IF else condition in HTML using Java Script

<script language= "javascript"type="text/javascript">
//write a "Good morning" greeting if
// otherwise "Good day" greting
// the time is less than 10
var d=new Date()
var time =d.getHours()
if(time<10)
{
document.write ("Good Morning")
}
else
{
document.write ("Good day")
}
</script>