function getTimeFormat(x) {
	if(x < 10)
		return "0" + x;
	else
		return x;
}

function counter() {
	textBox = document.getElementById("counter");
	textBox.innerHTML = event + ": " + days + " Tage " + getTimeFormat(hours) + ":" + getTimeFormat(minutes) + ":" + getTimeFormat(seconds);
	
	if(seconds > 0 || minutes > 0 || hours > 0 || days > 0) {
		seconds--;
		if(seconds < 0) {
			seconds = 59;
			minutes--;
			if(minutes < 0) {
				minutes = 59;
				hours--;
				if(hours < 0) {
					hours = 23;
					days--;
					if(days < 0) {
						days = 0;
						hours = 0;
						minutes = 0;
						seconds = 0;
					}
				}
			}
		}
		setTimeout('counter()', 1000);
	}
}

window.onload = function() {
	counter();
}