$.getScript("/datajs/jquery.bgswitcher.js", function(){
    $('.backloop').bgSwitcher({
        images: ['https://www.hoken-lloyd.co.jp/dataimge/1623747756.jpg','https://www.hoken-lloyd.co.jp/dataimge/1624442801.jpg','https://www.hoken-lloyd.co.jp/dataimge/1624442808.jpg'], 
        interval: 4000, 
        loop: true, 
        shuffle: false, 
        effect: "slide", 
        duration: 1, 
        easing: "swing",
    });
});