function addShipping(bookPrice, shippingPrice)
{
	if(bookPrice != '' && shippingPrice != '')
	{
		var totalPrice = parseFloat(bookPrice) + parseFloat(shippingPrice);
		document.getElementById('Total-Book-Price').value = totalPrice;
		
		document.getElementById('shipping-set').value = 1;
	}
	else if(shippingPrice == "")
	  document.getElementById('shipping-set').value = 0;
}

function shippingCheck()
{
	if(document.getElementById('shipping-set').value != 1)
	{
	  alert('Please select your country for postage and packaging');
	  return false;
  }
}