//pear sned function
function send($recipients, $headers, $body)
    {
        include_once 'Net/SMTP.php';


        /* If we don't already have an SMTP object, create one. */
        if (is_object($this->_smtp) === false) {
            $this->_smtp =& new Net_SMTP($this->host, $this->port,
                                         $this->localhost);

            /* If we still don't have an SMTP object at this point, fail. */
            if (is_object($this->_smtp) === false) {
                return PEAR::raiseError('Failed to create a Net_SMTP object',
                                        PEAR_MAIL_SMTP_ERROR_CREATE);
            }

            /* Configure the SMTP connection. */
            if ($this->debug) {
                $this->_smtp->setDebug(true);
            }
            $id = Gtk::timeout_add(200,'progress_bar_activity');
            /* Attempt to connect to the configured SMTP server. */
            if (PEAR::isError($res = $this->_smtp->connect($this->timeout))) {
                $error = $this->_error('Failed to connect to ' .
                                       $this->host . ':' . $this->port,
                                       $res);
                return PEAR::raiseError($error, PEAR_MAIL_SMTP_ERROR_CONNECT);
            }
            echo '2';
            /* Attempt to authenticate if authentication has been enabled. */
            if ($this->auth) {
                $method = is_string($this->auth) ? $this->auth : '';

                if (PEAR::isError($res = $this->_smtp->auth($this->username,
                                                            $this->password,
                                                            $method))) {
                    $error = $this->_error("$method authentication failure",
                                           $res);
                    $this->_smtp->rset();
                    return PEAR::raiseError($error, PEAR_MAIL_SMTP_ERROR_AUTH);
                }
            }
        }
        $this->_sanitizeHeaders($headers);
        $headerElements = $this->prepareHeaders($headers);
        if (PEAR::isError($headerElements)) {
            $this->_smtp->rset();
            return $headerElements;
        }
        list($from, $textHeaders) = $headerElements;
        /* Since few MTAs are going to allow this header to be forged
         * unless it's in the MAIL FROM: exchange, we'll use
         * Return-Path instead of From: if it's set. */
        if (!empty($headers['Return-Path'])) {
            $from = $headers['Return-Path'];
        }
        if (!isset($from)) {
            $this->_smtp->rset();
            return PEAR::raiseError('No From: address has been provided',
                                    PEAR_MAIL_SMTP_ERROR_FROM);
        }
        $args['verp'] = $this->verp;
        if (PEAR::isError($res = $this->_smtp->mailFrom($from, $args))) {
            $error = $this->_error("Failed to set sender: $from", $res);
            $this->_smtp->rset();
            return PEAR::raiseError($error, PEAR_MAIL_SMTP_ERROR_SENDER);
        }
                    $recipients = $this->parseRecipients($recipients);
        if (PEAR::isError($recipients)) {
            $this->_smtp->rset();
            return $recipients;
        }
        foreach ($recipients as $recipient) {
            if (PEAR::isError($res = $this->_smtp->rcptTo($recipient))) {
                $error = $this->_error("Failed to add recipient: $recipient",
                                       $res);
                $this->_smtp->rset();
                return PEAR::raiseError($error, PEAR_MAIL_SMTP_ERROR_RECIPIENT);
            }
        }
        /* Send the message's headers and the body as SMTP data. */
        if (PEAR::isError($res = $this->_smtp->data($textHeaders . "\r\n\r\n" . $body))) {
            $error = $this->_error('Failed to send data', $res);
            $this->_smtp->rset();
            return PEAR::raiseError($error, PEAR_MAIL_SMTP_ERROR_DATA);
        }
        /* If persistent connections are disabled, destroy our SMTP object. */
        if ($this->persist === false) {
            $this->disconnect();
        }
        Gtk::timeout_remove($id);
        return true;
    }

//progress bar function
 //function progress_bar activity
  function progress_bar_activity() {
   global $progress_bar;
   $progress_bar->pulse();
   return true;
  }