// 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 (Billclew == null) var Billclew = {};
Billclew._path = '/NPC/dwr';
Billclew.billclew = function(callback) {
  dwr.engine._execute(Billclew._path, 'Billclew', 'billclew', callback);
}