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