      
        function testCallbackTypedArgs () {
            GAJavaScript.performSelector('callbackTypedArgs:boolArg:intArg:floatArg:', new Date(), true, 200000, 1.5);
        }
        
        function testMultipleCallbacks () {
            GAJavaScript.performSelector('callbackNoArgs');
            GAJavaScript.performSelector('callbackOneArg:', "2nd call in testMultipleCallbacks");                        
        }
		
		function testCallbackAsArgument (callback) {			
			callback('arg1', 'arg2', new Da