[TYPO3] Ajax in BE module

[Tapio Markula]

Elmar Hinz kirjoitti:
> Dominik Smatana wrote:
> 
>> Hello,
>>
>> I would like to use some ajax in BE module of my extension. Is there
>> any tutorial/doc how to develop ajax server-side scripts in TYPO3 BE?
>> Or does someone know any extension using ajax in BE module?
>>
>> Thanks
>>
>> Dominik Smatana
> 
> Hi Dominik,
> 
> in the extension xajax_tutor there is a little example showing ajax use in a
> backend module.
> 
> Regards
> 
> Elmar
> 
> 

how alt_doc_ajax.php communicate with alt_doc.php - I mean how in 
alt_doc.php can be used AJAX?