Hi,

I found out that the problem is related to the readystate handlers
Proj4js uses when fetching the proj defs. The way this is done
(readystate handler and synchronous request) does not work in IE with
OpenLayers.Ajax in OpenLayers 2.5 (in newer versions, it does).

Since we decided to use OpenLayers 2.5 we have two options:
1) The problem can be solved by patching OpenLayers 2.5 with
http://trac.openlayers.org/changeset/4990
2) Use a different way to issue Ajax requests in Proj4js

In my local copy I have done 1), which works very well.

What are the feelings out there about using a patched version of OpenLayers 2.5?

Regards,
Andreas.

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