Returns true if the page is displayed in the Wii Opera browser;
returns false otherwise.
Adds the event handlers to the page that the library needs.
This should probably be added during body.onload().
Register the controller to receive input events.
Prevent the controller from receiving input events.
This handler responds to traditional Wiimote presses.
This handler responds to keyboard inputs. This is useful for
testing your Wii-friendly web site in a PC web browser.
This handler responds as if the controller is being held horizontally
(with the D-pad on the left) like the traditional NES controller.
In this case, the 1 button corresponds to the B button
and the 2 button corresponds to the A button.