This is a not so short little ditty that does the simple conversion of mouse button presses into key presses. By grabbing only the 4th and 5th mouse buttons the program is able to receive input from the Intellimouse series mice. The wheel button can always be used as middle button, this program does not affect how the XServer reacts towards it. A mouse with a wheel button is a 3 button mouse, and should be configured as such! Note that other wheeled mice such as the Logitech MouseMan+ or TrackMan+ are Intellimouse compatible and can be used with this as well. For more information on setting up your wheeled mouse to work with X, see either the imwheel man page or the FAQ. Don't forget to add "ZAxisMapping 4 5" to the Pointer Section of your XF86Config file!