public function deleteAction()
{
if ($this->getRequest()->getParam("role_id")) {
$role = new Acl_Model_Role();
$role->find($this->getRequest()->getParam("role_id"));
$role->delete();
$data = array("success" => true, "message" => $this->_("Your role has been successfully deleted"));
} else {
$data = array("error" => true, "message" => $this->_("An error occurred while deleting your role. please try again later"));
}
$this->_sendHtml($data);
}