function isFeldvoll() {

	if (document.mailform.firma.value == "")
		var firma = "- Firmenname"
	if (document.mailform.firma.value != "")
		var firma = ""
    
	if (document.mailform.Vorname.value == "")
		var Vorname = "- Vorname"
	if (document.mailform.Vorname.value != "")
		var Vorname = ""
		
	if (document.mailform.Nachname.value == "")
		var Nachname = "- Nachname"
	if (document.mailform.Nachname.value != "")
		var Nachname = ""
	
	if (document.mailform.Strasse.value == "")
		var Strasse = "- Strasse"
	if (document.mailform.Strasse.value != "")
		var Strasse = ""

	if (document.mailform.PLZ.value == "")
		var PLZ = "- Postleitzahl"
	if (document.mailform.PLZ.value != "")
		var PLZ = ""
		
	if (document.mailform.Ort.value == "")
		var Ort = "- Ort"
	if (document.mailform.Ort.value != "")
		var Ort = ""
    
	if (document.mailform.datum.value == "")
		var datum = "- Datum"
	if (document.mailform.datum.value != "")
		var datum = ""
		
	if (document.mailform.Personen.value == "")
		var Personen = "- Anzahl Personen"
	if (document.mailform.Personen.value != "")
		var Personen = ""
		
	if (document.mailform.Telefon.value == "")
		var Telefon = "- Telefonnummer"
	if (document.mailform.Telefon.value != "")
		var Telefon = ""

    if (document.mailform.email.value == "")
		var email = "- E-Mail"
	if (document.mailform.email.value != "")
		var email = ""
	
		alert("Bitte fuellen Sie noch folgende Felder aus:\n"+ firma + "\n" + Vorname + "\n" + Nachname + "\n" + Strasse + "\n" + PLZ + "\n" + Ort + "\n" + Telefon + "\n" + email  + "\n" + datum + "\n" + Personen);
		return false;
	
}

function testimonia() { 

	if((document.mailform.Vorname.value != "") && (document.mailform.Nachname.value != "") && (document.mailform.Strasse.value != "") && (document.mailform.PLZ.value != "") && (document.mailform.Ort.value != "") && (document.mailform.Telefon.value != "") && (document.mailform.Personen.value != "") && (document.mailform.Kurs.value != "") && (document.mailform.email.value != "") && !(document.mailform.email.value.indexOf("@") == -1) && (document.mailform.Betrag.checked == true) && (document.mailform.AGB.checked == true))
	{
		return true;
	}
		else
	{
		isFeldvoll();
		return false;
	}
}