var PizzaGrund = 4.50; 	

var PizzaBelag = new Array(); 	
var Pizzaold = new Array(); 
var PizzaKurz = new Array(); 
var PizzaGesamt = "";
var preis_sicher =  "";


/* Belag addieren */
function Pizzaadd(Pizzawas,Pizzawert,Pizzaku)
{
PizzaBelag.push(Pizzawas);
PizzaKurz.push(Pizzaku);
Pizzaold.push(Pizzawert);
document.getElementById('Pizzabelag').value=PizzaBelag;
document.getElementById('Pizzibelag').innerHTML = PizzaBelag;
document.getElementById('Pizzakurz').value=PizzaKurz;
PizzaGesamt = PizzaGrund + Pizzawert;
PizzaGrund = (Math.round(PizzaGesamt * 1000) / 1000);
var Pizzak = (Math.round(PizzaGesamt * 100) / 100).toString();
 Pizzak += (Pizzak.indexOf('.') == -1)? '.00' : '00';
Pizzak = Pizzak.substring(0, Pizzak.indexOf('.') + 3);
document.getElementById('Pizzapreis').value=Pizzak;
document.getElementById('Pizzipreis').innerHTML = Pizzak;
	preis_sicher = Pizzak;
}

/* Letzten Belag löschen */
function Pizzadel()
{
PizzaBelag.pop();
PizzaKurz.pop();
Pizzawert = 0;
Pizzawert = Pizzaold.pop();

if (isNaN(Pizzawert))
	{}
else
	{
	PizzaGrund = PizzaGesamt - Pizzawert;
	PizzaGesamt = PizzaGrund;
	var Pizzak = (Math.round(PizzaGrund * 100) / 100).toString();
	  Pizzak += (Pizzak.indexOf('.') == -1)? '.00' : '00';
	Pizzak = Pizzak.substring(0, Pizzak.indexOf('.') + 3);

	document.getElementById('Pizzapreis').value=Pizzak;
	document.getElementById('Pizzipreis').innerHTML = Pizzak;
	document.getElementById('Pizzabelag').value=PizzaBelag;
	document.getElementById('Pizzibelag').innerHTML = PizzaBelag;
	document.getElementById('Pizzakurz').value=PizzaKurz;
		preis_sicher = Pizzak;
	}
}
/* Alles löschen */
function Pizzaneu()
{
PizzaBelag = ""; 	
Pizzaold = ""; 
PizzaKurz = ""; 
PizzaBelag = new Array();
Pizzaold = new Array();
PizzaKurz = new Array();
document.getElementById('Pizzabelag').value=PizzaBelag;
document.getElementById('Pizzibelag').innerHTML = PizzaBelag;
document.getElementById('Pizzakurz').value=PizzaKurz;
PizzaGrund = 4.5;
var Pizzak = (Math.round(PizzaGrund * 100) / 100).toString();
Pizzak += (Pizzak.indexOf('.') == -1)? '.00' : '00';
Pizzak = Pizzak.substring(0, Pizzak.indexOf('.') + 3);
document.getElementById('Pizzapreis').value=Pizzak;
document.getElementById('Pizzipreis').innerHTML = Pizzak;
document.getElementById('anzahl').value=1;
	preis_sicher = Pizzak;
}

function Pizza_formweg() {
	document.getElementById('Pizzabelag').value=PizzaBelag;
	document.getElementById('Pizzapreis').value=preis_sicher;
	document.pizzie.submit();
}