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