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