function pruefung_gza(formular)
{
	if (
		(
		   (formular.name.value=="")
		|| (formular.vorname.value=="")
		|| (formular.strasse.value=="")
		|| (formular.ort.value=="")
		|| (formular.TELpriv.value=="")
		)	
	
		&&

		(formular.email.value == "")
		
	)


{
alert ("Bitte füllen sie entweder die Adressfelder vollständig aus oder geben Sie eine gültige E-Mail Adresse an.")
return false
}


if (		(formular.b94.checked)
	||	(formular.ah102.checked)
	||	(formular.efs105.checked)
	||	(formular.efs107.checked)
	||	(formular.efc130.checked)
	||	(formular.efc145.checked)
	||	(formular.efc162.checked)
	||	(formular.dhs100.checked)
	||	(formular.dhs118.checked)
	)

{
return true;
}


else 


{
alert ("Für welche(n) Haustyp(en) interessieren Sie sich?")
return false
}

}