// 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 (WSD_userService == null) var WSD_userService = {};
WSD_userService._path = '/dwr';
WSD_userService.loadUserPreferences = function(callback) {
  dwr.engine._execute(WSD_userService._path, 'WSD_userService', 'loadUserPreferences', false, callback);
}
WSD_userService.saveUserPreferences = function(p1, callback) {
  dwr.engine._execute(WSD_userService._path, 'WSD_userService', 'saveUserPreferences', false, p1, callback);
}