function checknews(formname, produkt_id)
{
    form = eval("document." + formname);

    text="- Bitte "+unescape("%FCberpr%FCfen")+" Sie Ihre Email-Adresse!";
    if(form.email.value.search(/^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[\._a-zA-Z0-9-]+\.([a-zA-Z]{2,4})$/)!=0)
    {
        window.alert(text);
        return false;
    }

    if(form.aktionskuerzel && form.aktionskuerzel.value != "")
        var aktionskuerzel = form.aktionskuerzel.value;
    else
        var aktionskuerzel = "41957";


    /*alert(form.kb.type);*/

    if(produkt_id=="")
    {
        if((form.bacba && form.bacba.checked) || (form.bacba && form.bacba.type=="hidden"))
        {
            produkt_id += "1000002@";
        }

        if((form.za && form.za.checked) || (form.za && form.za.type=="hidden"))
        {
            produkt_id += "1000021@";
        }

        if((form.aa && form.aa.checked) || (form.aa && form.aa.type=="hidden"))
        {
            produkt_id += "1000023@";
        }

        if((form.ta && form.ta.checked) || (form.ta && form.ta.type=="hidden"))
        {
            produkt_id += "1000022@";
        }

        if((form.da && form.da.checked) || (form.da && form.da.type=="hidden"))
        {
            produkt_id += "1000028@";
        }

        if((form.kb && form.kb.checked) || (form.kb && form.kb.type=="hidden"))
        {
            produkt_id += "1000030@";
        }
        if((form.etfa && form.etfa.checked) || (form.etfa && form.etfa.type=="hidden"))
        {
            produkt_id += "1000025@";
        }

        if((form.ams && form.ams.checked) || (form.ams && form.ams.type=="hidden"))
        {
            produkt_id += "1000032@";
        }

        if((form.str && form.str.checked) || (form.str && form.str.type=="hidden"))
        {
            produkt_id += "1000033@";
        }

        if((form.magazin && form.magazin.checked) || (form.magazin && form.magazin.type=="hidden"))
        {
            produkt_id += "1000006@";
        }

        if((form.daily && form.daily.checked) || (form.daily && form.daily.type=="hidden"))
        {
            produkt_id += "1000005@";
        }

        if((form.ra && form.ra.checked) || (form.ra && form.ra.type=="hidden"))
        {
            produkt_id += "1000031@";
        }            
        if((form.dva && form.dva.checked) || (form.dva && form.dva.type=="hidden"))
        {
            produkt_id += "1000034@";
        }

        if((form.tua && form.tua.checked) || (form.tua && form.tua.type=="hidden"))
        {
            produkt_id += "1000035@";
        }
    }

    var email=form.email.value;

    if(produkt_id=="1000002@")
    {
        a = window.open(WWW_URL+"boersennewsletter/nl_bestellung.php?action=an&produkt_id="+produkt_id+"&email="+email+"&aktionskuerzel="+aktionskuerzel,"","width=720,height=580,scrollbars=no");
    }
    else
    {
        a = window.open(WWW_URL+"boersennewsletter/nl_bestellung.php?action=an&produkt_id="+produkt_id+"&email="+email+"&aktionskuerzel="+aktionskuerzel,"","width=580,height=390,scrollbars=no");
    }

    a.focus();
    return false;
}