Index: menu_stp.module
===================================================================
--- menu_stp.module	Revision(HEAD)
+++ menu_stp.module	Revision(HEAD)
@@ -162,7 +162,7 @@
       if($mi['pid']) {
       	$mids[] = $mi['pid'];
       }
-      $mid = $row['pid'];
+      $mid = $mi['pid'];
     } while($mid);
   }
   $ridstr = implode(',', $rids);