PHPnet.org is a non-profit hosting association for PHP developers. Due to their hosting parameters, Mambo's "Search Engine Friendly URLs" won't work out of the box. Here is how to set up the .htaccess for Mambo CMS/Joomla on these hosts.

Mambo CMS (Mamboserver, Joomla) is an important Open Source CMS these days, and it is built on a complex data model. So I tried to abstract the main entities and model them in the form of an abused UML class diagram. Have a look.