All accesskeys can be used by pressing Alt+accesskey.
(In Microsoft Internet Explorer you have to press Alt+accesskey+Enter)
Below is a description of all site-sections which can be accessed by accesskeys:
Main Content of the site.
Provides additional information to the chosen site. This is often used to present links to other sites with further information about the site's topics. Moreover you can find links to important documents here.
Shows the path to the actual site - starting from the root-site.
Provides links to all main categories of the site.
Shows all pages inside the chosen category.
These pages can have subpages on their own which will also be shown in this menu.
The additional menu provides links to important pages like the root-page, legal notice or to a sitemap.
The actual page shows information about the use of accesskeys and the site's sections.
Der following link guides you to the root-page: home.html