Organization of these folders

Th file doc_xx.hs it is the configuration for java help by language.

Th file map_xx.jhm there are the configuration of the help tree in conjunction with the .\xx\contents.xml file...
(xx = abbreviated language (fr/en/it...)

The folder icons contains the icons for doc

The folder img-guide contains the pictures of the guide without translation required

The folder img-libs contains the pictures of the library without translation required

The folders de, el,en,fr,pt,ru,it,nl are the linguistic parts of the documentation 

in each of these language folders we find a folder img-guide contains the pictures of the library with translation required.