Jump effect after 5 seconds (setInterval/SetTimeOut)

<script type="text/javascript">
= function () {
setTimeout(changeTime, 1000);
}
function changeTime() {
var time = ("time").innerHTML;
time = parseInt(time);
time--;
if (time <= 0) {
var url = ("url").href;
= url;
} else {
("time").innerHTML= time;
setTimeout(changeTime, 1000);
}
}
</script>