Notice to new readers

You encounter navigational difficulties. Here are a few lines to know the tricks.

To the right of each page you will find a quick navigation menu. The graphic charter requires settle for a two-level hierarchy.

    A tooltip allows to know more precisely the content of the page

The pages level three or more are accessible from the pages of the next higher level by internal hyperlinks.

A complete view of the site hierarchy is directly accessible by clicking at the bottom of all pages on "Site Map".

In the top right of each page, a search engine to search for a word or group of words in the pages of the site.

    Only words with 2 or more characters are accepted. - The maximum size is 200 characters. - Space is used to split words, the quotes can be used to search for an exact phrase. - AND, OR and NOT are prefix words, overruling the default operator. - + | and - equals operators to prefixes AND, OR and NOT. - The research does not take into account the case of letters (uppercase or lowercase).

Good navigation