Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
Try to test your joystick with jstest from the command line. Exit EmulationStation, then run:
and see if you buttons/controls are registering. You can exit the test by pressing Ctrl+C on the keyboard.