function checkForm() {
	//allready_confirmed;
	
    var errors = "";
	if (document.kontaktformular.contact_name.value == "") {
	  errors += "Your name\n";
	};
	if (document.kontaktformular.contact_firm.value == "") {
	  errors += "Your company\n";
	};
	if (document.kontaktformular.contact_street.value == "") {
	  errors += "Your street\n";
	};
	if (document.kontaktformular.contact_plz.value == "") {
	  errors += "Your post code\n";
	};
	if (document.kontaktformular.contact_city.value == "") {
	  errors += "Your city\n";
	};
	if (document.kontaktformular.contact_fon.value == "") {
	  errors += "Your phone number\n";
	};
	if (document.kontaktformular.contact_fax.value == "") {
	  errors += "Your fax number\n";
	};
	if (document.kontaktformular.contact_email.value == "") {
	  errors += "Your e-mail address\n";
	};
	if (document.kontaktformular.contact_inquiry.value == "") {
	  errors += "Your message sent to us\n";
	};
	
	if (errors != "") {
	  alert("The following fields must still be filled in:\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 = "";
}