在状态栏中显示当前系统时间

<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>