var now = new Date();
var days   = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
var months = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];

function leadingZero(number)
{
	if (number.toString().length < 2)
	{
		return '0' + number;
	}
	else
	{
		return number;
	}
}

function displayDate()
{
	var strYear = now.getYear() < 1000 ? now.getYear()+1900 : now.getYear();
	var strDate = days[now.getDay()] + " " + leadingZero(now.getDate()) + " " + months[now.getMonth()] + " " + strYear;
	var hour24  = now.getHours();
	var strTime = ((hour24 % 12) || 12) + ':' + leadingZero(now.getMinutes());
	var strMeridian = 'PM';
	var strTimeofDay;
	
	if (hour24 < 12)
	{
		strTimeofDay = 'Morning';
		strMeridian  = 'AM';
	}
	else if (hour24 < 18)
	{
		strTimeofDay = 'Afternoon';
	}
	else
	{
		strTimeofDay = 'Evening';
	}
	strTime += strMeridian;

	document.write('Good ' + strTimeofDay + "! It's " + strDate + " and the time is " + strTime + "!");
}