<?php
require_once('includes/class_vcard.php');
include("includes/ConvertCharset.class.php");

$FromCharset = "utf-8";
$ToCharset = "iso-8859-7";
$utf8_to_iso88597 = new ConvertCharset($FromCharset, $ToCharset);

$vc = new vcard();

/*
The secret here is to name your form fields exactly the same as the vCard
data key names in the class.
*/
foreach ($_POST as $key=>$val) {
  $vc->data[$key] = $utf8_to_iso88597->Convert($val);
}

$vc->download();

?>