<script type="text/javascript">
var lastTime = 3;
function abc() {
var btnReg = ("btnReg");
if (!btnReg) { return; }
if (lastTime <= 0) {
= "Agree";
= "";
clearInterval("TimeId");
}
else {
= "Left" + lastTime + "seconds";
lastTime--;
}
}
var TimeId = setInterval("abc()", 1000);
</script>