Hi Mohamoud,

welcome to the forums, and yes you can use more then one program, but each program has its own terms of use and in them you can find out if they allow a certain program or not, for instance adsense allow adbrite on the same site.

Cheers, Amr

__________________
check out my Blog Marketing Tips Series , "Part 9" Other Forms Of Content

A Guide To Egypt Learn about the Egyptian Climate and more!