You may have seen a video with high performance snowmobile belt. They are slightly grooved on the outside for heat dissipation. Like Hydromike said on a normal belt smooth side out, grooved side in. Have no fear the people on this board will get you fixed up. How about some additional info about what the previous owner "fixed up". Also visit the how to on uploading picture. Videos and pictures are worth a thousand posts
"Don't worry my Dad's a TV repairman, he has an excellent set of tools..I can fix It"