// 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 (DwrService == null) var DwrService = {};
DwrService._path = '/dwr';
DwrService.loginAvailability = function(p0, callback) {
  dwr.engine._execute(DwrService._path, 'DwrService', 'loginAvailability', p0, callback);
}