function hello() {
	alert("Hello");
}

function addToCart(pizzaname) {
	var warenkorb = document.getElementById("warenkorb");
	var newElem = document.createElement("option");
	var newText = document.createTextNode(pizzaname);
	var dummyElem = document.getElementById("dummy");
	newElem.appendChild(newText);
	if (dummyElem != null)
	{
		warenkorb.removeChild(dummyElem);
	}
	warenkorb.appendChild(newElem);
	newElem.id="opt"+eval(warenkorb.length);
 	sumCart();
}

function delFromCart() {
	var warenkorb = document.getElementById("warenkorb");
	for (i=warenkorb.length-1;i>=0;i--)
	{
		if (warenkorb.options[i].selected == true)
			warenkorb.removeChild(warenkorb.options[i]);
	}
	sumCart();
}

function checkAddr() {
	var ka = document.getElementById("kd_adr");
	if ((ka.value == "") || (ka.value == "Ihre Adresse"))
	{
		alert ("Bitte Adresse korrigieren");
		return false;
	}
	else
		return true;
}

function allePizzen() {
	var aPizzaname = new Array ("Salami","Hawaii","Tonno","Marghetita");
	//this.pizza_getPreis(pizzaname);
	//this.pizza_showAll();
	this.getPreis=pizza_getPreis;
}

function preisliste() {
	var aPizzen=new Array();
	aPizzen["Salami"]=4.50;
	aPizzen["Hawaii"]=4.50;
	aPizzen["Tonno"]=5.00;
	aPizzen["Marghetita"]=4.00;
	return aPizzen;
}

function pizza_getPreis(pizzaname) {
	var pl = preisliste();
	return pl[pizzaname];
}

function sumCart() {
	// loop over all pizza in cart
	// print total price
	var ap = new allePizzen();
	var sum=0;
	var warenkorb = document.getElementById("warenkorb");
	//alert(warenkorb.length);
	//for (i=0;i<warenkorb.length;i++)
	for (i=0;i<warenkorb.length;i++)
	{
		sum= sum+ap.getPreis(warenkorb.options[i].text);
	}
	//alert(sum);
	var elem = document.getElementById("ausgabe_preis");
	//elem.textContent=String(sum.toFixed(2))+" €";
	elem.innerHTML=String(sum.toFixed(2))+" €";
}

function selectAll() {
	//var warenkorb = document.getElementById("warenkorb");
	//alert(warenkorb.length);
	//for (i=0;i<warenkorb.length;i++)
	//for (i=0;i<warenkorb.length;i++)
	//{
		//warenkorb.options[i].selected=true;
	//}
}

function deleteAll() {
	var warenkorb = document.getElementById("warenkorb");
	for (i=warenkorb.length-1;i>=0;i--)
	{
		warenkorb.removeChild(warenkorb.options[i]);
	}
	sumCart();
}