// Provide a default path to dwr.engine
if (dwr == null) var dwr = {};
if (dwr.engine == null) dwr.engine = {};
if (DWREngine == null) var DWREngine = dwr.engine;

if (usbKey == null) var usbKey = {};
usbKey._path = '/dwr';
usbKey.checkKeyId = function(p0, callback) {
  dwr.engine._execute(usbKey._path, 'usbKey', 'checkKeyId', p0, callback);
}