Ajax post request in jQuery

app.js

var commentForm = $("form#newComment");

commentForm.submit(function() {
  event.preventDefault();
  $("#commentName").attr("disabled", true);
  $("#commentGravatar").attr("disabled", true);
  $("#commentWebsite").attr("disabled", true);
  $("#commentBody").attr("disabled", true);
  $("#createComment").attr("disabled", true);

  $(this).fadeTo(230, 0.5);
  $("#newCommentAvatar").fadeTo(230, 0.5);

  $.ajax({
    type: commentForm.attr("method"),
    url: commentForm.attr("action"),
    data: commentForm.serialize(),
    success: determineStatus,
    error: broken,
    complete: function() {
      $("#commentName").attr("disabled", false);
      $("#commentGravatar").attr("disabled", false);
      $("#commentWebsite").attr("disabled", false);
      $("#commentBody").attr("disabled", false);
      $("#createComment").attr("disabled", false);

      $(this).fadeTo(1, 1);
      $("#newCommentAvatar").fadeTo(1, 1);
    }
  });
});

function determineStatus(data) {
  // Work with the json response here
}

function broken(xhr, status, error) {
  // Throw an error, becuase something went drastically wrong.
}

server_output.json

{
  "status": 1,
  "message": "Thanks Adam! Your comment has been added.",
  "comment": {
    "id": 1,
    "post_id": 1,
    "name": "Adam McArthur",
    "avatar": "/uploads/default.jpg",
    "website": "http://example.com",
    "created_at": "7 Aug, 2013 at 10:57pm"
  }
}