GCM is a multimedia content manager allowing you to upload and share a true « audio/visual-library » containing media : audio recordings, photos or images, video clips. The term « media » used in GCM refers to any audio, graphic, or video object. Supported formats are : - mp3 for audio - gif, jpeg(jpg) and png for images - flv(flash video) for video. Media are gathered in albums. Albums are available in three levels of confidentiality. Depending on the selected level, the content will be viewable by : - everyone - members who have opened an account on the site - members declared « private » by the administrator. An access control (with login and password) can filter visitors (or users) in 4 categories : - visitor (free entry) - member - private member - administrator. .......... A MySQL database centralizes all necessary information for the proper operation of the site.