Map/Viewer for open street map

Hello!

I want to write a simple map-viewer and I have read the threads about that. But now, I want to show the maps of the "open street map"-project, because these maps are for free on wikipedia. The format of this maps is "OSM"?????.

Is there a way to show these map-format?

Thanks for help...

An introduction to reading and writing OSM files: OpenStreetMap data files (osm)

Did you look here:
http://wiki.openstreetmap.org/wiki/JOSM_file_format
?

I'd be happy to try to help you out with planning it. Looks interesting.

Thanks for your help!

I will try something and call it back...