Pagination

Pagination.js

            // page: the currently selected page (1 <= page <= pageCount)
            // pageCount: the total number of pages (1 <= pageCount)
            // pagesToDisplay: the number of pages displayed at a time (1 <= pagesToDisplay)
            function paginate(page, pageCount, pagesToDisplay) {
                var buffer = Math.floor(pagesToDisplay / 2);
                return { 
                    start: Math.max(1, Math.min(page - buffer, pageCount - pagesToDisplay)), 
                    stop: Math.min(pageCount, Math.max(page + buffer, pagesToDisplay))
                    };
            }