Neopets: Wishing Well Userscript

// ==UserScript==
// @author         beetl_3
// @name           Neopets - Wishing Well Time Saver
// @description    Puts item you want in box, automatically puts 21NP in the wishing well donation box.
// @include        http://www.neopets.com/wishing.phtml
// @include        http://www.neopets.com/wishing.phtml?thanks=21&xt=
// ==/UserScript==

var np = 21;
var item = 'Halloween Y14 Goodie Bag';

$("input[name='donation']").val(np);
$("input[name='wish']").val(item);
$('[name="amount"]').val(np);