function SelectImage(DiscountID, ImageNum)
{
    var e = document.getElementsByTagName("*");
    var names = "";

    // Reset all images for this Discount Product ID
    for (i = 0; i < e.length; i++)
    {
        if (e[i].id.indexOf("DiscountImg" + DiscountID) >= 0)
        {
            e[i].style.display = 'none';

            var ProductImageNumber = e[i].id.split('-')[1];

            if (ProductImageNumber == ImageNum)
            {
                e[i].style.display = 'block';
            }
        }
    }
}