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InoReader Key Customize

Customize keyboard shortcuts in InoReader. / InoReaderのキーボードショートカットをカスタマイズします。

質問やレビューの投稿はこちらへ、スクリプトの通報はこちらへどうぞ。
// ==UserScript==
// @name    InoReader Key Customize
// @description    Customize keyboard shortcuts in InoReader. / InoReaderのキーボードショートカットをカスタマイズします。
// @description:en    Customize keyboard shortcuts in InoReader.
// @description:ja    InoReaderのキーボードショートカットをカスタマイズします。
// @id    InoReaderKeyCustomize
// @namespace    http://userscripts.org/scripts/show/173920
// @homepage    https://greasyfork.org/scripts/898-inoreader-key-customize
// @include    http://inoreader.com/*
// @include    https://inoreader.com/*
// @include    http://www.inoreader.com/*
// @include    https://www.inoreader.com/*
// @include    http://jp.inoreader.com/*
// @include    https://jp.inoreader.com/*
// @include    http://us.inoreader.com/*
// @include    https://us.inoreader.com/*
// @exclude    *inoreader.com/stream*
// @exclude    *inoreader.com/m/*
// @grant    GM_openInTab
// @noframes
// @require    https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js
// @version    1.80
// ==/UserScript==

(function() {
  'use strict';

  if (!/Ino\s?reader/i.test(document.title)) return;
  var gTimeout = 2000,
    key = {},
    key2 = {},
    st = {},
    cha = '',
    cha2 = '',
    anime = false,
    iInit;
  var $id = function(id) {
    return document.getElementById(id);
  };
  var init = function() {
    if (typeof jQuery !== 'function') return;
    var localeJa = {
      general: [
        '設定',
        'キャンセル',
        '"g"以外の英数字を登録。(例 "b": Bキーで動作 "B": Shift+Bキーで動作)',
        'スムーズスクロール',
        'スクロール時間 (ミリ秒)',
        'スクロールマージン',
        'インラインフレームをサンドボックス化',
        'フォームの実行を許可',
        'スクリプトの実行を許可',
        '前後の記事を選択する処理を軽量化'
      ],
      tabs: [
        'ナビゲーション',
        'アイテム',
        'ジャンプ',
        'アプリケーション',
        'ビュー',
        'スクロール',
        'その他'
      ],
      navigation: {
        k: '前の記事を開く ( k )',
        j: '次の記事を開く ( j )',
        p: '前の記事を選択 ( p )',
        n: '次の記事を選択 ( n )',
        o: '選択した記事を開閉 ( o )',
        X: '選択したフォルダを開閉 ( X )',
        K: '前のタグ/フィード/フォルダを開く ( K )',
        J: '次のタグ/フィード/フォルダを開く ( J )',
        P: '前のタグ/フィード/フォルダを選択 ( P )',
        N: '次のタグ/フィード/フォルダを選択 ( N )',
        O: '選択したタグ/フィード/フォルダを開く ( O )',
        D: '選択したタグ/フィード/フォルダを削除 ( D )',
        R: '選択したタグ/フィード/フォルダをリネーム ( R )'
      },
      items: {
        v: '記事を新しいタブで開く ( v* )',
        b: '記事をバックグラウンドの新しいタブで開く ( b* )',
        m: '記事を既読/未読にする ( m )',
        A: 'すべての記事を既読にする ( A )',
        ctrlM: '上側の記事をすべて既読にする ( Ctrl+m )',
        M: '下側の記事をすべて既読にする ( M )',
        q: '記事全体をインラインフレームで読み込む ( q )',
        w: 'モバイル用コンテンツを読み込む ( w )',
        l: '記事に「いいね!」を付ける/外す ( l )',
        f: '記事にスターを付ける/外す ( f )',
        i: '記事をInstapaperへ送信 ( i )',
        x: '記事をOneNoteへ送信 ( x )',
        y: '記事をPocketへ送信 ( y )',
        z: '記事をEvernoteへ送信 ( z )',
        c: '記事にコメント ( c )',
        e: '記事をメールで共有 ( e )',
        s: '記事を拡散する ( s )',
        t: '記事のタグを編集 ( t )'
      },
      jump: {
        gd: '「ダッシュボード」を開く ( g-d )',
        ga: '「全ての記事」を開く ( g-a )',
        gf: '「お気に入り」を開く ( g-f )',
        gw: '「保存したウェブページ」を開く ( g-w )',
        gs: '「統計表示」を開く ( g-s )',
        gc: '「チャンネル」を開く ( g-c )',
        gu: 'フィードを指定して表示 ( g-u )',
        gt: 'タグ/フォルダを指定して表示 ( g-t )',
        period: 'タグ/フォルダ/フィード/セクションを指定して表示 ( . )'
      },
      application: {
        a: 'フィードを追加 ( a )',
        r: '更新 ( r )',
        slash: '検索ボックスにフォーカス ( / )',
        plus: '文字サイズを大きく ( + )',
        minus: '文字サイズを小さく ( - )',
        _0: '文字サイズをリセット ( 0 )',
        d: 'ツリーの表示/非表示 ( d )',
        u: 'ツリーの表示/(記事を最大幅に広げて)非表示 ( u )',
        altP: '設定ダイアログを開く ( Alt+p )',
        altC: '更新履歴を開く ( Alt+c )',
        altI: '講読アイテム/フォルダ/タグの情報を表示 ( Alt+i )',
        h: 'ヘルプを開く ( h )'
      },
      reading: {
        _1: 'リストビューへ切替 ( 1 )',
        _2: '展開ビューへ切替 ( 2 )',
        _3: 'リストビューへ切替 ( 3 )',
        _4: 'カードビューへ切替 ( 4 )',
        _5: 'マガジンビューへ切替 ( 5 )',
        $sortNewest: '記事を新しい順に表示',
        $sortOldest: '記事を古い順に表示',
        shift1: 'すべての記事を表示 ( Shift+1 )',
        shift2: '未読記事のみ表示 ( Shift+2 )',
        shift3: 'スター付き記事のみ表示 ( Shift+3 )',
        $subscriptionsAll: 'すべての購読アイテムを表示',
        $subscriptionsUpdate: '未読の購読アイテムのみ表示',
        $subscriptionsDim: '既読の購読アイテムを薄く表示'
      },
      scroll: {
        PageUp: '上に1ページスクロール ( PageUp* )',
        PageDown: '下に1ページスクロール ( PageDown* )',
        Home: '先頭にスクロール ( Home* )',
        End: '末尾にスクロール ( End* )',
        Up: '上に1行スクロール ( Up* )',
        Down: '下に1行スクロール ( Down* )',
        SPACE: '上にスクロール / 前へ移動 ( SPACE* )',
        space: '下にスクロール / 次へ移動 ( space* )'
      },
      etc: {}
    };
    var localeEn = {
      general: [
        'Settings',
        'Cancel',
        'An alphanumeric character except "g". (for example, "b": b key, "B": Shift-b key)',
        'Smooth Scrolling',
        'Scroll duration (msec)',
        'Scroll margin',
        'Sandboxed iframe',
        'Allow Scripts',
        'Allow Forms',
        'Lightweight process for focus previous/next article'
      ],
      tabs: [
        'Navigation',
        'Items',
        'Jump',
        'Application',
        'Reading',
        'Scroll',
        'Others'
      ],
      navigation: {
        k: 'Previous article ( k )',
        j: 'Next article ( j )',
        p: 'Focus previous article ( p )',
        n: 'Focus next article  ( n )',
        o: 'Open/Close article ( o )',
        X: 'Open/Collapse folder ( X )',
        K: 'Previous item ( K )',
        J: 'Next item ( J )',
        P: 'Focus previous item ( P )',
        N: 'Focus next item ( N )',
        O: 'Open focused item ( O )',
        D: 'Delete folder/feed ( D )',
        R: 'Rename folder/feed ( R )'
      },
      items: {
        v: 'Open in new tab ( v* )',
        b: 'Open in background tab ( b* )',
        m: 'Mark as read/unread ( m )',
        A: 'Mark all as read ( A )',
        ctrlM: 'Mark above as read ( Ctrl+m )',
        M: 'Mark below as read ( M )',
        q: 'Embed full article ( q )',
        w: 'Load mobilized content ( w )',
        l: 'Like ( l )',
        f: 'Star article ( f )',
        i: 'Send article to Instapaper ( i )',
        x: 'Send article to OneNote ( x )',
        y: 'Send article to Pocket ( y )',
        z: 'Send article to Evernote ( z )',
        c: 'Comment ( c )',
        e: 'Send via email ( e )',
        s: 'Broadcast ( s )',
        t: 'Add tags ( t )'
      },
      jump: {
        gd: 'Dashboard ( g-d )',
        ga: 'All articles ( g-a )',
        gf: 'Favorites ( g-f )',
        gw: 'Saved web pages ( g-w )',
        gs: 'Statistics ( g-s )',
        gc: 'Channels ( g-c )',
        gu: 'Go to feed ( g-u )',
        gt: 'All to folder/tag ( g-t )',
        period: 'Show Jumper ( . )'
      },
      application: {
        a: 'Add subscription ( a )',
        r: 'Refresh feed ( r )',
        slash: 'Focus Search ( / )',
        plus: 'Increase font size ( + )',
        minus: 'Decrease font size ( - )',
        _0: 'Reset font size ( 0 )',
        d: 'Dock/Undock tree ( d )',
        u: 'Dock/Undock tree (full width) ( u )',
        altP: 'Preferences ( Alt+p )',
        altC: 'Changelog ( Alt+c )',
        altI: 'Info dialog ( Alt+i )',
        h: 'Open help ( h )'
      },
      reading: {
        _1: 'List view ( 1 )',
        _2: 'Expanded view ( 2 )',
        _3: 'Column view ( 3 )',
        _4: 'Card view ( 4 )',
        _5: 'Magazine view ( 5 )',
        $sortNewest: 'Newest first',
        $sortOldest: 'Oldest first',
        shift1: 'All articles ( Shift+1 )',
        shift2: 'Unread articles ( Shift+2 )',
        shift3: 'Starred articles ( Shift+3 )',
        $subscriptionsAll: 'Show all subscriptions',
        $subscriptionsUpdate: 'Show updated subscriptions',
        $subscriptionsDim: 'Dim read subscriptions'
      },
      scroll: {
        PageUp: 'scroll page up ( PageUp* )',
        PageDown: 'scroll page down ( PageDown* )',
        Home: 'scroll top ( Home* )',
        End: 'scroll end ( End* )',
        Up: 'scroll line up ( Up* )',
        Down: 'scroll line down ( Down* )',
        SPACE: 'scroll up / previous article ( SPACE* )',
        space: 'scroll down / next article ( space* )'
      },
      etc: {}
    };
    var css = '#irkc_setting { color: black; min-width: 20em; padding: 0 0 0.5em 0; position: absolute; top: 38px; left: 38px; z-index: 90100; background: rgba(255, 255, 255, 0.98); border: 1px solid #999999; border-radius: 4px; box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2); -moz-user-select: none; -webkit-user-select: none; }' +
    '#irkc_setting fieldset:disabled > label { color: gray; }' +
    '#irkc_setting fieldset, #irkc_setting input[type="text"], #irkc_setting input[type="number"], #irkc_setting textarea { color: black; background-color: transparent; }' +
    '.irkc_hide { padding: 0 !important; }' +
    '.irkc_hide #irkc_btn, .irkc_hide #irkc_desc, .irkc_hide #irkc_tab, .irkc_hide #irkc_form { display: none; }' +
    '#irkc_titlebar { background-color: #666666; border-radius: 4px 4px 0 0; padding: 2px 0 0 4px; height: 2em; -moz-user-select: none; -webkit-user-select: none; }' +
    '#irkc_title a { font-weight: bold; color: white; text-decoration: none; }' +
    '#irkc_title a:hover { color: #FF9; }' +
    '#irkc_btn { position: absolute; top: 2px; right: 4px; }' +
    '#irkc_desc { padding: 0 0.5em; margin: 0.5em 0 1em 0; }' +
    '#irkc_tab { padding: 0 0.5em; margin-top: 1em; }' +
    '#irkc_tab span { background-color: #E9E9E9; background-image: -webkit-linear-gradient(#F9F9F9, #E9E9E9); background-image: linear-gradient(#F9F9F9, #E9E9E9); border: 1px solid #999999; padding: 2px 8px; border-radius: 4px 4px 0 0; cursor: pointer; -moz-user-select: none; -webkit-user-select: none; }' +
    '#irkc_tab span:hover { background-color: #F3F3F3; }' +
    '#irkc_tab .irkc_tab_selected, #irkc_tab .irkc_tab_selected:hover { background-color: #FFFFFF; background-image: none; border-bottom-color: #FFFFFF; }' +
    '#irkc_form { padding: 0.5em; border-top: 1px solid #999999; margin-top: 1px; }' +
    '#irkc_form input { margin: 2px 6px; padding: 2px 4px; text-align: center; width: 1.2em; vertical-align: inherit; }' +
    '#irkc_form input[type="checkbox"] { vertical-align: top; margin: 2px 2px 2px 0; }' +
    '#irkc_form fieldset + fieldset { margin: 0.5em auto; }' +
    '#irkc_settings-scrollduration { width: 6ex !important; }' +
    '#irkc_settings-scrollmargin_page, #irkc_settings-scrollmargin_space { width: 5ex !important; }' +
    '#irkc_items, #irkc_jump, #irkc_application, #irkc_scroll, #irkc_etc { display: none; }' +
    '.irkc_row { float: left; padding: 0 5px; }' +
    '#irkc_ok { margin-right: 0.5em; padding: 0 2em; }' +
    '#irkc_cancel { padding: 0 1ex; }' +
    '#irkc_ok, #irkc_cancel { font-size: 80%; }';
    var link = document.createElement('link');
    link.rel = 'stylesheet';
    link.href = `data:text/css,${encodeURIComponent(css)}`;
    document.getElementsByTagName('head')[0].appendChild(link);
    var div = document.createElement('div');
    div.id = 'irkc_setting';
    div.style.display = 'none';
    document.body.appendChild(div);
    var loc = (window.navigator.language === 'ja') ? localeJa : localeEn;
    var s = `<div id="irkc_titlebar"><div id="irkc_title"><a href="https://greasyfork.org/scripts/898-inoreader-key-customize" target="_blank">InoReader Key Customize${loc.general[0]}</a></div><div id="irkc_btn"><input id="irkc_ok" type="button" value="OK"><input id="irkc_cancel" type="button" value="${loc.general[1]}"></div></div><div id="irkc_desc">${loc.general[2]}</div><div id="irkc_tab">`;
    for (let i = 2, j = Object.keys(loc).length; i < j; i++) s += `<span id="irkc_tab_${Object.keys(loc)[i]}">${loc.tabs[i - 2]}</span>`;
    s += '</div><div id="irkc_form">';
    var addContents = function(id) {
      if (id === 'etc') {
        s += `<div id="irkc_etc"><fieldset><legend>${loc.general[3]}</legend><label>${loc.general[4]} :<input type="text" maxlength="4" id="irkc_settings-scrollduration"></label></fieldset><fieldset><legend>${loc.general[5]} (px)</legend><label>PageUp / PageDown :<input type="text" maxlength="3" id="irkc_settings-scrollmargin_page"></label><br><label>Space / Shift+Space :<input type="text" maxlength="3" id="irkc_settings-scrollmargin_space"></label></fieldset><fieldset id="irkc_settings-iframe_sandbox_fs"><legend><label><input type="checkbox" id="irkc_settings-iframe_sandbox">${loc.general[6]}</label></legend><label><input type="checkbox" id="irkc_settings-iframe_sandbox_form">${loc.general[7]}</label><br><label><input type="checkbox" id="irkc_settings-iframe_sandbox_script">${loc.general[8]}</label></fieldset><label><input type="checkbox" id="irkc_settings-replace_movearticle">${loc.general[9]}</label></div>`;
      } else {
        var n1 = 0,
          n2 = Object.keys(loc[id]).length - 1,
          s1 = '',
          s2 = '';
        s += `<div id="irkc_${id}"><span class="irkc_row">`;
        for (const i in loc[id]) {
          if (loc[id].hasOwnProperty(i)) {
            if (Math.floor(n2 / 2) >= n1) s1 += `<label><input id="irkc_key-${i}" type="text" maxlength="2">${loc[id][i]}</label><br>`;
            else s2 += `<label><input id="irkc_key-${i}" type="text" maxlength="2">${loc[id][i]}</label><br>`;
            n1 += 1;
          }
        }
        s += `${s1}</span><span class="irkc_row">${s2}</span></div>`;
      }
    };
    for (let i = 2, j = Object.keys(loc).length; i < j; i++) addContents(Object.keys(loc)[i]);
    s += '</div>';
    $id('irkc_setting').innerHTML = s;
    var addTabEvent = function(id) {
      var tab = $id(`irkc_tab_${id}`);
      if (id === 'navigation') tab.className = 'irkc_tab_selected';
      tab.addEventListener('click', () => {
        for (let i = 2, j = Object.keys(loc).length; i < j; i++) {
          $id(`irkc_${Object.keys(loc)[i]}`).style.display = 'none';
          $id(`irkc_tab_${Object.keys(loc)[i]}`).className = '';
        }
        $id(`irkc_${id}`).style.display = 'block';
        tab.className = 'irkc_tab_selected';
      }, false);
    };
    $id('irkc_settings-iframe_sandbox').addEventListener('click', () => {
      if ($id('irkc_settings-iframe_sandbox').checked) $id('irkc_settings-iframe_sandbox_fs').removeAttribute('disabled');
      else $id('irkc_settings-iframe_sandbox_fs').setAttribute('disabled', '');
    }, false);
    for (let i = 2, j = Object.keys(loc).length; i < j; i++) addTabEvent(Object.keys(loc)[i]);
    var loadKey = function() {
      var e = document.evaluate('id("irkc_form")//input', document, null, 7, null);
      for (let i = 0, j = e.snapshotLength; i < j; i++) {
        if (e.snapshotItem(i).value) e.snapshotItem(i).value = '';
        e.snapshotItem(i).removeAttribute('style');
      }
      key = JSON.parse(localStorage.getItem('InoReaderKeyCustomize_key')) || {};
      key2 = {};
      for (let p in key) {
        if (key.hasOwnProperty(p)) {
          if (p === 'PO' && !$id('irkc_key-K').value && !key.K) {
            $id('irkc_key-K').value = key[p];
            key.K = key[p];
            p = 'K';
          } else if (p === 'NO' && !$id('irkc_key-J').value && !key.J) {
            $id('irkc_key-J').value = key[p];
            key.J = key[p];
            p = 'J';
          } else if ($id(`irkc_key-${p}`)) $id(`irkc_key-${p}`).value = key[p];
          if (/[A-Z]/.test(key[p])) key[p] = `@${key[p]}`;
          else key[p] = key[p].toUpperCase();
          key2[p] = key[p].replace(/^(@?)!?(.)$/, '$1$2');
        }
      }
    };
    var loadSettings = function() {
      var notType = function(t, a) {
        return (Object.prototype.toString.call(a).slice(8, 11) !== t) ? true : false;
      };
      st = JSON.parse(localStorage.getItem('InoReaderKeyCustomize_settings')) || {};
      if (notType('Num', st.scrollduration) || st.scrollduration > 2000) st.scrollduration = 200;
      if (notType('Num', st.scrollmarginpage) || st.scrollmarginpage > 500) st.scrollmarginpage = 20;
      if (notType('Num', st.scrollmarginspace) || st.scrollmarginspace > 500) st.scrollmarginspace = 42;
      if (notType('Boo', st.iframesandbox)) st.iframesandbox = false;
      if (notType('Boo', st.iframesandboxform)) st.iframesandboxform = false;
      if (notType('Boo', st.iframesandboxscript)) st.iframesandboxscript = false;
      if (notType('Boo', st.replacemovearticle)) st.replacemovearticle = false;
      $id('irkc_settings-scrollduration').value = st.scrollduration;
      $id('irkc_settings-scrollmargin_page').value = st.scrollmarginpage;
      $id('irkc_settings-scrollmargin_space').value = st.scrollmarginspace;
      $id('irkc_settings-iframe_sandbox').checked = st.iframesandbox;
      $id('irkc_settings-iframe_sandbox_form').checked = st.iframesandboxform;
      $id('irkc_settings-iframe_sandbox_script').checked = st.iframesandboxscript;
      $id('irkc_settings-replace_movearticle').checked = st.replacemovearticle;
      if (st.iframesandbox) $id('irkc_settings-iframe_sandbox_fs').removeAttribute('disabled');
      else $id('irkc_settings-iframe_sandbox_fs').setAttribute('disabled', '');
    };
    $id('irkc_titlebar').addEventListener('dblclick', e => {
      if (e.target.nodeName === 'DIV') $id('irkc_setting').classList.toggle('irkc_hide');
    }, false);
    $id('irkc_ok').addEventListener('click', () => {
      $id('irkc_ok').blur();
      viewSettings();
      var e = document.evaluate('id("irkc_form")/div/span/label/input', document, null, 7, null),
        d = {};
      for (let n = 0; n < e.snapshotLength; n++) {
        if (/[^0-9a-fh-zA-Z!%&]/.test(e.snapshotItem(n).value)) e.snapshotItem(n).value = '';
        if (e.snapshotItem(n).value) d[e.snapshotItem(n).id.slice(9)] = e.snapshotItem(n).value;
      }
      localStorage.setItem('InoReaderKeyCustomize_key', JSON.stringify(d));
      var sd = $id('irkc_settings-scrollduration').value;
      var smp = $id('irkc_settings-scrollmargin_page').value;
      var sms = $id('irkc_settings-scrollmargin_space').value;
      if (sd && !isNaN(sd)) {
        sd = Number(sd);
        st.scrollduration = (sd < 0) ? 0 : (sd > 2000) ? 2000 : sd;
      } else st.scrollduration = 200;
      if (smp && !isNaN(smp)) {
        smp = Number(smp);
        st.scrollmarginpage = (smp < 0) ? 0 : (smp > 500) ? 500 : smp;
      } else st.scrollmarginpage = 20;
      if (sms && !isNaN(sms)) {
        sms = Number(sms);
        st.scrollmarginspace = (sms < 0) ? 0 : (sms > 500) ? 500 : sms;
      } else st.scrollmarginspace = 42;
      st.iframesandbox = $id('irkc_settings-iframe_sandbox').checked;
      st.iframesandboxform = $id('irkc_settings-iframe_sandbox_form').checked;
      st.iframesandboxscript = $id('irkc_settings-iframe_sandbox_script').checked;
      st.replacemovearticle = $id('irkc_settings-replace_movearticle').checked;
      localStorage.setItem('InoReaderKeyCustomize_settings', JSON.stringify(st));
      loadKey();
      loadSettings();
      resetListener();
    }, false);
    $id('irkc_cancel').addEventListener('click', () => {
      $id('irkc_cancel').blur();
      viewSettings();
      loadKey();
      loadSettings();
      resetListener();
    }, false);
    var menu = $id('sb_rp_settings_menu'),
      pqm = $id('preferences_quick_main'),
      item = document.createElement('div');
    item.id = 'irkc_settingmenu2';
    item.innerHTML = `Key Customize ${loc.general[0]}`;
    if (menu) {
      item.className = 'inno_toolbar_button_menu_item';
      var menuList = menu.children;
      if (!menuList[menuList.length - 1].id) {
        var line = document.createElement('div');
        line.className = 'inno_toolbar_button_menu_line';
        menu.insertBefore(line, menu.lastChild.nextSibling);
      }
      menu.insertBefore(item, menu.lastChild.nextSibling);
    } else if ($id('quick_options') && pqm) {
      item.className = 'quick_options_link';
      pqm.insertBefore(item, pqm.lastChild.nextSibling);
    }
    if ($id('irkc_settingmenu2')) {
      $id('irkc_settingmenu2').addEventListener('click', () => {
        viewSettings();
      }, false);
    }
    $('.quick_options_link').click(() => resetListener());
    document.addEventListener('keydown', keyDown, true);
    document.addEventListener('keypress', keyPress, true);
    document.addEventListener('keyup', keyUp, true);
    loadKey();
    loadSettings();
  };

  var resetListener = function() {
    document.removeEventListener('keydown', keyDown, true);
    document.removeEventListener('keypress', keyPress, true);
    document.removeEventListener('keyup', keyUp, true);
    document.addEventListener('keydown', keyDown, true);
    document.addEventListener('keypress', keyPress, true);
    document.addEventListener('keyup', keyUp, true);
  };

  var currentEntryXPath = function() {
    if ($id('article_dialog')) {
      return 'id("article_dialog")/div[@class="article_full_contents"]';
    }
    if ($id('three_way_contents') && $id('three_way_contents').style.display !== 'none' && $id('reader_pane').getElementsByClassName('article_current article_current_3way')[0]) {
      return 'id("three_way_contents")/div[@class="article_full_contents"][last()]';
    }
    if ($id('subscriptions_articles')) {
      return 'id("subscriptions_articles")/div[contains(concat(" ", normalize-space(@class), " "), " article_current ")]';
    }
    return 'id("reader_pane")//div[contains(concat(" ", normalize-space(@class), " "), " article_current ")]';
  };

  var viewSettings = function() {
    var se = $id('irkc_setting');
    if (se) {
      if (se.style.display !== 'block') {
        $('#irkc_tab_navigation').click();
        se.style.display = 'block';
      } else {
        se.style.display = 'none';
        $id('irkc_ok').removeAttribute('disabled');
      }
    }
  };

  var contentScriptInjection = function(source) {
    var script = document.createElement('script');
    if (typeof source === 'function') source = `(${source})();`;
    script.setAttribute('type', 'application/javascript');
    script.textContent = source;
    document.body.appendChild(script);
    document.body.removeChild(script);
  };

  var keyDown = function(e) {
    var set = $id('irkc_setting'),
      code = String.fromCharCode(e.keyCode),
      kc = (e.shiftKey) ? code : code.toLowerCase();
    if (!set) return;
    if (e.ctrlKey && e.altKey && e.shiftKey && e.keyCode === 191) resetListener();
    else if (e.ctrlKey && e.shiftKey && e.keyCode === 191) viewSettings();
    if (set.style.display === 'block') e.stopPropagation();
    if ((e.ctrlKey && code !== 'M') || (e.altKey && /^[^CIP]$/.test(code)) || e.metaKey || set.style.display === 'block' || /input|textarea/i.test(e.target.tagName)) return;
    if (e.shiftKey) code = `@${code}`;
    if (e.keyCode === 32) code = (e.shiftKey) ? '%' : '&';
    switch (code) {
    case key2.a:
    case key2.A:
    case key2.ga:
      cha = 'A';
      break;
    case key2.b:
      cha = 'B';
      break;
    case key2.c:
    case key2.gc:
    case key2.altC:
      cha = 'C';
      break;
    case key2.d:
    case key2.D:
    case key2.gd:
      cha = 'D';
      break;
    case key2.e:
      cha = 'E';
      break;
    case key2.f:
    case key2.gf:
      cha = 'F';
      break;
    case key2.h:
      cha = 'H';
      break;
    case key2.i:
    case key2.altI:
      cha = 'I';
      break;
    case key2.j:
    case key2.J:
      cha = 'J';
      break;
    case key2.k:
    case key2.K:
      cha = 'K';
      break;
    case key2.l:
      cha = 'L';
      break;
    case key2.m:
    case key2.M:
    case key2.ctrlM:
      cha = 'M';
      break;
    case key2.n:
    case key2.N:
      cha = 'N';
      break;
    case key2.o:
    case key2.O:
      cha = 'O';
      break;
    case key2.p:
    case key2.P:
    case key2.altP:
      cha = 'P';
      break;
    case key2.q:
      cha = 'Q';
      break;
    case key2.r:
    case key2.R:
      cha = 'R';
      break;
    case key2.s:
    case key2.gs:
      cha = 'S';
      break;
    case key2.t:
    case key2.gt:
      cha = 'T';
      break;
    case key2.u:
    case key2.gu:
      cha = 'U';
      break;
    case key2.v:
      cha = 'V';
      break;
    case key2.w:
    case key2.gw:
      cha = 'W';
      break;
    case key2.x:
    case key2.X:
      cha = 'X';
      break;
    case key2.y:
      cha = 'Y';
      break;
    case key2.z:
      cha = 'Z';
      break;
    case key2._0:
      cha = 48;
      break;
    case key2._1:
    case key2.shift1:
      cha = 49;
      break;
    case key2._2:
    case key2.shift2:
      cha = 50;
      break;
    case key2._3:
    case key2.shift3:
      cha = 51;
      break;
    case key2._4:
      cha = 52;
      break;
    case key2._5:
      cha = 53;
      break;
    case key2.plus:
      cha = 107;
      break;
    case key2.minus:
      cha = 109;
      break;
    case key2.period:
      cha = 190;
      break;
    case key2.slash:
      cha = 191;
      break;
    case key2.PageUp:
    case key2.PageDown:
    case key2.Home:
    case key2.End:
    case key2.Up:
    case key2.Down:
    case key2.space:
    case key2.SPACE:
    case key2.$sortNewest:
    case key2.$sortOldest:
    case key2.$subscriptionsAll:
    case key2.$subscriptionsUpdate:
    case key2.$subscriptionsDim:
      cha = -1;
      break;
    default:
      cha = '';
    }
    if (/^\d$/.test(kc)) kc = `_${kc}`;
    else if (e.keyCode === 32) kc = (e.shiftKey) ? 'SPACE' : 'space';
    else if (e.keyCode === 107) kc = 'plus';
    else if (e.keyCode === 109) kc = 'minus';
    else if (e.keyCode === 190) kc = 'period';
    else if (e.keyCode === 191) kc = 'slash';
    if (e.altKey && !e.ctrlKey && !e.shiftKey) kc = `alt${(/^_/.test(kc)) ? '' : '_'}${kc}`;
    else if (!e.altKey && e.ctrlKey && !e.shiftKey) kc = `ctrl${(/^_/.test(kc)) ? '' : '_'}${kc}`;
    else if (!e.altKey && !e.ctrlKey && e.shiftKey && e.keyCode !== 32) kc = `shift${(/^_/.test(kc)) ? '' : '_'}${kc}`;
    if (cha || /^!/.test(key[kc])) e.stopPropagation();
  };

  var keyPress = function(e) {
    var set = $id('irkc_setting'),
      cc = String.fromCharCode(e.charCode);
    if (!set) return;
    if (/^irkc_key/.test(e.target.id)) {
      e.target.value = e.target.value.trim();
      if (/^[0-9a-fh-zA-Z%&]/.test(cc)) {
        if (/^[^!]/.test(e.target.value)) e.target.value = null;
        else if (/^!/.test(e.target.value)) e.target.value = '!';
      }
      if (e.charCode === 32) e.target.value = (e.shiftKey) ? '%' : '&';
    }
    if (e.ctrlKey || e.altKey || e.metaKey || set.style.display === 'block' || /input|textarea/i.test(e.target.tagName)) return;
    var evt, eCe,
      code = cc.toUpperCase(),
      rp = $('#reader_pane'),
      ad = $('#article_dialog'),
      twc = $('#three_way_contents'),
      animeOption = {
        duration: st.scrollduration,
        complete: function() {
          anime = false;
        }
      };
    if (/^\d$/.test(cc)) cc = `_${cc}`;
    else if (e.charCode === 32) cc = (e.shiftKey) ? 'SPACE' : 'space';
    else if (e.charCode === 43) cc = 'plus';
    else if (e.charCode === 45) cc = 'minus';
    else if (e.charCode === 46) cc = 'period';
    else if (e.charCode === 47) cc = 'slash';
    if (!cha || cha === '!') return;
    if (e.shiftKey) code = `@${code}`;
    if (e.charCode === 32) code = (e.shiftKey) ? '%' : '&';
    if (code === 'G') {
      document.removeEventListener('keypress', keyPress, true);
      setTimeout(() => {
        document.addEventListener('keypress', keyPress, true);
      }, gTimeout);
      return;
    }
    e.stopPropagation();
    if (cha && isNaN(cha)) {
      if (cha === '%' || cha === '&') cha = 32;
      else cha = cha.charCodeAt();
    }
    cha2 = cha;
    evt = document.createEvent('KeyboardEvent');
    switch (code) {
    case key2.space:
    case key2.SPACE:
    case key2.PageUp:
    case key2.PageDown:
      eCe = document.evaluate(currentEntryXPath(), document, null, 9, null).singleNodeValue;
      break;
    }
    switch (code) {
    case key2.a:
    case key2.c:
    case key2.d:
    case key2.e:
    case key2.f:
    case key2.h:
    case key2.i:
    case key2.l:
    case key2.m:
    case key2.o:
    case key2.q:
    case key2.r:
    case key2.s:
    case key2.t:
    case key2.u:
    case key2.w:
    case key2.x:
    case key2.y:
    case key2.z:
    case key2._0:
    case key2._1:
    case key2._2:
    case key2._3:
    case key2._4:
    case key2._5:
    case key2.plus:
    case key2.minus:
    case key2.period:
    case key2.slash:
      evt.initKeyEvent('keydown', 1, 1, null, 0, 0, 0, 0, cha, 0);
      break;
    case key2.A:
    case key2.D:
    case key2.J:
    case key2.K:
    case key2.M:
    case key2.N:
    case key2.O:
    case key2.P:
    case key2.R:
    case key2.X:
    case key2.shift1:
    case key2.shift2:
    case key2.shift3:
      evt.initKeyEvent('keydown', 1, 1, null, 0, 0, 1, 0, cha, 0);
      break;
    case key2.altC:
    case key2.altI:
    case key2.altP:
      evt.initKeyEvent('keydown', 1, 1, null, 0, 1, 0, 0, cha, 0);
      break;
    case key2.ctrlM:
      evt.initKeyEvent('keydown', 1, 1, null, 1, 0, 0, 0, cha, 0);
      break;
    case key2.ga:
    case key2.gc:
    case key2.gd:
    case key2.gf:
    case key2.gs:
    case key2.gt:
    case key2.gu:
    case key2.gw:
      evt.initKeyEvent('keydown', 1, 1, null, 0, 0, 0, 0, 'G'.charCodeAt(), 0);
      break;
    case key2.b:
      var el1 = document.evaluate(`${currentEntryXPath()}//a[starts-with(@id, "aurl_")]`, document, null, 9, null).singleNodeValue;
      if (el1 && el1.href && /^(https?|ftp):\/\/.+$/.test(el1.href)) GM_openInTab(el1.href, true);
      else {
        el1 = document.evaluate(`${currentEntryXPath()}//a[starts-with(@id, "article_title_link_")]`, document, null, 9, null).singleNodeValue;
        if (el1 && el1.href && /^(https?|ftp):\/\/.+$/.test(el1.href)) GM_openInTab(el1.href, true);
      }
      cha = '';
      return;
    case key2.j:
    case key2.n:
      if (st.replacemovearticle) {
        var eA1 = document.getElementsByClassName('ar'),
          eC1 = document.getElementsByClassName('article_current')[0],
          eR1 = $id('reader_pane'),
          bC1 = true,
          aS1, nS1;
        aS1 = /reader_pane_view_style_(\d)/.exec(eR1.className);
        if (aS1 && aS1.length === 2) nS1 = aS1[1];
        if (!nS1) {
          evt.initKeyEvent('keydown', 1, 1, null, 0, 0, 0, 0, cha, 0);
          break;
        }
        if (!eC1) {
          eC1 = eA1[0];
          bC1 = false;
        }
        if (!eC1) return;
        var eN = (bC1) ? eC1.nextElementSibling : eC1;
        if (eN && !eN.classList.contains('ar')) {
          if (eC1 === eA1[eA1.length - 1] || eN.id === 'next_articles') eN = eC1;
          else {
            for (var in1 = 0, in2 = eA1.length, in3 = false; in1 < in2; in1++) {
              if (in3) {
                eN = eA1[in1];
                break;
              }
              if (in1 < in2 - 1 && eC1.id === eA1[in1].id) in3 = true;
            }
          }
        }
        if (!eN) return;
        if (code === key2.j) {
          if (eN.id) contentScriptInjection(`toggle_articleview("${eN.id.slice(eN.id.indexOf('_') + 1)}");`);
        } else {
          var nT1 = eN.offsetTop,
            nB1 = nT1 - eR1.scrollTop;
          if (nB1 - eR1.offsetHeight + eN.offsetHeight > 0) {
            if (nS1 !== '1') eN.scrollIntoView(false);
            else eN.scrollIntoView();
          } else if (nB1 < 0) {
            if (nS1 !== '1') eN.scrollIntoView();
            else eN.scrollIntoView(false);
          }
          if (bC1) {
            eC1.classList.remove('article_current');
            if (nS1 !== '1') eC1.classList.remove('article_current_collapsed');
          }
          eN.classList.add('article_current');
          if (nS1 !== '1') eN.classList.add('article_current_collapsed');
        }
        return;
      }
      evt.initKeyEvent('keydown', 1, 1, null, 0, 0, 0, 0, cha, 0);
      break;
    case key2.k:
    case key2.p:
      if (st.replacemovearticle) {
        var eA2 = document.getElementsByClassName('ar'),
          eC2 = document.getElementsByClassName('article_current')[0],
          eR2 = $id('reader_pane'),
          bC2 = true,
          aS2, nS2;
        aS2 = /reader_pane_view_style_(\d)/.exec(eR2.className);
        if (aS2 && aS2.length === 2) nS2 = aS2[1];
        if (!nS2) {
          evt.initKeyEvent('keydown', 1, 1, null, 0, 0, 0, 0, cha, 0);
          break;
        }
        if (!eC2) {
          eC2 = eA2[0];
          bC2 = false;
        }
        if (!eC2) return;
        var eP = (bC2) ? eC2.previousElementSibling : eC2;
        if (eP && !eP.classList.contains('ar')) {
          if (eC2 === eA2[0]) eP = eC2;
          else {
            for (var ip1 = eA2.length - 1, ip2 = false; ip1 > 0; ip1--) {
              if (ip2) {
                eP = eA2[ip1];
                break;
              }
              if (ip1 > 0 && eC2.id === eA2[ip1].id) ip2 = true;
            }
          }
        }
        if (!eP) return;
        if (code === key2.k) {
          if (eP.id) contentScriptInjection(`toggle_articleview("${eP.id.slice(eP.id.indexOf('_') + 1)}");`);
        } else {
          var nT2 = eP.offsetTop,
            nB2 = nT2 - eR2.scrollTop;
          if (nB2 - eR2.offsetHeight + eP.offsetHeight > 0) eP.scrollIntoView(false);
          else if (nB2 < 0) eP.scrollIntoView();
          if (bC2) {
            eC2.classList.remove('article_current');
            if (nS2 !== '1') eC2.classList.remove('article_current_collapsed');
          }
          eP.classList.add('article_current');
          if (nS2 !== '1') eP.classList.add('article_current_collapsed');
        }
        return;
      }
      evt.initKeyEvent('keydown', 1, 1, null, 0, 0, 0, 0, cha, 0);
      break;
    case key2.v:
      var el2 = document.evaluate(`${currentEntryXPath()}//a[starts-with(@id, "aurl_")]`, document, null, 9, null).singleNodeValue;
      if (el2 && el2.href && /^(https?|ftp):\/\/.+$/.test(el2.href)) GM_openInTab(el2.href);
      else {
        el2 = document.evaluate(`${currentEntryXPath()}//a[starts-with(@id, "article_title_link_")]`, document, null, 9, null).singleNodeValue;
        if (el2 && el2.href && /^(https?|ftp):\/\/.+$/.test(el2.href)) GM_openInTab(el2.href);
      }
      cha = '';
      return;
    case key2.space:
      if ($id('subscriptions_articles') && $id('subscriptions_articles').innerHTML === '') {
        cha = '';
        return;
      }
      if (eCe) {
        var bottom = ($id('three_way_contents') && $id('three_way_contents').style.display !== 'none' ? twc.height() : $id('article_dialog') ? ad.height() + 70 : rp.height()) - ($(eCe).position().top + $(eCe).height());
        if (bottom > 0) {
          evt.initKeyEvent('keydown', 1, 1, null, 0, 0, 0, 0, ' '.charCodeAt(), 0);
          break;
        }
      } else {
        evt.initKeyEvent('keydown', 1, 1, null, 0, 0, 0, 0, ' '.charCodeAt(), 0);
        break;
      }
      if (!anime) {
        anime = true;
        if ($id('three_way_contents') && $id('three_way_contents').style.display !== 'none') {
          twc.animate({
            scrollTop: (twc.height() + $id('three_way_contents').scrollTop - ((st.scrollmarginspace + 100 > twc.height()) ? twc.height() - 100 : st.scrollmarginspace))
          }, animeOption);
        } else if ($id('article_dialog')) {
          ad.animate({
            scrollTop: (ad.height() + $id('article_dialog').scrollTop - ((st.scrollmarginspace + 100 > ad.height()) ? ad.height() - 100 : st.scrollmarginspace))
          }, animeOption);
        } else {
          rp.animate({
            scrollTop: (rp.height() + $id('reader_pane').scrollTop - ((st.scrollmarginspace + 100 > rp.height()) ? rp.height() - 100 : st.scrollmarginspace))
          }, animeOption);
        }
      }
      cha = '';
      return;
    case key2.SPACE:
      if ($id('subscriptions_articles') && $id('subscriptions_articles').innerHTML === '') {
        cha = '';
        return;
      }
      if (document.evaluate('id("reader_pane")/div[@class="reader_pane_message"]', document, null, 9, null).singleNodeValue || document.evaluate('id("subscriptions_articles")/div[@class="no_unread"]', document, null, 9, null).singleNodeValue) {
        var eSel2 = document.evaluate('id("tree_pane")//span[contains(concat(" ", normalize-space(@class), " "), " selected ")]', document, null, 9, null).singleNodeValue;
        if (eSel2 && eSel2.id && eSel2.id !== 'link_all_items') {
          evt.initKeyEvent('keydown', 1, 1, null, 0, 0, 1, 0, 'K'.charCodeAt(), 0);
          break;
        }
      }
      if (eCe) {
        var top = $(eCe).position().top - ($id('three_way_contents') && $id('three_way_contents').style.display !== 'none' ? twc.position().top : $id('article_dialog') ? ad.position().top : rp.position().top);
        if (top >= 0) {
          evt.initKeyEvent('keydown', 1, 1, null, 0, 0, 1, 0, ' '.charCodeAt(), 0);
          break;
        }
      } else {
        evt.initKeyEvent('keydown', 1, 1, null, 0, 0, 1, 0, ' '.charCodeAt(), 0);
        break;
      }
      if (!anime) {
        anime = true;
        if ($id('three_way_contents') && $id('three_way_contents').style.display !== 'none') {
          twc.animate({
            scrollTop: ($id('three_way_contents').scrollTop - twc.height() + ((st.scrollmarginspace + 100 > twc.height()) ? twc.height() - 100 : st.scrollmarginspace))
          }, animeOption);
        } else if ($id('article_dialog')) {
          ad.animate({
            scrollTop: ($id('article_dialog').scrollTop - ad.height() + ((st.scrollmarginspace + 100 > ad.height()) ? ad.height() - 100 : st.scrollmarginspace))
          }, animeOption);
        } else {
          rp.animate({
            scrollTop: ($id('reader_pane').scrollTop - rp.height() + ((st.scrollmarginspace + 100 > rp.height()) ? rp.height() - 100 : st.scrollmarginspace))
          }, animeOption);
        }
      }
      cha = '';
      return;
    case key2.PageUp:
      if (!anime) {
        anime = true;
        if ($id('three_way_contents') && $id('three_way_contents').style.display !== 'none') {
          twc.animate({
            scrollTop: ($id('three_way_contents').scrollTop - twc.height() + ((st.scrollmarginpage + 100 > twc.height()) ? twc.height() - 100 : st.scrollmarginpage))
          }, animeOption);
        } else if ($id('article_dialog')) {
          ad.animate({
            scrollTop: ($id('article_dialog').scrollTop - ad.height() + ((st.scrollmarginpage + 100 > ad.height()) ? ad.height() - 100 : st.scrollmarginpage))
          }, animeOption);
        } else {
          rp.animate({
            scrollTop: ($id('reader_pane').scrollTop - rp.height() + ((st.scrollmarginpage + 100 > rp.height()) ? rp.height() - 100 : st.scrollmarginpage))
          }, animeOption);
        }
      }
      cha = '';
      return;
    case key2.PageDown:
      if (!anime) {
        anime = true;
        if ($id('three_way_contents') && $id('three_way_contents').style.display !== 'none') {
          twc.animate({
            scrollTop: (twc.height() + $id('three_way_contents').scrollTop - ((st.scrollmarginpage + 100 > twc.height()) ? twc.height() - 100 : st.scrollmarginpage))
          }, animeOption);
        } else if ($id('article_dialog')) {
          ad.animate({
            scrollTop: (ad.height() + $id('article_dialog').scrollTop - ((st.scrollmarginpage + 100 > ad.height()) ? ad.height() - 100 : st.scrollmarginpage))
          }, animeOption);
        } else {
          rp.animate({
            scrollTop: (rp.height() + $id('reader_pane').scrollTop - ((st.scrollmarginpage + 100 > rp.height()) ? rp.height() - 100 : st.scrollmarginpage))
          }, animeOption);
        }
      }
      cha = '';
      return;
    case key2.Home:
      if (!anime) {
        anime = true;
        if ($id('three_way_contents') && $id('three_way_contents').style.display !== 'none') {
          twc.animate({
            scrollTop: 0
          }, animeOption);
        } else if ($id('article_dialog')) {
          ad.animate({
            scrollTop: 0
          }, animeOption);
        } else {
          rp.animate({
            scrollTop: 0
          }, animeOption);
        }
      }
      cha = '';
      return;
    case key2.End:
      if (!anime) {
        anime = true;
        if ($id('three_way_contents') && $id('three_way_contents').style.display !== 'none') {
          twc.animate({
            scrollTop: ($id('three_way_contents').scrollHeight)
          }, animeOption);
        } else if ($id('article_dialog')) {
          ad.animate({
            scrollTop: ($id('article_dialog').scrollHeight)
          }, animeOption);
        } else {
          rp.animate({
            scrollTop: ($id('reader_pane').scrollHeight)
          }, animeOption);
        }
      }
      cha = '';
      return;
    case key2.Up:
      if (!anime) {
        anime = true;
        if ($id('three_way_contents') && $id('three_way_contents').style.display !== 'none') {
          twc.animate({
            scrollTop: ($id('three_way_contents').scrollTop - 42)
          }, animeOption);
        } else if ($id('article_dialog')) {
          ad.animate({
            scrollTop: ($id('article_dialog').scrollTop - 42)
          }, animeOption);
        } else {
          rp.animate({
            scrollTop: ($id('reader_pane').scrollTop - 42)
          }, animeOption);
        }
      }
      cha = '';
      return;
    case key2.Down:
      if (!anime) {
        anime = true;
        if ($id('three_way_contents') && $id('three_way_contents').style.display !== 'none') {
          twc.animate({
            scrollTop: ($id('three_way_contents').scrollTop + 42)
          }, animeOption);
        } else if ($id('article_dialog')) {
          ad.animate({
            scrollTop: ($id('article_dialog').scrollTop + 42)
          }, animeOption);
        } else {
          rp.animate({
            scrollTop: ($id('reader_pane').scrollTop + 42)
          }, animeOption);
        }
      }
      cha = '';
      return;
    case key2.$sortNewest:
      var eNew1 = $('#sb_rp_view_options_menu > .inno_toolbar_button_menu_item'),
        eNew2 = $('#sb_rp_section_options_menu > div'),
        n1;
      for (var i1 = 0, j1 = eNew2.length; i1 < j1; i1++) {
        if (/heading$/.test(eNew2[i1].className)) {
          n1 = i1;
          break;
        }
      }
      if (eNew1[9] && !eNew1[9].classList.contains('inno_toolbar_button_menu_item_disabled')) eNew1[9].click();
      else if (eNew2[n1 + 2]) eNew2[n1 + 2].click();
      cha = '';
      return;
    case key2.$sortOldest:
      var eOld1 = $('#sb_rp_view_options_menu > .inno_toolbar_button_menu_item'),
        eOld2 = $('#sb_rp_section_options_menu > div'),
        n2;
      for (var i2 = 0, j2 = eOld2.length; i2 < j2; i2++) {
        if (/heading$/.test(eOld2[i2].className)) {
          n2 = i2;
          break;
        }
      }
      if (eOld1[10] && !eOld1[10].classList.contains('inno_toolbar_button_menu_item_disabled')) eOld1[10].click();
      else if (eOld2[n2 + 3]) eOld2[n2 + 3].click();
      cha = '';
      return;
    case key2.$subscriptionsAll:
      $('#subscriptions_radio_all').click();
      cha = '';
      return;
    case key2.$subscriptionsUpdate:
      $('#subscriptions_radio_updated').click();
      cha = '';
      return;
    case key2.$subscriptionsDim:
      $('#subscriptions_radio_dim').click();
      cha = '';
      return;
    default:
      cha = '';
      return;
    }
    document.dispatchEvent(evt);
    switch (code) {
    case key2.q:
      var el5 = document.evaluate(currentEntryXPath(), document, null, 9, null).singleNodeValue,
        itemId = (el5 && el5.id) ? el5.id.slice(el5.id.lastIndexOf('_') + 1) : '';
      if (itemId && $id(`iframe_embed_${itemId}`)) {
        var att = [];
        if (st.iframesandbox) {
          if (st.iframesandboxform) att.push('allow-forms');
          if (st.iframesandboxscript) att.push('allow-scripts');
          $id(`iframe_embed_${itemId}`).setAttribute('sandbox', att.join(' '));
        }
      }
      return;
    case key2.ga:
    case key2.gc:
    case key2.gd:
    case key2.gf:
    case key2.gs:
    case key2.gt:
    case key2.gu:
    case key2.gw:
      evt.initKeyEvent('keydown', 1, 1, null, 0, 0, 0, 0, cha, 0);
      break;
    default:
      cha = '';
      return;
    }
    document.dispatchEvent(evt);
    cha = '';
  };

  var keyUp = function(e) {
    if (/^irkc_key/.test(e.target.id)) {
      e.target.value = e.target.value.trim();
      if (e.target.value.length === 2) {
        e.target.value = e.target.value.replace(/^[^!](.)$/, '$1');
        if (e.target.value === '!!') e.target.value = '!';
      }
      if (/[^0-9a-fh-zA-Z!%&]/.test(e.target.value)) e.target.value = null;
      else if (e.target.value === '!') e.target.style.backgroundColor = null;
      var el = document.evaluate('id("irkc_form")/div/span/label/input', document, null, 7, null),
        key3 = [],
        duplicate = false,
        check = function(a, b, c) {
          var i = 0;
          if (a.some(d => {
            if (d === b) i += 1;
            if (i > 1) return true;
          })) {
            c.style.backgroundColor = '#FFFF66';
            duplicate = true;
          } else c.style.backgroundColor = null;
        };
      for (let n = 0, l = el.snapshotLength, v; n < l; n++) {
        v = el.snapshotItem(n).value;
        if (/[0-9a-fh-zA-Z%&!]/.test(v) && v !== '!') key3.push(v);
      }
      for (let n = 0, l = el.snapshotLength, s, v; n < l; n++) {
        s = el.snapshotItem(n);
        v = s.value;
        if (/[^0-9a-fh-zA-Z%&!]/.test(v)) {
          s.style.backgroundColor = null;
          continue;
        }
        check(key3, v, s);
      }
      if (duplicate) $id('irkc_ok').setAttribute('disabled', '');
      else $id('irkc_ok').removeAttribute('disabled');
    } else if (cha2) {
      e.stopPropagation();
      cha2 = '';
    }
  };

  iInit = window.setInterval(() => {
    var tree = $id('tree');
    if (tree && tree.innerHTML) {
      window.clearInterval(iInit);
      window.setTimeout(() => init(), 1000);
    }
  }, 500);

})();