--- userpoints.module	2009-11-04 22:36:30.000000000 -0800
+++ userpoints.module.newish	2009-11-04 22:36:16.000000000 -0800
@@ -40,6 +40,7 @@ define('USERPOINTS_CATEGORY_DEFAULT_TID'
 define('USERPOINTS_CATEGORY_PROFILE_DISPLAY_TID', 'userpoints_category_profile_display_tid');
 define('USERPOINTS_TRANSACTION_TIMESTAMP', 'userpoints_transaction_timestamp');
 
+define('USERPOINTS_USERS_POINTS_BLOCK_CACHE', 'userpoints_users_points_block_cache');
 
 /**
  * Purpose: Returns an array of common translation placeholders
@@ -1511,14 +1512,15 @@ function userpoints_block($op = 'list', 
   global $user;
 
   switch ($op) {
+  
     case 'list':
       $blocks[-1]['info'] = t('User\'s !points', userpoints_translation());
+      $blocks[-1]['cache'] = variable_get(USERPOINTS_USERS_POINTS_BLOCK_CACHE, 1);
       //Grab a list of the available terms
       $terms = userpoints_get_categories();
       foreach ($terms as $key => $value) {
-        $blocks[$key]['info'] = t("Highest $value !points", userpoints_translation());; 
-      } //foreach
-      
+        $blocks[$key]['info'] = t("Highest $value !points", userpoints_translation());
+      } //foreach      
       return $blocks;
 
     case 'view':
@@ -1565,7 +1567,23 @@ function userpoints_block($op = 'list', 
         $block['content'] = $content;
 
         return $block;
+      
     case 'configure':
+      if ($delta == -1) {
+      $form['up_block_cache'] = array(
+        '#type' => 'select',
+        '#title' => t('Cache Type'),
+        '#default_value' => variable_get(USERPOINTS_USERS_POINTS_BLOCK_CACHE, 1),
+        '#options' => array(
+          1 => 'BLOCK_CACHE_PER_ROLE',
+          2 => 'BLOCK_CACHE_PER_USER',
+          4 => 'BLOCK_CACHE_PER_PAGE',
+          8 => 'BLOCK_CACHE_GLOBAL',
+          -1 => 'BLOCK_NO_CACHE',
+        ),
+        '#description' => t('Choose the type of caching for this block. For more information on caching types please visit: <a href="http://api.drupal.org/api/function/hook_block/6">http://api.drupal.org/api/function/hook_block/6</a>'),
+      );
+      } else {
       $form['up_records'] = array(
         '#type' => 'select',
         '#title' => t('Number of users to display'),
@@ -1577,13 +1595,22 @@ function userpoints_block($op = 'list', 
         ),
         '#description' => t('Limit the number of users displayed to this value'),
       );
+      }
       return $form;
       break;
+      
     case 'save':
-      variable_set('userpoints_block_up_records_'. $delta, $edit['up_records']);
+      if ($delta == -1) {
+       variable_set(USERPOINTS_USERS_POINTS_BLOCK_CACHE, $edit['up_block_cache']);
+       db_query("UPDATE {blocks} SET cache= %s WHERE module= %d AND delta= %d", $edit['up_block_cache'], 'userpoints', -1);
+       break;
+      } else {
+       variable_set('userpoints_block_up_records_'. $delta, $edit['up_records']);
       break;
+      }
   } //switch $op
 }
+
 /*
  * returns an array of possible expiry times
  * to the administrative settings page