function updatePrice() {

var numbers = new Array(10);
    numbers[0] = "eine";
    numbers[1] = "zwei";
    numbers[2] = "drei";
    numbers[3] = "vier";
    numbers[4] = "fünf";
    numbers[5] = "sechs";
    numbers[6] = "sieben";
    numbers[7] = "acht";
    numbers[8] = "neun";
    numbers[9] = "zehn";

var concertCard = new Array(2);
    concertCard[0] = "Konzertkarte";
    concertCard[1] = "Konzertkarten";

var price = 7;

	var numberOfCards = document.getElementById("nocc").selectedIndex + 1;
	document.getElementById("price").innerHTML = (numberOfCards * price) + " Euro";
	
	if(numberOfCards == 1)
		document.getElementById("numberCards").innerHTML = " <b>" + numbers[numberOfCards - 1] + "</b> " + concertCard[0];
	else
		document.getElementById("numberCards").innerHTML = " <b>" + numbers[numberOfCards - 1] + "</b> " + concertCard[1];	
}

function updateEmail()
{
	var email  = document.getElementById("email") .value;
	var email2 = document.getElementById("email2").value;
	if(email == email2)
		document.getElementById("fontEmail2").color = "green";
	else
		document.getElementById("fontEmail2").color = "red";
}