$(document).ready(function() {

  // ***** Function to show product details
  $('.show').click(function() {
    var element = $(this).attr('rel');
    $('.category, h1.title').fadeOut('fast', function() {
      $('.' + element).fadeIn('slow');
    });
  });

  $('.back').click(function() {
    var element = $(this).attr('rel');
    $('.' + element).fadeOut('fast', function() {
      $('.category, h1.title').fadeIn('slow');
    });
  });

  // ***** Function to switch product images
  $('#gallery img').click(function() {
    var image = $(this).attr('src');
    var parent = $(this).parent().prev().children();
    $(parent).fadeOut('slow', function() {
      parent.attr('src', image).fadeIn('slow');
    });
  });

});