8. The computer program product of claim 6 , wherein the computer readable program when executed on a computer causes the computer to instruct re-translation of said original text containing said unknown word relevant to said translation word after said translation word has been registered by said registering of said translation word.
6. The computer program product of claim 1 , wherein the computer readable program when executed on a computer causes the computer to: display a search result list of Web pages relevant to said unknown word as found by said Internet search engine in response to said instruction given by a user for executing said search for said unknown word for which said link has been set by said setting of said link; display an unknown word related Web page which has been selected from said search result list by said user; and generate a translation word registration screen which allows said user to edit and register a translation word for said unknown word, and registering said translation word for said unknown word in said at least one dictionary.