//Set cookie for backbutton usage $(function () { var exdate = new Date(); exdate.setDate(exdate.getDate() + 1); var url = encodeURI("/content/www/es/es/buy/intelinside/productdetails.html?product_id=191139"); //escape() is deprecated! var cookieValue = "proddetailspage###" + url + ((exdate == null) ? "" : "; expires=" + exdate.toUTCString()) + "; path=/"; document.cookie = "backbutton=" + cookieValue; });