function UpdateQty(id, amount)
{
	window.location.href = 'order.php?mode=update&pid=' + id + '&amount=' + amount;
}
function ChangeQty(id, method)
{
	var obj	= document.getElementById(id);
	var qty = parseInt(obj.value);
	if(method == "-")
	{
		if(qty > 1)
			obj.value = qty - 1;
	}
	else
	{
		if(qty < 99)
			obj.value = qty + 1;
	}
}