<script Language="JavaScript">
var timerID = null;
var timerRunning = false;
function stopclock (){
if(timerRunning)
clearTimeout(timerID);
timerRunning = false;
}
function showtime () {
var now = new Date();
var hours = now.getHours();
var minutes = now.getMinutes();
var seconds = now.getSeconds()
var timeValue = ""
+ ((hours >12) ? hours -12 :hours)
timeValue += ((minutes < 10) ? ":0"
: ":"
+ minutes
timeValue += ((seconds < 10) ? ":0"
: ":"
+ seconds
timeValue += (hours >= 12) ? "
P.M."
: "
A.M."
window.status = timeValue;
timerID = setTimeout("showtime()",1000);
timerRunning = true;
}
function startclock () {
stopclock();
showtime();
}
</script>
这样????