--- invite_admin.inc-orig	2009-06-03 06:01:15.000000000 -0400
+++ invite_admin.inc	2009-06-03 06:04:30.000000000 -0400
@@ -67,12 +67,12 @@
       '#required' => TRUE,
     );
     $form['role'][$role_no_space]['invite_maxnum_'. $role_no_space] = array(
-      '#type' => 'select',
+      '#type' => 'textfield',
       '#title' => t('Invitation limit'),
       '#default_value' => variable_get('invite_maxnum_'. $role_no_space, INVITE_UNLIMITED),
-      '#options' => array(5 => 5, 10 => 10, 20 => 20, 50 => 50, 100 => 100, 500 => 500, 1000 => 1000, INVITE_UNLIMITED => t('unlimited')),
-      '#description' => t('Allows to limit the total number of invitations members of %role can send.', array('%role' => $role)),
-      '#multiple' => FALSE,
+      '#size' => 10,
+      '#maxlength' => 10,
+      '#description' => t('Allows to limit the total number of invitations members of %role can send. Enter <em>%unlimited</em> for unlimited number of invitations.', array('%role' => $role, '%unlimited' => INVITE_UNLIMITED)),
       '#required' => TRUE,
     );
   }