// 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 (UserController == null) var UserController = {};
UserController._path = '/dwr';
UserController.getUserExpirationDate = function(callback) {
  dwr.engine._execute(UserController._path, 'UserController', 'getUserExpirationDate', callback);
}
UserController.getUserSession = function(callback) {
  dwr.engine._execute(UserController._path, 'UserController', 'getUserSession', callback);
}
UserController.getNetworkStatus = function(callback) {
  dwr.engine._execute(UserController._path, 'UserController', 'getNetworkStatus', callback);
}