function zoomPhoto(id, size, name) {
  var win = window.open('/home/zoom/' + id + '/' + size + '/' + name, 'detail', 'width=458,height=304,location=0,menubar=0,resizable=0,scrollbars=1,status=0,toolbar=0');
  win.focus();
}

function showform(id) {
  el = document.getElementById(id);
  if (el.style.display == 'none') {
    el.style.display = '';
  } else {
    el.style.display = 'none';
    emptyShippingFields();
  }
}