--- cron.php.old	2006-09-27 18:49:38.182728117 +0100
+++ cron.php	2006-09-27 18:54:24.940787313 +0100
@@ -129,11 +129,13 @@
     
         /// Delete users who haven't confirmed within required period
 
-        $oneweek = $timenow - ($CFG->deleteunconfirmed * 3600);
-        if ($users = get_users_unconfirmed($oneweek)) {
-            foreach ($users as $user) {
-                if (delete_records('user', 'id', $user->id)) {
-                    mtrace("Deleted unconfirmed user for ".fullname($user, true)." ($user->id)");
+        if ($CFG->deleteunconfirmed) { // value in hours
+            $oneweek = $timenow - ($CFG->deleteunconfirmed * 3600);
+            if ($users = get_users_unconfirmed($oneweek)) {
+                foreach ($users as $user) {
+                    if (delete_records('user', 'id', $user->id)) {
+                        mtrace("Deleted unconfirmed user for ".fullname($user, true)." ($user->id)");
+                    }
                 }
             }
         }
@@ -143,11 +145,13 @@
 
         /// Delete users who haven't completed profile within required period
 
-        $oneweek = $timenow - ($CFG->deleteunconfirmed * 3600);
-        if ($users = get_users_not_fully_set_up($oneweek)) {
-            foreach ($users as $user) {
-                if (delete_records('user', 'id', $user->id)) {
-                    mtrace("Deleted not fully setup user $user->username ($user->id)");
+        if ($CFG->deleteunconfirmed) { // value in hours
+            $oneweek = $timenow - ($CFG->deleteunconfirmed * 3600);
+            if ($users = get_users_not_fully_set_up($oneweek)) {
+                foreach ($users as $user) {
+                    if (delete_records('user', 'id', $user->id)) {
+                        mtrace("Deleted not fully setup user $user->username ($user->id)");
+                    }
                 }
             }
         }