Need help with swapdepth I guess?

Ello everyone…i have 3 image let’s say image0,image2,image3 and one button…so my question is how to change between 3 image by using only one button…I mean 1st click show image0,2nd click show image1 and 3rd click show image2…only using one button…is it something got to do with swapdepth…I really need help with it…

thks in advanced