// Is AJAX supported by the current browser?
IF AJAXAvailable() = True THEN
	// Run the server procedure named "MyProc"
	// As soon as the result of the "MyProc" server procedure
	// will be available, 
	// the "ProcResult" browser procedure will be run
	Res is int
	Res = AJAXExecuteAsynchronous(MyProc, ProcResult)
	// The following processes are run without waiting for the result
	...
	// Progress of the server procedure named "MyProc"
	IF AJAXAsynchronousCallPending(Res) = True THEN
		// Cancel the execution 
		// of the "ProcResult" browser procedure
		// The result of the "MyProc" server procedure 
		// cannot be processed
		AJAXCancelAsynchronousCall(Res)
	END
ELSE
	// Processes without using AJAX
	... 
END