ata = options;
        fn.setDefaults();
        fn.setMemory();

        groups['tab'] = document.querySelectorAll(data.tabGroup);
        groups['pane'] = document.querySelectorAll(data.paneGroup);

        for (var groupIndex = 0; groupIndex < groups['tab'].length; groupIndex++) {
            var tabItems = groups['tab'][groupIndex].children;

            for (var itemIndex = 0; itemIndex < tabItems.length; itemIndex++) {
                tabItems[itemIndex].addEventListener('click', fn.onClick