INFORMATION SUPPLY MEDIUM, INFORMATION PROCESSOR UTILIZING THE SAME AND INFORMATION SUPPLY SYSTEM

PROBLEM TO BE SOLVED: To freely reflect the construction of a scenario with the intention of a user by changing the state of reproducing either the proceeding structure of reproduction processing information or the designation of video information to be the object of reproducing processing at least based on identification information and exchange video instruction information supplied by an information supply medium on the side of the user. SOLUTION: When the reproduction of a DVD 90 is instructed and no update scenario exist in a storage part 91, according to an instruction from a navigation processing part 92, this recording and reproducing device functions as a DVD player and performs reproduction along with the scenario in the DVD 90. This scenario in the DVD 90 includes one to determine the operation through interactive manipulation with the user. At such a time, a switcher 93 selects a reproducing part 94 for the DVD and with the DVD 90 as an output source, operation explanation or reproduced video from that reproducing part 94 for the DVD is outputted to the display device of a television or a personal computer.