// swiper 
var swiper1 = new Swiper('#swiper-container-1', {
    slidesPerView: 2.5,
    spaceBetween: 50,
    navigation: {
        nextEl: ".swiper-button-next",
        prevEl: ".swiper-button-prev",
    }
});

var swiper1 = new Swiper('#swiper-container-2', {
    slidesPerView: 4,
    spaceBetween: 60,
    loop:true,
    navigation: {
        nextEl: ".swiper-button-next",
        prevEl: ".swiper-button-prev",
    }
});



showZoomImg('.zoomImg', 'img', '.certification .link-item');