Change background image of div with slidshow

I want to change background image of div when slideshow image change. slideshow of images in another div and change background image is other div. So both are different div but when slide image change then automatically change background div images. For hint please check www.acura.com and my code is here http://jsbin.com/gufesifu/4/edit
Please tell me soon it's urgent.
Thank you in advance.