validation error messages and Ajax

[eluser]Ajaxian64[/eluser]
Hii Haaaann, Hiiiii Haann saids the donkey.

Seems to be a problem in json_encode

My page was not save in UTF-8 and then when I give a message like

Code:

$this->form_validation->set_message('dateEvent_check', 'bbbbb aaa dd à dddsd ');

then it leads to a problem when I encode it