var date = new Date("Dec 25, 2019");
var description = "Brad posts";
var now = new Date();
var diff = date.getTime() - now.getTime();
var days = Math.floor(diff / (1000 * 60 * 60 * 24));


if (days > 1) {
	document.write("<div><span>" + (days + 1) + "</span> days until " + description + "</div>");
}
else if (days == 1) {
	document.write("<div><span>2</span> days until " + description + "</div>");
}
else if (days == 0) {
	document.write("<div><span>1</span> day left until " + description + "</div>");
}
else {
	document.write("<div><span>Santa hated your cookies.</span></div>");
};