function artikelimg(url)
{
    artikel = window.open('include/artikel_img.php?url='+url,'Artikel','scrollbars=no,width=300,height=500');
    artikel.focus;
}

function pay(payment_method,VID,merchantid,orderid,price,currency,response,hash)
{
    payment = window.open('https://cr.sk-koeln.de/powercash21/continue_payment','Payment','scrollbars=no,width=500,height=500');
    payment.focus;
}

function gopay()
{
    var payment_method = document.sk_koeln.payment_method.value;
    var VID = document.sk_koeln.VID.value;
    var merchantid = document.sk_koeln.merchantid.value;
    var orderid = document.sk_koeln.orderid.value;
    var price = document.sk_koeln.price.value;
    var currency = document.sk_koeln.currency.value;
    var response = document.sk_koeln.response.value;
    var hash = document.sk_koeln.hash.value;
    var checked = true;


    if (checked)
    {
        document.sk_koeln.method = "post";
        document.sk_koeln.action = "https://cr.sk-koeln.de/powercash21/continue_payment";
        //document.sk_koeln.action = "success.php";
        document.sk_koeln.submit();
    }

    return checked;
}

function checkForm(form)
{
    var result = true;
    var reply  = "";

    if(form.vorname.value == "")
    {
        result = false;
        reply  = reply + "\n- Vorname";
    }

    if(form.nachname.value == "")
    {
        result = false;
        reply  = reply + "\n- Nachname";
    }

    if(form.strasse.value == "")
    {
        result = false;
        reply  = reply + "\n- Strasse";
    }

    if(form.plz.value == "")
    {
        result = false;
        reply  = reply + "\n- PLZ";
    }

    if(form.ort.value == "")
    {
        result = false;
        reply  = reply + "\n- Ort";
    }

    if(form.telefon.value == "")
    {
        result = false;
        reply  = reply + "\n- Telefon";
    }

    if(form.email.value == "")
    {
        result = false;
        reply  = reply + "\n- E-Mail";
    }

    if(!result)
    {
        alert("Folgende Felder müssen noch ausgefüllt werden:\n" + reply);
    }

    return(result);
}