Converting .DEM files to .AVI or .MPG

[KillyKillall]

I have a need to convert .dem files (counter-strike, counter-strike source video files) to .mpg's and/or .avi's. Does anyone know a software that can do this? I can't seem to find one that will.

 

[WW]

can you record it off your screen with

http://www.fraps.com/

or some other screen recorder?