--- google_admanager.module	2008-11-21 17:55:42.000000000 -0500
+++ google_admanager-fix.module	2008-11-21 17:56:14.000000000 -0500
@@ -12,7 +12,7 @@ function google_admanager_block($op = 'l
   $id = variable_get('google_admanager_account', '');
   if (!empty($id)) {
     $ad_slots = variable_get('google_admanager_ad_slots', '');
-    $ad_slots = explode ("\n", str_replace("\r", '', trim($ad_slots)));
+    $ad_slots = explode("\n", str_replace(array("\r", "\t", "\0", "\x0B", " "), '', $ad_slots));
     if ($op == 'list') {
       foreach($ad_slots as $ad_slot) {
         $blocks[] = array(
