The device 62 provides information collection and control functions, as illustrated.FIG. 3 depicts another a more particular embodiment of a control system 50 of the type shown in FIG. 1.Referring to FIG. 1, the illustrated control system 10, 50 uses web browsers, Java, Jini, JavaSpaces, TCP/IP and other technologies normally associated with the Internet and the world wide web to create a self-def