tinymce.PluginManager.add('arkbquote', function (editor, url) {
    editor.addButton('arkbquote', {
        onclick: function () {
				editor.selection.setContent('<blockquote>' + editor.selection.getContent() + '</blockquote><br>');
         },
        tooltip: 'Супер Цитата',
        image: url + '/img/cite-16.png'
    })
});