function doGreeting() {
var d = new Date()
var time = d.getHours()

if (time<10)
{
	document.write("Good Morning")
}

else if (time>10 && time<16)
{
	document.write("Good Afternoon")
}

else if (time>16 && time<24)
{
	document.write("Good Evening")
}

else
{
	document.write("Hello")
}
}