$(document).ready(function(){
  $('.detail-image').hide();
  $('.detail-image:first').fadeIn("normal");
  $(".lightbox").lightbox({fitToScreen:'true'});
  
  var $thumbs = $('ul.detail-image-thumbs li');
  if ($thumbs.length <= 1)
  {
    $thumbs.hide();
  }
  
  $('ul.detail-image-thumbs li a').click(function() {
      $('.detail-image').hide();
      $('.detail-image:eq(' + $('ul.detail-image-thumbs li a').index(this)+')').fadeIn("slow");
      return false;
  });
});