Cycle2 plugin set options programatically

Cycle2 plugin set options programatically

Hi.

I have a few slide shows on my site (abbeybookspaisley.co.uk).  I'd like to change properties in one place rather than for individual slide shows.
I have jquery 1.91 and jquery.cycle2.js loaded.  I also load my own file, Myjquery.js, which I know works OK since I can get Pause/Play buttons to work.

If I add this to Myjquery.js:

$('.cycle-slideshow').cycle({
    timeout: 10000,
    fx: 'scrollHorz'
});

I thought it would do the job but it doesn't affect the slide shows - from which I have removed timeout and fx, obviously.

Any suggestions gratefully received.  But please keep it simple!

Thanks.