function checkform_item()
{
	if( document.form.mail_name.value == '' ) {
		alert('Name is missing, fill in name and try again.');
		return false;
	} else if ( document.form.mail_email_telefon.value == '' ) {
		alert('Telephone Number or E-mail, fill in name and try again.');
		return false;
	}

	return true;
}