Post method not working in Codeigniter

[eluser]InsiteFX[/eluser]
Use jQuery cookie.

Code:

/* global ajax setup
------------------------------------------------------------------------- */
$.ajaxSetup({
  type: 'GET',
  datatype: 'json',
  // for CodeIgniter CSRF protection...
  data: { csrf_test_name: $.cookie('csrf_cookie_name') },
  timeout: 20000
});