/**
 * Obfuscate an email address
 *
 * @author      Aidan Lister 
 * @version     1.1.0
 * @link        http://aidanlister.com/2004/04/quick-javascript-email-obfuscation/
 * @param       string      $email      E-mail
 * @param       string      $text       Text
 */
function mail_obfuscate($email, $text = '')
{
    // Default text
    if (empty($text)) {
        $text = $email;
    }
     
    // Create string
    $string = sprintf('document.write('%s');',
            htmlspecialchars($email),
            htmlspecialchars($text));
 
    // Encode   
    for ($encode = '', $i = 0; $i < strlen($string); $i++) {
        $encode .= '%' . bin2hex($string[$i]);
    }
 
    // Javascript
    $javascript = '';
 
    return $javascript;
}