// 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 (MessengerHelper == null) var MessengerHelper = {};
MessengerHelper._path = '/ViewDev/dwr';
MessengerHelper.getMessages = function(p0, callback) {
  dwr.engine._execute(MessengerHelper._path, 'MessengerHelper', 'getMessages', p0, callback);
}