Abstract: A method and apparatus for processing web documents, according to which a plurality of web documents are multi-browsed by managing the documents in an incorporated way, are provided. The web document processing method for incorporating and browsing a plurality of web documents at a terminal connected to a server through a network includes the steps of: obtaining web documents including at least a primary document; obtaining one or more secondary web documents specified in the primary document; storing data of the secondary web documents in corresponding predetermined storing portions; displaying document selectors associated with the secondary web documents on a screen of the terminal; and upon selecting one of the document selectors, displaying a secondary web document corresponding to a selected document selector on the screen of the terminal.

Abstract: A system and method for authenticating an identity on Internet is provided. The authentication system and method authenticates the identity of a user on the Internet whenever he/she needs to be authenticated through only one authentication procedure. The authentication system and method also checks the multiple registration of an applicant who wishes to register in a membership system web site or participate in an event permitting just one chance per man. The authentication system and method also checks the identity of a user logged on the membership system web site in a state where the user's anonymity is secured.