IIIF Zoom viewer: Openseadragon 2.2.1

License: The demo image is part of the "Ottheinrich-Bibel" page "Einzug in Jerusalem" presented by the Bavarian State Library here.
It is under the "Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)"-License (see http://creativecommons.org/licenses/by-nc-sa/4.0/)