Windows phone 7

Hi,

I need some help :

I want to know how to swich pages every second ( orevery any other timeslice), for example :

I have 5 pages, and i want to to be shown like this :

1st second -> page 1

2nd second -> page 2

3rd second -> page 3

4th second -> page 4

5th second -> page 5

6st second -> page 1

and so on...

How do I do that ?

thanks