https://www.pavelpopov.com/SwitzerlandGermany/Lucerne/Lucerne.js

1/**
2 *	PhotoVanilla Album Script 
3 */
4/* slide show */
5var pics = new Array("IMG_1993","IMG_2003","IMG_5923","IMG_2009","IMG_5929","IMG_5930","IMG_2014","IMG_5933","IMG_5935","IMG_2019","IMG_5941","IMG_5943","IMG_5948","IMG_5950","IMG_2032","IMG_6022","IMG_5953","IMG_2039","IMG_5955","IMG_2045","IMG_2046","IMG_5965","IMG_5966","IMG_5972","IMG_5975","IMG_5976","IMG_5978","IMG_5979","IMG_2067","IMG_5982","IMG_5986","IMG_5987","IMG_2074","IMG_5994","IMG_2077","IMG_2080","IMG_5998","IMG_6007","IMG_6008","IMG_6009","IMG_6013","IMG_2096","IMG_2098","IMG_2101","IMG_6019","IMG_6029","IMG_6031","IMG_2115","IMG_2116","IMG_6030","IMG_6039","IMG_6041","IMG_6042","IMG_2127","IMG_2130","IMG_6035","IMG_6048-56","IMG_2145","IMG_6049","IMG_6054-59","IMG_6038","IMG_6055","IMG_6056-62","IMG_6059-63","IMG_2164","IMG_6061","IMG_6064","IMG_6070","IMG_6073","IMG_6074","IMG_6040","IMG_6086","IMG_2197","IMG_6089","IMG_6090","IMG_6095","IMG_6096-76","IMG_6097-77","IMG_6045","IMG_6048-79","IMG_6054-80","IMG_2255","IMG_2261","IMG_2271","IMG_6056-84","IMG_6058","IMG_6059-86","IMG_6100","IMG_6101","IMG_2305","IMG_6107","IMG_6111","IMG_6113","IMG_2308","IMG_6063","IMG_6120","IMG_6121","IMG_6126","IMG_6072","IMG_2334","IMG_6136","IMG_6147","IMG_6151-102","IMG_6157","IMG_6164","IMG_6176","IMG_6189","IMG_6194","IMG_6082","IMG_6280","IMG_6285","IMG_6286","IMG_6292","IMG_6295","IMG_2485","IMG_6083","IMG_6087","IMG_2494","IMG_6088","IMG_6091","IMG_2509","IMG_2513","IMG_2514","IMG_6314","IMG_2516","IMG_6093","IMG_6332","IMG_6096-127","IMG_6097-128","IMG_2552","IMG_6099 (1)","IMG_6102","IMG_6103","IMG_2570","IMG_2581","IMG_2584","IMG_2586","IMG_2590","IMG_6114","IMG_2706","IMG_6145","IMG_6148","IMG_6149","IMG_6151-143","IMG_2715","IMG_2719","IMG_6168","IMG_2748","IMG_6383","IMG_2770","IMG_6391","IMG_6398","IMG_2789","IMG_6406","IMG_6411");
6var i = 0;
7var tid = 0;
8var delay = 8000;
9var showOn = false;
10var iThumb = 0;
11var iPic = 1;
12var selectedThumb = null;
13
14if (window.location.href.substring(0, 5) == "file:") delay = delay - 3000;
15
16function startShow() {
17	if (selectedThumb != null)
18		i = pics.indexOf(selectedThumb.id);
19	i--;
20	tid = setTimeout("showNextPic()", 1);
21	showOn = true;
22}
23function stopShow() {
24var oTd;
25	frames[iThumb].setFocusTo(pics[i], iThumb);
26	if (tid) clearTimeout(tid);
27	showOn = false;
28	oTd = frames[iPic].document.getElementById("showStat");
29	oTd.innerHTML = "";
30}
31function showNextPicNoDelay()
32{
33	i++;
34	if (i >= pics.length)
35		i = 0;
36	frames[iPic].location = 'pages/' + pics[i] + '.htm';
37	frames[iThumb].setFocusTo(pics[i], iThumb);
38	showSelectedThumb(pics[i]);
39}
40function showPrevPicNoDelay()
41{
42	i--;
43	if (i < 0)
44		i = pics.length - 1;
45	frames[iPic].location = 'pages/' + pics[i] + '.htm';
46	frames[iThumb].setFocusTo(pics[i], iThumb);
47	showSelectedThumb(pics[i]);
48}
49function showNextPic() {
50	showNextPicNoDelay();
51	tid = setTimeout("showNextPic()", delay);
52}
53function showPic(k) 
54{
55	if (k == "ArrowRight")
56		showNextPicNoDelay();
57	if (k == "ArrowLeft")
58		showPrevPicNoDelay();
59}
60function showSelectedThumb(id)
61{
62	if (selectedThumb != null)
63		selectedThumb.className = "border-not-selected-thumb";
64	selectedThumb = frames[iThumb].document.getElementById(id);
65	i = pics.indexOf(id);
66	selectedThumb.className = "border-selected-thumb";
67	selectedThumb.scrollIntoView({ behavior: "smooth", block: "center" });
68}