$('.gallerybbs>tbody').addClass('swiper-container');
$('.gallerybbs>tbody>tr').addClass('swiper-wrapper');
$('.gallerybbs>tbody>tr>td').addClass('swiper-slide');

var swiper = new Swiper('.swiper-container', {
    slidesPerView: 4,
    spaceBetween: 20,
    slidesPerGroup: 1,
    loop: true,
    autoplay: true,
    loopFillGroupWithBlank: true,
    navigation: {
        nextEl: '.swiper-button-next',
        prevEl: '.swiper-button-prev',
    },
    breakpoints: {
        680: {
            slidesPerView: 2,
            spaceBetween: 5,
        },
        986: {
            slidesPerView: 2,
            spaceBetween: 10,
        },
        1200: {
            slidesPerView: 3,
            spaceBetween: 20,
        },
    }
});