https://tokyo-marriott.com/rooms/js/swapimage.js

1// JavaScript Document
2$(function() {
3    $(".mod_thumlist").each(function() {
4        var click_flg = false;
5        var photoH = $(this).find(".mod_thumlist_photo_entry img").innerHeight();
6        var captionH = $(this).find(".mod_thumlist_photo_entry p").innerHeight();
7        $(this).find(".mod_thumlist_photo").css("height", photoH + captionH + "px");
8        var linkbtn = $(this).find("ul li a");
9        var bigimgwrap = $(this).find(".mod_thumlist_photo");
10        $(linkbtn).click(function() {
11            if (click_flg == false) {
12                click_flg = true;
13                $(bigimgwrap).prepend("<div class=\"mod_thumlist_photo_entry\"><img src='" + $(this).attr("href") + "' alt='" + $(this).attr("title") + "'><p>" + $(this).attr("title") + "</p>");
14                var removeimg = $(bigimgwrap).find(".mod_thumlist_photo_entry:eq(1)");
15                $(removeimg).stop(true, false).fadeOut("fast", function() {
16                    $(this).remove();
17                    click_flg = false;
18                });
19                click_flg = false;
20                return false;
21            } else {
22                return false;
23            }
24        });
25    });
26});