<html>
<head>
<title>倒计时</title>
</head>
<body>
<form name="frm">
<center> 离2011年4月29日还有:<br>
<input type="textarea" name="left" size="35" style="text-align: center" readonly="true">
</center>
</form>
<script LANGUAGE="javascript">
startclock()
var timerID = null;
var timerRunning = false;
function showtime()
{
Today = new Date();
var NowHour = Today.getHours();
var NowMinute = Today.getMinutes();
var NowMonth = Today.getMonth();
var NowDate = Today.getDate();
var NowYear = Today.getYear();
var NowSecond = Today.getSeconds();
if (NowYear <2000)
{
NowYear=1900+NowYear;
Today = null;
}
Hourleft = 23 - NowHour;
Minuteleft = 59 - NowMinute;
Secondleft = 59 - NowSecond;
Yearleft = 2011 - NowYear;
Monthleft = 4 - NowMonth - 1;
Dateleft = 28 - NowDate;
if (Secondleft<0)
{
Secondleft=60+Secondleft;
Minuteleft=Minuteleft-1;
}
if (Minuteleft<0)
{
Minuteleft=60+Minuteleft;
Hourleft=Hourleft-1;
}
if (Hourleft<0)
{
Hourleft=24+Hourleft;
Dateleft=Dateleft-1;
}
if (Dateleft<0)
{
Dateleft=31+Dateleft;
Monthleft=Monthleft-1;
}
if (Monthleft<0)
{
Monthleft=12+Monthleft;
Yearleft=Yearleft-1;
}
Temp=Yearleft+'年, '+Monthleft+'月, '+Dateleft+'天, '+Hourleft+'小时, '+Minuteleft+'分, '+Secondleft+'秒'
document.frm.left.value=Temp;
timerID = setTimeout("showtime()",1000);
timerRunning = true;
}
var timerID = null;
var timerRunning = false;
function stopclock ()
{
if(timerRunning)
clearTimeout(timerID);
timerRunning = false;
}
function startclock ()
{
stopclock();
showtime();
}
</script>
</body>
</html>
