function product_photo_swap(thumb_url, large_url) {
	$('product_photo').src = thumb_url;
	$('product_photo_link').href = large_url;    
}

function product_email_friend_popup(url) {
	day = new Date();
	id = day.getTime();
	eval('page' + id + ' = window.open(url, "' + id + '", "toolbar=0,scrollbars=yes,location=0,statusbar=0,menubar=0,resizable=0,width=500,height=500");');
	return false;
}

function shipping_as_billing(cbox) {
	$w('firstname lastname address city state postal_code').each(function(f) {
		$('order_shipping_' + f).value = cbox.checked ? $('order_billing_' + f).value : "";
	});
}

function setValue(checked){
   if (checked){
     $('form_membership_seasonal').show();
   }
   else{
     $('form_membership_seasonal').hide();
   }
}

/*function change_total_enclosed_value(){
  $('total_enclosed').value = String(Number($('amount').value) + Number($('gift_museum').value)) + '.00';
  $('gift_museum').value = $('gift_museum').value + '.00';
}*/

function membership_change_total_enclosed() {
	//membership_amount = $('membership_membership_amount');
	var membership_amount = parseFloat($F('membership_membership_amount'));
	var gift_amount = parseFloat($F('membership_gift_amount'));

	var total_amount = (membership_amount + gift_amount).toFixed(2);
	if (total_amount != "NaN" && total_amount > membership_amount) { $('membership_total_amount').value = total_amount; }
}