lv = new LoadVars();
reply_lv = new LoadVars();
lv['email'] = 'ben@incomumdesign.com'
lv['subject'] = 'Contato site'
lv['message'] = 'Some message'
reply_lv.onLoad = function(success) {
  if (success && this.success.toString() == "true") { successCallback(); } else { errorCallback() }
}
lv.sendAndLoad("/script/email.php", reply_lv, "GET");