JavaScript Simple Input Clock

Simple Input Clock

<body bgcolor="ffffff" onLoad="timeClock()">
<script>
function timeClock(){ 

setTimeout("timeClock()",1000); 
today = new Date(); 
year = today.getYear() + 1900 

var hrs = today.getHours()
hrs=""+((hrs>12)?hrs-12:hrs); 

var mins = today.getMinutes()
mins=((mins<10)?"0":"")+mins; 

var secs = today.getSeconds() 
secs=((secs<10)?"0":"")+secs; 

document.form.timesec.value=" " +hrs+" : "+mins+" : "+secs+"" 
}
</script>

<form name="form"><input type="text" size="9" name="timesec"></form>