For Mozilla Firefox 7 users who cannot access the maps:

  1. Enter "about:config" as location to be opened.

  2. Alert message "This might void your warranty!" appears. Click "I'll be careful, I promise!" button.

  3. Use vertical scroll bar (or "Filter: ") to find the Preference Name "network.standard-url.encode-utf8". Double click on the line and change the value to be "false".

  4. Back to the map page and Reload it, and you will see the maps.