Site Help


This website uses JavaScript on some of its pages.

If you do not enable JavaScript in your web browser, you may miss the JavaScript functionality of certain webpages. It is recommended to enable JavaScript before browsing.

If you use Internet Explorer, set the security level to ”Medium“. If you need to know how to enable JavaScript in your browser, go to the Help menu located at the top of your browser.


This website publishes RSS feeds for its URL and the heading of topics. RSS is an XML-based format syndicating news on websites. Using RSS feed readers lets you follow our latest news more easily and efficiently. There are a number of different versions of the RSS format: our website uses RSS 1.0.


This website provides digital content using videos, motion pictures and PDF files. To view such content, we recommend that you download the following plug-in software if you have not done so previously.

Adobe Flash Player
Software mainly for viewing motion pictures
Windows Media Player
Software for viewing videos
Software for viewing videos
Adobe Reader
Software for viewing PDF files

Links to Our Website

You may link to our website without our consent, provided that you do so in a way that does not contravene public order and morality nor infringe the Copyright Act and the Act on the Protection of Personal Information.

Our URL may change without notice. Your understanding is appreciated.