[ja-web] inconsistency in the system configurations page

There is an inconsistency between the English pages and the Japanese pages.

  http://java.sun.com/javase/6/webnotes/install/system-configurations.html
  http://java.sun.com/javase/ja/6/webnotes/install/system-configurations.html
  http://java.sun.com/j2se/1.5.0/ja/system-configurations.html
  http://java.sun.com/j2se/1.5.0/system-configurations.html
All inconsistencies in ja-web pages have been fixed, then pushed them out to external site.