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How to stop lightbox from advancing to next gallery?

I am totally new to js and stuff like that, but I was made an admin and editor of an existing webpage of my employer. The problem is, I cannot contact a man, who has written the webpage, so its sometimes pretty hard to find out the paths and solutions of problems.
The problem I want to solve is on the page using Lightbox for image gallery. When you click on the first image, it pops out and works brilliant. But when you come to the end of the gallery, you can continue to the next car.
Here is the link to show what I mean: http://bmw-groupm.sk/vozidla-na-sklade/
Can you please at least try to tell me, if the problem is in CSS or script itself? Thank you.
It is not that simple. Cars are added to the webpage by separate Admin panel, which creates a directory on server, puts the images inside and than the car content is called by some complex process. See the html:
$adresar[$cislo] = opendir("vehicles/".$cisl[$cislo]."/");
while ($subor[$cislo] = readdir($adresar[$cislo])){
if ($subor[$cislo]!="." && $subor[$cislo]!=".." && !is_dir($subor[$cislo]) && $subor[$cislo]!="t" && $subor[$cislo]!="tn" && $subor[$cislo]!="mcith") {
$ext[$cislo] = pathinfo($subor[$cislo], PATHINFO_EXTENSION);
$ext[$cislo] = strtolower($ext[$cislo]);
if ($ext[$cislo]!="pdf") {
list($w[$cislo], $h[$cislo], $type[$cislo], $attr[$cislo]) = getimagesize("vehicles/".$cisl[$cislo]."/".$subor[$cislo]);
if ($w[$cislo]<$h[$cislo]) {
$iclass="imgh";
}
else {
$iclass="imgw";
}
$pas[$cislo].='<a rel="group" href="/vehicles/'.$cisl[$cislo].'/'.$subor[$cislo].'"><img src="/vehicles/'.$cisl[$cislo].'/'.$subor[$cislo].'"></a>';
} else {
$docu[$cislo]="/vehicles/".$cisl[$cislo]."/".$subor[$cislo];
}
}
}

The images are placed in links, which have the same rel="group" attribute.
Change these such that each car/gallery group of images has a different value from the next.
For example, car 1 gallery images will be rel="group1", and car 2 images will berel="group2".

You have to create an image set and give a specific name. The details are found here in the official website.
Documentation

You have to create an image set and give a specific name. You can provide the name in the data-lightbox attribute. You can find an example with dummy image links below.
<p>Gallery One</p>
<a href="https://dummyimage.com/600x400/b0a4b0/ffffff" data-lightbox="car">
<img src="https://dummyimage.com/600x400/b0a4b0/ffffff" />
</a>
<a href="https://dummyimage.com/600x400/ff00ff/ffffff" data-lightbox="car">
<img src="https://dummyimage.com/600x400/ff00ff/ffffff" />
</a>
<a href="https://dummyimage.com/600x400/ed1520/ffffff" data-lightbox="car">
<img src="https://dummyimage.com/600x400/ed1520/ffffff" />
</a>
<p>Gallery Two</p>
<a href="https://dummyimage.com/600x400/17a621/ffffff" data-lightbox="jeep">
<img src="https://dummyimage.com/600x400/17a621/ffffff" />
</a>
<a href="https://dummyimage.com/600x400/0e2796/ffffff" data-lightbox="jeep">
<img src="https://dummyimage.com/600x400/0e2796/ffffff" />
</a>
<a href="https://dummyimage.com/600x400/616011/ffffff" data-lightbox="jeep">
<img src="https://dummyimage.com/600x400/616011/ffffff" />
</a>
The details are found here on the official website.

javascript for a simple lightbox seems not to be functioning

I'm new to programming unfortunately and so to help me I have been following some simple tutorials on youtube (in addition to following Treehouse lessons). The one I have been struggling with and can't seem to find a solution to is building a simple lightbox, well getting the click event to bring up the lightbox. I have checked all lines, syntax, whether I've omitted a ; or {}, thought maybe I had the javascript src incorrect, tried downloading, creating a js folder and linking to that, referencing google hosted javascript, checked firebug, tried different browsers, checked that the CSS is correct (which it seems to be as when setting the display to block it appears OK), thought maybe there is updated syntax rules (tried jQuery instead of $ but just can't see where I'm making an error. Probably I have omitted something really simple, so please forgive me in advance. The youtube link I'm following is: https://www.youtube.com/watch?v=k-uonF7Gdgw Have also checked the comments to the video to see if anyone else is having same problem, some are, but mostly everyone else seems ok, and no solutions posted for those not getting it to work!
Please see below code:
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script type="text/javascript">
jQuery(document).ready(function(){
jQuery('.lightbox').click(function(){
jQuery('.backdrop, .box').animate({'opacity':'.50'}, 300, 'linear'); //fades in the backdrop and the lightbox - speed of 300, and displayed in a linear fashion. Only want the backdrop displayed with 50% opacity, and the box at 100% (see below line)
jQuery('.box').animate({'opacity':'1.00'}, 300, 'linear');
jQuery('.backdrop, .box').css('dispaly', 'block'); //sets the appearance of the box
});
});
</script>
Many thanks in advance, and thanks for great resource!
Nic

Lightbox is a JavaScript technique used to display images and other web content using modal dialogs where the image is shown up center filling most of the screen, and the rest of the window is dimmed out. Lightbox was originally the name of a specific JavaScript plugin. However, common usage of the term has evolved to encompass Lightbox-style JavaScript plugins and effects in general.
First we take some images (when we click on the images the LightBox will be shown). We will place this image in a
HTML code:
<section id="examples" class="examples-section">
<div class="container">
<h3 style="clear: both;">Four image set</h3>
<div class="image-row">
<div class="image-set">
<a class="example-image-link" href="img/demopage/image-3.jpg" data-lightbox="example-set" data-title="Click the right half of the image to move forward."><img class="example-image" src="img/demopage/thumb-3.jpg" alt=""/></a>
<a class="example-image-link" href="img/demopage/image-4.jpg" data-lightbox="example-set" data-title="Or press the right arrow on your keyboard."><img class="example-image" src="img/demopage/thumb-4.jpg" alt="" /></a>
<a class="example-image-link" href="img/demopage/image-5.jpg" data-lightbox="example-set" data-title="The next image in the set is preloaded as you're viewing."><img class="example-image" src="img/demopage/thumb-5.jpg" alt="" /></a>
<a class="example-image-link" href="img/demopage/image-6.jpg" data-lightbox="example-set" data-title="Click anywhere outside the image or the X to the right to close."><img class="example-image" src="img/demopage/thumb-6.jpg" alt="" /></a>
</div>
</div>
</div>
</section>
Now add css code files for screen and lightbox. Also download lightbox.js and jquery library java-script files.

Fancybox.. one image that contains more images

I just want my page to contain one image then once you click it.. you can move across and view more images.. is this possible?
Atm my fancy box is just one image showing one image..
Any help would be great, thanks

I use to work with Fancybox since earlier versions. What I do in that case is:
HTML:
<!-- this is the regular image -->
<a class="fancybox" href="leIMG-bigger-0.jpg" rel="leGallery"><img src="leIMG-0.jpg" alt=""></a>
<!-- this is the rest of the gallery... hidden -->
<div class="fancyboxHidden">
<a class="fancybox" href="otherIMG-bigger-1.jpg" rel="leGallery">
<img src="otherIMG-1.jpg" alt="">
</a>
<a class="fancybox" href="otherIMG-bigger-2.jpg" rel="leGallery">
<img src="otherIMG-2.jpg" alt="">
</a>
<a class="fancybox" href="otherIMG-bigger-3.jpg" rel="leGallery">
<img src="otherIMG-3.jpg" alt="">
</a>
<div>
CSS:
.fancyboxHidden {display:none;}
This way you are:
1) Using your full gallery (try the thumbs helper and will look great)
2) Indexing all the images for search engines
Hope this will help you, for a good example of this check out this site in source view.
PS: There is many ways to achieve what you want, you can create the gallery directly from JS or combine both ways. This is the way I choose for image indexing ;)

how to prevent fancybox from deleting the clicked thumbnail

Fist time using fancybox and it's not going so well.. starting to wish I didn't bother with it.
I have some thumbnails in a row, fine, then when I click one it opens the THUMBNAIL instead of the link whats worse it DELETES the thumbnail from the DOM. I've dug around in the fancybox src for the issue but there's a lot of it and I'll probably end up killing functionality so I thought I'd post here.
heres the code:
The raw HTML comes from CMS looking like:
<img src="http://blah..blah..from..flickr..001_s.jpg" alt="my image one" class="flickr-square" title="test image" longdesc="" data-url="http://blah..blah..flickr..detail..page" data-orig="http://blah..blah..flickr..big..001_b.jpg">
<img src="http://blah..blah..from..flickr..002_s.jpg" alt="my image one" class="flickr-square" title="test image" longdesc="" data-url="http://blah..blah..flickr..detail..page" data-orig="http://blah..blah..flickr..big..002_b.jpg">
I then run some stuff in backbone view render, the important bit is this:
var imgs = this.$el.find("img"); //:a jquery group of the img elements above
this.content = this.$el.find("span.postcontent");
//empty current
this.content.empty();
//make replacement
for(i= 0;i<imgs.length;i++)
{
var curImg = $(imgs[i]);
var curLink = $("<a/>");
curLink.attr("href",curImg.attr('data-orig'))
curLink.append(curImg);
curLink.on("click",function(e){
e.preventDefault();
$.fancybox.open(imgs)
});
this.content.append(curLink)
}
I now have rendered html like this:
<a href="http://blah..blah..flickr..big..001_b.jpg">
<img src="http://blah..blah..from..flickr..001_s.jpg" alt="my image one" class="flickr-square" title="test image" longdesc="" data-url="http://blah..blah..flickr..detail..page" data-orig="http://blah..blah..flickr..big..001_b.jpg">
</a>
<a href="http://blah..blah..flickr..big..002_b.jpg">
<img src="http://blah..blah..from..flickr..002_s.jpg" alt="my image one" class="flickr-square" title="test image" longdesc="" data-url="http://blah..blah..flickr..detail..page" data-orig="http://blah..blah..flickr..big..002_b.jpg">
</a>
So far so good... now, when I click the link/thumb it does the fancybox thinggy but shows the THUMBNAIL not the linked image, tiny in the middle in it's lightboxy thing and whats really annoying is that the clicked thumbnail in the page itself has now been completely removed from the dom ie.:
<a href="http://blah..blah..flickr..big..001_b.jpg">
///THIS IS MISSING COMPLETELY..... ggggggrrrrr
</a>
<a href="http://blah..blah..flickr..big..002_b.jpg">
<img src="http://blah..blah..from..flickr..002_s.jpg" alt="my image one" class="flickr-square" title="test image" longdesc="" data-url="http://blah..blah..flickr..detail..page" data-orig="http://blah..blah..flickr..big..002_b.jpg">
</a>

I've never seen Fancybox used like that. Normally, you don't need to trigger $.fancybox.open like that. You can just bind fancybox() to the <a> tags.
HTML:
<a href="big-image.jpg" class="fancybox">
<img src="thumbnail.jpg">
</a>
JavaScript:
$('.fancybox').fancybox();
Try just using that function after you've got the DOM to look like that.
[edit]
I couldn't get your DOM manipulation to quite work, but I tested with this fiddle, and it seems to be working: http://jsfiddle.net/haRnQ/4/
NOTE: I didn't import the styles or images for the demo, so it will be unstyled, but it still works.

I'm answering and voting up the previous two because they both helped but were not the definitive answer. The documentation was not clear that if you use only the "group" as a jquery array you must also specify options therefore the correnct answer is to do this (passing two arguments):
$.fancybox.open(imgs,
{
href:this.href,
title:curImg.attr("title")
}
);

Try changing this
$.fancybox.open(imgs)
by this
$.fancybox({
href: this.href
});
because imgs is the collection of your thumbnails (all <img> elements), which are moved to fancybox on click but not moved back after close.
In any case I would recommend you to add a class to <a> otherwise any other anchor you may have in your page would try to open fancybox.

I believe Fancybox prefers wrapping your images in an anchor. This is important to note as Fancybox removes the anchor when activating a slide show to prevent clicking on the anchor when the modal is active.
Calling FB from the thumb behaves like you have experienced by deleting the thumb and not recovering it after the modal is closed.
This is my typical FB setup (not a thumb gallery):
<img src="image1.jpg" alt="" />
<div style="display: none">
...
</div>

Javascript string within a string

I'm very new to this, so I'm sorry if I cant explain myself properly. I'm running a website with a lightbox for images, inside the lightbox I embeded a link and what I want to do is that link to open a new pop-up window, but I've encountered a small problem on my code:
<a href="images/gallery/1.jpg" class="lytebox" data-title="<br /><a href='javascript:popUp('images/junk1.php')'/>Add a Comment</a>">
<img src="images/thumbnails/1.jpg" border="0">
</a>
You see, when I get to the 'javascript:popUp('images/junk1.php')' I've already used the apostrophes, so it doesn't load. I've been reading about strings being within strings and I've tried escaping it via \ but it doesn't work. Any help?

Use HTML entities. Something like this (not tested):
data-title="<br /><a href="javascript:popUp('images/junk1.php')"/>Add a Comment</a>"

ok.. how about you just change the call around a little.. not sure if this will work, but you could give it a try.
<img src="images/thumbnails/1.jpg" border="0">
or you can do as rob suggests...
<a href="images/gallery/1.jpg" class="lytebox" data-title="<br /><a href='javascript:popUp("images/junk1.php")'/>Add a Comment</a>">
<img src="images/thumbnails/1.jpg" border="0">
</a>