var house_rules = {
  '.thumbnails' : function(elem)
    {
      elem.onclick = function()
        {
           $('#main_image').attr({src: elem.src});
           $("#gallery_desc").load("/class/image.php", {id: elem.id, testo: true});
        }
    },
  '.select_ed' : function(elem)
    {
      elem.onchange = function()
        {
           window.location = 'index.php?page=storia&edizione=' + elem.value;
        }
    }
}

Behaviour.register(house_rules);