https://www.vigantice.cz/skins/vigantice.cz_lego2/js/swiperInit.js?v=v6.5.0a

1jQuery(document).ready(function () {
2    if (jQuery('.js-swiper-container1 .swiper-slide').length > 1) {
3        var legoSwiper = new Swiper('.js-swiper-container1',
4            Object.assign({},
5                {
6                    autoplay: {
7                        delay: 6000
8                    },
9                    effect: 'fade',
10                    loop: true,
11                    navigation: {
12                        nextEl: '.swiper-button-next1',
13                        prevEl: '.swiper-button-prev1',
14                    },
15                    pagination: {
16                        el: '.swiper-pagination',
17                        dynamicBullets: true,
18                    },
19                    preloadImages: false,
20                    scrollbar: {
21                        el: '.swiper-scrollbar',
22                        hide: true,
23                    },
24                    slidesPerView: 1,
25                    speed: 1500,
26                },
27                swiperOptions1))
28    } 
29});