// ==UserScript==
// @name           YouTube Video Download
// @namespace      http://rossy2401.blogspot.com/
// @description    Scans the YouTube page for all formats, including 1080p on selected videos. Designed to be lightweight and unobtrusive, it runs entirely on the page without contacting any external sites.
// @version        3.1
// @author         rossy!
// @license        MIT License
// @updateURL      https://userscripts.org/scripts/source/62634.meta.js
// @include        http://userscripts.org/scripts/source/62634.meta.js
// @include        http://*.youtube.com/watch?*
// @include        https://*.youtube.com/watch?*
// ==/UserScript==

var version = "3.1";
var host = document.location.host;

function inject(func)
{
    var script = document.createElement("script");
    script.setAttribute("type", "application/javascript");
    script.appendChild(document.createTextNode("_ytd_localVersion=\"" + version + "\";(" + func + ")();"));
    document.body.appendChild(script);
}

if (host.substr(host.length - 11) == "youtube.com" && host != "m.youtube.com") inject(function() {
    var language = document.documentElement.getAttribute("lang");
    var watchFlag = document.getElementById("watch-flag");
    var currDate = new Date().getTime();
    var formats;
    var orderedFormats;
    var title;
    var channel;
    var button;
    var menu;
    var dlheader;
    var options;
    var updateMsg;
    var showUpdate;
    var sar = 16/9;
    var videoId;
    
    var translation = {
        "en": {
            errormsg: "Error: YouTube has been updated and YouTube Video Download is no longer compatible. ",
            errorlink: "Please click here to check for updates.",
            
            button: "Download",
            tip: "Save video to hard drive",
            
            low: "Low Quality",
            high: "Low Definition",
            
            lowdef: "Low Definition",
            stddef: "Standard Definition",
            highdef: "High Definition",
            fhighdef: "Full High Definition",
            
            origdef: "Original Definition",
            
            unknown: "Unknown Format",
            
            dlheader: "Choose a format to download:",
            nofmts: "Error: No download formats available.",
            update1: "A new version of YouTube Video Download is available.",
            update2: "Click here to update now.",
            
            options: "options",
            updatetoggle: " Check for updates",
            replacetoggle: " Replace video title",
            vinfotoggle: " Set visitor info cookie (advanced)",
            tformat: "Title format: ",
            apply: "apply",
            tformatinfo: "%t - video title\n%c - uploader\n%f - format number\n%v - video id\n%% - literal percent",
        },
        "cn": { // http://userscripts.org/users/349372
            errormsg: "错误：由于YouTube网站已更新，YouTube视频下载插件已与YouTube不兼容。",
            errorlink: "查看新版请点击这里。",
            
            button: "下载",
            tip: "保存到本地",
            
            low: "低品质",
            high: "低分辨率",
            
            lowdef: "低分辨率",
            stddef: "标准分辨率",
            highdef: "较高分辨率",
            fhighdef: "最高分辨率",
            
            origdef: "原始分辨率",
            
            unknown: "未知格式",
            
            dlheader: "选择下载格式：",
            nofmts: "错误：下载格式不可用。",
            update1: "已推出新版YouTube下载插件！",
            update2: "更新请点击这里。",
            
            options: "选项",
            updatetoggle: " 检查更新",
            replacetoggle: " 重命名",
            vinfotoggle: " 设置浏览者cookies信息（高级）",
            tformat: "标题格式：",
            apply: "应用",
            tformatinfo: "%t - 视频标题\n%c - 上传者\n%f - 格式代号\n%v - 视频id\n%% - 百分率",
        },
        "cs": { // http://userscripts.org/users/janwatzek
            errormsg: "Chyba: YouTube byl aktualizován a skript YouTube Video Download již není kompatibilní. ",
            errorlink: "Prosím klikněte sem pro kontrolu, zda jsou dostupné aktualizace.",
            
            button: "Stáhnout",
            tip: "Uložit video na pevný disk",
            
            low: "Nízká kvalita",
            high: "Nízké rozlišení",
            
            lowdef: "Nízké rozlišení",
            stddef: "Standardní rozlišení",
            highdef: "Vysoké rozlišení",
            fhighdef: "Plné vysoké rozlišení",
            
            origdef: "Originální rozlišení",
            
            unknown: "Neznámý formát",
            
            dlheader: "Vyberte formát ke stažení:",
            nofmts: "Chyba: Žádné formáty nejsou dostupné ke stažení.",
            update1: "Nová verze skriptu YouTube Video Download je dostupná ke stažení!",
            update2: "Klikněte sem pro aktualizaci.",
            
            options: "nastavení",
            updatetoggle: " Kontrolovat aktualizace",
            replacetoggle: " Přepsat název videa",
            vinfotoggle: " Nastavit info návštěvníka - cookie (pokročilé)",
            tformat: "Formát názvu videa: ",
            apply: "použít",
            tformatinfo: "%t - název videa\n%c - uploader\n%f - číslo formátu\n%v - id videa\n%% - doslova procento",
        },
        "de": { // http://userscripts.org/users/348658
            errormsg: "Fehler: Die Youtube Seite wurde geändert und YouTube Video Download ist nicht mehr kompatibel. ",
            errorlink: "Bitte klicken sie hier, um auf Updates zu überprüfen.",
            
            button: "Download",
            tip: "Video auf der Festplatte speichern",
            
            low: "Niedrige Qualität",
            high: "Niedrige Auflösung",
            
            lowdef: "Niedrige Auflösung",
            stddef: "Standard Auflösung",
            highdef: "HD",
            fhighdef: "Full HD",
            
            origdef: "Original Auflösung",
            
            unknown: "Unbekanntes Format",
            
            dlheader: "Download Format wählen:",
            nofmts: "Fehler: Keine Download Formate vorhenden.",
            update1: "Eine neue Version von YouTube Video Download steht zur Verfügung.",
            update2: "Hier klicken um jetzt upzudaten.",
            
            options: "Einstellungen",
            updatetoggle: " Auf neue Version überprüfen",
            replacetoggle: " Video Titel ersetzen",
            vinfotoggle: " Besucher Info Cookie setzen (erweitert)",
            tformat: "Titel Format: ",
            apply: "anwenden",
            tformatinfo: "%t - Video Titel\n%c - Hochgeladen von\n%f - Format Nummer\n%v - Video ID\n%% - Prozentzeichen",
        },
        "es": { // http://userscripts.org/users/327867
            errormsg: "Error: YouTube ha sido actualizado y YouTube Video Download ya no es compatible. ",  
            errorlink: "Clic aquí para comprobar si hay  actualizaciones.",  
            
            button: "Descargar",  
            tip: "Descarga este video",  
            
            low: "Baja Calidad",  
            high: "Baja Definición",  
            
            lowdef: "Baja Definición",  
            stddef: "Definición Estandar",  
            highdef: "Definición HD",  
            fhighdef: "Definición FullHD",  
            
            origdef: "Definición Original",  
            
            unknown: "Formato Desconocido",  
            
            dlheader: "Elija un formato para descargar:",  
            nofmts: "Error: No hay formatos de descarga  disponibles.",  
            update1: "Una nueva version de YouTube Video Download  esta disponible.",  
            update2: "Click aqui para actualizar ahora.",  
            
            options: "Opciones",  
            updatetoggle: " Buscar actualizaciones",  
            replacetoggle: " Reemplazar título del video",  
            vinfotoggle: " Enviar cookie de visita (Avanzado)",  
            tformat: "Formato del Título: ",  
            apply: "Aplicar",  
            tformatinfo: "%t - Titulo\n%c - Uploader\n%f - Formato de número\n%v - ID del Video\n%% - % Literal",  
        },
        "fr": { // http://userscripts.org/users/87056
            errormsg: "Erreur: Youtube a été mis à jour et YouTube Video Download n'est plus compatible. ",
            errorlink: "Cliquer ici pour vérifier les mises à jour.",
            
            button: "Télécharger",
            tip: "Télécharger cette vidéo",
            
            low: "Basse Qualité",
            high: "Basse Définition",
            
            lowdef: "Basse Définition",
            stddef: "Définition Standard",
            highdef: "Haute Définition",
            fhighdef: "Très Haute Définition",
            
            origdef: "Définition Originale",
            
            unknown: "Format Inconnu",
            
            dlheader: "Choisissez le format à télécharger:",
            nofmts: "Erreur: Pas de formats de téléchargement disponible.",
            update1: "Une nouvelle version de YouTube Video Download est disponible.",
            update2: "Cliquer ici pour mettre à jour maintenant.",
            
            options: "options",
            updatetoggle: " Vérifier les mises à jour",
            replacetoggle: " Modifier le nom de fichier de la vidéo",
            vinfotoggle: " Enregister le cookie d'information du visiteur (avancé)",
            tformat: "Format du nom de fichier: ",
            apply: "Appliquer",
            tformatinfo: "%t - titre de la vidéo\n%c - uploader\n%f - numéro du format\n%v - ID de la vidéo\n%% - pourcentage littéral",
        },
        "it": { // http://userscripts.org/users/kharg
            errormsg: "Errore: YouTube \u00e8 stato aggiornato e YouTube Video Download non \u00e8 pi\u00d9 compatibile. ",
            errorlink: "Clicca qui per cercare degli aggiornamenti.",
            
            button: "Scarica",
            tip: "Salva il video nell'HD",
            
            low: "Bassa Qualit\u00e0",
            high: "Alta Qualit\u00e0",
            
            lowdef: "Bassa Definizione",
            stddef: "Qualit\u00e0 Standard",
            highdef: "Alta Definizione",
            fhighdef: "Alta Definizione",
            
            origdef: "Definizione Originale",
            
            dlheader: "Scegli un formato da scaricare:",
            nofmts: "Errore: Nessun formato da scaricare disponibile.",
            
            options: "opzioni",
            updatetoggle: " Controlla la disponibilità di aggiornamenti",
            replacetoggle: " Sostituisci il titolo del video",
            vinfotoggle: " Imposta informazioni cookie visitatori (avanzate)",
            tformat: "Formato titolo: ",
            apply: "applica",
            tformatinfo: "%t – titolo video\n%c – uploader\n%f – numero formato\n%v – id video\n%% – percentuale letterale",
        },
        "ja": { // http://userscripts.org/users/184613
            errormsg: "エラー: YouTubeのシステムが更新されたのでYouTube Video Downloadの互換性がなくなりました。",
            errorlink: "ここをクリックして更新してください。",
            
            button: "ダウンロード",
            tip: "ハードディスクにビデオを保存",
            
            low: "低品質",
            high: "低画質",
            
            lowdef: "低画質",
            stddef: "普通の画質",
            highdef: "高画質",
            fhighdef: "フル高画質",
            
            origdef: "オリジナル画質",
            
            unknown: "不明な形式",
            
            dlheader: "ダウンロードする形式を選択:",
            nofmts: "エラー:ダウンロードできません",
            update1: "YouTube Video Downloadの更新があります",
            update2: "ここをクリックすると更新します",
            
            options: "オプション",
            updatetoggle: " 更新を確認",
            replacetoggle: " ビデオのタイトルを置換",
            vinfotoggle: " 訪問者情報をクッキーに保存 (高度)",
            tformat: "タイトルの形式: ",
            apply: "適用",
            tformatinfo: "%t - ビデオタイトル\n%c - 投稿者\n%f - 型式番号\n%v - ビデオID\n%% - パーセント",
        },
        "pl": { // http://userscripts.org/users/123591
            errormsg: "Błąd: YouTube został zaktualizowany i YouTube Video Download przestał być zgodny. ",
            errorlink: "Kliknij tutaj, aby sprawdzić dostępność aktualizacji.",
            
            button: "Pobierz",
            tip: "Zapisz film na twardym dysku",
            
            low: "Niska jakość",
            high: "Niska rozdzielczość",
            
            lowdef: "Niska rozdzielczość",
            stddef: "Standardowa rozdzielczość",
            highdef: "Wysoka rozdzielczość",
            fhighdef: "Pełna wysoka rozdzielczość",
            
            origdef: "Oryginalna rozdzielczość",
            
            unknown: "Nieznany Format",
            
            dlheader: "Wybierz format do pobrania:",
            nofmts: "Błąd: Nie dostępne formaty.",
            update1: "Nowa wersja YouTube Video Download jest dostępna.",
            update2: "Kliknij tutaj, aby zaktualizować.",
            
            options: "opcje",
            updatetoggle: " Sprawdzaj aktualizacje",
            replacetoggle: " Zastąp tytuł filmu",
            vinfotoggle: " Set visitor info cookie (zaawansowane)",
            tformat: "Format Tytułu: ",
            apply: "zastosuj",
            tformatinfo: "%t - tytuł filmu\n%c - nazwa przesyłającego\n%f - numer formatu\n%v - id filmu\n%% - dosłownie procent",
        },
        "pt": { // http://userscripts.org/users/73303 (Brazilian Portuguese)
            errormsg: "Erro: Youtube foi modificado e o Youtube Video Download não é mais compatível. ",
            errorlink: "Por favor clique aqui para procurar atualizações.",
            
            button: "Baixar",
            tip: "Salvar vídeo para o disco",
            
            low: "Qualidade Baixa",
            high: "Definição Baixa",
            
            lowdef: "Definição Baixa",
            stddef: "Definição Padrão",
            highdef: "Definição Alta",
            fhighdef: "Definição Máxima",
            
            origdef: "Definição Original",
            
            unknown: "Formato Desconhecido",
            
            dlheader: "Escolha um formato para baixar:",
            nofmts: "Erro: Nenhum formato disponível para baixar.",
            update1: "Uma nova versão do Youtube Video Download está disponível.",
            update2: "Clique aqui para atualizar agora.",
            
            options: "opções",
            updatetoggle: " Procurar por atualizações",
            replacetoggle: " Substituir título do vídeo",
            vinfotoggle: " Usar cookie diferente para baixar (avançado)",
            tformat: "Formato do título: ",
            apply: "aplicar",
            tformatinfo: "%t - título do vídeo\n%c - autor do vídeo\n%f - número do formato\n%v - id do vídeo\n%% - % literal",
        },
        "ru": { // http://userscripts.org/users/121962
            errormsg: "Ошибка: YouTube был обновлен, поэтому YouTube Video Download больше не совместим. ",
            errorlink: "Нажмите тут для обновления.",
            
            button: "Скачать",
            tip: "Сохранить на жесткий диск",
            
            low: "Низкое Качество",
            high: "Низкое Разрешение",
            
            lowdef: "Низкое Разрешение",
            stddef: "Стандартное Разрешение",
            highdef: "Высокое Разрешение",
            fhighdef: "Самое высокое Разрешение",
            
            origdef: "Оригинальное Разрешение",
            
            unknown: "Неизвестный формат",
            
            dlheader: "Выберите формат для загрузки:",
            nofmts: "Ошибка: Нет загружаемых допустимых форматов.",
            update1: "Доступна новая версия YouTube Video Download.",
            update2: "Нажмите тут для обновления.",
            
            options: "настройки",
            updatetoggle: " Проверить обновления",
            replacetoggle: " Переместить видео",
            vinfotoggle: " Выставить куки посещения (доп)",
            tformat: "Формат заголовка: ",
            apply: "принять",
            tformatinfo: "%t - заголовок видео файла\n%c - имя загрузчика/автора\n%f - число файла\n%v - ид номер видео файла\n%% - буквальный процент",
        },
        "sr": { // http://userscripts.org/users/26334
            errormsg: "Грешка: YouTube је ажуриран и YouTube Видео Преузимач више није компатибилан. ",
            errorlink: "Кликните овде да проверите има ли надоградњи.",
            
            button: "Преузми",
            tip: "Сачувај видео на диск",
            
            low: "Низак квалитет",
            high: "Мала резолуција",
            
            lowdef: "Мала резолуција",
            stddef: "Стандардна резолуција",
            highdef: "Висока резолуција",
            fhighdef: "Full HD резолуција",
            
            origdef: "Оригинална резолуција",
            
            unknown: "Непознат формат",
            
            dlheader: "Изаберите формат видеа за преузимање:",
            nofmts: "Грешка: нема доступних формата.",
            update1: "Ново издање YouTube Видео Преузимача је доступно.",
            update2: "Кликните овде да ажурирате сада.",
            
            options: "опције",
            updatetoggle: " Провери надоградње",
            replacetoggle: " Замени назив видеа",
            vinfotoggle: " Постави колачић информације о посети (напредно)",
            tformat: "Формат наслова: ",
            apply: "примени",
            tformatinfo: "%t - наслов видеа\n%c - аутор\n%f - број формата\n%v - ИД видеа\n%% - постотак дословности",
        },
        "tr": { // http://userscripts.org/users/Kenterte
            errormsg: "Hata: YouTube sistemi güncellendi ve artık YouTube Video Downloader'la uyumlu değil.. ",
            errorlink: "Güncelleştirmeler için lütfen tıklayınız.",
            
            button: "İndir",
            tip: "Videoyu Farklı Kaydet",
            
            low: "Düşük Kalite",
            high: "Düşük Çözünürlük",
            
            lowdef: "Düşük Çözünürlük",
            stddef: "Standart Çözünürlük",
            highdef: "Yüksek Çözünürlük",
            fhighdef: "Çok Yüksek Çözünürlük",
            
            origdef: "Orijinal Çözünürlük",
            
            unknown: "Bilinmeyen Format",
            
            dlheader: "Bir İndirme Formatı Seçin:",
            nofmts: "Hata: Format Bulunamadı.",
            update1: "YouTube Video Downloader'ın yeni bir versiyonu var..",
            update2: "Güncelleştirmek için tıklayınız.",
            
            options: "Ayarlar",
            updatetoggle: " Güncelleştirmeleri Kontrol Et",
            replacetoggle: " Video Başlığını Değiştir",
            vinfotoggle: " Cookie bilgisini ziyaret et (Gelişmiş)",
            tformat: "Başlık Türü: ",
            apply: "Onayla",
            tformatinfo: "%t - video başlığı\n%c - yükleyen\n%f - tür numarası\n%v - video id'i\n%% - değişmez yüzde",
        },
        "zh-tw": { // http://userscripts.org/users/381783
            errormsg: "錯誤: YouTube已更新,YouTube Video Download現已無效",
            errorlink: "請點選此處更新YouTube Video Download",
            
            button: "下載",
            tip: "儲存到硬碟",
            
            low: "低品質",
            high: "低畫質",
            
            lowdef: "低畫質",
            stddef: "標準畫質",
            highdef: "HD",
            fhighdef: "Full HD",
            
            origdef: "原始畫質",
            
            unknown: "不明的格式",
            
            dlheader: "選擇要下載的格式:",
            nofmts: "錯誤:沒有可用的下載格式.",
            update1: "有新的YouTube Video Download可供更新.",
            update2: "請點選此處更新.",
            
            options: "選項",
            updatetoggle: " 檢查更新",
            replacetoggle: " 重命名",
            vinfotoggle: " 設定瀏覽者cookies (進階)",
            tformat: "標題格式: ",
            apply: "套用",
            tformatinfo: "%t - 影片標題\n%c - 上傳者\n%f - 格式\n%v - 影片id\n%% - 百分比",
        },
    };
    
    function getTrans(str)
    {
        var ret;
        if (translation[language] && (ret = translation[language][str]))
            return ret;
        else if (ret = translation["en"][str])
            return ret;
        else
            return "";
    }
    
    function createElem(tagName, template)
    {
        var ret = document.createElement(tagName);
        for (var attribute in template)
            if (attribute == "style")
                for (var property in template["style"])
                    ret.style[property] = template["style"][property];
            else if (attribute == "className")
                ret.className = template["className"];
            else if (attribute == "checked")
                ret.checked = template["checked"];
            else if (attribute == "disabled")
                ret.disabled = template["disabled"];
            else if (attribute == "children")
                for (var i = 0; i < template["children"].length; i ++)
                    ret.appendChild(template["children"][i]);
            else if (attribute == "actions")
                for (var action in template["actions"])
                    ret.addEventListener(action, template["actions"][action], false);
            else
                ret.setAttribute(attribute, template[attribute]);
        return ret;
    }
    
    function createCookie(name, value, days)
    {
        if (days)
        {
            var date = new Date();
            date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
            var expires = "; expires=" + date.toGMTString();
        }
        else
            var expires = "";
        document.cookie = name + "=" + value + expires + "; path=/; domain=.youtube.com";
    }

    function readCookie(name)
    {
        var nameEQ = name + "=";
        var ca = document.cookie.split(';');
        for (var i = 0; i < ca.length; i++)
        {
            var c = ca[i];
            while (c.charAt(0) == ' ')
                c = c.substring(1, c.length);
            if (c.indexOf(nameEQ) == 0)
                return c.substring(nameEQ.length, c.length);
        }
        return null;
    }

    function eraseCookie(name)
    {
        createCookie(name, "", -1);
    }
    
    function checkForUpdates()
    {
        window.addEventListener("message", function(event) {
            remoteVersion = /^\/\/ @version\s+(.+)$/m.exec(event.data)[1];
            
            if (remoteVersion)
            {
                localStorage["_ytd_lastUpdateCheck"] = currDate;
                localStorage["_ytd_remoteVersion"] = remoteVersion;
                
                if (remoteVersion != _ytd_localVersion)
                    showUpdate();
            }
        }, false);
        
        document.body.appendChild(createElem("iframe", {
            src: "http://userscripts.org/scripts/source/62634.meta.js",
            style: {
                position: "absolute",
                width: "1px",
                height: "1px",
                left: "-1px",
                top: "-1px",
            },
        }));
    }
    
    function initFormats()
    {
        formats = {
            5:  { itag: 5 , quality:  1, description: getTrans("low")     , format: "FLV" , mres: { width:  400, height:  240 }, acodec: "MP3"   , vcodec: "SVQ"                          , arate: 22050, abr:  64000, vbr:  250000 },
            18: { itag: 18, quality:  5, description: getTrans("high")    , format: "MP4" , mres: { width:  480, height:  360 }, acodec: "AAC"   , vcodec: "H.264" , vpro: "Baseline@L3.0", arate: 44100, abr:  96000, vbr:  500000 },
            22: { itag: 22, quality:  8, description: getTrans("highdef") , format: "MP4" , mres: { width: 1280, height:  720 }, acodec: "AAC"   , vcodec: "H.264" , vpro: "High@L3.1"    , arate: 44100, abr: 152000, vbr: 2000000 },
            34: { itag: 34, quality:  3, description: getTrans("lowdef")  , format: "FLV" , mres: { width:  640, height:  360 }, acodec: "AAC"   , vcodec: "H.264" , vpro: "Main@L3.0"    , arate: 44100, abr: 128000, vbr:  500000 },
            35: { itag: 35, quality:  6, description: getTrans("stddef")  , format: "FLV" , mres: { width:  854, height:  480 }, acodec: "AAC"   , vcodec: "H.264" , vpro: "Main@L3.0"    , arate: 44100, abr: 128000, vbr:  800000 },
            37: { itag: 37, quality:  9, description: getTrans("fhighdef"), format: "MP4" , mres: { width: 1920, height: 1080 }, acodec: "AAC"   , vcodec: "H.264" , vpro: "High@L4.0"    , arate: 44100, abr: 152000, vbr: 3500000 },
            38: { itag: 38, quality: 10, description: getTrans("origdef") , format: "MP4" , mres: { width: 4096, height: 3072 }, acodec: "AAC"   , vcodec: "H.264" },
            43: { itag: 43, quality:  2, description: getTrans("lowdef")  , format: "WebM", mres: { width:  640, height:  360 }, acodec: "Vorbis", vcodec: "VP8"                          , arate: 44100, abr: 128000, vbr:  500000 },
            44: { itag: 44, quality:  4, description: getTrans("stddef")  , format: "WebM", mres: { width:  854, height:  480 }, acodec: "Vorbis", vcodec: "VP8"                          , arate: 44100, abr: 128000, vbr: 1000000 }, 
            45: { itag: 45, quality:  7, description: getTrans("highdef") , format: "WebM", mres: { width: 1280, height:  720 }, acodec: "Vorbis", vcodec: "VP8"                          , arate: 44100, abr: 192000, vbr: 2000000 },
        };
        orderedFormats = new Array();
    }
    
    var createMenu = function() {
        var ret;
        button = createElem("button", {
            className: "yt-uix-button" + (watchFlag.disabled ? "" : " yt-uix-tooltip") + " yt-uix-tooltip-reverse",
            title: (watchFlag.disabled ? "" : getTrans("tip")),
            type: "button",
            role: "button",
            "aria-pressed": "false",
            onclick: "; return false;",
            disabled: watchFlag.disabled,
            children: [
                createElem("span", {
                    className: "yt-uix-button-content",
                    children: [
                        document.createTextNode(getTrans("button")),
                    ],
                }),
                document.createTextNode(" "),
                createElem("img", {
                    className: "yt-uix-button-arrow",
                    src: "//s.ytimg.com/yt/img/pixel-vfl73.gif",
                    alt: "",
                }),
                ret = createElem("div", {
                    className: "yt-uix-button-menu",
                    style: {
                        display: "none",
                        backgroundColor: "#eaeaea",
                    },
                    children: [
                        dlheader = createElem("div", {
                            className: "yt-uix-button-menu-item",
                            style: {
                                fontSize: "smaller",
                                fontWeight: "bold",
                                backgroundColor: "#eaeaea",
                                cursor: "default",
                            },
                            children: [
                                document.createTextNode(getTrans("nofmts")),
                            ],
                        }),
                        updateMsg = createElem("a", {}),
                    ],
                }),
            ],
        });
        return ret;
    };
    
    var appendedMenu = false;
    var appendMenu = function() {
        watchFlag.parentNode.insertBefore(button, watchFlag);
        watchFlag.parentNode.insertBefore(document.createTextNode(" "), watchFlag);
        appendedMenu = true;
    };
    
    function createHeader()
    {
        dlheader.style.borderBottom = "1px solid #999999";
        dlheader.removeChild(dlheader.firstChild);
        dlheader.appendChild(createElem("a", {
            style: {
                cssFloat: "right",
                color: "#4272db",
                fontWeight: "normal",
                cursor: "pointer",
            },
            children: [
                document.createTextNode(getTrans("options")),
            ],
            actions: {
                click: function() {
                    options.style.display = options.style.display == "none" ? "" : "none";
                },
            },
        }));
        dlheader.appendChild(document.createTextNode(getTrans("dlheader")));
        var tformat;
        dlheader.appendChild(options = createElem("div", {
            style: {
                display: "none",
                fontWeight: "normal",
                fontSize: "12px",
                paddingTop: "6px",
            },
            children: [
                createElem("input", {
                    type: "checkbox",
                    id: "-ytd-update",
                    checked: localStorage["_ytd_checkForUpdates"] == "yes",
                    actions: {
                        change: function() {
                            localStorage["_ytd_checkForUpdates"] = this.checked ? "yes" : "no";
                        },
                    },
                }),
                createElem("label", {
                    "for": "-ytd-update",
                    children: [
                        document.createTextNode(getTrans("updatetoggle")),
                    ],
                }),
                createElem("br", {}),
                createElem("input", {
                    type: "checkbox",
                    id: "-ytd-setvinfo",
                    checked: readCookie("VISITOR_INFO1_LIVE") == "AAAAAAAAAAA",
                    actions: {
                        change: function() {
                            if (this.checked)
                                createCookie("VISITOR_INFO1_LIVE", "AAAAAAAAAAA", 9999);
                            else
                                eraseCookie("VISITOR_INFO1_LIVE");
                        },
                    },
                }),
                createElem("label", {
                    "for": "-ytd-setvinfo",
                    children: [
                        document.createTextNode(getTrans("vinfotoggle")),
                    ],
                }),
                createElem("br", {}),
                createElem("input", {
                    type: "checkbox",
                    id: "-ytd-replace",
                    checked: localStorage["_ytd_replaceTitle"] == "yes",
                    actions: {
                        change: function() {
                            if (this.checked)
                            {
                                localStorage["_ytd_replaceTitle"] = "yes";
                                tformat.disabled = false;
                            }
                            else
                            {
                                localStorage["_ytd_replaceTitle"] = "no";
                                localStorage["_ytd_titleFormat"] = "video";
                                tformat.value = "video";
                                tformat.disabled = true;
                            }
                            getStreamMap();
                            getHTML5Map();
                        },
                    },
                }),
                createElem("label", {
                    "for": "-ytd-replace",
                    children: [
                        document.createTextNode(getTrans("replacetoggle")),
                    ],
                }),
                createElem("br", {}),
                document.createTextNode(getTrans("tformat")),
                tformat = createElem("input", {
                    type: "text",
                    disabled: localStorage["_ytd_replaceTitle"] != "yes",
                    value: localStorage["_ytd_titleFormat"],
                    actions: {
                        input: function() {
                            localStorage["_ytd_titleFormat"] = this.value;
                        },
                    },
                }),
                document.createTextNode(" "),
                createElem("a", {
                    style: {
                        color: "#4272db",
                        cursor: "pointer",
                    },
                    children: [
                        document.createTextNode(getTrans("apply")),
                    ],
                    actions: {
                        click: function() {
                            getStreamMap();
                            getHTML5Map();
                        },
                    },
                }),
                createElem("br", {}),
                createElem("span", {
                    style: {
                        fontSize: "smaller",
                        whiteSpace: "pre",
                    },
                    children: [
                        document.createTextNode(getTrans("tformatinfo")),
                    ],
                }),
            ],
        }));
    }
    
    var addMenu = function(format) {
        var width;
        var height;
        
        if (format.fres)
        {
            width = format.fres.width;
            height = format.fres.height;
        }
        else if (format.mres)
            if (Math.abs(format.mres.width / format.mres.height - 1.7) < 0.1 && Math.abs(sar - 1.7) < 0.1)
            {
                width = format.mres.width;
                height = format.mres.height;
            }
            else if (format.mres.height * sar > format.mres.width)
            {
                width = format.mres.width;
                height = format.mres.width / sar;
            }
            else
            {
                width = format.mres.height * sar;
                height = format.mres.height;
            }
        
        var elem = createElem("a", {
            href: format.url,
            className: "yt-uix-button-menu-item",
            style: {
                position: "relative",
                paddingRight: "7em",
            },
            children: [
                document.createTextNode(format.description ? format.description + (format.mres && Math.abs(format.mres.width / format.mres.height - 1.7) < 0.1 ? ", " + format.mres.height + "p" : "") + " " + format.format + " " : getTrans("unknown") + " " + format.itag),
                createElem("span", {
                    style: {
                        position: "absolute",
                        right: "0.6666em",
                        opacity: 0.6,
                        cssFloat: "right",
                    },
                    children: [
                        document.createTextNode(format.vcodec ? format.vcodec + (format.acodec ? "/" + format.acodec: "") : format.html5hint ? format.html5hint.type.substring(0, format.html5hint.type.indexOf(";")) : "itag=" + format.itag),
                    ],
                }),
            ],
        });
        if (!orderedFormats.length)
            createHeader();
        
        var i;
        for (i = 0; i < orderedFormats.length; i ++)
            if (orderedFormats[i].quality < format.quality)
                break;
        
        if (orderedFormats[i])
            menu.insertBefore(elem, orderedFormats[i].elem);
        else
            menu.insertBefore(elem, updateMsg);
        orderedFormats.splice(i, 0, format);
        
        if (format.elem)
            menu.removeChild(format.elem);
        format.elem = elem;
    }
    
    var updateShown = false;
    showUpdate = function() {
        var link;
        
        if (updateShown)
            return;
        else
            updateShown = true;
        
        updateMsg.setAttribute("href", "http://userscripts.org/scripts/source/62634.user.js");
        
        updateMsg.className = "yt-uix-button-menu-item";
        updateMsg.style.fontSize = "smaller";
        updateMsg.style.fontWeight = "bold";
        updateMsg.style.backgroundColor = "#eaeaea";
        updateMsg.style.borderTop = "1px solid #999999";
        
        updateMsg.appendChild(document.createTextNode(getTrans("update1")));
        updateMsg.appendChild(createElem("br", {}));
        updateMsg.appendChild(link = createElem("span", {
            style: {
                fontWeight: "normal",
                color: "#4272db",
            },
            children: [
                document.createTextNode(getTrans("update2")),
            ],
        }));
        
        updateMsg.addEventListener("mouseover", function() {
            link.style.textDecoration = "underline";
        }, false);
        updateMsg.addEventListener("mouseout", function() {
            link.style.textDecoration = "";
        }, false);
    };
    
    function addUrl(itag, url)
    {
        if (localStorage["_ytd_replaceTitle"])
        {
            var titleChangable = true;
            var tformatted = localStorage["_ytd_titleFormat"].replace(/%./g, function(str, offset, s) {
                if (str == "%t")
                    return title;
                else if (str == "%c")
                    return channel;
                else if (str == "%f")
                    return itag;
                else if (str == "%v")
                    return videoId;
                else if (str == "%%")
                    return "%";
                return str;
            });
            var escapedTitle = tformatted.replace(/"/g, "-").replace(/%/g, "%25").replace(/=/g, "%3D").replace(/,/g, "%2C").replace(/&/g, "%26").replace(/#/g, "%23").replace(/\?/g, "%3F").replace(/\//g, "_").replace(/\\/g, "_").replace(/ /g, "+");
            var queryLoc = url.indexOf("?");
            var location = url.substr(0, queryLoc);
            var query = url.substr(queryLoc + 1).split("&");
            var name;
            var splitLoc;
            for (var i = 0; i < query.length; i ++)
            {
                name = query[i].substr(0, splitLoc = query[i].indexOf("="));
                if (name == "sparams")
                {
                    var sparams = unescape(query[i].substr(splitLoc + 1)).split(",");
                    for (var j = 0; j < sparams.length; j ++)
                        if (sparams[j] == "title")
                            titleChangable = false;
                }
                else if (name == "title" && titleChangable)
                {
                    query[i] = "title=" + escapedTitle;
                    titleChangable = false;
                    url = location + "?" + query.join("&");
                }
            }
            if (titleChangable)
                url = url + "&title=" + escapedTitle;
        }
        
        if (formats[itag])
            formats[itag].url = url;
        else
            formats[itag] = { itag: itag, url: url };
        
        addMenu(formats[itag]);
    }
    
    function getStreamMap()
    {
        var streamMap;
        try
        {
            if (!(streamMap = yt.getConfig("PLAYER_CONFIG").args["url_encoded_fmt_stream_map"]))
                throw "";
        }
        catch (e)
        {
            try
            {
                var flashVars = document.getElementById("movie_player").getAttribute("flashvars").split("&");
                var splitLoc;
                var name;
                for (var i = 0; i < flashVars.length; i ++)
                {
                    name = flashVars[i].substr(0, splitLoc = flashVars[i].indexOf("="));
                    if (name == "url_encoded_fmt_stream_map")
                        streamMap = unescape(flashVars[i].substr(splitLoc + 1));
                }
                if (!streamMap)
                    throw "";
            }
            catch (e)
            {
                try
                {
                    var swfConfigTxt = document.getElementById("postpage").getElementsByTagName("script")[3].textContent;
                    if (swfConfigTxt.substring(0, 18) == "\n    (function() {")
                    {
                        eval(swfConfigTxt.substring(18, swfConfigTxt.length - 8))
                        streamMap = swfConfig.args.url_encoded_fmt_stream_map;
                    }
                }
                catch (e)
                {
                    return false;
                }
            }
        }
        
        if (streamMap)
        {
            streamMap = streamMap.split(",");
            var split;
            var url;
            var itag;
            var name;
            for (var i = 0; i < streamMap.length; i ++)
            {
                split = streamMap[i].split("&");
                for (var j = 0; j < split.length; j ++)
                {
                    name = split[j].substring(0, split[j].indexOf("="));
                    if (name == "url")
                        url = unescape(split[j].substring(split[j].indexOf("=") + 1));
                    else if (name == "itag")
                        itag = parseInt(split[j].substring(split[j].indexOf("=") + 1));
                }
                addUrl(itag, url);
            }
            return true;
        }
        else
            return false;
    }
    
    function getHTML5Map()
    {
        try
        {
            var hFormatMap = yt.getConfig("PLAYER_CONFIG").args["html5_fmt_map"];
            if (hFormatMap)
                for (var i = 0; i < hFormatMap.length; i ++)
                {
                    if (formats[hFormatMap[i].itag])
                        formats[hFormatMap[i].itag].html5hint = hFormatMap[i];
                    else
                        formats[hFormatMap[i].itag] = { itag: hFormatMap[i].itag, html5hint: hFormatMap[i] };
                    addUrl(hFormatMap[i].itag, hFormatMap[i].url);
                }
            else
                return false;
        }
        catch (e)
        {
            return false;
        }
        return true;
    }
    
    function getTitle()
    {
        var title = document.getElementById("eow-title");
        if (title)
            return title.getAttribute("title").replace(/^\s+/, "").replace(/\s+$/, "");
        else
            return document.title.substr(10);
    }
    
    function getChannel()
    {
        try
        {
            return yt.getConfig("VIDEO_USERNAME");
        }
        catch (e)
        {
            try
            {
                return document.getElementById("watch-uploader-info").getElementsByClassName("author")[0].textContent;
            }
            catch (e)
            {
                return "unknown";
            }
        }
    }
    
    function getSAR()
    {
        try
        {
            return yt.getConfig("IS_WIDESCREEN") ? 16/9 : 4/3;
        }
        catch (e)
        {
            return 16/9;
        }
    }
    
    function getVideoId()
    {
        try
        {
            return yt.getConfig("VIDEO_ID");
        }
        catch (e)
        {
            return "";
        }
    }
    
    var vo;
    if (vo = document.getElementById("vo"))
    {
        var ret;
        
        createMenu = function() {
            vo.insertBefore(createElem("button", {
                className: "b",
                children: [
                    document.createTextNode("Download"),
                ],
                actions: {
                    click: function() {
                        featherMenu.style.display = featherMenu.style.display == "none" ? "" : "none";
                    },
                },
            }), vo.lastChild);
            
            vo.parentNode.insertBefore(ret = createElem("div", {
                style: {
                    marginTop: "10px",
                    lineHeight: "14px",
                    padding: "5px",
                    border: "1px solid #eaeaea",
                    borderRadius: "5px",
                    display: "none",
                },
            }), vo.nextSibling);
            
            return ret;
        };
        
        addMenu = function(format) {
            var elem = createElem("a", {
                href: format.url,
                children: [
                    document.createTextNode(format.description ? format.description + (format.mres && Math.abs(format.mres.width / format.mres.height - 1.7) < 0.1 ? ", " + format.mres.height + "p" : "") + " " + format.format + " " : getTrans("unknown")),
                ],
                style: {
                    display: "block",
                },
            });
            var i;
            
            for (i = 0; i < orderedFormats.length; i ++)
                if (orderedFormats[i].quality < format.quality)
                    break;
            
            if (orderedFormats[i])
                menu.insertBefore(elem, orderedFormats[i].elem);
            else
                menu.appendChild(elem);
            orderedFormats.splice(i, 0, format);
            
            if (format.elem)
                menu.removeChild(format.elem);
            format.elem = elem;
        };
        
        showUpdate = function() {};
        appendMenu = function() {};
    }
    
    try
    {
        if (!localStorage["_ytd_checkForUpdates"])
            localStorage["_ytd_checkForUpdates"] = ((window.chrome || window.globalStorage) && _ytd_localVersion != "git" ? "yes" : "no");
        if (!localStorage["_ytd_replaceTitle"])
            localStorage["_ytd_replaceTitle"] = "yes";
        if (!localStorage["_ytd_titleFormat"])
            localStorage["_ytd_titleFormat"] = "%t";
        
        title = getTitle();
        channel = getChannel();
        sar = getSAR();
        videoId = getVideoId();
        
        menu = createMenu();
        if (watchFlag.disabled)
        {
            appendMenu();
            return;
        }
        initFormats();
        getStreamMap();
        getHTML5Map();
        appendMenu();
        
        if (localStorage["_ytd_localVersion"] != _ytd_localVersion)
        {
            localStorage["_ytd_remoteVersion"] = _ytd_localVersion;
            localStorage["_ytd_localVersion"] = _ytd_localVersion;
        }
        
        if (localStorage["_ytd_checkForUpdates"] == "yes")
        {
            if (!localStorage["_ytd_remoteVersion"] || !localStorage["_ytd_lastUpdateCheck"] || currDate - parseInt(localStorage["_ytd_lastUpdateCheck"]) > 1000 * 60 * 60 * 24 * 2)
                checkForUpdates();
            
            if (localStorage["_ytd_remoteVersion"] && localStorage["_ytd_remoteVersion"] != _ytd_localVersion)
                showUpdate();
        }
    }
    catch (e)
    {
        var firstChild = document.body.firstChild;
        document.body.insertBefore(document.createTextNode(getTrans("errormsg")), firstChild);
        document.body.insertBefore(createElem("a", {
            href: "http://userscripts.org/scripts/show/62634",
            target: "_blank",
            children: [
                document.createTextNode(getTrans("errorlink")),
            ],
        }), firstChild);
        document.body.insertBefore(createElem("br"), firstChild);
        document.body.insertBefore(document.createTextNode("Error: " + (e.lineNumber ? e.lineNumber+ ": " : "") + (e.name ? e.name + ": ": "") + (e.message ? e.message : e.description ? e.description : "")), firstChild);
        
        if (button && !appendedMenu)
            appendMenu();
        
        throw e;
    }
});
else if (document.location.href == "http://userscripts.org/scripts/source/62634.meta.js") inject(function() {
    window.parent.postMessage(document.documentElement.textContent, "*");
});