// 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 (messageService == null) var messageService = {};
messageService._path = '/dwr';
messageService.findCurrentSystemNotification = function(callback) {
  dwr.engine._execute(messageService._path, 'messageService', 'findCurrentSystemNotification', callback);
}