// code for retrieving discount index cookie.
// Code to dispay a different image each time the page is reloaded.       

var discountIndex = getCookie("discountIndex");   
if (discountIndex == null || discountIndex == 'undefined' || discountIndex == '' || discountIndex >= discountData.products.length - 1){
    discountIndex = 0;
}
$("#discountAnchor").attr("href",discountData.products[discountIndex].anchor);
$("#discountImage").attr("src",discountData.products[discountIndex].img);
discountIndex++;
setCookie( "discountIndex", discountIndex );