
    if (isEditArticle()) {
        setEditMode(EditMode.emContainer);
        show(elContainer);
        hide(elWriter);
        removeClass(elEditor, 'r-middle');
        removeClass(elEditor, 'r-zero');
        removeClass(elPreviewer, 'l-middle');
        removeClass(elPreviewer, 'l-zero');
        addClass(elEditor, 'r-middle');
        addClass(elPreviewer, 'l-middle');
    }
    if (isEditGnav()) {
        setEditMode(EditMode.emContainer);
        show(elContainer); 
        hide(elGnav);
        re