https://perfect-s.com/packages/website/design/perfects/ja/pc/js/function.js

1//silider
2  $(document).ready(function(){
3    $('.bxslider').bxSlider({
4      mode: 'fade',
5      controls: true,
6      auto: true,
7      pager: false,
8    });
9  });
10
11//item-slide
12jQuery(function($){
13	$('.detail-img-thumbnail a').click(function(){
14		if($(this).hasClass('over') == false){
15			$('.detail-img-thumbnail a').removeClass('over');
16			$(this).addClass('over');
17			$('.detail-img-main a').hide().attr('href',$(this).attr('href')).fadeIn();
18			$('.detail-img-main img').hide().attr('src',$(this).attr('href')).fadeIn();
19		}
20		return false;
21	}).filter(':eq(0)').click();
22});