function toggle_shipping_address(check_box) {
  fields = ['first_name', 'last_name', 'address', 'city', 'state', 'zip'];
  if ($(check_box).checked) {
    fields.each(function(e) { 
      $('order_shipping_' + e).value = $('order_policy_' + e).value;
    });
  } else {
    fields.each(function(e) { 
      $('order_shipping_' + e).value = '';
    });
  }
}