this.tooltipText = "Left    => все открытие вкладки в папку закладок\nMiddle => добавление вкладки в папку закладок\nRight   =>  удалить папку закладок\nCtrl+Right =>  контекстное меню ";
var bmsvc = Components. classes ["@mozilla.org/browser/nav-bookmarks-service;1"].
        getService (Components. interfaces. nsINavBookmarksService);

var folderName = "Новая папка";
var rootFolder = bmsvc. toolbarFolder;

this. onclick = function(event)
{
    var bmsvc = Components. classes ["@mozilla.org/browser/nav-bookmarks-service;1"].
            getService (Components. interfaces. nsINavBookmarksService);
    if (event. button == 0)
    { // Действие при клике ЛКМ
    function getTabsURIs ()
    {
        var tabList = [];
        var seenURIs = [];

        var browsers = getBrowser (). browsers;
        for (var i = 0; i < browsers.length; ++i)
        {
        var webNav = browsers [i]. webNavigation;
        var uri = webNav. currentURI;
        if (uri. spec in seenURIs)
            continue;
        seenURIs [uri. spec] = true;
        tabList. push (uri);
        }
        return tabList;
    }
    var f = getChildFolder (rootFolder, folderName);
    if (!f)
    {
        bmsvc. createFolder (rootFolder, folderName, bmsvc. DEFAULT_INDEX);
        f = getChildFolder (rootFolder, folderName);
    }
    var uris = getTabsURIs ();
    var ios = Components. classes ["@mozilla.org/network/io-service;1"].
          getService (Components. interfaces. nsIIOService);
    var uri;
    bmsvc. runInBatchMode
    (
        {
        runBatched: function (data)
        {
            for (var i = 0; i < uris. length; i++)
            bmsvc. insertBookmark (f, uris [i], bmsvc. DEFAULT_INDEX, "");
        }
            },
            null
    );
    }
    else if (event. button == 1)
    { // Действие при клике СКМ
    var f = getChildFolder (rootFolder, folderName);
    if (!f)
    {
        bmsvc. createFolder (rootFolder, folderName, bmsvc. DEFAULT_INDEX);
        f = getChildFolder (rootFolder, folderName);
    }
    var sebp = StarUI. showEditBookmarkPopup;
    StarUI. showEditBookmarkPopup = function () {};
    PlacesCommandHook. bookmarkCurrentPage (false, f);
    StarUI. showEditBookmarkPopup = sebp;
    }
    else if (event. button == 2 && !event. ctrlKey && !event. shiftKey && !event. altKey && !event. metaKey)
    { // Действие при клике ПКМ без модификаторов
    var bmsvc = Components. classes ["@mozilla.org/browser/nav-bookmarks-service;1"].
            getService (Components. interfaces. nsINavBookmarksService);
    var f = getChildFolder (rootFolder, folderName);
    if (f)
        bmsvc. removeItem (f);
    }
};

this. oncontextmenu = function (event)
{
    if(event.button == 2 && !event.ctrlKey && !event.shiftKey && !event.altKey && !event.metaKey)
    { // Блокируем контекстное меню при клике ПКМ без модификаторов
    event.preventDefault();
        event.stopPropagation();
    }
};

function getChildFolder (parentId, title)
{
    var res = null;
    try
    {
        var hs = Cc ["@mozilla.org/browser/nav-history-service;1"].
             getService (Ci. nsINavHistoryService);
        var options = hs. getNewQueryOptions ();
        options. excludeItems = true;
        var query = hs. getNewQuery ();
        query. setFolders ([parentId], 1);
        var result = hs. executeQuery (query, options);
        var rn = result. root;
        rn. containerOpen = true;
        var i, node;
        for (i = 0; i < rn. childCount; i++)
        {
            var node = rn. getChild (i);
            if (node. title == title)
            {
                res = node. itemId;
                break;
            }
        }
        rn. containerOpen = false;
    } catch (e) {}
    return res;
}