TreePanel not working in IE7

[flavio]

I have created a TreePanel with an asynchronous root element and a corresponding java servlet on Tomcat 5.5. From FF it works fine, when I try it in IE7 it hangs AFTER sending the HTTP/POST to the server. In the server

[flavio]

Ok, solved this:
chaned the response content-type form text/html; encoding="UTF-8" to text/html; charset=UTF-8