<script type="text/javascript">
<!--
var l = new Date("2005/12/31"); // mission landing date
function updateLanding() {
var n = new Date();
n = n - n.getTimezoneOffset();
d = (l - n) / 1000 / 60 / 60 / 24;
drnd = Math.floor(d);
h = (l - n) / 1000 / 60 / 60 - (24 * drnd);
hrnd = Math.floor(h);
m = (l - n) / 1000 /60 - (24 * 60 * drnd) - (60 * hrnd);
mrnd = Math.floor(m);
s = (l - n) / 1000 - (24 * 60 * 60 * drnd) - (60 * 60 * hrnd) - (60 * mrnd);
srnd = Math.round(s);
document.getElementById("timer").innerHTML = "倒计时：<br /><span>" + drnd + "</span>天

<span>" + hrnd + "</span>小时<span>" + mrnd + "</span>分<span>" + srnd + "</span>秒";
landing = window.setTimeout("updateLanding();",1000);
}
// -->
</script>