// Copyright © 2008 Zeno Crivelli
document.observe("dom:loaded",function(){$$('.photos_thumb li a').each(function(b){b.observe('click',function(a){selectThumb(this);a.stop()})});$('main').observe('click',nextPhoto)});function selectThumb(a){var b=new Element('img',{src:a.href});$('main').update(b);$('photo_description').update(a.title);$$('.photos_thumb li.active').invoke('removeClassName','active');a.up().addClassName('active')}function nextPhoto(){var a=$$('.photos_thumb li.active').first();if(a.next('li'))selectThumb(a.next('li').down('a'));return false}function previousPhoto(){var a=$$('.photos_thumb li.active').first();if(a.previous('li'))selectThumb(a.previous('li').down('a'));return false}