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<script language="javascript" type="text/javascript">

var i = 3;

var intervalid;

intervalid = setInterval("fun()", 1000);

function fun() {

if (i == 0) {

window.location.href = "/";

clearInterval(intervalid);

}

document.getElementById("spand").innerHTML = i;

i--;

}

</script>

</div>

</body>

</html>