Timer in javascript

I fount a user asking for timer in javascript it is for him/her

Code:

<script type="text/javascript">
var current Time=new Date()
var hours=current Time.hours()
var minutes=current Time.minutes()
if (minutes<10)
minutes="0"+minutes
document.write(hours+":"+minutes)
if(hours>11)
{
document.write("P.M")
}
else
{
document.write("A.M")
}
</script>