openseadragon/test/demo/m2

To Do

• Next/previous in scroll mode
• Detect which page you're on in scroll mode (when switching to other modes)
• Constraints
  • Thumbs: no zoom, no pan
  • Scroll: can't zoom out much, can't pan up and down
  • Book, Page: just the shown item
• Resize on window resize
• When going to thumbs, scroll to the proper part of the page
• Show/hide pages?
• Arrow keys