Javascript Slideshow with changing page background

I'd like to know if it's possible to achieve something like this slider automatically with javascript/jquery:

http://www.elegantthemes.com/preview/TheSource/

Notice how the slider background changes according to the edge of the slider image. This can be se开发者_如何学编程en easily on higher resolutions.

My objective would be to:

Add a fixed resolution image to the slider and then the background of that image would be "calculated" automatically with JS and create a smooth gradient.

I'm not sure if i made my point clear, so if you have any question please ask.

Thanks in advance!

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Do you mean something like the jQuery.cycle plugin?

http://jquery.malsup.com/cycle/