--- loncom/homework/bridgetask.pm	2007/03/26 22:37:42	1.229
+++ loncom/homework/bridgetask.pm	2007/04/06 21:22:24	1.230
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # definition of tags that give a structure to a document
 #
-# $Id: bridgetask.pm,v 1.229 2007/03/26 22:37:42 albertel Exp $
+# $Id: bridgetask.pm,v 1.230 2007/04/06 21:22:24 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -38,7 +38,6 @@ use Apache::lonlocal;
 use Apache::lonxml;
 use Apache::slotrequest();
 use Time::HiRes qw( gettimeofday tv_interval );
-use lib '/home/httpd/lib/perl/';
 use LONCAPA;
  
 
@@ -3015,13 +3014,35 @@ sub proctor_validation_screen {
     my ($slot) = @_;
     my (undef,undef,$domain,$user) = &Apache::lonnet::whichuser();
     my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
+    if ($url ne '/adm/lonKaputt/lonlogo_broken.gif') {
+	$url = "<tr><td colspan=\"2\"><img src=\"$url\" /></td></tr>";
+    } else {
+	undef($url);
+    }
+
     my $name=&Apache::loncommon::plainname($user,$domain);
     
     my $msg;
     if ($env{'form.proctorpassword'}) {
-	$msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
-	    .'</font></p>';
+	$msg.='<p><span class="LC_warning">'
+	    .&mt("Failed to authenticate the proctor.")
+	    .'</span></p>';
     }
+
+    my $valid;
+    my @possible_proctors=split(",",$slot->{'proctor'});
+    foreach my $proctor (@possible_proctors) {
+	if ($proctor =~ /$LONCAPA::username_re:$LONCAPA::domain_re/) {
+	    $valid = 1;
+	    last;
+	}
+    }
+    if (!$valid) {
+	$msg.='<p><span class="LC_error">'
+	    .&mt("No valid poctors are defined.")
+	    .'</span></p>';
+    }
+    
     if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
     my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
     $uri = &HTML::Entities::encode($uri,'<>&"');
@@ -3045,7 +3066,7 @@ sub proctor_validation_screen {
       <tr><td>Name:</td><td>$name</td></tr>
       <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
       <tr><td>Usename</td><td>$user:$domain</td></tr>
-      <tr><td colspan="2"><img src="$url" /></td></tr>
+      $url
     </table>
   </tr></td>
 </table>