www.jfileupload.com

When Jfileuploader is in an iframe, the forward parameter forwards to the parent page as its target, instead of the iframe which originated the forward.

Hope this is a simple fix - really puts a damper on AJAX functionality.

Try to use:
<PARAM NAME="forwardtarget" VALUE="yourframename">
See:
http://www.jfileupload.com/products/jfi ... _http.html