
        if (typeof memory === 'undefined') return;
        if (typeof memory[indexGroup] === 'undefined') return;
        if (memory[indexGroup] === null) return;
        if (typeof memory[indexGroup][indexItem] === 'undefined') return;
        if (memory[indexGroup][indexItem] === null) return;
        if (memory[indexGroup][indexItem] !== true) return;
        return true;
    };

    fn.setMemory = function () {
        try {
            if (localStorage.getItem('tabbis') === null) return;
 