain. You'll need a user variable to track which caption is visible.
Lilybiri