var millisPerMinute = 1000*60;
var millisPerHour = millisPerMinute*60;
var millisPerDay = millisPerHour*24;

var tuition = 61205;
var totalDays = 525;
var targetDate = new Date();
targetDate.setFullYear(2008,6,2);
targetDate.setHours(0);
targetDate.setMinutes(0);
targetDate.setSeconds(0);
targetDate.setMilliseconds(0);

var ratePerSecond = tuition / (totalDays * 60*60*24);
var startDate = new Date(targetDate.getTime() - (totalDays*millisPerDay));

Event.observe(window, "load", onLoad)

function onLoad() {
	update();
	new PeriodicalExecuter(function(pe) {
		update();
	}, 1);			
}
		
function update() {
	var now = new Date();
	var secondsSinceStart = (now.getTime() - startDate.getTime()) / 1000;
	var totalSoFar = secondsSinceStart * ratePerSecond;
	totalSoFar = totalSoFar.toFixed(2);
	$('counter').innerHTML = "$" + addCommas(totalSoFar);						

	var remaining = tuition - totalSoFar;
	remaining = remaining.toFixed(2);
	$('remaining').innerHTML = "$" + addCommas(remaining);
}

function addCommas(nStr) {
	nStr += '';
	x = nStr.split('.');
	x1 = x[0];
	x2 = x.length > 1 ? '.' + x[1] : '';
	var rgx = /(\d+)(\d{3})/;
	while (rgx.test(x1)) {
		x1 = x1.replace(rgx, '$1' + ',' + '$2');
	}
	return x1 + x2;
}