content management platform

Our company offers third party advertising frames. We install them in different venues/locations and have advertisements from any interested advertiser displayed in them. The rental for each frame is on the weekly basis and costs different. For more information visit our website at [login to view URL] The platform required is meant to be a part of our client support/inventory list/processing center. In it, we would like to have the information for all of our clients as well as all the information on our frames installed in different locations. This platform will be consisted of 3 parts, the front end (php pages), the content management portion (could be mambo or joomla) and the back end (MySQL data base).