--- loncom/interface/lonparmset.pm	2010/01/30 17:37:47	1.413.4.5
+++ loncom/interface/lonparmset.pm	2009/01/28 17:13:03	1.427
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set parameters for assessments
 #
-# $Id: lonparmset.pm,v 1.413.4.5 2010/01/30 17:37:47 raeburn Exp $
+# $Id: lonparmset.pm,v 1.427 2009/01/28 17:13:03 bisitz Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -44,7 +44,9 @@ This module sets coursewide and assessme
 
 =head1 INTERNAL SUBROUTINES
 
-=over 4
+=over
+
+=pod
 
 =item parmval()
 
@@ -56,26 +58,26 @@ Inputs:  $what - a parameter spec (inclu
 
 Returns:  A list, the first item is the index into the remaining list of items of parm valuse that is the active one, the list consists of parm values at the 14 possible levels
 
-         14- General Course
-         13- Map or Folder level in course
-         12- resource default
-         11- map default
-         10- resource level in course
-         9 - General for section
-         8 - Map or Folder level for section
-         7 - resource level in section
-         6 - General for group
-         5 - Map or Folder level for group
-         4 - resource level in group
-         3 - General for specific student
-         2 - Map or Folder level for specific student
-         1 - resource level for specific student
+14- General Course
+13- Map or Folder level in course
+12- resource default
+11- map default
+10- resource level in course
+9 - General for section
+8 - Map or Folder level for section
+7 - resource level in section
+6 - General for group
+5 - Map or Folder level for group
+4 - resource level in group
+3 - General for specific student
+2 - Map or Folder level for specific student
+1 - resource level for specific student
 
 =item parmval_by_symb()
 
 =item reset_caches()
 
-=item cacheparmhash()
+=item cacheparmhash() 
 
 =item parmhash()
 
@@ -118,7 +120,7 @@ Produces a link anchor.
 
 Inputs: $type,$dis,$value,$marker,$return,$call
 
-Returns: scalar with html code for a link which will envoke the
+Returns: scalar with html code for a link which will envoke the 
 javascript function 'pjump'.
 
 =item page_js()
@@ -133,7 +135,7 @@ javascript function 'pjump'.
 
 =item parm_control_group()
 
-=item extractResourceInformation() :
+=item extractResourceInformation() : 
 
 Given the course data hash, extractResourceInformation extracts lots of information about the course's resources into a variety of hashes.
 
@@ -145,7 +147,6 @@ Input: See list below:
 
 =item * B<keyp> : hash, id->key list, will contain a comma separated list of the meta-data keys available for the given id
 
-
 =item * B<allparms> : hash, name of parameter->display value (what is the display value?)
 
 =item * B<allparts> : hash, part identification->text representation of part, where the text representation is "[Part $part]"
@@ -190,7 +191,7 @@ Input: See list below:
 
 =item standardkeyorder()
 
-=item assessparms() :
+=item assessparms() : 
 
 Show assessment data and parameters.  This is a large routine that should
 be simplified and shortened... someday.
@@ -213,6 +214,19 @@ Variables used (guessed by Jeremy):
         When storing information, store as part 0
         When requesting information, request from full part
 
+=item crsenv()
+
+Show and set course data and parameters.  This is a large routine that should
+be simplified and shortened... someday.
+
+Inputs: $r
+
+Returns: nothing
+
+=item can_modify_catsettings()
+
+=item assign_course_categories()
+
 =item tablestart()
 
 =item tableend()
@@ -250,11 +264,11 @@ Variables used (guessed by Jeremy):
 =item check_cloners() :
 
 Checks if new users included in list of allowed cloners
-are valid users.  Replaces supplied list with
+are valid users.  Replaces supplied list with 
 cleaned list containing only users with valid usernames
 and domains.
 
-Inputs: $clonelist, $oldcloner
+Inputs: $clonelist, $oldcloner 
 where $clonelist is ref to array of requested cloners,
 and $oldcloner is ref to array of currently allowed
 cloners.
@@ -270,8 +284,8 @@ change is made to the list of users allo
 a course.
 
 Inputs: $action,$cloner
-where $action is add or drop, and $cloner is identity of
-user for whom cloning ability is to be changed in course.
+where $action is add or drop, and $cloner is identity of 
+user for whom cloning ability is to be changed in course. 
 
 
 =item check_cloners()
@@ -306,16 +320,15 @@ Set portfolio metadata
 
 =item parm_change_log()
 
-=item handler() :
+=item handler() : 
 
-Main handler.  Calls &assessparms subroutine.
+Main handler.  Calls &assessparms and &crsenv subroutines.
 
 
 =back
 
 =cut
 
-
 ###################################################################
 ###################################################################
 
@@ -335,6 +348,7 @@ use Apache::longroup;
 use Apache::lonrss;
 use LONCAPA qw(:DEFAULT :match);
 
+
 sub parmval {
     my ($what,$id,$def,$uname,$udom,$csec,$cgroup,$courseopt)=@_;
     return &parmval_by_symb($what,&symbcache($id),$def,$uname,$udom,$csec,
@@ -537,6 +551,7 @@ sub reset_caches {
 }
 
 
+
 sub preset_defaults {
     my $type=shift;
     if (&rulescache($type.'_action') eq 'default') {
@@ -552,6 +567,8 @@ sub preset_defaults {
 }
 
 
+
+
 sub date_sanity_info {
    my $checkdate=shift;
    unless ($checkdate) { return ''; }
@@ -759,6 +776,7 @@ sub storeparm_by_symb_inner {
     return '';
 }
 
+
 sub valout {
     my ($value,$type,$editable)=@_;
     my $result = '';
@@ -815,6 +833,7 @@ sub valout {
     return $result;
 }
 
+
 sub plink {
     my ($type,$dis,$value,$marker,$return,$call)=@_;
     my $winvalue=$value;
@@ -829,7 +848,6 @@ sub plink {
     my ($hour,$min,$sec,$val)=&preset_defaults($parmname);
     unless (defined($winvalue)) { $winvalue=$val; }
     my $valout = &valout($value,$type,1);
-    my $unencmarker = $marker;
     foreach my $item (\$type, \$dis, \$winvalue, \$marker, \$return, \$call,
 		      \$hour, \$min, \$sec) {
 	$$item = &HTML::Entities::encode($$item,'"<>&');
@@ -837,7 +855,7 @@ sub plink {
     }
     return '<table width="100%"><tr valign="top" align="right"><td><a name="'.$marker.'" /></td></tr><tr><td align="center">'.
 	'<a href="javascript:pjump('."'".$type."','".$dis."','".$winvalue."','"
-	    .$unencmarker."','".$return."','".$call."','".$hour."','".$min."','".$sec."'".');">'.
+	    .$marker."','".$return."','".$call."','".$hour."','".$min."','".$sec."'".');">'.
 	    $valout.'</a></td></tr></table>';
 }
 
@@ -898,6 +916,15 @@ sub startpage {
     my %loaditems = ('onunload' => "pclose()",
 		     'onload'   => "group_or_section('cgroup')",);
 
+    if ((($env{'form.command'} eq 'set') && ($env{'form.url'})
+	     && (!$env{'form.dis'})) || ($env{'form.symb'})) {
+	&Apache::lonhtmlcommon::add_breadcrumb({help=>'Problem_Parameters',
+	    text=>"Problem Parameters"});
+    } else {
+	&Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=settable',
+	   text=>"Table Mode",
+	   help => 'Course_Setting_Parameters'});
+    }
     my $start_page = 
 	&Apache::loncommon::start_page('Set/Modify Course Parameters',
 				       &page_js(),
@@ -947,6 +974,7 @@ sub print_row {
                   .$$part{$which}.'</td>');
     } else {    
         $parm=~s|\[.*\]\s||g;
+        $parm=&mt($parm);
     }
     my $automatic=&rulescache(($which=~/\_([^\_]+)$/)[0].'_triggers');
     if ($automatic) {
@@ -1040,26 +1068,20 @@ sub print_row {
                   &valout($sessionval,$sessionvaltype).'&nbsp;'.
                   '</font></td>');
     }
+    $r->print('</tr>');
+    $r->print("\n");
 }
 
 sub print_td {
     my ($r,$which,$defbg,$result,$outpar,$mprefix,$value,$typeoutpar,$display)=@_;
     $r->print('<td style="background-color:'.(($result==$which)?'#AAFFAA':$defbg).
               ';" align="center">');
-    my $nolink = 0;
-    if ($which == 11 || $which == 12) {
-        $nolink = 1;
-    } elsif ($mprefix =~ /availablestudent\&$/) {
-        if ($which > 3) {
-            $nolink = 1;
-        }
-    }
-    if ($nolink) {
-        $r->print(&valout($$outpar[$which],$$typeoutpar[$which]));
+    if ($which<11 || $which > 12) {
+	$r->print(&plink($$typeoutpar[$which],
+			 $$display{$value},$$outpar[$which],
+			 $mprefix."$which",'parmform.pres','psub'));
     } else {
-        $r->print(&plink($$typeoutpar[$which],
-                         $$display{$value},$$outpar[$which],
-                         $mprefix."$which",'parmform.pres','psub'));
+	$r->print(&valout($$outpar[$which],$$typeoutpar[$which]));
     }
     $r->print('</td>'."\n");
 }
@@ -1120,6 +1142,8 @@ sub parm_control_group {
     return($coursereply,$resultitem,$resultgroup,$resultlevel,$resulttype);
 }
 
+
+
 sub extractResourceInformation {
     my $ids = shift;
     my $typep = shift;
@@ -1158,15 +1182,9 @@ sub extractResourceInformation {
 #
 	    my $name=&Apache::lonnet::metadata($srcf,$key.'.name');
 	    if (!exists($$allparms{$name}) || $$allparms{$name} =~ m/^\s*$/ ) {
-                my ($display,$parmdis);
-                $display = &standard_parameter_names($name);
-                if ($display eq '') {
-                    $display= &Apache::lonnet::metadata($srcf,$key.'.display');
-                    $parmdis = $display;
-                    $parmdis =~ s/\s*\[Part.*$//g;
-                } else {
-                    $parmdis = &mt($display);
-                }
+		my $display= &Apache::lonnet::metadata($srcf,$key.'.display');
+		my $parmdis = $display;
+		$parmdis =~ s/\s*\[Part.*$//g;
 		$$allparms{$name}=$parmdis;
 		if (ref($defkeytype)) {
 		    $$defkeytype{$name}=
@@ -1218,8 +1236,6 @@ sub extractResourceInformation {
 }
 
 
-##################################################
-##################################################
 
 sub isdateparm {
     my $type=shift;
@@ -1300,9 +1316,9 @@ ENDSCRIPT
 	if ($$pscat[0] eq "all" || grep $_ eq $tempkey, @{$pscat}) {
 	    $r->print(' checked="checked"');
 	}
-        $r->print(' />'.($$allparms{$tempkey}=~/\S/ ? $$allparms{$tempkey}
-                                                  : $tempkey).
-                  '</label></td>');
+	$r->print(' />'.($$allparms{$tempkey}=~/\S/ ? &mt($$allparms{$tempkey})
+		                                  : &mt($tempkey))
+		  .'</label></td>');
  	$cnt++;
         if ($cnt==3) {
 	    $r->print("</tr>\n<tr>");
@@ -1517,7 +1533,7 @@ sub sectionmenu {
     my %sectionhash = &Apache::loncommon::get_sections();
     return if (!%sectionhash);
 
-    $r->print('<select name="Section" multiple="multiple" size="8" >');
+    $r->print('<select name="Section" multiple="multiple" size="8">');
     foreach my $s ('all',sort keys %sectionhash) {
 	$r->print('    <option value="'.$s.'"');
 	foreach (@{$selectedsections}) {
@@ -1536,7 +1552,7 @@ sub groupmenu {
     my %grouphash = &Apache::longroup::coursegroups();
     return if (!%grouphash);
 
-    $r->print('<select name="Group" multiple="multiple" size="8" >');
+    $r->print('<select name="Group" multiple="multiple" size="8">');
     foreach my $group (sort(keys(%grouphash))) {
 	$r->print('    <option value="'.$group.'"');
 	foreach (@{$selectedgroups}) {
@@ -1620,6 +1636,7 @@ sub standardkeyorder {
             'parameter_0_discusshide' => 20);
 }
 
+
 sub assessparms {
 
     my $r=shift;
@@ -1774,39 +1791,6 @@ sub assessparms {
         my @values=split(/\&\&\&/,$env{'form.pres_value'});
         my @types=split(/\&\&\&/,$env{'form.pres_type'});
 	for (my $i=0;$i<=$#markers;$i++) {
-            if ($markers[$i] =~ /^[\d.]+\&0_availablestudent\&(1|2|3)$/) {
-                my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
-                my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
-                my (@ok_slots,@fail_slots,@del_slots);
-                my $courseopt=&Apache::lonnet::get_courseresdata($cnum,$cdom);
-                my ($level,@all) =
-                    &parmval_by_symb('0.availablestudent',$pssymb,'',$uname,$udom,
-                                     $csec,$cgroup,$courseopt);
-                foreach my $slot_name (split(/:/,$values[$i])) {
-                    next if ($slot_name eq '');
-                    if (&update_slots($slot_name,$cdom,$cnum,$pssymb,$uname,$udom) eq 'ok') {
-                        push(@ok_slots,$slot_name);
-
-                    } else {
-                        push(@fail_slots,$slot_name);
-                    }
-                }
-                if (@ok_slots) {
-                    $values[$i] = join(':',@ok_slots);
-                } else {
-                    $values[$i] = '';
-                }
-                if ($all[$level] ne '') {
-                    my @existing = split(/:/,$all[$level]);
-                    foreach my $slot_name (@existing) {
-                        if (!grep(/^\Q$slot_name\E$/,split(/:/,$values[$i]))) {
-                            if (&delete_slots($slot_name,$cdom,$cnum,$uname,$udom,$pssymb) eq 'ok') {
-                                push(@del_slots,$slot_name);
-                            }
-                        }
-                    }
-                }
-            }
 	    $message.=&storeparm(split(/\&/,$markers[$i]),
 				 $values[$i],
 				 $types[$i],
@@ -1986,30 +1970,21 @@ ENDTABLEHEADFOUR
                         if (grep $_ eq $tempkeyp, @catmarker) {
                           $part{$_}=&Apache::lonnet::metadata($uri,$_.'.part');
                           $name{$_}=&Apache::lonnet::metadata($uri,$_.'.name');
+                          $display{$_}=&Apache::lonnet::metadata($uri,$_.'.display');
                           unless ($display{$_}) { $display{$_}=''; }
-                          my $parmdis=&Apache::lonnet::metadata($uri,$_.'.display');
-                          if ($allparms{$name{$_}} ne '') {
-                              my $identifier;
-                              if ($parmdis =~ /(\s*\[Part.*)$/) {
-                                  $identifier = $1;
-                              }
-                              $display{$_} = $allparms{$name{$_}}.$identifier;
-                          } else {
-                              $display{$_} = $parmdis;
-                          }
                           $display{$_}.=' ('.$name{$_}.')';
                           $default{$_}=&Apache::lonnet::metadata($uri,$_);
                           $type{$_}=&Apache::lonnet::metadata($uri,$_.'.type');
                           $thistitle=&Apache::lonnet::metadata($uri,$_.'.title');
                         }
                     }
-                    my $totalparms=scalar(keys(%name));
+                    my $totalparms=scalar keys %name;
                     if ($totalparms>0) {
                         my $firstrow=1;
 			my $title=&Apache::lonnet::gettitle($symbp{$rid});
                         $r->print('<tr><td style="background-color:'.$defbgone.';"'.
-                             ' rowspan="'.$totalparms.
-                             '"><tt><font size="-1">'.
+                             ' rowspan='.$totalparms.
+                             '><tt><font size="-1">'.
                              join(' / ',split(/\//,$uri)).
                              '</font></tt><p><b>'.
                              "<a href=\"javascript:openWindow('".
@@ -2023,12 +1998,12 @@ ENDTABLEHEADFOUR
                         }
                         $r->print('</a></b></td>');
                         $r->print('<td style="background-color:'.$defbgtwo.';"'.
-                                      ' rowspan="'.$totalparms.'">'.$typep{$rid}.
+                                      ' rowspan='.$totalparms.'>'.$typep{$rid}.
                                       '</td>');
 
                         $r->print('<td style="background-color:'.$defbgone.';"'.
-                                      ' rowspan="'.$totalparms.
-                                      '">'.$maptitles{$mapp{$rid}}.'</td>');
+                                      ' rowspan='.$totalparms.
+                                      '>'.$maptitles{$mapp{$rid}}.'</td>');
 
                         foreach (&keysinorder_bytype(\%name,\%keyorder)) {
                             unless ($firstrow) {
@@ -2040,7 +2015,6 @@ ENDTABLEHEADFOUR
                                        \%type,\%display,$defbgone,$defbgtwo,
                                        $defbgthree,$parmlev,$uname,$udom,$csec,
                                                             $cgroup,\@usersgroups);
-                            $r->print('</tr>'."\n");
                         }
                     }
                 }
@@ -2050,9 +2024,9 @@ ENDTABLEHEADFOUR
         } # end of  full
 #--------------------------------------------------- Entry for parm level map
         if ($parmlev eq 'map') {
-            my $defbgone = 'E0E099';
-            my $defbgtwo = 'FFFF99';
-            my $defbgthree = 'FFBB99';
+            my $defbgone = '#E0E099';
+            my $defbgtwo = '#FFFF99';
+            my $defbgthree = '#FFBB99';
 
             my %maplist;
 
@@ -2103,16 +2077,7 @@ ENDTABLEHEADFOUR
                       if ((grep $_ eq $fullkeyp, @catmarker) &&(!$name{$tempkeyp})) {
                         $part{$tempkeyp}="0";
                         $name{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp.'.name');
-                        my $parmdis=&Apache::lonnet::metadata($uri,$fullkeyp.'.display');
-                        if ($allparms{$name{$tempkeyp}} ne '') {
-                            my $identifier;
-                            if ($parmdis =~ /(\s*\[Part.*)$/) {
-                                $identifier = $1;
-                            }
-                            $display{$tempkeyp} = $allparms{$name{$tempkeyp}}.$identifier;
-                        } else {
-                            $display{$tempkeyp} = $parmdis;
-                        }
+                        $display{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp.'.display');
                         unless ($display{$tempkeyp}) { $display{$tempkeyp}=''; }
                         $display{$tempkeyp}.=' ('.$name{$tempkeyp}.')';
                         $display{$tempkeyp} =~ s/_\w+_/_0_/;
@@ -2149,30 +2114,32 @@ ENDTABLEHEADFOUR
                              ,'<font color="red"><i>'.$coursename.'</i></font>'
                              )
                          ."<br /></h4>\n"
-                 );
+                );
 #---------------------------------------------------------------- print table
-                $r->print('<p>'..&Apache::loncommon::start_data_table().
-                          &Apache::loncommon::start_data_table_header_row().
-                          '<tr><th>'.&mt('Parameter Name').'</th>'.
-                          '<th>'.&mt('Default Value').'</th>'.
-                          '<th>'.&mt('Parameter in Effect').'</th>'.
-                          &Apache::loncommon::end_data_table_header_row());
+                $r->print('<p>'.&Apache::loncommon::start_data_table()
+                         .&Apache::loncommon::start_data_table_header_row()
+                         .'<th>'.&mt('Parameter Name').'</th>'
+                         .'<th>'.&mt('Default Value').'</th>'
+                         .'<th>'.&mt('Parameter in Effect').'</th>'
+                         .&Apache::loncommon::end_data_table_header_row()
+                );
 
 	        foreach (&keysinorder(\%name,\%keyorder)) {
                     $r->print(&Apache::loncommon::start_data_table_row());
                     &print_row($r,$_,\%part,\%name,\%symbp,$mapid,\%default,
                            \%type,\%display,$defbgone,$defbgtwo,$defbgthree,
                            $parmlev,$uname,$udom,$csec,$cgroup);
-                    $r->print(&Apache::loncommon::end_data_table_row());
                 }
-                $r->print(&Apache::loncommon::end_data_table().'</p></div>');
+                $r->print(&Apache::loncommon::end_data_table().'</p>'
+                         .'</div>'
+                );
             } # end each map
         } # end of $parmlev eq map
 #--------------------------------- Entry for parm level general (Course level)
         if ($parmlev eq 'general') {
-            my $defbgone = 'E0E099';
-            my $defbgtwo = 'FFFF99';
-            my $defbgthree = 'FFBB99';
+            my $defbgone = '#E0E099';
+            my $defbgtwo = '#FFFF99';
+            my $defbgthree = '#FFBB99';
 
 #-------------------------------------------- for each map, gather information
             my $mapid="0.0";
@@ -2203,16 +2170,7 @@ ENDTABLEHEADFOUR
                   if ((grep $_ eq $fullkeyp, @catmarker) &&(!$name{$tempkeyp})) {
                     $part{$tempkeyp}="0";
                     $name{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp.'.name');
-                    my $parmdis=&Apache::lonnet::metadata($uri,$fullkeyp.'.display');
-                    if ($allparms{$name{$tempkeyp}} ne '') {
-                        my $identifier;
-                        if ($parmdis =~ /(\s*\[Part.*)$/) {
-                            $identifier = $1;
-                        }
-                        $display{$tempkeyp} = $allparms{$name{$tempkeyp}}.$identifier;
-                    } else {
-                        $display{$tempkeyp} = $parmdis;
-                    }
+                    $display{$tempkeyp}=&Apache::lonnet::metadata($uri,$fullkeyp.'.display');
                     unless ($display{$tempkeyp}) { $display{$tempkeyp}=''; }
                     $display{$tempkeyp}.=' ('.$name{$tempkeyp}.')';
                     $display{$tempkeyp} =~ s/_\w+_/_0_/;
@@ -2240,27 +2198,642 @@ ENDMAPONE
             if ($cgroup) {$r->print(&mt("Group")."<font color=\"red\"> <i>$cgroup</i></font>\n")};
             $r->print("</h4>\n");
 #---------------------------------------------------------------- print table
-            $r->print('<p>'.&Apache::loncommon::start_data_table().
-                      &Apache::loncommon::start_data_table_header_row().
-                      '<th>'.&mt('Parameter Name').'</th>'.
-                      '<th>'.&mt('Default Value').'</th>'.
-                      '<th>'.&mt('Parameter in Effect').'</th>'.
-                      &Apache::loncommon::end_data_table_header_row());
+            $r->print('<p>'.&Apache::loncommon::start_data_table()
+                     .&Apache::loncommon::start_data_table_header_row()
+                     .'<th>'.&mt('Parameter Name').'</th>'
+                     .'<th>'.&mt('Default Value').'</th>'
+                     .'<th>'.&mt('Parameter in Effect').'</th>'
+                     .&Apache::loncommon::end_data_table_header_row()
+            );
 
 	    foreach (&keysinorder(\%name,\%keyorder)) {
                 $r->print(&Apache::loncommon::start_data_table_row());
                 &print_row($r,$_,\%part,\%name,\%symbp,$mapid,\%default,
                        \%type,\%display,$defbgone,$defbgtwo,$defbgthree,
                                    $parmlev,$uname,$udom,$csec,$cgroup);
-                $r->print(&Apache::loncommon::end_data_table_row());
             }
-            $r->print(&Apache::loncommon::end_data_table().'</p></center>');
+            $r->print(&Apache::loncommon::end_data_table()
+                     .'</p>'
+                     .'</center>'
+            );
         } # end of $parmlev eq general
     }
     $r->print('</form>'.&Apache::loncommon::end_page());
 } # end sub assessparms
 
 
+
+sub crsenv {
+    my $r=shift;
+    my $setoutput='';
+
+    &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=crsenv',
+	text=>"Course Environment"});
+    my $breadcrumbs = 
+	&Apache::lonhtmlcommon::breadcrumbs('Edit Course Environment');
+    my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+    my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
+
+    my (%crsinfo,$chome);
+
+    #
+    # Go through list of changes
+    foreach (keys %env) {
+        next if ($_!~/^form\.(.+)\_setparmval$/);
+        my $name  = $1;
+        my $value = $env{'form.'.$name.'_value'};
+        if ($name eq 'newp') {
+            $name = $env{'form.newp_name'};
+        }
+        if ($name eq 'url') {
+            $value=~s/^\/res\///;
+            my $bkuptime=time;
+            my @tmp = &Apache::lonnet::get
+                ('environment',['url'],$dom,$crs);
+            $setoutput.=&mt('Backing up previous URL').': '.
+                &Apache::lonnet::put
+                ('environment',
+                 {'top level map backup '.$bkuptime => $tmp[1] },
+                 $dom,$crs).
+                     '<br />';
+        }
+        #
+        # Deal with modified default spreadsheets
+        if ($name =~ /^spreadsheet_default_(classcalc|
+                                            studentcalc|
+                                            assesscalc)$/x) {
+            my $sheettype = $1; 
+            if ($sheettype eq 'classcalc') {
+                # no need to do anything since viewing the sheet will
+                # cause it to be updated. 
+            } elsif ($sheettype eq 'studentcalc') {
+                # expire all the student spreadsheets
+                &Apache::lonnet::expirespread('','','studentcalc');
+            } else {
+                # expire all the assessment spreadsheets 
+                #    this includes non-default spreadsheets, but better to
+                #    be safe than sorry.
+                &Apache::lonnet::expirespread('','','assesscalc');
+                # expire all the student spreadsheets
+                &Apache::lonnet::expirespread('','','studentcalc');
+            }
+        }
+        #
+        # Deal with the enrollment dates
+        if ($name =~ /^default_enrollment_(start|end)_date$/) {
+            $value=&Apache::lonhtmlcommon::get_date_from_form($name.'_value');
+        }
+	#
+        # Deal with the emails
+        if ($name =~ /\.email$/) {
+	    foreach my $specifier (split(',',$value)) {
+		my ($user,$sections_or_groups)=
+		    ($specifier=~/^([^\(]+)\(([^\)]+)\)/);
+		if (!$sections_or_groups) {
+		    $user = $specifier;
+		}
+		my ($name,$domain) = split(':',$user);
+		if (!defined($user) || !defined($domain)) {
+		    $setoutput.= '<br /> <span class="LC_error">'.
+			&mt("Invalid e-mail address specified, address must be of the form username:domain what was specified was ([_1])",$user).
+			'</span>';
+		    undef($value);
+		} elsif (&Apache::lonnet::homeserver($user,$domain) eq 'no_host') {
+		    $setoutput.= '<br /> <span class="LC_error">'.
+			&mt("Invalid e-mail address specified, user [_1] is unknown.",$name).
+			'</span>';
+		    undef($value);
+		}
+	    }
+        }
+        # Get existing cloners
+        my @oldcloner = ();
+        if ($name eq 'cloners') {
+            my %clonenames=&Apache::lonnet::dump('environment',$dom,$crs,'cloners');
+            if ($clonenames{'cloners'} =~ /,/) {
+                @oldcloner = split/,/,$clonenames{'cloners'};
+            } else {
+                $oldcloner[0] = $clonenames{'cloners'};
+            }
+        }
+        #
+        # Let the user know we made the changes
+        if ($name && defined($value)) {
+            my %failed_cloners;
+            if ($name eq 'cloners') {
+                $value =~ s/\s//g;
+                $value =~ s/^,//;
+                $value =~ s/,$//;
+                # check requested clones are valid users.
+                %failed_cloners = &check_cloners(\$value,\@oldcloner);
+            }
+            my $put_result = &Apache::lonnet::put('environment',
+                                                  {$name=>$value},$dom,$crs);
+            if ($put_result eq 'ok') {
+                $setoutput.=&mt('Set').' <b>'.$name.'</b> '.&mt('to').' <b>';
+                if ($name =~ /^default_enrollment_(start|end)_date$/) {
+                    $setoutput .= &Apache::lonlocal::locallocaltime($value);
+                } elsif ($name eq 'categories') {
+                    $setoutput .= $env{'form.categories_display'};
+                } else {
+                    $setoutput .= $value;
+                }
+                $setoutput .= '</b>.<br />';
+                if ($name eq 'cloners') {
+                    &change_clone($value,\@oldcloner);
+                }
+                # Update environment and nohist_courseids.db
+                if (($name eq 'description') || ($name eq 'cloners') || 
+                    ($name eq 'hidefromcat') || ($name eq 'categories')) {
+                    if ($chome eq '') {
+                        %crsinfo =
+                            &Apache::lonnet::courseiddump($dom,'.',1,'.','.',
+                                                 $crs,undef,undef,'.');
+                        $chome = &Apache::lonnet::homeserver($crs,$dom);
+                    }
+                }
+                if ($name eq 'description' && defined($value)) {
+                    &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.description' => $value});
+                    if (ref($crsinfo{$env{'request.course.id'}}) eq 'HASH') {
+                        $crsinfo{$env{'request.course.id'}}{'description'} = $value; 
+                        my $putresult =
+                            &Apache::lonnet::courseidput($dom,\%crsinfo,
+                                                         $chome,'notime');
+                    }
+                }
+                if (($name eq 'cloners') || ($name eq 'hidefromcat') || ($name eq 'categories')) {
+                    if (ref($crsinfo{$env{'request.course.id'}}) eq 'HASH') {
+                        &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.'.$name => $value});
+                        $crsinfo{$env{'request.course.id'}}{$name} = $value;
+                        my $putresult =
+                            &Apache::lonnet::courseidput($dom,\%crsinfo,
+                                                         $chome,'notime');
+                    }
+                }
+            } else {
+                $setoutput.=&mt('Unable to set').' <b>'.$name.'</b> '.&mt('to').
+		    ' <b>'.$value.'</b> '.&mt('due to').' '.$put_result.'.<br />';
+            }
+            if (($name eq 'cloners') && (keys(%failed_cloners) > 0)) {
+                $setoutput.= &mt('Unable to include').': ';
+                my @fails;
+                my $num = 0;
+                if (defined($failed_cloners{'format'})) {
+                    $fails[$num] .= '<b>'.$failed_cloners{'format'}.
+                                  '</b>, '.&mt('reason').' - '.
+                                  &mt('Invalid format');
+                    $num ++;
+                }
+                if (defined($failed_cloners{'domain'})) {
+                    $fails[$num] .= '<b>'.$failed_cloners{'domain'}.
+                                  '</b>, '.&mt('reason').' - '.
+                                  &mt('Domain does not exist');
+                    $num ++;
+                }
+                if (defined($failed_cloners{'newuser'})) {
+                    $fails[$num] .= '<b>'.$failed_cloners{'newuser'}.                                   '</b>, '.&mt('reason').' - '.
+                        &mt('LON-CAPA user(s) do(es) not exist.').
+                        '.<br />'.&mt('Please ').
+                        ' <a href="/adm/createuser">'.
+                        &mt('add the user(s)').'</a>, '.
+                        &mt('and then return to the ').
+                        '<a href="/adm/parmset?action=crsenv">'.
+                        &mt('Course Parameters page').'</a> '.
+                        &mt('to add the new user(s) to the list of possible cloners');
+                }
+                $setoutput .= join(';&nbsp;&nbsp;',@fails).'.<br />';
+            }
+        }
+    }
+
+    my $start_table     =&Apache::loncommon::start_data_table();
+    my $start_header_row=&Apache::loncommon::start_data_table_header_row();
+    my $end_header_row  =&Apache::loncommon::end_data_table_header_row();
+# ------------------------- Re-init course environment entries for this session
+
+    &Apache::lonnet::coursedescription($env{'request.course.id'},
+				       {'freshen_cache' => 1});
+
+# -------------------------------------------------------- Get parameters again
+
+    my %values=&Apache::lonnet::dump('environment',$dom,$crs);
+    my $SelectStyleFile=&mt('Select Style File');
+    my $SelectSpreadsheetFile=&mt('Select Spreadsheet File');
+    my $output='';
+    my $can_categorize;
+    if (! exists($values{'con_lost'})) {
+        my %descriptions=
+	    ('url'            => '<b>'.&mt('Top Level Map').'</b><br />'.
+                                 '<a href="javascript:openbrowser'.
+                                 "('envform','url','sequence')\">".
+                                 &mt('Select Map').'</a><br /><span class="LC_warning"> '.
+                                 &mt('Modification may make assessment data inaccessible!').
+                                 '</span>',
+             'description'    => '<b>'.&mt('Course Description').'</b>',
+             'courseid'       => '<b>'.&mt('Course ID or number').
+                                 '</b><br />'.
+                                 '('.&mt('internal, optional').')',
+             'cloners'        => '<b>'.&mt('Users allowed to clone course').'</b><br />'
+                                .'("<tt>'.&mt('user:domain,user:domain,*:domain').'</tt>")<br />'
+                                .&mt('Users with active Course Coordinator role in this course are permitted to clone and need not be included.').'<br />'
+                                .&mt('Use [_1] to allow course to be cloned by anyone in the specified domain.','"<tt>*:domain</tt>"').'<br />'
+                                .&mt('Use [_1] to allow unrestricted cloning in all domains.','"<tt>*</tt>"'),
+             'grading'        => '<b>'.&mt('Grading').'</b><br />'.
+                                 &mt('[_1], [_2], or [_3]','"<tt>standard</tt>"','"<tt>external</tt>"','"<tt>spreadsheet</tt>"').&Apache::loncommon::help_open_topic('GradingOptions'),
+	     'task_grading'   => '<b>'.&mt('Bridge Task Grading').'</b><br />'
+                                .&mt('Instructors and TAs in sections, when grading bridge tasks, should be allowed to grade other sections.').'<br />'
+                                .'('.&mt('[_1]: they are allowed (this is the default). [_2]: no, they can only grade their own section.','"<tt>any</tt>"','"<tt>section</tt>"').')',
+             'default_xml_style' => '<b>'.&mt('Default XML Style File').'</b><br />'.
+                    '<a href="javascript:openbrowser'.
+                    "('envform','default_xml_style'".
+                    ",'sty')\">$SelectStyleFile</a><br />",
+             'question.email' => '<b>'.&mt('Feedback Addresses for Resource Content Question').'</b><br />'
+                                .'("<tt>'.&mt('user:domain,user:domain(section;section;...;*;...),...').'</tt>")',
+             'question.email.text' => '<b>'.&mt('Custom Text for Resource Content Question Option in Feedback').'</b>',
+             'comment.email'  => '<b>'.&mt('Feedback Addresses for Course Content Comments').'</b><br />'
+                                .'("<tt>'.&mt('user:domain,user:domain(section;section;...;*;...),...').'</tt>")',
+             'comment.email.text' => '<b>'.&mt('Custom Text for Course Content Option in Feedback').'</b>',
+             'policy.email'   => '<b>'.&mt('Feedback Addresses for Course Policy').'</b><br />'
+                                 .'("<tt>'.&mt('user:domain,user:domain(section;section;...;*;...),...').'</tt>")',
+             'policy.email.text' => '<b>'.&mt('Custom Text for Course Policy Option in Feedback').'</b>',
+             'hideemptyrows'  => '<b>'.&mt('Hide Empty Rows in Spreadsheets').'</b><br />'
+                                .'('.&mt('[_1] for default hiding','"<tt>yes</tt>"').')',
+             'pageseparators'  => '<b>'.&mt('Visibly Separate Items on Pages').'</b><br />'
+                                 .'('.&mt('[_1] for visible separation.','"<tt>yes</tt>"').' '
+                                 .&mt('Changes will not show until next login.').')',
+             'student_classlist_view' => '<b>'.&mt('Allow students to view classlist.').'</b><br />'
+                                        .'('.&mt('[_1]: students can view all sections. [_2]: students can only view their own section. blank or [_3] prevents student view.','"<tt>all</tt>"','"<tt>section</tt>"','"<tt>disabled</tt>"').')',
+             'student_classlist_portfiles' => '<b>'.&mt('Include link to accessible portfolio files').'</b><br />'
+                                             .'('.&mt("[_1] for link to each a listing of each student's files.",'"<tt>yes</tt>"').')',
+             'student_classlist_opt_in' => '<b>'.&mt("Student's agreement needed for listing in student-viewable roster").'</b><br />'
+                                           .'('.&mt('[_1] to require students to opt-in to listing in the roster (on the roster page).','"<tt>yes</tt>"').')',
+             'plc.roles.denied'=> '<b>'.&mt('Disallow live chatroom use for Roles').'</b><br />'
+                                 .'('.&mt('[_1]: student, [_2]: TA, [_3]: instructor','"<tt>st</tt>"','"<tt>ta</tt>"','"<tt>in</tt>"').')<br />'
+                                 .'("<tt>'.&mt('role,role,...').'</tt>") '
+	                         .Apache::loncommon::help_open_topic("Course_Disable_Discussion"),
+             'plc.users.denied' => 
+                          '<b>'.&mt('Disallow live chatroom use for Users').'</b><br />'.
+                                  '("<tt>'.&mt('user:domain,user:domain,...').'</tt>")',
+
+             'pch.roles.denied'=> '<b>'.&mt('Disallow Resource Discussion for Roles').'</b><br />'
+                                 .'('.&mt('[_1]: student, [_2]: TA, [_3]: instructor','"<tt>st</tt>"','"<tt>ta</tt>"','"<tt>in</tt>"')
+                                 .'("<tt>'.&mt('role,role,...').'</tt>") '
+                                 .Apache::loncommon::help_open_topic("Course_Disable_Discussion"),
+             'pch.users.denied' => 
+                          '<b>'.&mt('Disallow Resource Discussion for Users').'</b><br />'.
+                                 '("<tt>'.&mt('user:domain,user:domain,...').'</tt>")',
+             'spreadsheet_default_classcalc' 
+                 => '<b>'.&mt('Default Course Spreadsheet').'</b> '.
+                    '<a href="javascript:openbrowser'.
+                    "('envform','spreadsheet_default_classcalc'".
+                    ",'spreadsheet')\">$SelectSpreadsheetFile</a><br />",
+             'spreadsheet_default_studentcalc' 
+                 => '<b>'.&mt('Default Student Spreadsheet').'</b><br />'.
+                    '<a href="javascript:openbrowser'.
+                    "('envform','spreadsheet_default_calc'".
+                    ",'spreadsheet')\">$SelectSpreadsheetFile</a><br />",
+             'spreadsheet_default_assesscalc' 
+                 => '<b>'.&mt('Default Assessment Spreadsheet').'</b> '.
+                    '<a href="javascript:openbrowser'.
+                    "('envform','spreadsheet_default_assesscalc'".
+                    ",'spreadsheet')\">$SelectSpreadsheetFile</a><br />",
+	     'allow_limited_html_in_feedback'
+	         => '<b>'.&mt('Allow limited HTML in discussion posts').'</b><br />'.
+	            '('.&mt('Set value to [_1] to allow.','"<tt>yes</tt>"').')',
+             'allow_discussion_post_editing'
+                 => '<b>'.&mt('Allow users with specified roles to edit/delete their own discussion posts').'</b><br />'
+                   .'('.&mt('[_1]: student, [_2]: TA, [_3]: instructor','"<tt>st</tt>"','"<tt>ta</tt>"','"<tt>in</tt>"').')<br />'
+                   .'('.&mt('Set value to [_1] to allow all roles.','"<tt>yes</tt>"').')'
+                   .'("<tt>'.&mt('role:section,role:section,...').'</tt>")<br />'
+                   .'('.&mt('Example: "<tt>st:001,st:002,in,cc</tt>" would permit students in sections 001 and 002 and instructors in any section, and course coordinators to edit their own posts.').')',
+	     'rndseed'
+	         => '<b>'.&mt('Randomization algorithm used').'</b><br />'
+                   .'<span class="LC_error">'
+                   .&mt('Modifying this will make problems have different numbers and answers!')
+                   .'</span>',
+	     'receiptalg'
+	         => '<b>'.&mt('Receipt algorithm used').'</b> <br />'.
+                    &mt('This controls how receipt numbers are generated.'),
+             'suppress_tries'
+                 => '<b>'.&mt('Suppress number of tries in printing').'</b><br />'.
+                    ' ('.&mt('[_1] to suppress, anything else to not suppress','"<tt>yes</tt>"').')',
+             'problem_stream_switch'
+                 => '<b>'.&mt('Allow problems to be split over pages').'</b><br />'.
+                    ' ('.&mt('[_1] if allowed, anything else if not','"<tt>yes</tt>"').')',
+             'default_paper_size' 
+                 => '<b>'.&mt('Default paper type').'</b><br />'.
+                    ' ('.&mt('supported types').': Letter [8 1/2x11 in], Legal [8 1/2x14 in],'. 
+                    ' Tabloid [11x17 in], Executive [7 1/2x10 in], A2 [420x594 mm],'. 
+                    ' A3 [297x420 mm], A4 [210x297 mm], A5 [148x210 mm], A6 [105x148 mm])',
+	     'print_header_format'
+	         => ' <b>'.&mt('Print header format').'</b><br />'
+                   .&mt('Substitutions:<br />[_1]: student name, [_2]: course id, [_3]: assignment note. Numbers after the <tt>%</tt> limit the field size.','"<tt>%n</tt>"','"<tt>%c</tt>"','"<tt>%a</tt>"'),
+             'default_enrollment_start_date' => '<b>'.&mt('Default beginning date for student access.').'</b>',
+             'default_enrollment_end_date'   => '<b>'.&mt('Default ending date for student access.').'</b>',
+             'nothideprivileged'   => '<b>'.&mt('Privileged users that should not be hidden on staff listings').'</b><br />'
+                                     .'("<tt>'.&mt('user:domain,user:domain,*:domain').'</tt>")',
+             'languages' => '<b>'.&mt('Languages used').'</b>',
+             'disable_receipt_display'
+                 => '<b>'.&mt('Disable display of problem receipts').'</b><br />'.
+                    ' ('.&mt('"[_1]" to disable, anything else if not','<tt>yes</tt>').')',
+	     'task_messages'
+	         => '<b>'.&mt('Send message to student when clicking Done on Tasks').'</b><br /> ('.&mt('[_1] to send a message only to student, [_2] to send message to student and add record to user information page for instructors. Leave blank to disable.','"<tt>only_student</tt>"','"<tt>student_and_user_notes_screen</tt>"').')',
+	     'disablesigfigs'
+	         => '<b>'.&mt('Disable checking of Significant Figures').'</b><br />'.
+                    ' ('.&mt('"[_1]" to disable, anything else if not','<tt>yes</tt>').')',
+	     'disableexampointprint'
+	         => '<b>'.&mt('Disable automatically printing point values onto exams.').'</b><br />'.
+                    ' ('.&mt('"[_1]" to disable, anything else if not','<tt>yes</tt>').')',
+             'externalsyllabus'
+                 => '<b>'.&mt('URL of Syllabus (not using internal handler)').'</b>',
+	     'tthoptions'
+	         => '<b>'.&mt('Default set of options to pass to tth/m when converting tex').'</b>',
+
+	     'texengine'
+	         => '<b>'.&mt('Force all students in the course to use a specific math rendering engine.').'</b><br />'
+                   .'('.&mt("[_1], [_2] (Convert to Images), [_3] (TeX to HTML), or blank for student's preference",'"<tt>jsMath</tt>"','"<tt>mimetex</tt>"','"<tt>tth</tt>"').')',
+             'timezone'
+                 => '<b>'.&mt('Timezone in which the course takes place').'</b>',
+
+             'suppress_embed_prompt'
+                 => '<b>'.&mt('Suppress prompt to upload items referenced in a web page being uploaded to portfolio, when current role is student.').'</b><br />'.
+                    ' ('.&mt('[_1] to suppress, anything else to not suppress','"<tt>yes</tt>"').')',
+             'hidefromcat'
+                 => '<b>'.&mt('Exclude from course catalog').'</b><br />'.
+                    ' ('.&mt('[_1] to exclude, anything else to include - included if assigned an institutional code, or manually catagorized','"<tt>yes</tt>"').')',
+             'categories'
+                 => '<b>'.&mt('Categorize course').'</b> <a href="javascript:catsbrowser()">'.
+                    &mt('Display Categories').'</a>',
+             'datelocale' 
+                 => '<b>'.&mt('Locale used for course calendar').'</b>',
+             );
+        my @Display_Order = ('url','description','courseid','cloners');
+        (my $can_toggle_cat,$can_categorize) = &can_modify_catsettings($dom);
+        if ($can_toggle_cat) {
+            push(@Display_Order,'hidefromcat');
+        }
+        if ($can_categorize) {
+            push(@Display_Order,'categories');
+        }
+        push (@Display_Order,('grading',
+                             'externalsyllabus',
+                             'default_xml_style','pageseparators',
+                             'question.email','question.email.text','comment.email',
+                             'comment.email.text','policy.email','policy.email.text',
+                             'student_classlist_view',
+                             'student_classlist_opt_in',
+                             'student_classlist_portfiles',
+                             'plc.roles.denied','plc.users.denied',
+                             'pch.roles.denied','pch.users.denied',
+                             'allow_limited_html_in_feedback',
+                             'allow_discussion_post_editing',
+                             'languages',
+                             'timezone',
+                             'datelocale',
+			     'nothideprivileged',
+                             'rndseed',
+                             'receiptalg',
+                             'problem_stream_switch',
+			     'suppress_tries',
+                             'suppress_embed_prompt',
+                             'default_paper_size',
+			     'print_header_format',
+                             'disable_receipt_display',
+                             'spreadsheet_default_classcalc',
+                             'spreadsheet_default_studentcalc',
+                             'spreadsheet_default_assesscalc', 
+                             'hideemptyrows',
+                             'default_enrollment_start_date',
+                             'default_enrollment_end_date',
+			     'tthoptions',
+			     'texengine',
+			     'disablesigfigs',
+			     'disableexampointprint',
+			     'task_messages','task_grading'));
+	foreach my $parameter (sort(keys(%values))) {
+            unless (($parameter =~ m/^internal\./)||($parameter =~ m/^metadata\./) ||
+                    ($parameter =~ m/^selfenroll_/) || ($parameter =~ /_selfenroll$/)
+                    || ($parameter eq 'type')) {
+                if (! $descriptions{$parameter}) {
+                    $descriptions{$parameter}=$parameter;
+                    push(@Display_Order,$parameter);
+                }
+            }
+	}
+	
+        foreach my $parameter (@Display_Order) {
+            my $description = $descriptions{$parameter};
+            # onchange is javascript to automatically check the 'Set' button.
+            my $onchange = 'onFocus="javascript:window.document.forms'.
+                "['envform'].elements['".$parameter."_setparmval']".
+                '.checked=true;"';
+            $output .= &Apache::loncommon::start_data_table_row().
+		'<td>'.$description.'</td>';
+            if ($parameter =~ /^default_enrollment_(start|end)_date$/) {
+                $output .= '<td>'.
+                    &Apache::lonhtmlcommon::date_setter('envform',
+                                                        $parameter.'_value',
+                                                        $values{$parameter},
+                                                        $onchange).
+                                                        '</td>';
+            } elsif ($parameter eq 'timezone') {
+                my $includeempty = 1;
+                my $timezone = &Apache::lonlocal::gettimezone();
+                $output .= '<td>'.
+                    &Apache::loncommon::select_timezone($parameter.'_value',
+                                                        $timezone,
+                                                        $onchange,$includeempty).'</td>';
+            } elsif ($parameter eq 'datelocale') {
+                my $includeempty = 1;
+                my $locale_obj = &Apache::lonlocal::getdatelocale();
+                my $currdatelocale;
+                if (ref($locale_obj)) {
+                    $currdatelocale = $locale_obj->id();
+                }
+                $output .= '<td>'.
+                    &Apache::loncommon::select_datelocale($parameter.'_value',
+                                                          $currdatelocale,
+                                                          $onchange,$includeempty).'</td>'; 
+            } elsif ($parameter eq 'categories') {
+                my $catdisplay;
+                if ($values{'categories'} ne '') {
+                    my @curritems = split(/\&/,$values{'categories'});
+                    foreach my $item (@curritems) {
+                        my ($name,$parent,$pos) = split(/:/,$item);
+                        $catdisplay .= &unescape($name).'&';
+                    }
+                    $catdisplay =~ s/\&$//;
+                } 
+                $output .= '<td>'.
+                           '<input type="hidden" name="categories_value" value="'.
+                           $values{'categories'}.'" />'.
+                           '<input type="textbox" name="categories_display" value="'.
+                           $catdisplay.'" readonly="readonly" size="40" /></td>';
+            } else {
+                $output .= '<td>'.
+                    &Apache::lonhtmlcommon::textbox($parameter.'_value',
+                                                    $values{$parameter},
+                                                    40,$onchange).'</td>';
+            }
+            $output .= '<td>'.
+                &Apache::lonhtmlcommon::checkbox($parameter.'_setparmval').
+                '</td>';
+            $output .= &Apache::loncommon::end_data_table_row()."\n";
+	}
+        my $onchange = 'onFocus="javascript:window.document.forms'.
+            '[\'envform\'].elements[\'newp_setparmval\']'.
+            '.checked=true;"';
+	$output.=&Apache::loncommon::start_data_table_row().
+	    '<td><i>'.&mt('Create New Environment Variable').'</i><br />'.
+	    '<input type="text" size="40" name="newp_name" '.
+                $onchange.' /></td><td>'.
+            '<input type="text" size="40" name="newp_value" '.
+                $onchange.' /></td><td>'.
+	    '<input type="checkbox" name="newp_setparmval" /></td>'.
+	    &Apache::loncommon::end_data_table_row()."\n";
+    }
+    my %lt=&Apache::lonlocal::texthash(
+		    'par'   => 'Parameter',
+		    'val'   => 'Value',
+		    'set'   => 'Set?',
+		    'sav'   => 'Save'
+				       );
+
+    my $Parameter=&mt('Parameter');
+    my $Value=&mt('Value');
+    my $Set=&mt('Set');
+    my ($jscript,$categorize_js);
+    my $browse_js = &Apache::loncommon::browser_and_searcher_javascript('parmset');
+    if ($can_categorize) {
+        $categorize_js = <<ENDSCRIPT;
+function catsbrowser() {
+    var catswin = null;
+    var url = '/adm/parmset?action=categorizecourse';
+    if (!catswin || catswin.closed) {
+        catswin=window.open(url,'categorieswin','height=480,width=600,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
+    } else {
+        catswin.focus();
+    }
+} 
+ENDSCRIPT
+    }
+    $jscript = '<script type="text/javascript" language="Javascript">'."\n".
+               $browse_js."\n".$categorize_js."\n".'</script>';
+    my $start_page = 
+	&Apache::loncommon::start_page('Set Course Environment',
+				       $jscript);
+    my $end_page = 
+	&Apache::loncommon::end_page();
+    my $end_table=&Apache::loncommon::end_data_table();
+    $r->print(<<ENDENV);
+$start_page
+$breadcrumbs
+<form method="post" action="/adm/parmset?action=crsenv" name="envform">
+$setoutput
+<div><input type="submit" name="crsenv" value="$lt{'sav'}" /></div>
+$start_table
+$start_header_row
+<th>$lt{'par'}</th><th>$lt{'val'}</th><th>$lt{'set'}</th>
+$end_header_row
+$output
+$end_table
+<input type="submit" name="crsenv" value="$lt{'sav'}" />
+</form>
+$end_page
+ENDENV
+}
+
+sub can_modify_catsettings {
+    my ($dom) = @_;
+    my %domconf = &Apache::lonnet::get_dom('configuration',['coursecategories'],$dom);
+    my ($can_toggle_cat,$can_categorize);
+    if (ref($domconf{'coursecategories'}) eq 'HASH') {
+        if ($domconf{'coursecategories'}{'togglecats'} eq 'crs') {
+            $can_toggle_cat = 1;
+        }
+        if ($domconf{'coursecategories'}{'categorize'} eq 'crs') {
+            $can_categorize = 1;
+        }
+    }
+    return ($can_toggle_cat,$can_categorize);
+}
+
+sub assign_course_categories {
+    my ($r) = @_;
+    my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+    my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+    my $hascats = 0;
+    my $cathash;
+    my %domconf = &Apache::lonnet::get_dom('configuration',['coursecategories'],$cdom);
+    if (ref($domconf{'coursecategories'}) eq 'HASH') {
+        $cathash = $domconf{'coursecategories'}{'cats'};
+        if (ref($cathash) eq 'HASH') {
+            $hascats = 1;   
+        }
+    }
+    my $catwin_js;
+    if ($hascats) {
+        my $alert = &mt('Use \"Save\" in the main window to save course categories');
+        $catwin_js = <<ENDSCRIPT;
+<script type="text/javascript">
+
+function updateCategories() {
+    var newcategories = '';
+    var unescapedcats = '';
+    if (document.chgcats.usecategory.length) {
+        for (var i=0; i<document.chgcats.usecategory.length; i++) {
+            if (document.chgcats.usecategory[i].checked == true) {
+                newcategories = newcategories + document.chgcats.usecategory[i].value + '&';
+                unescapedcats = unescapedcats + document.chgcats.catname[i].value + ' & ';
+            }
+        }
+        if (newcategories.length > 0) {
+            newcategories = newcategories.slice(0,-1);
+        }
+        if (unescapedcats.length > 0) {
+            unescapedcats = unescapedcats.slice(0,-3);
+        }
+    } else {
+         if (document.chgcats.usecategory.checked == true) {
+             newcategories = document.chgcats.usecategory.value;
+             unescapedcats = document.chgcats.catname.value;
+         }
+    }
+    opener.document.envform.categories_value.value = newcategories;
+    opener.document.envform.categories_display.value = unescapedcats;
+    opener.document.envform.categories_setparmval.checked = true;
+    alert("$alert");
+    self.close();
+    return;
+}
+
+</script>
+ENDSCRIPT
+    } else {
+        my $onload; 
+    }
+    my $start_page =
+        &Apache::loncommon::start_page('Course Categories',$catwin_js,
+                                       {'only_body'      => 1,});
+    my $end_page = &Apache::loncommon::end_page();
+    my $categoriesform = '<h3>'.&mt('Categorize Course').'</h3>';
+    if ($hascats) {
+        my %currsettings =
+            &Apache::lonnet::get('environment',['hidefromcat','categories'],$cdom,$cnum);
+        $categoriesform .= &mt('Assign one or more categories to this course.').'<br /><br />'.
+                               '<form name="chgcats" action="/adm/parmset" method="post">'."\n"
+                               .&Apache::loncommon::assign_categories_table($cathash,
+                                                       $currsettings{'categories'})."\n"
+                               .'<br /><input type="button" name="changes" value="'
+                               .&mt('Copy to main window').'" '
+                               .'onclick="javascript:updateCategories()" /></form><br />';
+    } else {
+        $categoriesform .= &mt('No categories defined for this domain');
+    }
+    $r->print($start_page.$categoriesform.$end_page);
+    return;
+}
+
 ##################################################
 # Overview mode
 ##################################################
@@ -2540,11 +3113,9 @@ sub listdata {
 #
 # Ready to print
 #
-            my $parmitem = &standard_parameter_names($name);
-
 	    $r->print(&tablestart().
 		      &Apache::loncommon::start_data_table_row().
-		      '<td><b>'.&mt($parmitem).
+		      '<td><b>'.&standard_parameter_names($name).
 		      '</b></td><td><input type="checkbox" name="del_'.
 		      $thiskey.'" /></td><td>');
 	    $foundkeys++;
@@ -2694,6 +3265,8 @@ sub newoverview {
 
     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
+    &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=setoverview',
+    	text=>"Overview Mode"});
     my $start_page = &Apache::loncommon::start_page('Set Parameters');
     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs('Overview');
     $r->print(<<ENDOVER);
@@ -2854,6 +3427,8 @@ sub overview {
     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 
+    &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=setoverview',
+	text=>"Overview Mode"});
     my $start_page=&Apache::loncommon::start_page('Modify Parameters');
     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs('Overview');
     $r->print(<<ENDOVER);
@@ -2879,7 +3454,7 @@ ENDOVER
     my $foundkeys=&listdata($r,$resourcedata,$resourcedata,$sortorder);
 
     $r->print(&tableend().'<p>'.
-	($foundkeys?'<input type="submit" value="'.&mt('Save').'" />':&mt('There are no parameters.')).'</p></form>'.
+	($foundkeys?'<input type="submit" value="'.&mt('Modify Parameters').'" />':&mt('There are no parameters.')).'</p></form>'.
 	      &Apache::loncommon::end_page());
 }
 
@@ -2888,6 +3463,8 @@ sub clean_parameters {
     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 
+    &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=cleanparameters',
+    	text=>"Clean Parameters"});
     my $start_page=&Apache::loncommon::start_page('Clean Parameters');
     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs('Clean');
     $r->print(<<ENDOVER);
@@ -2931,10 +3508,9 @@ ENDOVER
 		$display_value = 
 		    &Apache::lonlocal::locallocaltime($display_value);
 	    }
-            my $parmitem = &standard_parameter_names($data{'parameter_name'});
-            $parmitem = &mt($parmitem);
 	    $r->print(&mt('Parameter: "[_1]" with value: "[_2]"',
-                          $parmitem,$resourcedata->{$thiskey}));
+			  &standard_parameter_names($data{'parameter_name'}),
+			  $resourcedata->{$thiskey}));
 	    $r->print('<br />');
 	    if ($data{'scope_type'} eq 'all') {
 		$r->print(&mt('All users'));
@@ -2972,6 +3548,8 @@ sub date_shift_one {
     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
 
+    &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=dateshift1&timebase='.$env{'form.timebase'},
+    	text=>"Shifting Dates"});
     my $start_page=&Apache::loncommon::start_page('Shift Dates');
     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs('Shift');
     $r->print(<<ENDOVER);
@@ -2997,6 +3575,8 @@ sub date_shift_two {
     my ($r) = @_;
     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
+    &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=dateshift1&timebase='.$env{'form.timebase'},
+    	text=>"Shifting Dates"});
     my $start_page=&Apache::loncommon::start_page('Shift Dates');
     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs('Shift');
     $r->print(<<ENDOVER);
@@ -3051,6 +3631,8 @@ sub parse_key {
     return %data;
 }
 
+
+
 sub extract_cloners {
     my ($clonelist,$allowclone) = @_;
     if ($clonelist =~ /,/) {
@@ -3166,13 +3748,18 @@ sub change_clone {
 }
 
 
+
 sub header {
     return &Apache::loncommon::start_page('Parameter Manager');
 }
 
+
+
 sub print_main_menu {
     my ($r,$parm_permission)=@_;
     #
+    $r->print(&header());
+    $r->print(&Apache::lonhtmlcommon::breadcrumbs('Parameter Manager'));
     $r->print(<<ENDMAINFORMHEAD);
 <form method="post" enctype="multipart/form-data"
       action="/adm/parmset" name="studentform">
@@ -3183,89 +3770,87 @@ ENDMAINFORMHEAD
     my $vgr  = &Apache::lonnet::allowed('vgr',$env{'request.course.id'});
     my $mgr  = &Apache::lonnet::allowed('mgr',$env{'request.course.id'});
 
-    my $crstype = &Apache::loncommon::course_type();
-    my $lc_crstype = lc($crstype);
 
     my @menu =
-        ( { divider=>"Settings for Your $crstype",
-	  },
-          { text => "Edit $lc_crstype configuration",
-	    url => '/adm/courseprefs?origin=params',
-            permission => $parm_permission,
-            help => 'Course_Environment',
-            },
-          { text => 'Set Portfolio Metadata',
-	    action => 'setrestrictmeta',
-            permission => $parm_permission,
-            },
-	  { text => "Manage $crstype Slots",
-	    url => '/adm/slotrequest?command=showslots',
-	    permission => $vgr,
-            },
-	  { text => 'Reset Student Access Times',
-	    url => '/adm/helper/resettimes.helper',
-	    permission => $mgr,
-            },
-
-          { text => 'Set Parameter Setting Default Actions',
-            action => 'setdefaults',
-            permission => $parm_permission,
-            },          
-	  { divider => 'New and Existing Parameter Settings for Your Resources',
-	    },
-          { text => 'Set/Modify Resource Parameters - Helper Mode',
-            url => '/adm/helper/parameter.helper',
-            permission => $parm_permission,
-            help => 'Parameter_Helper',
-            },
- 	  { text => 'Set/Modify Resource Parameters - Overview Mode',
-            action => 'newoverview',
-            permission => $parm_permission,
-            help => 'Parameter_Overview',
-            },
-          { text => 'Set/Modify Resource Parameters - Table Mode',
-            action => 'settable',
-            permission => $parm_permission,
-            help => 'Table_Mode',
-            },
-           { divider => 'Existing Parameter Settings for Your Resources',
-	  },
-	  { text => 'Modify Resource Parameters - Overview Mode',
-            action => 'setoverview',
-            permission => $parm_permission,
-            help => 'Parameter_Overview',
- 	    },          
-	  { text => "Parameter Change Log and $crstype Blog Posting/User Notification",
-            action => 'parameterchangelog',
-            permission => $parm_permission,
-            },
+        ( { categorytitle=>'Settings for this Course',
+	    items => [
+		  { linktext => 'Course Environment',
+		    url => '/adm/parmset?action=crsenv',
+		    permission => $parm_permission,
+		    linktitle =>'Edit environment settings for this course.'  ,
+		    icon => 'preferences-desktop-remote-desktop.png'  ,
+		    #help => 'Course_Environment',
+		    },
+		  { linktext => 'Portfolio Metadata',
+		    url => '/adm/parmset?action=setrestrictmeta',
+		    permission => $parm_permission,
+		    linktitle => 'Restrict metadata for this course.' ,
+		    icon =>'contact-new.png'   ,
+		    },
+		  { linktext => 'Manage Course Slots',
+		    url => '/adm/slotrequest?command=showslots',
+		    permission => $vgr,
+		    linktitle =>'Manage slots for this course.'  ,
+		    icon => 'format-justify-fill.png'  ,
+		    },
+		  { linktext => 'Reset Student Access Times',
+		    url => '/adm/helper/resettimes.helper',
+		    permission => $mgr,
+		    linktitle =>'Reset access times for folders/maps, resources or the course.'  ,
+		    icon => 'start-here.png'  ,
+		    },
+
+		  { linktext => 'Set Parameter Setting Default Actions',
+		    url => '/adm/parmset?action=setdefaults',
+		    permission => $parm_permission,
+		    linktitle =>'Set default actions for parameters.'  ,
+		    icon => 'folder-new.png'  ,
+		    }]},          
+	  { categorytitle => 'New and Existing Parameter Settings for Resources',
+	    items => [
+		  { linktext => 'Edit Resource Parameters - Helper Mode',
+		    url => '/adm/helper/parameter.helper',
+		    permission => $parm_permission,
+		    linktitle =>'Set/Modify resource parameters in helper mode.'  ,
+		    icon => 'dialog-information.png'  ,
+		    #help => 'Parameter_Helper',
+		    },
+		  { linktext => 'Edit Resource Parameters - Overview Mode',
+		    url => '/adm/parmset?action=newoverview',
+		    permission => $parm_permission,
+		    linktitle =>'Set/Modify resource parameters in overview mode.'  ,
+		    icon => 'edit-find.png'  ,
+		    #help => 'Parameter_Overview',
+		    },
+		  { linktext => 'Edit Resource Parameters - Table Mode',
+		    url => '/adm/parmset?action=settable',
+		    permission => $parm_permission,
+		    linktitle =>'Set/Modify resource parameters in table mode.'  ,
+		    icon => 'edit-copy.png'  ,
+		    #help => 'Table_Mode',
+		    }]},
+           { categorytitle => 'Existing Parameter Settings for Resources',
+	     items => [
+		  { linktext => 'Modify Resource Parameters - Overview Mode',
+		    url => '/adm/parmset?action=setoverview',
+		    permission => $parm_permission,
+		    linktitle =>'Set/Modify existing resource parameters in overview mode.'  ,
+		    icon => 'preferences-desktop-wallpaper.png'  ,
+		    #help => 'Parameter_Overview',
+		    },          
+		  { linktext => 'Change Log',
+		    url => '/adm/parmset?action=parameterchangelog',
+		    permission => $parm_permission,
+		    linktitle =>'View parameter and course blog posting/user notification change log.'  ,
+		    icon => 'emblem-system.png'   ,
+		    }]}
           );
-    my $menu_html = '';
-    foreach my $menu_item (@menu) {
-	if ($menu_item->{'divider'}) {
-	    $menu_html .= '<h3>'.&mt($menu_item->{'divider'}).'</h3>';
-	    next;
-	}
-        next if (! $menu_item->{'permission'});
-        $menu_html.='<p>';
-        $menu_html.='<span class="LC_parm_menu_item">';
-        if (exists($menu_item->{'url'})) {
-            $menu_html.=qq{<a href="$menu_item->{'url'}">};
-        } else {
-            $menu_html.=
-                qq{<a href="/adm/parmset?action=$menu_item->{'action'}">};
-        }
-        $menu_html.= &mt($menu_item->{'text'}).'</a></span>';
-        if (exists($menu_item->{'help'})) {
-            $menu_html.=
-                &Apache::loncommon::help_open_topic($menu_item->{'help'});
-        }
-        $menu_html.='</p>'.$/;
-    }
-    $r->print($menu_html);
+    $r->print(&Apache::lonhtmlcommon::generate_menu(@menu));
     return;
 }
-### Set portfolio metadata
+
+
+
 sub output_row {
     my ($r, $field_name, $field_text, $added_flag) = @_;
     my $output;
@@ -3301,31 +3886,36 @@ sub output_row {
         my $multiple_checked;
         my $single_checked;
         if ($options =~ m/onlyone/) {
-            $multiple_checked = "";
+            $multiple_checked = '';
             $single_checked = ' checked="checked"';
         } else {
             $multiple_checked = ' checked="checked"';
-            $single_checked = "";
+            $single_checked = '';
         }
 	$output .= &Apache::loncommon::continue_data_table_row();
 	$output .= '<td>'.('&nbsp;' x 10).'<span class="LC_metadata">
-	            <input type="radio" name="'.$field_name.'_onlyone" value="multiple"'.$multiple_checked.' />'.
-	            &mt('Student may select multiple choices from list').'</span></td>';
+	            <input type="radio" name="'.$field_name.'_onlyone" value="multiple"'.$multiple_checked .' />
+	            '.&mt('Student may select multiple choices from list').'</span></td>';
 	$output .= &Apache::loncommon::end_data_table_row();
 	$output .= &Apache::loncommon::continue_data_table_row();
 	$output .= '<td>'.('&nbsp;' x 10).'<span class="LC_metadata">
-	            <input type="radio" name="'.$field_name.'_onlyone"  value="single"'.$single_checked.' />'.
-	            &mt('Student may select only one choice from list').'</span></td>';
+	            <input type="radio" name="'.$field_name.'_onlyone"  value="single"'.$single_checked.' />
+	            '.&mt('Student may select only one choice from list').'</span></td>';
 	$output .= &Apache::loncommon::end_data_table_row();
     }
     return ($output);
 }
+
+
+
 sub order_meta_fields {
     my ($r)=@_;
     my $idx = 1;
     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
     $r->print(&Apache::loncommon::start_page('Order Metadata Fields'));
+    &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=addmetadata',
+    	text=>"Add Metadata Field"});
     &Apache::lonhtmlcommon::add_breadcrumb
             ({href=>"/adm/parmset?action=setrestrictmeta",
               text=>"Restrict Metadata"},
@@ -3402,6 +3992,8 @@ sub order_meta_fields {
     $r->print('</table>');
     return 'ok';
 }
+
+
 sub continue {
     my $output;
     $output .= '<form action="" method="post">';
@@ -3409,8 +4001,12 @@ sub continue {
     $output .= '<input type="submit" value="Continue" />';
     return ($output);
 }
+
+
 sub addmetafield {
     my ($r)=@_;
+    &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=addmetadata',
+    	text=>"Add Metadata Field"});
     $r->print(&Apache::loncommon::start_page('Add Metadata Field'));
     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Add Metadata Field'));
     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
@@ -3455,12 +4051,17 @@ sub addmetafield {
     }
     $r->print('</form>');
 }
+
+
+
 sub setrestrictmeta {
     my ($r)=@_;
     my $next_meta;
     my $output;
     my $item_num;
     my $put_result;
+    &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=setrestrictmeta',
+    	text=>"Restrict Metadata"});
     $r->print(&Apache::loncommon::start_page('Restrict Metadata'));
     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Restrict Metadata'));
     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
@@ -3538,7 +4139,9 @@ ENDenv
     $r->print(&Apache::loncommon::end_page());
     return 'ok';
 }
-##################################################
+
+
+
 sub get_added_meta_fieldnames {
     my ($cid) = @_;
     my %fields;
@@ -3551,6 +4154,9 @@ sub get_added_meta_fieldnames {
     }
     return \%fields;
 }
+
+
+
 sub get_deleted_meta_fieldnames {
     my ($cid) = @_;
     my %fields;
@@ -3568,6 +4174,8 @@ sub get_deleted_meta_fieldnames {
 sub defaultsetter {
     my ($r) = @_;
 
+    &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=setdefaults',
+    	text=>"Set Defaults"});
     my $start_page = 
 	&Apache::loncommon::start_page('Parameter Setting Default Actions');
     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs('Defaults');
@@ -3706,12 +4314,12 @@ ENDINPUTDATE
 	} elsif ($defkeytype{$tempkey} eq 'string_yesno') {
             my $yeschecked='';
             my $nochecked='';
-            if (&rulescache($tempkey.'_value') eq 'yes') { $yeschecked=' checked="checked"'; }
-            if (&rulescache($tempkey.'_value') eq 'no') { $nochecked=' checked="checked"'; }
+            if (&rulescache($tempkey.'_value') eq 'yes') { $yeschecked='checked="checked"'; }
+            if (&rulescache($tempkey.'_value') eq 'no') { $nochecked='checked="checked"'; }
 
 	    $r->print(<<ENDYESNO);
-<label><input type="radio" name="$tempkey\_value" value="yes"$yeschecked /> $lt{'yes'}</label><br />
-<label><input type="radio" name="$tempkey\_value" value="no"$nochecked /> $lt{'no'}</label>
+<label><input type="radio" name="$tempkey\_value" value="yes" $yeschecked /> $lt{'yes'}</label><br />
+<label><input type="radio" name="$tempkey\_value" value="no" $nochecked /> $lt{'no'}</label>
 ENDYESNO
         } else {
 	    $r->print('<input type="text" size="20" name="'.$tempkey.'_value" value="'.&rulescache($tempkey.'_value').'" />');
@@ -3720,7 +4328,7 @@ ENDYESNO
     }
     $r->print(&Apache::loncommon::end_data_table().
 	      "\n".'<input type="submit" name="storerules" value="'.
-	      &mt('Save').'" /></form>'."\n".
+	      &mt('Save Rules').'" /></form>'."\n".
 	      &Apache::loncommon::end_page());
     return;
 }
@@ -3764,6 +4372,8 @@ sub components {
 }
 
 my %standard_parms;
+
+
 sub load_parameter_names {
     open(my $config,"<$Apache::lonnet::perlvar{'lonTabDir'}/packages.tab");
     while (my $configline=<$config>) {
@@ -3778,6 +4388,7 @@ sub load_parameter_names {
     close($config);
     $standard_parms{'int_pos'}      = 'Positive Integer';
     $standard_parms{'int_zero_pos'} = 'Positive Integer or Zero';
+    %standard_parms=&Apache::lonlocal::texthash(%standard_parms);	
 }
 
 sub standard_parameter_names {
@@ -3792,13 +4403,12 @@ sub standard_parameter_names {
     }
 }
 
-#
-# Parameter Change Log
-#
 
 
 sub parm_change_log {
     my ($r)=@_;
+    &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=settable',
+	text=>"Parameter Change Log"});
     $r->print(&Apache::loncommon::start_page('Parameter Change Log'));
     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Parameter Change Log'));
 
@@ -3891,18 +4501,15 @@ sub parm_change_log {
 	    } else {
 		$makenewrow=1;
 	    }
-            my $parmitem = &standard_parameter_names($parmname);
 	    $output .='<td>'.$realm.'</td><td>'.$section.'</td><td>'.
-		      &mt($parmitem).'</td><td>'.
+		      &standard_parameter_names($parmname).'</td><td>'.
 		      ($part?&mt('Part: [_1]',$part):&mt('All Parts')).'</td><td>';
 	    my $stillactive=0;
 	    if ($parmlog{$id}{'delflag'}) {
 		$output .= &mt('Deleted');
 	    } else {
 		if ($typeflag) {
-                    my $parmitem = &standard_parameter_names($value); 
-                    $parmitem = &mt($parmitem);
-                    $output .= &mt('Type: [_1]',$parmitem);
+		    $output .= &mt('Type: [_1]',&standard_parameter_names($value));
 		} else {
 		    my ($level,@all)=&parmval_by_symb($what,$middle,&Apache::lonnet::metadata($middle,$what),
 						      $uname,$udom,$issection,$issection,$courseopt);
@@ -3920,11 +4527,8 @@ sub parm_change_log {
 	    }
 	    $output .= '</td><td>';
 	    if ($stillactive) {
-                my $parmitem = &standard_parameter_names($parmname);
-                $parmitem = &mt($parmitem);
-                my $title=&mt('Changed [_1]',$parmitem);
-                my $description=&mt('Changed [_1] for [_2] to [_3]',
-                                    $parmitem,$realmdescription,
+		my $title=&mt('Changed [_1]',&standard_parameter_names($parmname));
+                my $description=&mt('Changed [_1] for [_2] to [_3]',&standard_parameter_names($parmname),$realmdescription,
 				    (&isdateparm($istype{$parmname})?&Apache::lonlocal::locallocaltime($value):$value));
 		if (($uname) && ($udom)) {
 		    $output .= 
@@ -3960,110 +4564,22 @@ sub parm_change_log {
     $r->print(&Apache::loncommon::end_page());
 }
 
-sub update_slots {
-    my ($slot_name,$cdom,$cnum,$symb,$uname,$udom) = @_;
-    my %slot=&Apache::lonnet::get_slot($slot_name);
-    if (!keys(%slot)) {
-        return 'error: slot does not exist';
-    }
-    my $max=$slot{'maxspace'};
-    if (!defined($max)) { $max=99999; }
-
-    my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
-                                       "^$slot_name\0");
-    my ($tmp)=%consumed;
-    if ($tmp=~/^error: 2 / ) {
-        return 'error: unable to determine current slot status';
-    }
-    my $last=0;
-    foreach my $key (keys(%consumed)) {
-        my $num=(split('\0',$key))[1];
-        if ($num > $last) { $last=$num; }
-        if ($consumed{$key}->{'name'} eq $uname.':'.$udom) {
-            return 'ok';
-        }
-    }
-
-    if (scalar(keys(%consumed)) >= $max) {
-        return 'error: no space left in slot';
-    }
-    my $wanted=$last+1;
-
-    my %reservation=('name'      => $uname.':'.$udom,
-                     'timestamp' => time,
-                     'symb'      => $symb);
-
-    my $success=&Apache::lonnet::newput('slot_reservations',
-                                        {"$slot_name\0$wanted" =>
-                                             \%reservation},
-                                        $cdom, $cnum);
-    if ($success eq 'ok') {
-        my %storehash = (
-                          symb    => $symb,
-                          slot    => $slot_name,
-                          action  => 'reserve',
-                          context => 'parameter',
-                        );
-        &Apache::lonnet::instructor_log('slotreservationslog',\%storehash,
-                                        '',$uname,$udom,$cnum,$cdom);
-
-        &Apache::lonnet::instructor_log($cdom.'_'.$cnum.'_slotlog',\%storehash,
-                                        '',$uname,$udom,$uname,$udom);
-    }
-    return $success;
-}
-
-sub delete_slots {
-    my ($slot_name,$cdom,$cnum,$uname,$udom,$symb) = @_;
-    my $delresult;
-    my %consumed = &Apache::lonnet::dump('slot_reservations',$cdom,
-                                         $cnum, "^$slot_name\0");
-    if (&Apache::lonnet::error(%consumed)) {
-        return 'error: unable to determine current slot status';
-    }
-    my ($tmp)=%consumed;
-    if ($tmp=~/^error: 2 /) {
-        return 'error: unable to determine current slot status';
-    }
-    foreach my $key (keys(%consumed)) {
-        if ($consumed{$key}->{'name'} eq $uname.':'.$udom) {
-            my $num=(split('\0',$key))[1];
-            my $entry = $slot_name.'\0'.$num;
-            $delresult = &Apache::lonnet::del('slot_reservations',[$entry],
-                                              $cdom,$cnum);
-            if ($delresult eq 'ok') {
-                my %storehash = (
-                                  symb    => $symb,
-                                  slot    => $slot_name,
-                                  action  => 'release',
-                                  context => 'parameter',
-                                );
-                &Apache::lonnet::instructor_log('slotreservationslog',\%storehash,
-                                                1,$uname,$udom,$cnum,$cdom);
-                &Apache::lonnet::instructor_log($cdom.'_'.$cnum.'_slotlog',\%storehash,
-                                                1,$uname,$udom,$uname,$udom);
-            }
-        }
-    }
-    return $delresult;
-}
-
 sub check_for_course_info {
     my $navmap = Apache::lonnavmaps::navmap->new();
     return 1 if ($navmap);
     return 0;
 }
 
+
 sub handler {
     my $r=shift;
 
     &reset_caches();
 
-    if ($r->header_only) {
-	&Apache::loncommon::content_type($r,'text/html');
-	$r->send_http_header;
-	return OK;
-    }
+    &Apache::loncommon::content_type($r,'text/html');
+    $r->send_http_header;
+    return OK if $r->header_only;
+
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 					    ['action','state',
                                              'pres_marker',
@@ -4087,12 +4603,6 @@ sub handler {
     my $exists = &check_for_course_info();
 
     if ($env{'request.course.id'} &&  $parm_permission && $exists) {
-
-        # Start Page
-        &Apache::loncommon::content_type($r,'text/html');
-        $r->send_http_header;
-
-
         #
         # Main switch on form.action and form.state, as appropriate
         #
@@ -4100,59 +4610,35 @@ sub handler {
         #  the table mode
         if ((($env{'form.command'} eq 'set') && ($env{'form.url'})
 	     && (!$env{'form.dis'})) || ($env{'form.symb'})) {
-            &Apache::lonhtmlcommon::add_breadcrumb({help=>'Problem_Parameters',
-						    text=>"Problem Parameters"});
 	    &assessparms($r);
-
         } elsif (! exists($env{'form.action'})) {
-            $r->print(&header());
-            $r->print(&Apache::lonhtmlcommon::breadcrumbs('Parameter Manager'));
             &print_main_menu($r,$parm_permission);
-        } elsif ($env{'form.action'} eq 'setoverview' && $parm_permission) {
-            &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=setoverview',
-						    text=>"Overview Mode"});
+        } elsif ($env{'form.action'} eq 'crsenv') {
+            &crsenv($r); 
+        } elsif ($env{'form.action'} eq 'setoverview') {
 	    &overview($r);
-	} elsif ($env{'form.action'} eq 'addmetadata' && $parm_permission) {
-            &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=addmetadata',
-						    text=>"Add Metadata Field"});
+	} elsif ($env{'form.action'} eq 'addmetadata') {
 	    &addmetafield($r);
-	} elsif ($env{'form.action'} eq 'ordermetadata' && $parm_permission) {
-            &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=addmetadata',
-						    text=>"Add Metadata Field"});
+	} elsif ($env{'form.action'} eq 'ordermetadata') {
 	    &order_meta_fields($r);
-        } elsif ($env{'form.action'} eq 'setrestrictmeta' && $parm_permission) {
-            &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=setrestrictmeta',
-						    text=>"Restrict Metadata"});
+        } elsif ($env{'form.action'} eq 'setrestrictmeta') {
 	    &setrestrictmeta($r);
-        } elsif ($env{'form.action'} eq 'newoverview' && $parm_permission) {
-            &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=setoverview',
-						    text=>"Overview Mode"});
+        } elsif ($env{'form.action'} eq 'newoverview') {
 	    &newoverview($r);
-        }  elsif ($env{'form.action'} eq 'setdefaults' && $parm_permission) {
-            &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=setdefaults',
-						    text=>"Set Defaults"});
+        } elsif ($env{'form.action'} eq 'setdefaults') {
 	    &defaultsetter($r);
-	} elsif ($env{'form.action'} eq 'settable' && $parm_permission) {
-            &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=settable',
-						    text=>"Table Mode",
-						    help => 'Course_Setting_Parameters'});
+	} elsif ($env{'form.action'} eq 'settable') {
 	    &assessparms($r);
-        } elsif ($env{'form.action'} eq 'parameterchangelog' && $parm_permission) {
-            &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=settable',
-						    text=>"Parameter Change Log"});
+        } elsif ($env{'form.action'} eq 'parameterchangelog') {
 	    &parm_change_log($r);
-        } elsif ($env{'form.action'} eq 'cleanparameters' && $parm_permission) {
-            &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=cleanparameters',
-						    text=>"Clean Parameters"});
+        } elsif ($env{'form.action'} eq 'cleanparameters') {
 	    &clean_parameters($r);
-        } elsif ($env{'form.action'} eq 'dateshift1' && $parm_permission) {
-            &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=dateshift1&timebase='.$env{'form.timebase'},
-                                                    text=>"Shifting Dates"});
+        } elsif ($env{'form.action'} eq 'dateshift1') {
             &date_shift_one($r);
-        } elsif ($env{'form.action'} eq 'dateshift2' && $parm_permission) {
-            &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=dateshift1&timebase='.$env{'form.timebase'},
-                                                    text=>"Shifting Dates"});
+        } elsif ($env{'form.action'} eq 'dateshift2') {
             &date_shift_two($r);
+	} elsif ($env{'form.action'} eq 'categorizecourse') {
+            &assign_course_categories($r);
         } 
     } else {
 # ----------------------------- Not in a course, or not allowed to modify parms
@@ -4173,3 +4659,4 @@ sub handler {
 1;
 __END__
 
+