Adding xdr for x-domain in IE9.
Updating jquery post to ajax call.
Updating ajax call.
Updating ajax call for content type.
Updating to jquery 2.0.
Removing xdr script.
Adding back xdr script.
Adding content type header to xdr.
Removing header for xdr.
Adding status text to error response.
Switching back to responseText only.
Adding logging to diagnose an IE issue with error responses.
Adding more logging.
Adding more logging.
Adding extra handling for IE specifically to handle errors.
Updating urls for post.
Merging.