function checkForm() {
	//allready_confirmed;
	
    var errors = "";
	if (document.kontaktformular.contact_name.value == "") {
	  errors += "Ihr Name\n";
	};
	if (document.kontaktformular.contact_firm.value == "") {
	  errors += "Ihre Firma\n";
	};
	if (document.kontaktformular.contact_street.value == "") {
	  errors += "Ihre Straße\n";
	};
	if (document.kontaktformular.contact_plz.value == "") {
	  errors += "Ihre Postleitzahl\n";
	};
	if (document.kontaktformular.contact_city.value == "") {
	  errors += "Ihr Wohnort\n";
	};
	if (document.kontaktformular.contact_fon.value == "") {
	  errors += "Ihre Telefonnummer\n";
	};
	if (document.kontaktformular.contact_fax.value == "") {
	  errors += "Ihre Faxnummer\n";
	};
	if (document.kontaktformular.contact_email.value == "") {
	  errors += "Ihre E-Mail-Adresse\n";
	};
	if (document.kontaktformular.contact_inquiry.value == "") {
	  errors += "Ihre Nachricht an uns\n";
	};
	
	if (errors != "") {
	  alert("Folgende Felder müssen noch ausgefüllt werden:\n\n" + errors);
	  return false;
	}
	else {
	  return true;
	};
	
}

function cleanForm() {
	document.kontaktformular.contact_name.value = "";
	document.kontaktformular.contact_firm.value = "";
	document.kontaktformular.contact_street.value = "";
	document.kontaktformular.contact_plz.value = "";
	document.kontaktformular.contact_city.value = "";
	document.kontaktformular.contact_fon.value = "";
	document.kontaktformular.contact_fax.value = "";
	document.kontaktformular.contact_email.value = "";
	document.kontaktformular.contact_inquiry.value = "";
}