Not sure if anyone here on the RPF ever got one of these but it might be a good " start"
if you don't want to do the whole thing from scratch ?
http://www.ebay.com/itm/252050958459?_trksid=p2060353.m1438.l2649&ssPageName=STRK:MEBIDX:IT
if you don't want to do the whole thing from scratch ?
http://www.ebay.com/itm/252050958459?_trksid=p2060353.m1438.l2649&ssPageName=STRK:MEBIDX:IT