/*
    Carousel
    */
    $('#carousel-example').on('slide.bs.carousel', function (e) {
    /*
        CC 2.0 License Iatek LLC 2018 - Attribution required
        */
        var $e = $(e.relatedTarget);
        var idx = $e.index();
        var itemsPerSlide = 4;
        var totalItems = $('.carousel-item').length;

        if (idx >= totalItems-(itemsPerSlide-1)) {
            var it = itemsPerSlide - (totalItems - idx);
            for (var i=0; i<it; i++) {
            // append slides to end
            if (e.direction=="left") {
                $('.carousel-item').eq(i).appendTo('.carousel-inner');
            }
            else {
                $('.carousel-item').eq(0).appendTo('.carousel-inner');
            }
        }
    }
});