/**
     * Workaround for caret disappearing in Firefox when you click HTML Editor
     * then Visual Mode.
     *
     * @see BAZ-24017
     */
    _.fixDisappearingCaretInFirefox = function (editor) {
        if (x$.browser.mozilla) {
            editor.onPostRender.add(function(editor, controlManager) {
                setTimeout(function () {
                    // Focusing away then back seems to fix it. [Jon Aquino 2010-09-22]
                    var firstButton = x$('a.mceButton:first', editor.getContainer())
                    firstButton.focus();
                    editor.focus();
                }, 0);
            });
        }
    };