class Camdetect {
  static function cameraAvailable() {
    var result = (flash.media.Camera.names.length > 0);
    if (result)
      trace("camera available");
    else
      trace("no camera available");
    return result;
  }
  static function main() {
    trace("adding callback");
    flash.external.ExternalInterface.addCallback("cameraAvailable",
						 cameraAvailable);
  }
}