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  function setCookieSwr(c_name, value, exdays) {
            var exdate=new Date();
            exdate.setDate(exdate.getDate() + exdays);
            var c_value=escape(value) + ((exdays==null) ? "" : "; expires="+exdate.toUTCString());
            document.cookie=c_name + "=" + c_value;
        }

        function getCookieSwr(name) {
            var parts = document.cookie.split(name + "=");
            if (parts.length == 2) return parts.pop().split(";").shift();
            return null;
        }