Index: user_reference/user_reference.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/references/user_reference/user_reference.module,v
retrieving revision 1.1
diff -u -p -r1.1 user_reference.module
--- user_reference/user_reference.module	6 Dec 2010 21:28:17 -0000	1.1
+++ user_reference/user_reference.module	25 Jan 2011 20:24:34 -0000
@@ -79,9 +79,10 @@ function user_reference_field_settings_f
     '#title' => t('User status that can be referenced'),
     '#default_value' => is_array($settings['referenceable_status'])
       ? array_filter($settings['referenceable_status'])
-      : array(1),
-    '#options' => array(1 => t('Active'), 0 => t('Blocked')),
+      : array('active'),
+    '#options' => array('active' => t('Active'), 'blocked' => t('Blocked')),
     '#disabled' => $has_data,
+    '#description' => t('If any checkbox is checked, only users with that status will be referenceable. If none or both are checked, all users will be referenceable.')
   );
   return $form;
 }
@@ -447,7 +448,15 @@ function _user_reference_potential_refer
   $query->addMetaData('id', ' _user_reference_potential_references_standard');
 
   if (is_array($field['settings']['referenceable_status'])) {
-    $query->condition('u.status', $field['settings']['referenceable_status']);
+    $allowed = array();
+    foreach (array('active' => 1, 'blocked' => 0) as $name => $value) {
+      if ($field['settings']['referenceable_status'][$name] === $name) {
+        $allowed[$name] = $value;
+      }
+    }
+    if (!empty($allowed)) {
+      $query->condition('u.status', $allowed, 'IN');
+    }
   }
 
   if (is_array($field['settings']['referenceable_roles']) && (!in_array(DRUPAL_AUTHENTICATED_RID, $field['settings']['referenceable_roles']))) {