Installing Japanese Fonts

Question

OK, fellow Apple users. I use both English and Japanese on this computer when typing. And I've recently downloaded some Japanese fonts and tried installing them, thinking that when I type in Japanese, I can use them as fonts for when I'm using photoshop, but the Japanese characters actually installed themselves into the English keyboard, and they won't change even if I type in Japanese... So, how do I install Japanese fonts into the Japanese keyboard instead? It'd be really helpful if I knew... Also, I was not sure where to have posted this, but I posted it here, since it's a general Apple problem.
http://i208.photobucket.com/albums/bb144/Blibbles/Screenshot2009-11-12at114309PM .png <- This is the problem, the characters are linked to the English Alphabet when they should be linked to the Japanese typing method.
ありがとう

Answer 1

The fonts can't be just for the US Keyboard... That wouldn't make sense.
These fonts seem to be specially styled Kana fonts which one might use for creating artwork of some sort, and for that purpose it may make sense to just put the glyphs at the Latin codepoints for input convenience. Real Japanese fonts are much larger and have thousands of Kanji characters in addition to the Kana, with all characters at their agreed Unicode codepoints. Some examples beyond those that OS X itself installs can be found here:
http://www.wazu.jp/gallery/Fonts_Japanese.html