$(function ()
{
  $('#sub_product_photos a').click(function ()
  {
    $('#sub_product_photos').fadeOut();
  });
  $('#product_photos_box').mouseenter(function ()
  {
    $('#sub_product_photos').fadeIn(); 
    
  }).mouseleave(function ()
  {
    $('#sub_product_photos').fadeOut(); 
  });
  
  $('#main_product_photo').fadeIn("slow");
  
});