<script
type="text/javascript">
var d = new Date()
theDay=d.getDay()
switch (theDay)
{
case 5:
alert("Finally Friday")
break
case 6:
alert("Super Saturday")
break
case 0:
alert("Sleepy Sunday")
break
default:
alert("I'm really looking forward to this weekend!")
}
</script>
Note
that Sunday=0, Monday=1, Tuesday=2, Wednesday=3 etc.