function countDown() {
    sec--;
    if (sec == -1) {
	sec = 59;
	min = min - 1;
    }
    time = (min <= 9 ? "0" + min : min) + ":" + (sec <= 9 ? "0" + sec : sec);
    div_time = $("#theTime");
    if (div_time) { div_time.html(time); }
    SD=window.setTimeout("countDown();", 1000);
    if (min == 0 && sec == 0) { window.clearTimeout(SD); }
}