this is simple image zooming
<title>Document</title>main image
<div class="main-image-wapper">
<img class=" imageView" src="image source data-large="/image source" alt="">
one function for image gallery
$(document).on('click','your thumbnailClass',function(){
var url = $(this).data('url'); //put there data-url with image source
$(this).closest('this is main div').find('tagName').each(function(){
$(this).removeClass('active');
})
$(this).addClass('active');
$(this).closest('.this is main div').find('yourBigsize image class').attr('src',url);
$(this).closest('.this is main div').find('.yourBigsize image class').attr('data-large',url);
return false;
})
if youw want glass style add this
this is main code