Hi: I got 2 A4tech USB mice for the Ruby Backstreet Multiseat Linux project. They have 2 wheels 2 top buttons and 2 side buttons. Of course the installation folder only discusses Windoze and does not say what the side buttons are for. Has anybody figured out how to use it? Thanks! Hugo. __________________________________ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com