--- loncom/interface/loncommon.pm	2006/12/11 03:43:15	1.490
+++ loncom/interface/loncommon.pm	2006/12/11 21:16:32	1.491
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.490 2006/12/11 03:43:15 raeburn Exp $
+# $Id: loncommon.pm,v 1.491 2006/12/11 21:16:32 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -3009,7 +3009,7 @@ sub blockcheck {
         }
         # if they have the evb priv and are currently not playing student
         next if (($no_ownblock) &&
-                 ($env{'request.role'} !~ m{^st\./$cdom/$cnum}));
+                 ($env{'request.role'} !~ m{^st\./\Q$cdom\E/\Q$cnum\E}));
         next if ($no_userblock);
 
         # Retrieve blocking times and identity of blocker for course
@@ -3037,11 +3037,11 @@ sub get_blocks {
             if ($blocks->{$activity} eq 'on') {
                 push(@{$$setters{$course}{'staff'}},[$staff_name,$staff_dom]);
                 push(@{$$setters{$course}{'times'}}, [$start,$end]);
-                if ( ($startblock == 0) || ($startblock > $1) ) {
-                    $startblock = $1;
+                if ( ($startblock == 0) || ($startblock > $start) ) {
+                    $startblock = $start;
                 }
-                if ( ($endblock == 0) || ($endblock < $2) ) {
-                    $endblock = $2;
+                if ( ($endblock == 0) || ($endblock < $end) ) {
+                    $endblock = $end;
                 }
             }
         }