// 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 (Tab == null) var Tab = {};
Tab._path = '/MySchool/dwr';
Tab.setFilterVisible = function(p1, p2, p3, p4, callback) {
  dwr.engine._execute(Tab._path, 'Tab', 'setFilterVisible', false, p1, p2, p3, p4, callback);
}