var add_image_handlers = function() {
  $("#main-image").data('selectedThumb', $('#main-image img').attr('src'));
  $('ul.thumbnails li').eq(0).addClass('selected');
  $('ul.thumbnails li a').click(function() {
    $("#main-image").data('selectedThumb', $(this).attr('href'));
    $('ul.thumbnails li').removeClass('selected');
    $(this).parent('li').addClass('selected');
    return false;
  }).hover(
          function() {
            $('#main-image img').attr('src', $(this).attr('href').replace('mini', 'product'));
          },
          function() {
            $('#main-image img').attr('src', $("#main-image").data('selectedThumb'));
          }
          );
};
 
jQuery(document).ready(function() {
  add_image_handlers();
});
 
jQuery(document).ready(function() {
  jQuery('#product-variants input[type=radio]').click(function (event) {
    var vid = this.value;
    var text = $(this).siblings('label').children(".variant-description").html();
 
    jQuery("#variant-thumbnails").empty();
    jQuery("#variant-images span").html(text);
 
    if (images[vid].length > 0) {
      $.each(images[vid], function(i, link) {
        jQuery("#variant-thumbnails").append('<li>' + link + '</li>');
      });
 
      jQuery("#variant-images").show();
    } else {
      jQuery("#variant-images").hide();
    }
 
    add_image_handlers();
 
    var link = jQuery("#variant-thumbnails a")[0];
 
    jQuery("#main-image img").attr({src: jQuery(link).attr('href')});
    jQuery('ul.thumbnails li').removeClass('selected');
    jQuery(link).parent('li').addClass('selected');
  });
  
  
  var selected_radio = jQuery('#product-variants input[type=radio][checked=checked]');
  if (selected_radio != null && selected_radio.length > 0) {
    var selected_id = selected_radio.val();
    var selected_text = $(selected_radio).siblings('label').children(".variant-description").html();
 
    jQuery("#variant-thumbnails").empty();
    jQuery("#variant-images span").html(selected_text);
    
    if (images[selected_id].length > 0) {
      $.each(images[selected_id], function(i, link) {
        jQuery("#variant-thumbnails").append('<li>' + link + '</li>');
      });

      jQuery("#variant-images").show();
    } else {
      jQuery("#variant-images").hide();
    }
    
    add_image_handlers();
  }
});