Hi,

I would like to open a new window to display a new document, but not
in the usual way.

A usual way is to e.g. execute window.open(URL-B, ...) in document A
to open a new window and display document B in it. In this case I have
to know in advance whether I want to display document B in a new
window, or whether it should replace document A.

My problem is, that I request a new document B from document A (e.g.
using a POST request), and want to decide after receiving the response
whether I have to

(a) replace document A with document B in the current window, or

(b) open an new window to display document B while document A is still
being displayed in the first window.

The decision should be based on some parameter in the response, either
the HTTP header or the document itself.

It would be nice, if this behaviour could be controlled using a
particular HTTP response header. I don't know, whether firefox /
XULrunner already supports this feature, but I would not expect it.

Is there some event I can hook into to achieve this, or do I have to
create a new URIContentListener? Or is there another straight forward
solution?

Thanks in advance,

-Andreas

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