--- loncom/interface/loncommon.pm	2002/08/07 15:39:58	1.49
+++ loncom/interface/loncommon.pm	2002/08/20 21:29:34	1.54
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.49 2002/08/07 15:39:58 ng Exp $
+# $Id: loncommon.pm,v 1.54 2002/08/20 21:29:34 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -80,7 +80,7 @@ package Apache::loncommon;
 use strict;
 use Apache::lonnet();
 use GDBM_File;
-use POSIX qw(strftime);
+use POSIX qw(strftime mktime);
 use Apache::Constants qw(:common);
 use Apache::lonmsg();
 my $readit;
@@ -242,7 +242,7 @@ of the element the selection from the se
 ###############################################################
 sub browser_and_searcher_javascript {
     return <<END;
-    var editbrowser;
+    var editbrowser = null;
     function openbrowser(formname,elementname,only,omit) {
         var url = '/res/?';
         if (editbrowser == null) {
@@ -558,7 +558,7 @@ sub select_dom_form {
 
 =pod
 
-=item get_home_servers($domain)
+=item get_library_servers($domain)
 
 Returns a hash which contains keys like '103l3' and values like 
 'kirk.lite.msu.edu'.  All of the keys will be for machines in the
@@ -567,15 +567,15 @@ given $domain.
 =cut
 
 #-------------------------------------------
-sub get_home_servers {
+sub get_library_servers {
     my $domain = shift;
-    my %home_servers;
+    my %library_servers;
     foreach (keys(%Apache::lonnet::libserv)) {
         if ($Apache::lonnet::hostdom{$_} eq $domain) {
-            $home_servers{$_} = $Apache::lonnet::hostname{$_};
+            $library_servers{$_} = $Apache::lonnet::hostname{$_};
         }
     }
-    return %home_servers;
+    return %library_servers;
 }
 
 #-------------------------------------------
@@ -592,7 +592,7 @@ returns a string which contains an <opti
 #-------------------------------------------
 sub home_server_option_list {
     my $domain = shift;
-    my %servers = &get_home_servers($domain);
+    my %servers = &get_library_servers($domain);
     my $result = '';
     foreach (sort keys(%servers)) {
         $result.=
@@ -844,7 +844,7 @@ sub initialize_keywords {
     #   Set up the hash as a database
     my %thesaurus_db;
     if (! tie(%thesaurus_db,'GDBM_File',
-              $thesaurus_db_file,&GDBM_READER,0640)){
+              $thesaurus_db_file,&GDBM_READER(),0640)){
         &Apache::lonnet::logthis("Could not tie \%thesaurus_db to ".
                                  $thesaurus_db_file);
         return 0;
@@ -957,7 +957,7 @@ sub get_related_words {
         return ();
     }
     if (! tie(%thesaurus_db,'GDBM_File',
-              $thesaurus_db_file,&GDBM_READER,0640)){
+              $thesaurus_db_file,&GDBM_READER(),0640)){
         return ();
     } 
     my @Words=();
@@ -1151,6 +1151,115 @@ sub get_student_answers {
 
 ###############################################
 
+
+sub timehash {
+    my @ltime=localtime(shift);
+    return ( 'seconds' => $ltime[0],
+             'minutes' => $ltime[1],
+             'hours'   => $ltime[2],
+             'day'     => $ltime[3],
+             'month'   => $ltime[4]+1,
+             'year'    => $ltime[5]+1900,
+             'weekday' => $ltime[6],
+             'dayyear' => $ltime[7]+1,
+             'dlsav'   => $ltime[8] );
+}
+
+sub maketime {
+    my %th=@_;
+    return POSIX::mktime(
+        ($th{'seconds'},$th{'minutes'},$th{'hours'},
+         $th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,$th{'dlsav'}));
+}
+
+
+sub findallcourses {
+    my %courses=();
+    my $now=time;
+    foreach (keys %ENV) {
+	if ($_=~/^user\.role\.\w+\.\/(\w+)\/(\w+)/) {
+	    my ($starttime,$endtime)=$ENV{$_};
+            my $active=1;
+            if ($starttime) {
+		if ($now<$starttime) { $active=0; }
+            }
+            if ($endtime) {
+                if ($now>$endtime) { $active=0; }
+            }
+            if ($active) { $courses{$1.'_'.$2}=1; }
+        }
+    }
+    return keys %courses;
+}
+
+###############################################
+
+sub bodytag {
+    my ($function,$title,$addentries)=@_;
+    my $img='';
+    my $pgbg='';
+    my $tabbg='';
+    my $font='';
+    my $link='';
+    my $alink='#CC0000';
+    my $vlink='';
+    if ($function eq 'admin') {
+        $img='admin';
+        $pgbg='#FFFFCC';
+        $tabbg='#CCCC99';
+        $font='#772200';
+        $link='#663300';
+        $vlink='#666600';
+    } elsif ($function eq 'coordinator') {
+        $img='coordinator';
+        $pgbg='#CCFFFF';
+        $tabbg='#CCCCFF';
+        $font='#000033';
+        $link='#003333';
+        $vlink='#006633';
+   } elsif ($function eq 'author') {
+        $img='author';
+        $pgbg='#CCFFFF';
+        $tabbg='#CCFFCC';
+        $font='#003300';
+        $link='#003333';
+        $vlink='#006666';
+    } else {
+        $img='student';
+        $pgbg='#FFFF99';
+        $tabbg='#FF9900';
+        $font='#991100';
+        $link='#993300';
+        $vlink='#996600';
+    }
+    my $role=&Apache::lonnet::plaintext((split(/\./,$ENV{'request.role'}))[0]);
+    if ($ENV{'request.course.id'}) {
+	$role.='<br>'.$ENV{'course.'.$ENV{'request.course.id'}.'.description'};
+    }
+    return(<<ENDBODY);
+<body bgcolor="$pgbg" text="$font" alink="$alink" vlink="$vlink" link="$link"
+$addentries>
+<table cellspacing="0" border="0" cellpadding="2">
+<tr><td colspan="2" bgcolor="$tabbg">
+<img src="/adm/lonInterFace/$img.jpg" /></td></tr>
+<tr>
+<td rowspan="2" bgcolor="$tabbg">
+<font size="5"><b>$title</b></font>
+<td bgcolor="$tabbg"  align="right">
+<font size="2">
+    $ENV{'environment.firstname'}
+    $ENV{'environment.middlename'}
+    $ENV{'environment.lastname'}
+    $ENV{'environment.generation'}
+</font>
+</td>
+</tr>
+<tr><td bgcolor="$tabbg" align="right">
+<font size="2">$role</font>
+</td></tr>
+</table><br>
+ENDBODY
+}
 ###############################################
 
 sub get_unprocessed_cgi {