Index: popup_message.admin.inc
===================================================================
43a44,52
>   $form['popup_message_enable'] = array(
>     '#type' => 'radios',
>     '#title' => t('Enable Popup'),
>     '#default_value' => variable_get('popup_message_enable', 1),
>     '#options' => array(
>       TRUE => t('Enabled'),
>       FALSE => t('Disabled'),
>     ),
>   );
Index: popup_message.module
===================================================================
59c59,60
<   if ($permission) {
---
>   $enabled = variable_get('popup_message_enable', 1);
>   if ($enabled && $permission) {
Index: popup_message.install
===================================================================
40a41
>   variable_del('popup_message_enable');