--- customfilter.import.inc.orig	2009-06-25 14:55:11.000000000 +0200
+++ customfilter.import.inc	2009-07-05 18:11:35.000000000 +0200
@@ -26,7 +26,7 @@
     '#title' => t('Import data'),
     '#description' => t('Paste the text you obtained from the export form.'),
     '#cols' => 60,
-    '#value' => '',
+    '#default_value' => '',
     '#rows' => 40,
     '#required' => TRUE,
   );
@@ -61,7 +61,7 @@
 function _customfilter_map_filter_id($id) {
   static $fids = array();
   
-  if (isset($fids[$id])) {
+  if (!isset($fids[$id])) {
     $fids[$id] = (integer) db_result(db_query("SELECT MAX(fid) FROM {customfilter_filters}")) + 1;
   }
   
@@ -71,7 +71,7 @@
 function _customfilter_map_rule_id($id) {
   static $rids = array();
   
-  if (isset($rids[$id])) {
+  if (!isset($rids[$id])) {
     $rids[$id] = (integer) db_result(db_query("SELECT MAX(rid) FROM {customfilter_rules}")) + 1;
   }