need help while useing Ajax

Hi,everyone:

     We have blow problems while useing Ajax on consolo with jQuery.

     1.when we useing Ajax GET method we got Chinese garbled result.Both servlet and website are UTF-8 encoding.How can we fix it.

     2.When we useing Ajax POST method we got a 405 result, which is "HTTP method POST is not supported by this URL.Powered by Jetty://".

Thank you very much.