Apache::AxKit::StyleChooser::Hostname is a module that lets you pick a stylesheet based on the domain name of the HTTP request. To use it, simply add this module as an AxKit plugin that will be run before main AxKit processing is done. AxAddPlugin Apache::AxKit::StyleChooser::Hostname Then simply by referencing your xml files as follows: http://xml.server.com/myfile.xml or http://www.server.com/myfile.xml or whatever site aliases you have configured. In the above example, the two styles that will be used will be "xml.server.com" and "server.com", respectively. QUICK START: 1) Install. perl Makefile.PL && make && make test && make install 2) Add the following to your httpd.conf: AxAddPlugin Apache::AxKit::StyleChooser::Hostname