jQuery Signature Pad - Auth Lost on Load

Hi All,

I am using Thomas Bradley's signature pad plugin for jQuery (i am using v1.9.1).  I am loading the view that contains the sig pad with AJAX.  I am using Cake2.3 and the Auth component for user authentication.  Everything works perfectly in FF and Chrome, but not in IE9.  As soon as I load the view with the sig pad, the Auth component info is lost.  I can no longer load any more pages (as they are protected via Auth) and a refresh sends me to /users/login, which is NOT the redirectUrl I had set.  Again, only in IE9 do I have this issue.

I have tried all the suggested settings in core.php - security low, checkAgent false, etc, etc with no luck.  I cannot imagine what is happening inside that sig pad plugin that would single-handedly demolish the Auth object, but that's what I have narrowed it down to.  I have reached out to the author of the plugin but am not confident I will hear back.

If anyone has any suggestions to try, I would be most grateful.  I have been banging on this for 3 days now and cannot admit defeat.

Bake on,
Jonathan

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