// 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;

dwr.engine._defaultPath = '/dwr';

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