function updateCart(ref, qty)
{
	new Ajax.Request('/ajax/update_cart.php', 
	{ 
		method: 'post', 
		parameters: { ref:ref, qty:qty },
		onSuccess: function(transport) { 
			info = transport.responseText.evalJSON(true);
			$('BasketSize').innerHTML = info.nb;
			Effect.Pulsate('BasketSize', {duration: 0.5});
			Effect.Pulsate('img_add_'+ref, {duration: 0.5});
		}
	});
}

function copyAddress()
{
	$('B_FirstName').value = $('S_FirstName').value;
	$('B_LastName').value = $('S_LastName').value;
	$('B_Company').value = $('S_Company').value;
	$('B_Street').value = $('S_Street').value;
	$('B_ZipCode').value = $('S_ZipCode').value;
	$('B_Town').value = $('S_Town').value;
	$('B_Country').value = $('S_Country').value;
}