TriXxieDK / Remember payment terms

// ==UserScript==
// @name         Remember payment terms
// @namespace    https://openuserjs.org/users/TriXxieDK
// @version      0.1
// @description  Pop up a confirmation box when trying to book an invoice if payment terms allow for credit
// @author       TriXxieDK
// @match        https://secure.e-conomic.com/*
// @grant        none
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    if (typeof bogfoerFakWindow !== "function") return false;
    $(function() {
        var origbogfoerFakWindow = bogfoerFakWindow;
        bogfoerFakWindow = function(str) {
            if ($('div.invoice__head__col--customer__terms p').text().substr(0, 5) == 'Netto') {
                if (!confirm('Sikker på kredit?')) return false;
            }
            return origbogfoerFakWindow(str);
        }
    });
})();