[рони]

sergey24,

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>

  <script>
$(function() {
   $('.gallery').on('click', '.thumbs img', function(event){
    var parent = event.delegateTarget;
    $('.largeImage', parent).attr('src',$(this).attr('src').replace('thumb','large'));
    $('.description', parent).html($(this).attr('alt'));
});
});
  </script>