Handling HTTP Error Messages while using AJAX

Author: hansen@ahp-gmbh.de (-GHAN-)

The situation:
An ajax-request is made and runs into trouble. URouter returns a yellow page with an error code.

The problem:
How can I detect, that something wen't wrong in my script?! I could evaulate the http status but this will ALLWAYS be 200! (which says "ok, done!"). I would suggest it to get somewhat like 5xx (Internal Server Error).

Thats a true dilemma- of course the urouter reacts correct- but the request failed. Is it possible to set a more fitting status as a returncode in order to react properly on such situations?!

How does the LAB handle this!?

-GHAN-

ps: parsing the ajax responseText is NOT an option :)

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