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