First: thanks a lot for coming with all this. Now, some comments around navigation: * Keep the left menu open for the section I'm currently viewing so I can e

First: thanks a lot for coming with all this. Now, some comments around navigation: * Keep the left menu open for the section I'm currently viewing so I can easily go to the next subsection. * Without JavaScript the drop down menu doesn't work. * It would be nice to be able to have all items in navigation always displayed. Edited for list presentation.