// 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 = '/xie';

if (captionService == null) var captionService = {};
captionService._path = '/xie';
captionService.getCaption = function(callback) {
  dwr.engine._execute(captionService._path, 'captionService', 'getCaption', callback);
}