392905 Add Arrows on Slideshow

Hi, I have a slideshow in use on an OS Commerce site, and I need to add arrows so that you can change the direction of the slideshow. I.E by deafult it goes left to right, however I click on the left arrow and it stops and goes backwards. then I click on right arrow and it starts going normal direction :) [login to view URL] (see the manufacturers at the bottom. I've attached the code for the manufacturers page. --- I also need the special offers to do the same thing, as up and down.... $20 asap.