--- loncom/homework/randomlabel.pm	2001/10/24 19:40:50	1.6
+++ loncom/homework/randomlabel.pm	2001/12/04 15:17:56	1.8
@@ -1,5 +1,30 @@
 # The LearningOnline Network with CAPA
 # random labelling tool
+#
+# $Id: randomlabel.pm,v 1.8 2001/12/04 15:17:56 albertel Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
 # 7/20/2001 Isaac Tsai, initial syntax
 # 8/10/2001 Isaac Tsai, 
 # 8/30/2001 Isaac Tsai, 
@@ -49,7 +74,11 @@ sub start_randomlabel {
   if ( $bgimg !~ /^http:/ ) {
     $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$bgimg;
     $bgimg=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$bgimg);
-    $bgimg=~s-$Apache::lonnet::perlvar{'lonDocRoot'}--;
+    if ($bgimg =~ /$Apache::lonnet::perlvar{'lonDocRoot'}/) {
+      $bgimg=~s/$Apache::lonnet::perlvar{'lonDocRoot'}//;
+    } elsif ($bgimg =~ m:^/home/.*/public_html:) {
+      $bgimg =~ s:^/home/(.*)/public_html:/~$1:;
+    }
     $bgimg="http://".$ENV{'SERVER_NAME'}.$bgimg;
   }
   my $code = &Apache::lonxml::get_param('code',$parstack,$safeeval);