var date = new Date("June 21, 2010");
var description = "1st Day of Summer";
var now = new Date();
var diff = date.getTime() - now.getTime();
var days = Math.floor(diff / (1000 * 60 * 60 * 24));


if (days > 1) {
	document.write("<h1>" + (days + 1) + "</h1><br/> days until " + description);
}
else if (days == 1) {
	document.write("<h1>2</h1><br/> days until " + description);
}
else if (days == 0) {
	document.write("<h2>1</h2><br/> day left until " + description);
}
else {
	document.write("<span style='font-size:14px'>Ain't no cure for the summertime blues.</span>");
};