Method of aiding portal site making and method of providing services

摘要

In a method of aiding portal site making, a plurality of mount files (707) are prepared, one of the plurality of mount files is displayed in accordance with selection by a user, a plurality of image/information files (307) indicative of various services are prepared, and the image/information files are mounted on the displayed mount file in accordance with operation by the user. Each of the image/information files is made by embedding information indicative of the contents of the various services in images for identifying the various services through digital watermarking. <IMAGE>