<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<div id="timer" style="color: red"></div>
<input type="button" id="tests" value="tests" onclick="fntime()" />
<script type="text/javascript">
window.status="作者：然";
var maxtime = 60 * 60
function fntime() {
var _currentTime = "2013-01-05 11:00:00"
var _startTime = "2013-01-08 11:00:00"
var tmpBeginTime = new Date(_currentTime.replace(/-/g, "\/")); //时间转换
//alert("CurrentTime:" + tmpBeginTime);
var tmpEndTime = new Date(_startTime.replace(/-/g, "\/")); //时间转换
//alert("StartTime:" + tmpEndTime);
//var datFrom = getDateFromString("2007-1-5-05-7");
//var datTo = getDateFromString("2007-1-6-04-17");
var _s = (tmpEndTime - tmpBeginTime) / 1000; //得秒
var _minute = (tmpEndTime - tmpBeginTime) / (1000 * 60); //得分钟
var _hour = (tmpEndTime - tmpBeginTime) / (1000 * 60 * 60); //得小时
var days = (tmpEndTime - tmpBeginTime) / (1000 * 60 * 60 * 24); //得天
//alert(_s);
maxtime = _s;
timer = setInterval("CountDown()", 1000);
/*
var sumMinTime = 1000 * 60 * 60 * 24 * (365 / 2);
alert((tmpEndTime - tmpBeginTime) / (1000 * 60 * 60 * 24));
if ((tmpEndTime - tmpBeginTime) >= sumMinTime) {
alert("大于");
} else {
alert("小于");
}*/
}
//一个小时，按秒计算，自己调整!
function CountDown() {
if (maxtime >= 0) {
days = Math.floor(maxtime / 60 / 60 / 24);
hour = Math.floor(maxtime / 60 / 60 % 24);
minutes = Math.floor(maxtime / 60 % 60);
seconds = Math.floor(maxtime % 60);
msg = "距离结束还有" + days + "天" +hour + "时" +minutes + "分" + seconds + "秒";
document.getElementById("timer").innerHTML = msg;
if (maxtime == 5 * 60)
alert('注意，还有5分钟!');
--maxtime;
} else {
clearInterval(timer);
alert("时间到，结束!");
}
}
</script>
</body>
</html>