window.addEvent('domready', function() {
  $$('#logo').addEvent('click', function() { top.location.href = '/'; });
  $$('.image_menu_page').addEvent('click', function() { goto(this); });
  var img = $$('img');
  img.each(function(element) {element.removeAttribute('alt');});
});
function goto(parent) {
  top.location.href = parent.childNodes[0].getAttribute('href');
}