function zoomImage(imageName,width,height) {
  var win = window.open('/pages/zoom/' + imageName + '/' + width + '/' + height, 'gallery', 'width=' + (width + 20) + ',height=' + (height + 10) + ',location=0,menubar=0,resizable=0,scrollbars=1,status=0,toolbar=0');
  win.focus();
}

function zoomPhoto(variationId) {
  var win = window.open('/products/zoom/?variation_id=' + variationId, 'detail', 'width=520,height=506,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();
  }
}