<script type="text/javascript">
var timeIndex = 100;//总的分钟数
$(document).ready(function(){
var regex = /dateTime=(\d+)/;
setTime();
setInterval(setTime, 1000);//每秒执行一次
});
function setTime(){
var hour = parseInt(timeIndex / 3600);
var minutes = parseInt((timeIndex % 3600) / 60);
var seconds = parseInt(timeIndex % 60);
hour = hour < 10 ? "0" + hour : hour;
minutes = minutes < 10 ? "0" + minutes : minutes;
seconds = seconds < 10 ? "0" + seconds : seconds;
$("#divTime").text(hour + ":" + minutes + ":" + seconds);
if(timeIndex>0){
timeIndex--;
}
$("#linkTime").attr("href", url + timeIndex);
}一款jquery倒计时
原文：http://my.oschina.net/ailingling/blog/310150
