I have been using this script to send emails to certain staff but because of changes to my system i have to now send attachements with the email and i have tried multipul pe
you need to provide the full path of the file and the filename functions excepts two/three arguments
// Setup mail class, recipients and body
$mailer->AddAttachment('/home/mywebsite/public_html/file.zip', 'file.zip');
http://www.askapache.com/php/phpfreaks-eric-rosebrocks-phpmailer-tutorial.html#File_Attachments_PHP_Mail_PHPMailer