Thanks. Its my design, i could post a link to the cad template drawings if u like. The only reason the 2 middle ones are short a button is because the ipac doesn't have enough inputs for 2 more buttons. but they could be easily added. Theres a whole slide show of start to finish that shows most of the steps in the work if uld like to see more Visit My Website silversystemsonline.no-ip.org