({
    style: `
        tab.tabbrowser-tab[inbookmarks] .tab-text.tab-label {
            text-decoration: underline !important;
            /*background-color: yellow !important;*/
        }
    `,
    addProcessingInstruction(add) {
        if (add) this.pi = document.insertBefore(
            document.createProcessingInstruction(
                "xml-stylesheet",
                `type="text/css" href="data:text/css,${
                    encodeURIComponent(this.style.trim())
                }"`
            ), document.firstChild);
        else
            this.pi.remove();
    }, 
    init() {
        this.addProcessingInstruction(true);
        this.setAttributeForAllTabs(true);
        gBrowser.addTabsProgressListener(this);
        PlacesUtils.bookmarks.addObserver(this);
        addDestructor(this.destroy, this);
    },
    destroy() {
        this.addProcessingInstruction(false);
        this.setAttributeForAllTabs(false);
        gBrowser.removeTabsProgressListener(this);
        PlacesUtils.bookmarks.removeObserver(this);
    },
    async isBookmarked(url) {
        try {return Boolean(await PlacesUtils.bookmarks.fetch({url}));}
        catch(ex) {return false;}
    },
    onItemAdded(id, parent, ind, type, uri) {this.onItem(type, uri)},
    onItemRemoved(id, parent, ind, type, uri) {this.onItem(type, uri)},
    onItemChanged(id, property, isAnno, value, lm, type) {
        property == "uri" && this.onItem(type);
    },
    onItem(type, uri) {
        type == Ci.nsINavBookmarksService.TYPE_BOOKMARK
        && this.setAttributeForAllTabs(true, uri);
    },
    async onLocationChange(browser, wp, req, uri) {
        var tab = gBrowser.getTabForBrowser(browser);
        this.setAttributeForTab(tab, await this.isBookmarked(uri.spec));
    },
    async setAttributeForAllTabs(set, uri) {
        for (var tab of [...gBrowser.tabs]) {
            var curr = tab.linkedBrowser.currentURI;
            if (uri && !uri.equals(curr))
                continue;
            var state = set && await this.isBookmarked(curr.spec);
            this.setAttributeForTab(tab, state);
        }
    },
    setAttributeForTab(tab, set) {
        set ? tab.setAttribute("inbookmarks", true) : tab.removeAttribute("inbookmarks");
    }
}).init();

// Показывать количество открытых табов в адресной строке
(()=> {  
   // Создать в адресной строке счётчик вкладок ....
   var tabCounter = document.createElement("statusbarpanel");
   tabCounter.setAttribute("id", "tabCounter");
   tabCounter.setAttribute("context", "event.stopPropagation()");
   tabCounter.setAttribute("tooltiptext", "Количество открытых вкладок"); 
   var urlbarIcons = document.getElementById("urlbar-icons") || document.getElementById("page-action-buttons"); // FF57
   urlbarIcons.insertBefore(tabCounter, urlbarIcons.lastChild);
   addDestructor(()=> tabCounter.remove() );


   // Css стиль для счётчика ....
   var uri = makeURI('data:text/css,'+ encodeURIComponent('\
      #tabCounter { -moz-appearance: none !important; font-family: Segoe UI !important; font-size: 12px !important; min-width: 32px !important; min-height: 24px !important; max-height: 24px !important; text-align: center !important; color: #000000 !important; background-color: #DBEAF9 !important; border-top: #DBEAF9 2px solid !important; border-right: 0 !important; border-bottom: #DBEAF9 2px solid !important; border-left: #B5C2D0 1px solid !important; margin-right: 0px !important; }\
   '));
   var sss = Cc["@mozilla.org/content/style-sheet-service;1"].getService(Ci.nsIStyleSheetService);
   sss.loadAndRegisterSheet(uri, 0);
   addDestructor(()=> sss.unregisterSheet(uri, 0) ); 
   
   
   // Считать и показывать количество вкладок ....
   function count() {
     try { window.clearTimeout(count.timeout) } catch(e) {};
     count.timeout = window.setTimeout(()=> {
        tabCounter.label = gBrowser.tabs.length;
     }, 350);
   };
   count();


   // Отслеживать открытие, закрытие вкладок ....
   var tabs = gBrowser.tabContainer;
   addEventListener("TabOpen", count, false, tabs);
   addEventListener("TabClose", count, false, tabs);
})();

(obj => {
    this.onclick = obj.click.bind(obj);
    this.oncontextmenu = obj.contextmenu.bind(obj);
    this.tooltipText = "L: Reload userChrome.css\nM: CB Menu\nR: Reload userContent.css";
})({
    click(e) {
        if (e.button == 1) return gShowPopup(self);
        if (e.button || !this.chromeSheet) return;
        this.reload(this.chromeSheet);
        this.restyle(0);
    },
    async contextmenu(e) {
        if (e.ctrlKey || e.shiftKey || e.detail != 1 || !this.contentSheetURL) return;
        e.preventDefault();

        var count = Services.ppmm.childCount, one = count == 1;
        var data = await this.reloadTab("about:config", one ? false : {});
        if (one) this.reloadTab();
        else if (data) {
            var url = "data:," + encodeURIComponent(
                self.Help + this.contentSheetURL + '", ' + JSON.stringify(data) + ");"
            );
            var types = ["web", "file", "extension"];
            for(var ind = 0; ind < count; ind++) {
                var child = Services.ppmm.getChildAt(ind);
                types.includes(child.remoteType) && child.loadProcessScript(url, false);
            }
        }
        this.restyle(250);
    },
    reload(sheet, obj) {
        var style = Cu.readURI(Services.io.newURI(sheet.href));
        this.inIDOMUtils.parseStyleSheet(sheet, style);
        if (obj) obj[sheet.href] = style;
        for(var ind = 0, len = sheet.cssRules.length; ind < len; ind++) {
            var rule = sheet.cssRules.item(ind);

            rule.type == rule.IMPORT_RULE
            && rule.styleSheet.href.startsWith("file:///")
            && this.reload(rule.styleSheet, obj);
        }
        return obj;
    },
    reloadTab(url, obj) {
        var tab = gBrowser.addTab(url);
        return new Promise(resolve => {
            var result, stop, destroy = () => {
                if (!stop) resolve(result), gBrowser.removeTab(tab), stop = true;
            }
            setTimeout(destroy, 500);
            try {
                gBrowser.hideTab(tab);
                tab.linkedBrowser.addEventListener("DOMContentLoaded", e => {
                    var sheet = this.getSheet(e.target, this.contentSheetURL);
                    if (sheet) result = this.reload(sheet, obj);
                    destroy();
                }, {once: true});
            } catch(ex) {
                destroy();
            }
        });
    },
    getSheet(doc, href) {
        var sheets = this.inIDOMUtils.getAllStyleSheets(doc);
        return sheets.find(sheet => sheet.href == href);
    },
    get contentSheetURL() {
        var file = Services.dirsvc.get("UChrm", Ci.nsIFile);
        file.append("userContent.css");
        if (!file.exists()) return null;
        delete this.contentSheetURL;
        return this.contentSheetURL = Services.io.newFileURI(file).spec;
    },
    get inIDOMUtils() {
        delete this.inIDOMUtils;
        return this.inIDOMUtils = Cc["@mozilla.org/inspector/dom-utils;1"].getService(Ci.inIDOMUtils);
    },
    get restyle() {
        var sss = Cc["@mozilla.org/content/style-sheet-service;1"].getService(Ci.nsIStyleSheetService);
        var uri = Services.io.newURI("data:text/css,:root{}"), type = sss.USER_SHEET;
        delete this.restyle; return this.restyle = delay => setTimeout(() => {
            sss.loadAndRegisterSheet(uri, type);
            sss.unregisterSheet(uri, type);
        }, delay);
    },
    get chromeSheet() {
        var file = Services.dirsvc.get("UChrm", Ci.nsIFile);
        file.append("userChrome.css");
        if (!file.exists()) return null;

        var href = Services.io.newFileURI(file).spec;
        var sheet = this.getSheet(document, href);
        if (!sheet) return null;

        delete this.chromeSheet; return this.chromeSheet = sheet;
    }
});

// Translate от 27.02.2017. ...............

// Настройка функций кликов мыши для кнопки ...............
this.onclick =e=> {
   if ( e.button == 0 ) {         
        var sel = getSelect();
        sel ? translateText(sel) : translatePage();    
        }
                    
   if ( e.button == 1 )
        translateText(gClipboard.read(), true);
          
   if ( e.button == 2 && !e.ctrlKey && !e.shiftKey && !e.altKey && !e.metaKey ) { 
        e.preventDefault();  
        menu.showPopup(self, -1, -1, "popup", "bottomleft", "topleft");
        } 
};
this.oncontextmenu =e=> { e.button && !e.ctrlKey && e.preventDefault() };


var background = 'white', fontSize = 'medium'; // фон и размер шрифта окошка перевода
var winWidth = 0.4, winHeight = 0.4;          // ширина и высота окошка перевода относительно размера страницы


// Создать меню ...............
var array = [    
    { label: "Перевод текста в маленьком окошке", checkbox: '', value: 'Translate.textInPopup' },
    { label: "Перевод текста в двойным правым кликом", checkbox: '', value: 'Translate.textWithDoubleRightClick' },              
    { label: "Перевод страницы в новой вкладке сразу справа", checkbox: '', value: 'Translate.nextPage' },
    { label: "Перевод выделенного текста из контекстного меню", checkbox: '', value: 'Translate.textFromContextMenu' },              
    { separator: ''},
    { label: "Удалять подсказки в переводчиках", checkbox: '', value: 'Translate.noTooltipForTranslate', func: '' },
    { label: "Удалять панель управления в переводчике Googlе", checkbox: '', value: 'Translate.removeGoogleTranslatorHeader', func: '' },
    { separator: ''},
    { label: "Перевод страницы в обычном переводчике Google", radio: '', value: 'google' },    
    { label: "Перевод страницы с заменой текста в переводчике Google", radio: '', value: 'googleBookmarklet' }
            ];
var menu = self.appendChild( document.createElement("menupopup") );  
array.forEach((m)=> {
   if ( "separator" in m ) { menu.appendChild( document.createElement("menuseparator") ); return };
   var mItem = document.createElement("menuitem");
   mItem.setAttribute("label", m.label);
   
   if ( "radio" in m ) { 
        mItem.setAttribute("type", "radio");
        mItem.setAttribute('checked', cbu.getPrefs("Translate.pageIn") == m.value );
        mItem.onclick =()=> cbu.setPrefs("Translate.pageIn", m.value);  
        }  
   if ( "checkbox" in m ) {          
        mItem.setAttribute('type', 'checkbox');
        mItem.setAttribute('checked', cbu.getPrefs(m.value) );
        mItem.onclick =()=> cbu.setPrefs(m.value, !cbu.getPrefs(m.value));  
        }
   if ( "func" in m ) mItem.addEventListener("command", ()=> toggleGoogleTranslatorStyle());
       
   menu.appendChild(mItem);
});
menu.setAttribute("onclick", "event.stopPropagation()");


// Получить выделенный текст из страницы или false ...............
function getSelect() {
   var sel = gBrowser.contentDocument.defaultView.getSelection();
   return (sel == '') ? false : sel.toString();
};


// Удалить панель управления в переводчике Googlе и подсказки в переводчиках ...............
function toggleGoogleTranslatorStyle(arg) {
   var sss = Cc["@mozilla.org/content/style-sheet-service;1"].getService(Ci.nsIStyleSheetService);
   try { sss.unregisterSheet( self.uri, 0) } catch(e) {};
   
   if ( cbu.getPrefs("Translate.removeGoogleTranslatorHeader") ) {  // панель управления
        var removeHeader = '\
            @-moz-document domain("translate.google.com") {\
               #gb, #gt-bbar, #gt-c:not([class="g-section"]) { display: none !important; }\
               #contentframe { top: 0 !important; }\
            }';           
        }
   
   if ( cbu.getPrefs("Translate.noTooltipForTranslate") ) {  // подсказки в переводчиках
        var noPopup = '\
            /*Microsoft*/\
            DIV[translate="no"] { display: none !important; }\
            *[lang="ru"] {\
            color: black !important;\
            background-color: transparent !important;\
            }\
            /*Google*/\
            @-moz-document domain("translate.google.com") {\
               .jfk-tooltip { display: none !important; }\
            }\
            @-moz-document regexp("^https?://translate\.google\..*") {/**/}\
            @-moz-document domain("translate.googleusercontent.com") {\
              span[onmouseout][onmouseover][style] { background-color: transparent !important; }\
              .gmnoprint { display: none !important; }\
            }\
            .goog-text-highlight {\
            background-color: transparent !important;\
            border: none !important;\
            box-shadow: none !important;\
            }\
            .goog-tooltip.skiptranslate { display: none !important; }\
            ';
        }   
   self.css = removeHeader + noPopup;

   if ( !!self.css ) {
        self.uri = makeURI("data:text/css," + encodeURIComponent(self.css));
        sss.loadAndRegisterSheet(self.uri, 0);
        }
        
   arg && addDestructor(()=> sss.unregisterSheet(self.uri, 0) );  
};
toggleGoogleTranslatorStyle(true); 


// Перевод страницы ...............   
function translatePage() {
   var translator = cbu.getPrefs("Translate.pageIn");
   
   // перевод страницы в обычном переводчике Google в новой активной вкладке или текущей вкладке
   if ( translator == "google" ) {
        var url = "http://translate.google.com/translate?u=" + content.location + "&hl=ru&ie=UTF-8&sl=auto&tl=ru";
        cbu.getPrefs("Translate.nextPage")
        ? gBrowser.moveTabTo(gBrowser.selectedTab = gBrowser.addTab(url), gBrowser.mCurrentTab._tPos + 1)
        : loadURI(url);
        return;
        } 

   // перевод страницы с заменой текста на странице в переводчике Microsoft или Google 
   if ( cbu.getPrefs("Translate.nextPage") ) {
        gBrowser.getBrowserForTab(gBrowser.selectedTab = gBrowser.duplicateTab(gBrowser.mCurrentTab))
           .addEventListener("pageshow", function c(e) {
               this.removeEventListener(e.type, c);
               runBukmarklet();
           });              
        }    
   else runBukmarklet();
   
   // запустить букмарклет для перевода
   function runBukmarklet() {
      cbu.setPrefs("security.mixed_content.block_active_content", false);
      
      content.document.location = "javascript:{var d=document; var b=d.body; var o=d.createElement('script');o.setAttribute('src','http://translate.google.com/translate_a/element.js?cb=googleTranslateElementInit&hl=ru');o.setAttribute('type','text/javascript');b.appendChild(o); var v=b.insertBefore(d.createElement('div'),b.firstChild);v.id='google_translate_element';v.style.display='none'; var p=d.createElement('scri'+'pt');p.text='function%20googleTranslateElementInit(){var%20tElem%20=%20new%20google.translate.TranslateElement({pageLanguage:%22%22},%22google_translate_element%22);setTimeout(function()%20{%20tElem.showBanner(true);%20},100);}';p.setAttribute('type','text/javascript');b.appendChild(p);}void%200";
   } 
};


// Обработчик следит за двойным правым кликом мыши на странице и запускает перевод выделенного текста ...............
addEventListener("dblclick", e=> {
   if ( e.button && cbu.getPrefs("Translate.textWithDoubleRightClick") ) {
        e.preventDefault();
        document.getElementById("contentAreaContextMenu").hidePopup();

        translateText(getSelect());
        }
}, false, gBrowser);


// Перевод выделенного текста из контекстного меню ...............   
var contextMenu = document.getElementById("contentAreaContextMenu");
var mItem = contextMenu.insertBefore(document.createElement("menuitem"), contextMenu.children[1]);
mItem.setAttribute("label", "Перевод выделенного текста");
mItem.setAttribute("class", "menuitem-iconic");
mItem.setAttribute("image", "data:image/x-icon;base64,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"); 
mItem.onclick =()=> translateText(getSelect());
addEventListener("popupshowing", ()=> {
   mItem.hidden = !cbu.getPrefs("Translate.textFromContextMenu") || !gContextMenu.isTextSelected; 
}, false, contextMenu);
addDestructor(()=> mItem.remove());


// Перевести текст в Google переводчике в новой вкладке сразу справа или в маленьком окошке ...............
function translateText(text, clipboard) {
   if ( text == false ) return;

   // перевод в Google переводчике текста
   if ( !cbu.getPrefs("Translate.textInPopup") ) {
        var url = "http://translate.google.com/translate_t?hl=ru#auto|ru|" + text;
        gBrowser.moveTabTo(gBrowser.selectedTab = gBrowser.addTab(url), gBrowser.mCurrentTab._tPos + 1);
        return;
        };

   var beg = "http://translate.google.com/translate_t?prev=hp&hl=ru&js=y&text=";
   var end = "&file=&sl=auto&tl=ru&history_state0=#";
   var url = beg + text + end;
    
   var req = new XMLHttpRequest();
   req.open("GET", url, true);
   
   req.onload =()=> {
       var res = req.responseText;
       var suHTML = Cc["@mozilla.org/feed-unescapehtml;1"].getService(Ci.nsIScriptableUnescapeHTML);
       var doc = document.implementation.createHTMLDocument("");
       doc.body.appendChild(suHTML.parseFragment(res, false, null, doc.body));

       var ruHTML = doc.getElementById("result_box").innerHTML;
       var dataURL = 'data:text/html;charset=utf-8, <html contenteditable/><title>Translate</title>'
       dataURL += '<style>body { background-color: '+ background +'; font-size: '+ fontSize +' }</style>';
       dataURL += ruHTML + '</body></html>';
       
       var width = (0) || winWidth * gBrowser.boxObject.width; 
       var height = (0) || winHeight * gBrowser.boxObject.height;

       // получить координаты кнопки или выделенного текста
       if ( clipboard && cbu.getPrefs("Translate.textInPopup") ) {
            var bcr = self.getBoundingClientRect();
            var posX = bcr.left;
            var posY = bcr.bottom + 5;
            }
       else
            {
            var bcr = gBrowser.contentDocument.defaultView.getSelection().getRangeAt(0).getBoundingClientRect();
            var posX = window.content.mozInnerScreenX + bcr.left;
            var posY = window.content.mozInnerScreenY + bcr.bottom + 5;
            }
       
       var deltaX = posX + width - (fullScreen ? screen.width : screen.availWidth);
       if (deltaX > 0) posX -= deltaX;
       var deltaY = posY + height - (fullScreen ? screen.height : screen.availHeight);
       if (deltaY > 0) posY -= deltaY;     

       var win = window.openDialog(dataURL, "", "outerWidth="+width+", outerHeight="+height+", screenX="+posX+", screenY="+posY+", status=no, scrollbars=yes, resizable=yes");
       win.focus();

       // закрывать окошко перевода кликом на странице                 
       gBrowser.addEventListener("click", function c() {
          this.removeEventListener("click", c);
          win && win.close();                                    
       });
   };
   req.channel.loadFlags |= req.channel.LOAD_FROM_CACHE;
   req.send(null)
};


// Подсказка у кнопки ...............
this.tooltipText = "Translate \nЛ: Перевести страницу / выделенный текст \nС: Перевести текст из буфера обмена \nП: Меню \nДП: CB меню";

/*Initialization Code*/
//-------------------- Экспорт в HTML файл в контекстном меню закладок
//Источник - https://github.com/ardiman/userChrome.js/blob/master/exporthtmlfolder/ExportHTMLFolder.uc.xul
 (function () { 

 function ImageConverter(imageURL) {
       this.imageURL = imageURL;
       this.channel = Services.io.newChannel(imageURL, null, null);
       this.channel.asyncOpen(this, null);
}
 ImageConverter.prototype = {
       imageURL : "",
       channel : null,
       bytes : [],
       stream : null,
       Database64 : null,
       iscompleted : false,
       QueryInterface : function (iid) {
              if (!iid.equals(Components.interfaces.nsISupports) &&
                  !iid.equals(Components.interfaces.nsIRequestObserver) &&
                  !iid.equals(Components.interfaces.nsIStreamListener)) {
                  throw Components.results.NS_ERROR_NO_INTERFACE;
               }
               return this;
        },

        onStartRequest : function (aRequest, aContext) {
             this.stream = Components.classes["@mozilla.org/binaryinputstream;1"].createInstance(Components.interfaces.nsIBinaryInputStream);
             this.iscompleted = false;
         },

       onStopRequest : function (aRequest, aContext, aStatusCode) {
             this.Database64 = 'data:' + this.channel.contentType + ';base64,' + btoa(String.fromCharCode.apply(null, this.bytes));
             this.iscompleted = true;
         },

             onDataAvailable : function (aRequest, aContext, aInputStream, aOffset, aCount) {
             this.stream.setInputStream(aInputStream);
             var chunk = this.stream.readByteArray(aCount);
             this.bytes = this.bytes.concat(chunk);
          }
};
 var ExportHTMLFolder = {
      
        escapeHTML: function(str) {
             return str.replace(/[&"<>]/g, function (m) ({ "&": "&amp;", '"': "&quot", "<": "&lt;", ">": "&gt;" })[m]);
          },
          
        onMenuItemCommand: function(event) {
             var bookmarkService = Cc["@mozilla.org/browser/nav-bookmarks-service;1"].getService(Ci.nsINavBookmarksService);
             var historyService = Cc["@mozilla.org/browser/nav-history-service;1"].getService(Ci.nsINavHistoryService);
             var fp = Cc["@mozilla.org/filepicker;1"].createInstance(Ci.nsIFilePicker);
             var MPMenu = PlacesUtils.getString("BookmarksMenuFolderTitle");
             var NodeID = document.popupNode._placesNode || document.popupNode.parentNode.selectedNode;
             fp.init(window, PlacesUIUtils.getString("EnterExport"),Ci.nsIFilePicker.modeSave);
             fp.appendFilters(Ci.nsIFilePicker.filterHTML);
             fp.defaultString = NodeID.title+".html";

             fp.open(res => {
                   if (res == fp.returnCancel || !fp.file) return;
                   var file = fp.file;
                   var foStream = Components.classes["@mozilla.org/network/file-output-stream;1"]
                                 .createInstance(Components.interfaces.nsIFileOutputStream);
                   var charset = "UTF-8";
                   foStream.init(file, 0x02 | 0x08 | 0x20, 0664, 0);
                   var os = Components.classes["@mozilla.org/intl/converter-output-stream;1"]
                                   .createInstance(Components.interfaces.nsIConverterOutputStream);
                   os.init(foStream, charset, 0, 0x0000);
                   var nbTab = 5;
                   var data = '<!DOCTYPE NETSCAPE-Bookmark-file-1>\n';
                       data = data + '<!-- This is an automatically generated file.\n';
                       data = data + '\tIt will be read and overwritten.\n';
                       data = data + '\tDO NOT EDIT! -->\n';
                       data = data + '<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8">\n';
                       data = data + '<TITLE>Bookmarks</TITLE>\n';
                       data = data + '<H1>'+ExportHTMLFolder.escapeHTML(MPMenu)+'</H1>\n';
                       data = data + '\n';
                       data = data + '<DL><p>\n';
                   os.writeString(data);
                   var options = historyService.getNewQueryOptions();
                   var query = historyService.getNewQuery();
                   if( NodeID.type != 0 )
                      {
                        query.setFolders([NodeID.itemId], 1);
                        var result = historyService.executeQuery(query, options);
                        node = result.root;
                       }
                   else
                       {
                        query.setFolders([NodeID.parent.itemId], 1);
                        var result = historyService.executeQuery(query, options);
                        var rootNode = result.root;
                        rootNode.containerOpen = true;
                        inc = 0;
                        var node = rootNode.getChild(inc);
                        while(( inc < rootNode.childCount )&&( node.itemId != NodeID.itemId )) {
                            inc++;
                            var node = rootNode.getChild(inc);
                              }
                        rootNode.containerOpen = false;
                         }
                        this.ecrireUnMP( os, node, nbTab );
                        data = '</DL></p>\n';
                        os.writeString(data);
                        os.close();
                 });
          },
          
          ecrireUnMP: function( flux, elem, nbTab ) {
             var resultTypes = Ci.nsINavHistoryResultNode;
             if( elem.type == resultTypes.RESULT_TYPE_SEPARATOR ) {
                 var chaine = new Array(nbTab).join(' ') + "<HR>\n";
                 flux.writeString(chaine);
             }
             else if( elem.type == resultTypes.RESULT_TYPE_URI ) {
                 var Description= PlacesUIUtils.getItemDescription(elem.itemId);
                 var chaine = new Array(nbTab).join(' ') + '<DT><A HREF="' + this.escapeHTML(elem.uri);
                 if ( elem.icon.indexOf('moz-anno:favicon:http') >= 0 )
                 {
                       if ( elem.icon.indexOf('http://www.mozilla.org/2005/made-up-favicon/') < 0 ){
                                  chaine = chaine + '" ICON_URI="' + elem.icon.slice(elem.icon.indexOf('moz-anno:favicon:http') + 'moz-anno:favicon:'.length);
                        }
                       var Image = new ImageConverter( elem.icon.slice(elem.icon.indexOf('moz-anno:favicon:http')) );
                       var thread = Cc['@mozilla.org/thread-manager;1'].getService().mainThread;
                       while ( !Image.iscompleted ) {
                       thread.processNextEvent(true);
                       }
                        chaine = chaine + '" ICON="' + Image.Database64;
                  }
                  else if ( elem.icon.indexOf('moz-anno:favicon:data:image') >= 0 )
                        {
                        chaine = chaine + '" ICON="' +elem.icon.slice(elem.icon.indexOf('data:image'));
                        }
                        var chaine = chaine + '">' + this.escapeHTML(elem.title) + '</A>\n' + new Array(nbTab).join(' ') + '<DD>' + this.escapeHTML(Description) + '\n';
                        flux.writeString(chaine);
                         }
                  else if(( elem.type == resultTypes.RESULT_TYPE_FOLDER )||( elem.type == resultTypes.RESULT_TYPE_FOLDER_SHORTCUT )) {
                        var bookmarkService = Cc["@mozilla.org/browser/nav-bookmarks-service;1"].getService(Ci.nsINavBookmarksService);
                        var historyService = Cc["@mozilla.org/browser/nav-history-service;1"].getService(Ci.nsINavHistoryService);
                        var Description= PlacesUIUtils.getItemDescription(elem.itemId);
                        this.escapeHTML(elem.title) + '</H3>\n';
                        var chaine = new Array(nbTab).join(' ') + '<DT><H3>' + this.escapeHTML(elem.title) + '</H3>\n';
                        var chaine = chaine + new Array(nbTab).join(' ') + '<DD>' + this.escapeHTML(Description) + '\n';
                        chaine = chaine + new Array(nbTab).join(' ') + '<DL><p>\n';
                        flux.writeString(chaine);
                        nbTab = nbTab + 4;
                        var options = historyService.getNewQueryOptions();
                        var query = historyService.getNewQuery();
                        query.setFolders([elem.itemId], 1);
                        var result = historyService.executeQuery(query, options);
                        var rootNode = result.root;
                        rootNode.containerOpen = true;
                        for (var inc = 0; inc < rootNode.childCount; inc ++) {
                              var node = rootNode.getChild(inc);
                              this.ecrireUnMP( flux, node, nbTab );
                         }
                         rootNode.containerOpen = false;
                         nbTab = nbTab - 4;
                         chaine = new Array(nbTab).join(' ') + '</DL></p>\n';
                         flux.writeString(chaine);
                   }
          },

          init: function()
           {
              var contextMenu = document.getElementById("placesContext");
              if (contextMenu) contextMenu.addEventListener("popupshowing", this.ExportHTMLFolderShowHideItem, false);
           },
          ExportHTMLFolderShowHideItem: function(event)
            {
              var show = document.getElementById("placesContext_ExportHTMLFolder");
              show.hidden = (document.popupNode.localName == "menuseparator")||( document.popupNode.className == "openintabs-menuitem");
              document.getElementById("placesContext_ExportHTMLFolderSep").hidden = show.hidden;
            },
};

       window.addEventListener("load", function load(event) {
       window.removeEventListener("load", load, false); //remove listener, no longer needed
       ExportHTMLFolder.init();
}, false);


  if ( document.getElementById("placesContext_ExportHTMLFolder") ) return; 

   
    var contextMenu = document.getElementById("placesContext");
    var copyBothMenuItem = document.createElement("menuitem"); 
    copyBothMenuItem.id = "placesContext_ExportHTMLFolder";
    copyBothMenuItem.setAttribute("label", "Экспорт в HTML");
    copyBothMenuItem.setAttribute("selection", "any");
    copyBothMenuItem.setAttribute("closemenu", "single");
    copyBothMenuItem.addEventListener("command", function () { ExportHTMLFolder.onMenuItemCommand(event); });
    contextMenu.insertBefore(copyBothMenuItem, document.getElementById("placesContext_newSeparator") );
    var SMenuItem = document.createElement("menuseparator"); 
    SMenuItem.id = "placesContext_ExportHTMLFolderSep";
    contextMenu.insertBefore(SMenuItem, document.getElementById("placesContext_ExportHTMLFolder") );
})();