ocument.getElementById(eleId).href;
                var str1 = str.substring(0, (str.length - 6));
                str1 += CNNIC_RndNum(6);
                document.getElementById(eleId).href = str1;
            }
            function CNNIC_RndNum(k) {
                var rnd = "";
                for (var i = 0; i < k; i++) rnd += Math.floor(Math.random() * 10);
                return rnd;
            }</script>
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