--- loncom/auth/lonlogin.pm	2002/05/23 20:00:11	1.16
+++ loncom/auth/lonlogin.pm	2002/05/25 22:15:03	1.18
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Login Screen
 #
-# $Id: lonlogin.pm,v 1.16 2002/05/23 20:00:11 www Exp $
+# $Id: lonlogin.pm,v 1.18 2002/05/25 22:15:03 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -50,6 +50,8 @@ sub handler {
     &Apache::loncommon::get_unprocessed_cgi
                          ($ENV{'QUERY_STRING'},['interface']);
 
+    $ENV{'form.interface'}=~s/\W//g;
+
     my $fullgraph=($ENV{'form.interface'} ne 'textual');
 
     my $iconpath= $r->dir_config('lonIconsURL');
@@ -149,6 +151,7 @@ ENDSCRIPT
   <form name="server" action="$otherserver/adm/authenticate" method="post" target="_top">
    <input type=hidden name=logtoken value="$logtoken">
    <input type=hidden name=serverid value="$lonhost">
+   <input type=hidden name=interface value="$ENV{'form.interface'}">
    <input type=hidden name=uname value="">
    <input type=hidden name=upass value="">
    <input type=hidden name=udom value="">