Manual integration on book flip slide show

[ghostme]

1) Script Title: bookflip slideshow

2) Script URL (on DD): http://dynamicdrive.com/dynamicindex14/bookflip.htm

3) Describe problem:Hello good pple of the forum please how can i turn this wonderful slideshow into a manual slideshow with buttons, for instance an onclick function attached to a button to move to the next picture.

[ghostme]

Any help please