Help needed

This is Ajith here
I need help in flash. Problem is very simple.
I am working on one flash presentation. Which have 15-20 Scenes(Slides). Each slide ave some teen and sound I kept 2 layers in all scenes One for sound and other for text and bg image. I need all slides to flow automatically till end.

Now the issue is when I try to export this in to swf this automatic flow stops some were 15th slide. then if i want to continue that i need to press continue button

Can any one help me to solve this?