function addCalendarEvent(month, day, year)
{
	var txt = prompt ("Enter your text for "  + month + " " + day + ", " + year + ":","")
	if (txt.length < 50)
	{
		var div = document.getElementById("customDay" + day);	
		div.innerHTML = txt;
	}
	else
	{
		alert("Please enter text shorter than 50 characters.");
	}
}