I discovered that you changed a lot User Interface Introduction document. I believe it was not intentional as you wanted to create your localized copy of it or sth.
So I had to rollback your changes. Please be careful next time and make sure you are working with your document version and not with the main one.
Examples of the translation pages you can find directly in the main page here http://wiki.openbravo.com/wiki/Main_Page
They use language widget and corresponding categories.