Generate Foodclub Setup Link

// ==UserScript==
// @name         Generate Foodclub Setup Link
// @namespace    http://tampermonkey.net/
// @version      1.3
// @description  Adds a hyperlink to neofoodclub with all the current pirates/bets setup
// @author       KK20
// @match        http://www.neopets.com/pirates/foodclub.phtml?type=bet
// @require      https://code.jquery.com/jquery-3.1.0.min.js
// @grant        none
// ==/UserScript==

// DO NOT CONFIGURE
const START_ROUND = 7435
const START_DATE = "Fri, 13 Sep 2019 22:30:00 GMT"
// DO NOT CONFIGURE

this.$ = this.jQuery = jQuery.noConflict(true);

function calc_round() {
    var date1 = new Date()
    var date2 = new Date(START_DATE)
    return START_ROUND + parseInt((date1 - date2) / (1000 * 60 * 60 * 24))
}

function scrape_pirates() {
    var i, options, p;
    var p_id, p_odds;
    var arenas = [];
    var odds = [];

    for (i = 1; i <= 5; i++) {
        options = eval('document.bet_form.winner' + i + '.options');
        for (p = 1; p <= 4; p++) {
            p_id = parseInt(options[p].value);
            p_odds = pirate_odds[p_id];

            if (p == 1) {
                arenas[i-1] = [];
                odds[i-1] = [1];
            }
            arenas[i-1].push(p_id);
            odds[i-1].push(p_odds);
        }
    }

    var round = "#round=" + calc_round();
    var pirates_code = "&pirates=" + JSON.stringify(arenas);
    var odds_code = "&openingOdds=" + JSON.stringify(odds) + "&currentOdds=" + JSON.stringify(odds);
    var foods_code = "&foods=[[],[],[],[],[]]"
    var neofoodclub_link = "https://foodclub.neocities.org/" + round + pirates_code + odds_code + foods_code;

    $(document.bet_form).before('<a href="' + neofoodclub_link + '">Neofoodclub Link!</a>');
}

$(document).ready( scrape_pirates() );