| 摘要 |
PROBLEM TO BE SOLVED: To improve operability and to assure security. SOLUTION: A web-based e-mail system 1 receives e-mail IDs for uniquely identifying each e-mail from a web server 10 about all the e-mails stored in a mail box, transmits e-mail IDs of e-mails corresponding to scroll positions according to the scroll positions of windows to all the e-mails to the web server 10 to request information for listing used for listing the e-mails, receives the information for listing from the web server 10 about the e-mails corresponding to the requested e-mail IDs, stores the received information for listing in an information for listing storage part 25b, generates a list which should be displayed at present in a window and outputs the list in the window based on the information for listing stored in the information for listing storage part 25b. COPYRIGHT: (C)2008,JPO&INPIT
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