Additional Podio Keyboard Shortcuts

// ==UserScript==
// @name       Additional Podio Keyboard Shortcuts
// @namespace  http://www.schreibkraft.biz/
// @version    0.3
// @description Adds: ⌥N for new entry, ⌥S to trigger save button
// @match      https://podio.com/*
// @copyright  2014+, Bernhard Uellenberg
// ==/UserScript==
//
function doc_keyUp(e) {
    // alert(e.keyCode);
    // U can use e.metaKey or e.ctrlKey, depending which key should be pressed the same time
    if (e.altKey) {
        switch (e.keyCode) {
            case 78:
                // N
                if(document.location.href.match(/\/apps\/.+s/)) {
                    document.location.href = document.location.href + '/items/new';
                }
                break;

            case 83:
                // S
                $('.save').trigger('click');
                break;

            default:
                break;
        }
    }
}
document.addEventListener('keyup', doc_keyUp, false);