This site has links connected to some webpages written in Japanese. Those are supposed to be Japanese characters. But when you do not use Japanese fonts, those are displayed like above. These following links are some helpful websites to display Japanese characters on your screen. FTP is not available, but you can try it 60 days for free.
Further information is here .
It support almost all apprications. IE 3.0 is available HERE . There is a software to display Chinese, Japanese, and Korean in almost all Mac programs. Further information and Download is here. I think most Unix computers support Japanese fonts.