--- loncom/interface/lonparmset.pm	2003/05/27 17:38:47	1.93
+++ loncom/interface/lonparmset.pm	2005/06/03 14:25:49	1.203
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set parameters for assessments
 #
-# $Id: lonparmset.pm,v 1.93 2003/05/27 17:38:47 bowersj2 Exp $
+# $Id: lonparmset.pm,v 1.203 2005/06/03 14:25:49 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -61,25 +61,17 @@ use Apache::loncommon;
 use GDBM_File;
 use Apache::lonhomework;
 use Apache::lonxml;
+use Apache::lonlocal;
+use Apache::lonnavmaps;
 
+# --- Caches local to lonparmset
 
-my %courseopt;
-my %useropt;
+my $parmhashid;
 my %parmhash;
+my $symbsid;
+my %symbs;
 
-my @ids;
-my %symbp;
-my %mapp;
-my %typep;
-my %keyp;
-
-my %maptitles;
-
-my $uname;
-my $udom;
-my $uhome;
-my $csec;
-my $coursename;
+# --- end local caches
 
 ##################################################
 ##################################################
@@ -96,10 +88,10 @@ 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 11 possible levels
 
-11- resource default
-10- map default
-9 - General Course
-8 - Map or Folder level in course
+11 - General Course
+10 - Map or Folder level in course
+9- resource default
+8- map default
 7 - resource level in course
 6 - General for section
 5 - Map or Folder level for section
@@ -111,87 +103,258 @@ Returns:  A list, the first item is the
 =cut
 
 ##################################################
-##################################################
 sub parmval {
-    my ($what,$id,$def)=@_;
+    my ($what,$id,$def,$uname,$udom,$csec)=@_;
+    return &parmval_by_symb($what,&symbcache($id),$def,$uname,$udom,$csec);
+}
+
+sub parmval_by_symb {
+    my ($what,$symb,$def,$uname,$udom,$csec)=@_;
+# load caches
+
+    &cacheparmhash();
+
+    my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+    my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+    my $useropt=&Apache::lonnet::get_userresdata($uname,$udom);
+    my $courseopt=&Apache::lonnet::get_courseresdata($cnum,$cdom);
+
+
     my $result='';
     my @outpar=();
 # ----------------------------------------------------- Cascading lookup scheme
+    my $map=(&Apache::lonnet::decode_symb($symb))[0];    
 
-    my $symbparm=$symbp{$id}.'.'.$what;
-    my $mapparm=$mapp{$id}.'___(all).'.$what;
+    my $symbparm=$symb.'.'.$what;
+    my $mapparm=$map.'___(all).'.$what;
 
-    my $seclevel=$ENV{'request.course.id'}.'.['.$csec.'].'.$what;
-    my $seclevelr=$ENV{'request.course.id'}.'.['.$csec.'].'.$symbparm;
-    my $seclevelm=$ENV{'request.course.id'}.'.['.$csec.'].'.$mapparm;
+    my $seclevel=$env{'request.course.id'}.'.['.$csec.'].'.$what;
+    my $seclevelr=$env{'request.course.id'}.'.['.$csec.'].'.$symbparm;
+    my $seclevelm=$env{'request.course.id'}.'.['.$csec.'].'.$mapparm;
 
-    my $courselevel=$ENV{'request.course.id'}.'.'.$what;
-    my $courselevelr=$ENV{'request.course.id'}.'.'.$symbparm;
-    my $courselevelm=$ENV{'request.course.id'}.'.'.$mapparm;
+    my $courselevel=$env{'request.course.id'}.'.'.$what;
+    my $courselevelr=$env{'request.course.id'}.'.'.$symbparm;
+    my $courselevelm=$env{'request.course.id'}.'.'.$mapparm;
 
-# -------------------------------------------------------- first, check default
 
-    if ($def) { $outpar[11]=$def; $result=11; }
 
-# ----------------------------------------------------- second, check map parms
+# --------------------------------------------------------- first, check course
 
-    my $thisparm=$parmhash{$symbparm};
-    if ($thisparm) { $outpar[10]=$thisparm; $result=10; }
-
-# --------------------------------------------------------- third, check course
-
-    if (defined($courseopt{$courselevel})) {
-	$outpar[9]=$courseopt{$courselevel};
-	$result=9;
+    if (defined($$courseopt{$courselevel})) {
+	$outpar[11]=$$courseopt{$courselevel};
+	$result=11;
     }
 
-    if (defined($courseopt{$courselevelm})) {
-	$outpar[8]=$courseopt{$courselevelm};
-	$result=8;
+    if (defined($$courseopt{$courselevelm})) {
+	$outpar[10]=$$courseopt{$courselevelm};
+	$result=10;
     }
 
-    if (defined($courseopt{$courselevelr})) {
-	$outpar[7]=$courseopt{$courselevelr};
+# ------------------------------------------------------- second, check default
+
+    if (defined($def)) { $outpar[9]=$def; $result=9; }
+
+# ------------------------------------------------------ third, check map parms
+
+    my $thisparm=$parmhash{$symbparm};
+    if (defined($thisparm)) { $outpar[8]=$thisparm; $result=8; }
+
+    if (defined($$courseopt{$courselevelr})) {
+	$outpar[7]=$$courseopt{$courselevelr};
 	$result=7;
     }
 
+# ------------------------------------------------------ fourth, back to course
     if (defined($csec)) {
-        if (defined($courseopt{$seclevel})) {
-	    $outpar[6]=$courseopt{$seclevel};
+        if (defined($$courseopt{$seclevel})) {
+	    $outpar[6]=$$courseopt{$seclevel};
 	    $result=6;
 	}
-        if (defined($courseopt{$seclevelm})) {
-	    $outpar[5]=$courseopt{$seclevelm};
+        if (defined($$courseopt{$seclevelm})) {
+	    $outpar[5]=$$courseopt{$seclevelm};
 	    $result=5;
 	}
 
-        if (defined($courseopt{$seclevelr})) {
-	    $outpar[4]=$courseopt{$seclevelr};
+        if (defined($$courseopt{$seclevelr})) {
+	    $outpar[4]=$$courseopt{$seclevelr};
 	    $result=4;
 	}
     }
 
-# ---------------------------------------------------------- fourth, check user
+# ---------------------------------------------------------- fifth, check user
 
     if (defined($uname)) {
-	if (defined($useropt{$courselevel})) {
-	    $outpar[3]=$useropt{$courselevel};
+	if (defined($$useropt{$courselevel})) {
+	    $outpar[3]=$$useropt{$courselevel};
 	    $result=3;
 	}
 
-	if (defined($useropt{$courselevelm})) {
-	    $outpar[2]=$useropt{$courselevelm};
+	if (defined($$useropt{$courselevelm})) {
+	    $outpar[2]=$$useropt{$courselevelm};
 	    $result=2;
 	}
 
-	if (defined($useropt{$courselevelr})) {
-	    $outpar[1]=$useropt{$courselevelr};
+	if (defined($$useropt{$courselevelr})) {
+	    $outpar[1]=$$useropt{$courselevelr};
 	    $result=1;
 	}
     }
     return ($result,@outpar);
 }
 
+sub resetparmhash {
+    $parmhashid='';
+}
+
+sub cacheparmhash {
+    if ($parmhashid eq  $env{'request.course.fn'}) { return; }
+    my %parmhashfile;
+    if (tie(%parmhashfile,'GDBM_File',
+	      $env{'request.course.fn'}.'_parms.db',&GDBM_READER(),0640)) {
+	%parmhash=%parmhashfile;
+	untie %parmhashfile;
+	$parmhashid=$env{'request.course.fn'};
+    }
+}
+
+sub resetsymbcache {
+    $symbsid='';
+}
+
+sub symbcache {
+    my $id=shift;
+    if ($symbsid ne $env{'request.course.id'}) {
+	%symbs=();
+    }
+    unless ($symbs{$id}) {
+	my $navmap = Apache::lonnavmaps::navmap->new();
+	if ($id=~/\./) {
+	    my $resource=$navmap->getById($id);
+	    $symbs{$id}=$resource->symb();
+	} else {
+	    my $resource=$navmap->getByMapPc($id);
+	    $symbs{$id}=&Apache::lonnet::declutter($resource->src());
+	}
+	$symbsid=$env{'request.course.id'};
+    }
+    return $symbs{$id};
+}
+
+##################################################
+##################################################
+#
+# Store a parameter by ID
+#
+# Takes
+# - resource id
+# - name of parameter
+# - level
+# - new value
+# - new type
+# - username
+# - userdomain
+
+sub storeparm {
+    my ($sresid,$spnam,$snum,$nval,$ntype,$uname,$udom,$csec)=@_;
+    &storeparm_by_symb(&symbcache($sresid),$spnam,$snum,$nval,$ntype,$uname,$udom,$csec);
+}
+
+#
+# Store a parameter by symb
+#
+# Takes
+# - symb
+# - name of parameter
+# - level
+# - new value
+# - new type
+# - username
+# - userdomain
+
+sub storeparm_by_symb {
+# ---------------------------------------------------------- Get symb, map, etc
+    my ($symb,$spnam,$snum,$nval,$ntype,$uname,$udom,$csec)=@_;
+# ---------------------------------------------------------- Construct prefixes
+    $spnam=~s/\_([^\_]+)$/\.$1/;
+    my $map=(&Apache::lonnet::decode_symb($symb))[0];    
+    my $symbparm=$symb.'.'.$spnam;
+    my $mapparm=$map.'___(all).'.$spnam;
+
+    my $seclevel=$env{'request.course.id'}.'.['.$csec.'].'.$spnam;
+    my $seclevelr=$env{'request.course.id'}.'.['.$csec.'].'.$symbparm;
+    my $seclevelm=$env{'request.course.id'}.'.['.$csec.'].'.$mapparm;
+    
+    my $courselevel=$env{'request.course.id'}.'.'.$spnam;
+    my $courselevelr=$env{'request.course.id'}.'.'.$symbparm;
+    my $courselevelm=$env{'request.course.id'}.'.'.$mapparm;
+    
+    my $storeunder='';
+    if (($snum==11) || ($snum==3)) { $storeunder=$courselevel; }
+    if (($snum==10) || ($snum==2)) { $storeunder=$courselevelm; }
+    if (($snum==7) || ($snum==1)) { $storeunder=$courselevelr; }
+    if ($snum==6) { $storeunder=$seclevel; }
+    if ($snum==5) { $storeunder=$seclevelm; }
+    if ($snum==4) { $storeunder=$seclevelr; }
+    
+    my $delete;
+    if ($nval eq '') { $delete=1;}
+    my %storecontent = ($storeunder         => $nval,
+			$storeunder.'.type' => $ntype);
+    my $reply='';
+    if ($snum>3) {
+# ---------------------------------------------------------------- Store Course
+#
+	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+# Expire sheets
+	&Apache::lonnet::expirespread('','','studentcalc');
+	if (($snum==7) || ($snum==4)) {
+	    &Apache::lonnet::expirespread('','','assesscalc',$symb);
+	} elsif (($snum==8) || ($snum==5)) {
+	    &Apache::lonnet::expirespread('','','assesscalc',$map);
+	} else {
+	    &Apache::lonnet::expirespread('','','assesscalc');
+	}
+# Store parameter
+	if ($delete) {
+	    $reply=&Apache::lonnet::del
+		('resourcedata',[keys(%storecontent)],$cdom,$cnum);
+	} else {
+	    $reply=&Apache::lonnet::cput
+		('resourcedata',\%storecontent,$cdom,$cnum);
+	}
+	&Apache::lonnet::devalidatecourseresdata($cnum,$cdom);
+    } else {
+# ------------------------------------------------------------------ Store User
+#
+# Expire sheets
+	&Apache::lonnet::expirespread($uname,$udom,'studentcalc');
+	if ($snum==1) {
+	    &Apache::lonnet::expirespread
+		($uname,$udom,'assesscalc',$symb);
+	} elsif ($snum==2) {
+	    &Apache::lonnet::expirespread
+		($uname,$udom,'assesscalc',$map);
+	} else {
+	    &Apache::lonnet::expirespread($uname,$udom,'assesscalc');
+	}
+# Store parameter
+	if ($delete) {
+	    $reply=&Apache::lonnet::del
+		('resourcedata',[keys(%storecontent)],$udom,$uname);
+	} else {
+	    $reply=&Apache::lonnet::cput
+		('resourcedata',\%storecontent,$udom,$uname);
+	}
+	&Apache::lonnet::devalidateuserresdata($uname,$udom);
+    }
+    
+    if ($reply=~/^error\:(.*)/) {
+	return "<font color=red>Write Error: $1</font>";
+    }
+    return '';
+}
+
 ##################################################
 ##################################################
 
@@ -272,9 +435,9 @@ sub plink {
     my $winvalue=$value;
     unless ($winvalue) {
 	if ($type=~/^date/) {
-            $winvalue=$ENV{'form.recent_'.$type};
+            $winvalue=$env{'form.recent_'.$type};
         } else {
-            $winvalue=$ENV{'form.recent_'.(split(/\_/,$type))[0]};
+            $winvalue=$env{'form.recent_'.(split(/\_/,$type))[0]};
         }
     }
     return 
@@ -283,18 +446,29 @@ sub plink {
 		&valout($value,$type).'</a><a name="'.$marker.'"></a>';
 }
 
-
 sub startpage {
-    my ($r,$id,$udom,$csec,$uname)=@_;
- 
-    my $bodytag=&Apache::loncommon::bodytag('Set Course Parameters','',
+    my ($r,$id,$udom,$csec,$uname,$have_assessments)=@_;
+
+    my $bodytag=&Apache::loncommon::bodytag('Set/Modify Course Parameters','',
                                             'onUnload="pclose()"');
+    my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs(undef,'Table');
     my $chooseopt=&Apache::loncommon::select_dom_form($udom,'udom').' '.
         &Apache::loncommon::selectstudent_link('parmform','uname','udom');
     my $selscript=&Apache::loncommon::studentbrowser_javascript();
     my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
+    my %lt=&Apache::lonlocal::texthash(
+                    'captm' => "Course Assessments Parameters - Table Mode",
+		    'sg'    => "Section/Group",
+		    'fu'    => "For User",
+		    'oi'    => "or ID",
+		    'ad'    => "at Domain"
+				       );
+    my $overallhelp=
+	&Apache::loncommon::help_open_menu('','Setting Parameters','Course_Setting_Parameters','',10,'Instructor Interface');
+    my $assessparmhelp=&Apache::loncommon::help_open_topic("Cascading_Parameters","Assessment Parameters");
+    my $html=&Apache::lonxml::xmlbegin();
     $r->print(<<ENDHEAD);
-<html>
+$html
 <head>
 <title>LON-CAPA Course Parameters</title>
 <script>
@@ -341,59 +515,72 @@ sub startpage {
 $selscript
 </head>
 $bodytag
+$breadcrumbs
+$overallhelp
+ENDHEAD
+    my %sectionhash=();
+    my $sections='';
+    if (&Apache::loncommon::get_sections(
+                 $env{'course.'.$env{'request.course.id'}.'.domain'},
+                 $env{'course.'.$env{'request.course.id'}.'.num'},
+					 \%sectionhash)) {
+        $sections=$lt{'sg'}.': <select name="csec">';
+	foreach ('',sort keys %sectionhash) {
+	    $sections.='<option value="'.$_.'"'.
+		($_ eq $csec?'selected="selected"':'').'>'.$_.'</option>';
+        }
+        $sections.='</select>';
+     }
+     $r->print(<<ENDHEAD3);
+<form method="post" action="/adm/parmset?action=settable" name="parmform">
+<h4>$lt{'captm'}</h4>
+ENDHEAD3
 
-<a href="/adm/helper/parameter.helper">Use Assignment Parameter Helper</a>, a
-simpler interface to set open, due, or answer open dates for problems or sequences.
-
-<form method="post" action="/adm/parmset" name="envform">
-<h3>Course Environment</h3>
-<input type="submit" name="crsenv" value="Set Course Environment">
-</form>
-<form method="post" action="/adm/parmset" name="parmform">
-<h3>Course Assessments</h3>
+    if (!$have_assessments) {
+	$r->print('<font color="red">'.&mt('There are no assessment parameters in this course to set.').'</font><br />');	
+    } else {
+	$r->print(<<ENDHEAD);
 <b>
-Section/Group:
-<input type="text" value="$csec" size="6" name="csec">
-<br>
-For User 
-<input type="text" value="$uname" size="12" name="uname">
-or ID
-<input type="text" value="$id" size="12" name="id"> 
-at Domain 
+$sections
+<br />
+$lt{'fu'} 
+<input type="text" value="$uname" size="12" name="uname" />
+$lt{'oi'}
+<input type="text" value="$id" size="12" name="id" /> 
+$lt{'ad'}
 $chooseopt
 </b>
 <input type="hidden" value='' name="pres_value">
 <input type="hidden" value='' name="pres_type">
 <input type="hidden" value='' name="pres_marker">
 ENDHEAD
-
+    }
 }
 
 sub print_row {
-    my ($r,$which,$part,$name,$rid,$default,$defaulttype,$display,$defbgone,
-	$defbgtwo,$parmlev)=@_;
+    my ($r,$which,$part,$name,$symbp,$rid,$default,$defaulttype,$display,$defbgone,
+	$defbgtwo,$parmlev,$uname,$udom,$csec)=@_;
 # get the values for the parameter in cascading order
 # empty levels will remain empty
     my ($result,@outpar)=&parmval($$part{$which}.'.'.$$name{$which},
-				  $rid,$$default{$which});
+				  $rid,$$default{$which},$uname,$udom,$csec);
 # get the type for the parameters
 # problem: these may not be set for all levels
     my ($typeresult,@typeoutpar)=&parmval($$part{$which}.'.'.
                                           $$name{$which}.'.type',
-				  $rid,$$defaulttype{$which});
+				  $rid,$$defaulttype{$which},$uname,$udom,$csec);
 # cascade down manually
-    my $cascadetype=$defaulttype;
-    for (my $i=$#typeoutpar;$i>0;$i--) {
+    my $cascadetype=$$defaulttype{$which};
+    for (my $i=11;$i>0;$i--) {
 	 if ($typeoutpar[$i]) { 
             $cascadetype=$typeoutpar[$i];
 	} else {
             $typeoutpar[$i]=$cascadetype;
         }
     }
- 
     my $parm=$$display{$which};
 
-    if ($parmlev eq 'full' || $parmlev eq 'brief') {
+    if ($parmlev eq 'full') {
         $r->print('<td bgcolor='.$defbgtwo.' align="center">'
                   .$$part{$which}.'</td>');
     } else {    
@@ -413,7 +600,7 @@ sub print_row {
         } elsif ($csec) {
             &print_td($r,6,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display); 
         } else {
-            &print_td($r,9,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display); 
+            &print_td($r,11,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display); 
         }
     } elsif ($parmlev eq 'map') {
 
@@ -422,57 +609,47 @@ sub print_row {
         } elsif ($csec) {
             &print_td($r,5,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
         } else {
-            &print_td($r,8,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+            &print_td($r,10,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
         }
     } else {
 
-        &print_td($r,11,'#FFDDDD',$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
-
-        if ($parmlev eq 'brief') {
-
-           &print_td($r,7,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
-
-           if ($csec) {
-               &print_td($r,4,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
-           }
-           if ($uname) {
-               &print_td($r,1,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
-           }
-        } else {
+        &print_td($r,11,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
 
-           &print_td($r,10,'#FFDDDD',$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
-           &print_td($r,9,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
-           &print_td($r,8,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
-           &print_td($r,7,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+	&print_td($r,10,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+	&print_td($r,9,'#FFDDDD',$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+	&print_td($r,8,'#FFDDDD',$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+	&print_td($r,7,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+	
+	if ($csec) {
+	    &print_td($r,6,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+	    &print_td($r,5,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+	    &print_td($r,4,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+	}
+	if ($uname) {
+	    &print_td($r,3,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+	    &print_td($r,2,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+	    &print_td($r,1,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
+	}
 
-           if ($csec) {
-               &print_td($r,6,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
-               &print_td($r,5,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
-               &print_td($r,4,$defbgtwo,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
-           }
-           if ($uname) {
-               &print_td($r,3,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
-               &print_td($r,2,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
-               &print_td($r,1,$defbgone,$result,\@outpar,$mprefix,$_,\@typeoutpar,$display);
-           }
-        } # end of $brief if/else
     } # end of $parmlev if/else
 
-    if ($parmlev eq 'full' || $parmlev eq 'brief') {
-        $r->print('<td bgcolor=#CCCCFF align="center">'.
+    $r->print('<td bgcolor=#CCCCFF align="center">'.
                   &valout($outpar[$result],$typeoutpar[$result]).'</td>');
-    }
-    my $sessionval=&Apache::lonnet::EXT('resource.'.$$part{$which}.
-                                        '.'.$$name{$which},$symbp{$rid});
+
+    if ($parmlev eq 'full') {
+        my $sessionval=&Apache::lonnet::EXT('resource.'.$$part{$which}.
+                                        '.'.$$name{$which},$$symbp{$rid});
+
 # this doesn't seem to work, and I don't think is correct
 #    my $sessionvaltype=&Apache::lonnet::EXT('resource.'.$$part{$which}.
 #                                      '.'.$$name{$which}.'.type',$symbp{$rid});
 # this seems to work
-    my $sessionvaltype=$typeoutpar[$result];
-    if (!defined($sessionvaltype)) { $sessionvaltype=$$defaulttype{$which}; }
-    $r->print('<td bgcolor=#999999 align="center"><font color=#FFFFFF>'.
+        my $sessionvaltype=$typeoutpar[$result];
+        if (!defined($sessionvaltype)) { $sessionvaltype=$$defaulttype{$which}; }
+        $r->print('<td bgcolor=#999999 align="center"><font color=#FFFFFF>'.
                   &valout($sessionval,$sessionvaltype).'&nbsp;'.
                   '</font></td>');
+    }
     $r->print('</tr>');
     $r->print("\n");
 }
@@ -480,25 +657,18 @@ sub print_row {
 sub print_td {
     my ($r,$which,$defbg,$result,$outpar,$mprefix,$value,$typeoutpar,$display)=@_;
     $r->print('<td bgcolor='.(($result==$which)?'"#AAFFAA"':$defbg).
-              ' align="center">'.
-              &plink($$typeoutpar[$which],$$display{$value},$$outpar[$which],
-                     $mprefix."$which",'parmform.pres','psub').'</td>'."\n");
-}
-
-sub get_env_multiple {
-    my ($name) = @_;
-    my @values;
-    if (defined($ENV{$name})) {
-        # exists is it an array
-        if (ref($ENV{$name})) {
-            @values=@{ $ENV{$name} };
-        } else {
-            $values[0]=$ENV{$name};
-        }
+              ' align="center">');
+    if ($which<8 || $which > 9) {
+	$r->print(&plink($$typeoutpar[$which],
+			 $$display{$value},$$outpar[$which],
+			 $mprefix."$which",'parmform.pres','psub'));
+    } else {
+	$r->print(&valout($$outpar[$which],$$typeoutpar[$which]));
     }
-    return(@values);
+    $r->print('</td>'."\n");
 }
 
+
 =pod
 
 =item B<extractResourceInformation>: Given the course data hash, extractResourceInformation extracts lots of information about the course's resources into a variety of hashes.
@@ -511,7 +681,7 @@ Input: See list below:
 
 =item B<typep>: hash, id->type, where "type" contains the extension of the file, thus, I<problem exam quiz assess survey form>.
 
-=item B<keyp>: hash, id->key list, will contain a comma seperated list of the meta-data keys available for the given id
+=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?)
 
@@ -534,7 +704,6 @@ Input: See list below:
 =cut
 
 sub extractResourceInformation {
-    my $bighash = shift;
     my $ids = shift;
     my $typep = shift;
     my $keyp = shift;
@@ -547,55 +716,62 @@ sub extractResourceInformation {
     my $mapp = shift;
     my $symbp = shift;
     my $maptitles=shift;
+    my $uris=shift;
+
 
-    foreach (keys %$bighash) {
-	if ($_=~/^src\_(\d+)\.(\d+)$/) {
-	    my $mapid=$1;
-	    my $resid=$2;
-	    my $id=$mapid.'.'.$resid;
-	    my $srcf=$$bighash{$_};
-	    if ($srcf=~/\.(problem|exam|quiz|assess|survey|form)$/) {
-		$$ids[$#$ids+1]=$id;
-		$$typep{$id}=$1;
-		$$keyp{$id}='';
-		foreach (split(/\,/,&Apache::lonnet::metadata($srcf,'allpossiblekeys'))) {
-		  if ($_=~/^parameter\_(.*)/) {
-                    my $key=$_;
-                    my $allkey=$1;
-                    $allkey=~s/\_/\./g;
-                    my $display= &Apache::lonnet::metadata($srcf,$key.'.display');
-                    my $name=&Apache::lonnet::metadata($srcf,$key.'.name');
-                    my $part= &Apache::lonnet::metadata($srcf,$key.'.part');
-                    my $parmdis = $display;
-                    $parmdis =~ s|(\[Part.*$)||g;
-                    my $partkey = $part;
-                    $partkey =~ tr|_|.|;
-                    $$allparms{$name} = $parmdis;
-                    $$allparts{$part} = "[Part $part]";
-                    $$allkeys{$allkey}=$display;
-                    if ($allkey eq $fcat) {
-		        $$defp{$id}= &Apache::lonnet::metadata($srcf,$key);
-		    }
-		    if ($$keyp{$id}) {
-		        $$keyp{$id}.=','.$key;
-		    } else {
-		        $$keyp{$id}=$key;
-		    }
-		  }
+    my $navmap = Apache::lonnavmaps::navmap->new();
+    my @allres=$navmap->retrieveResources(undef,undef,1,undef,1);
+    foreach my $resource (@allres) {
+	my $id=$resource->id();
+        my ($mapid,$resid)=split(/\./,$id);
+	if ($mapid eq '0') { next; }
+	$$ids[$#$ids+1]=$id;
+	my $srcf=$resource->src();
+	$srcf=~/\.(\w+)$/;
+	$$typep{$id}=$1;
+	$$keyp{$id}='';
+        $$uris{$id}=$srcf;
+	foreach (split(/\,/,&Apache::lonnet::metadata($srcf,'allpossiblekeys'))) {
+	    if ($_=~/^parameter\_(.*)/) {
+		my $key=$_;
+		my $allkey=$1;
+		$allkey=~s/\_/\./g;
+		if (&Apache::lonnet::metadata($srcf,$key.'.hidden') eq 
+		    'parm') {
+		    next; #hide hidden things
+		}
+		my $display= &Apache::lonnet::metadata($srcf,$key.'.display');
+		my $name=&Apache::lonnet::metadata($srcf,$key.'.name');
+		my $part= &Apache::lonnet::metadata($srcf,$key.'.part');
+		my $parmdis = $display;
+		$parmdis =~ s|(\[Part.*)$||g;
+		my $partkey = $part;
+		$partkey =~ tr|_|.|;
+		$$allparms{$name} = $parmdis;
+		$$allparts{$part} = "[Part $part]";
+		$$allkeys{$allkey}=$display;
+		if ($allkey eq $fcat) {
+		    $$defp{$id}= &Apache::lonnet::metadata($srcf,$key);
+		}
+		if ($$keyp{$id}) {
+		    $$keyp{$id}.=','.$key;
+		} else {
+		    $$keyp{$id}=$key;
 		}
-		$$mapp{$id}=
-		    &Apache::lonnet::declutter($$bighash{'map_id_'.$mapid});
-                $$mapp{$mapid}=$$mapp{$id};
-		$$allmaps{$mapid}=$$mapp{$id};
-		$$maptitles{$mapid}=
- $$bighash{'title_'.$$bighash{'ids_'.&Apache::lonnet::clutter($$mapp{$id})}};
-		$$maptitles{$$mapp{$id}}=$$maptitles{$mapid};
-		$$symbp{$id}=$$mapp{$id}.
-			'___'.$resid.'___'.
-			    &Apache::lonnet::declutter($srcf);
-                $$symbp{$mapid}=$$mapp{$id}.'___(all)';
 	    }
 	}
+	$$mapp{$id}=
+	    &Apache::lonnet::declutter($resource->enclosing_map_src());
+	$$mapp{$mapid}=$$mapp{$id};
+	$$allmaps{$mapid}=$$mapp{$id};
+	if ($mapid eq '1') {
+	    $$maptitles{$mapid}='Main Course Documents';
+	} else {
+	    $$maptitles{$mapid}=&Apache::lonnet::gettitle(&Apache::lonnet::clutter($$mapp{$id}));
+	}
+	$$maptitles{$$mapp{$id}}=$$maptitles{$mapid};
+	$$symbp{$id}=&Apache::lonnet::encode_symb($$mapp{$id},$resid,$srcf);
+	$$symbp{$mapid}=$$mapp{$id}.'___(all)';
     }
 }
 
@@ -632,13 +808,28 @@ Variables used (guessed by Jeremy):
 sub assessparms {
 
     my $r=shift;
+
+    my @ids=();
+    my %symbp=();
+    my %mapp=();
+    my %typep=();
+    my %keyp=();
+    my %uris=();
+    my %maptitles=();
+
 # -------------------------------------------------------- Variable declaration
-    my %allkeys;
-    my %allmaps;
-    my %alllevs;
+    my %allkeys=();
+    my %allmaps=();
+    my %alllevs=();
+
+    my $uname;
+    my $udom;
+    my $uhome;
+    my $csec;
+ 
+    my $coursename=$env{'course.'.$env{'request.course.id'}.'.description'};
 
     $alllevs{'Resource Level'}='full';
-#    $alllevs{'Resource Level [BRIEF]'}='brief';
     $alllevs{'Map Level'}='map';
     $alllevs{'Course Level'}='general';
 
@@ -646,9 +837,6 @@ sub assessparms {
     my %allparts;
 
     my %defp;
-    %courseopt=();
-    %useropt=();
-    my %bighash=();
 
     @ids=();
     %symbp=();
@@ -656,60 +844,62 @@ sub assessparms {
 
     my $message='';
 
-    $csec=$ENV{'form.csec'};
-    $udom=$ENV{'form.udom'};
-    unless ($udom) { $udom=$r->dir_config('lonDefDomain'); }
-
-    my @pscat=&get_env_multiple('form.pscat');
-    my $pschp=$ENV{'form.pschp'};
-    my @psprt=&get_env_multiple('form.psprt');
+    $csec=$env{'form.csec'};
+
+    if      ($udom=$env{'form.udom'}) {
+    } elsif ($udom=$env{'request.role.domain'}) {
+    } elsif ($udom=$env{'user.domain'}) {
+    } else {
+	$udom=$r->dir_config('lonDefDomain');
+    }
+
+    my @pscat=&Apache::loncommon::get_env_multiple('form.pscat');
+    my $pschp=$env{'form.pschp'};
+    my @psprt=&Apache::loncommon::get_env_multiple('form.psprt');
     if (!@psprt) { $psprt[0]='0'; }
-    my $showoptions=$ENV{'form.showoptions'};
+    my $showoptions=$env{'form.showoptions'};
 
     my $pssymb='';
     my $parmlev='';
-    my $prevvisit=$ENV{'form.prevvisit'};
-
-#    unless ($parmlev==$ENV{'form.parmlev'}) {
-#        $parmlev = 'full';
-#    }
+    my $prevvisit=$env{'form.prevvisit'};
  
-    unless ($ENV{'form.parmlev'}) {
+    unless ($env{'form.parmlev'}) {
         $parmlev = 'map';
     } else {
-        $parmlev = $ENV{'form.parmlev'};
+        $parmlev = $env{'form.parmlev'};
     }
 
 # ----------------------------------------------- Was this started from grades?
 
-    if (($ENV{'form.command'} eq 'set') && ($ENV{'form.url'})
-	&& (!$ENV{'form.dis'})) {
-	my $url=$ENV{'form.url'};
+    if (($env{'form.command'} eq 'set') && ($env{'form.url'})
+	&& (!$env{'form.dis'})) {
+	my $url=$env{'form.url'};
 	$url=~s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
 	$pssymb=&Apache::lonnet::symbread($url);
 	if (!@pscat) { @pscat=('all'); }
 	$pschp='';
         $parmlev = 'full';
-    } elsif ($ENV{'form.symb'}) {
-	$pssymb=$ENV{'form.symb'};
+    } elsif ($env{'form.symb'}) {
+	$pssymb=$env{'form.symb'};
 	if (!@pscat) { @pscat=('all'); }
 	$pschp='';
         $parmlev = 'full';
     } else {
-	$ENV{'form.url'}='';
+	$env{'form.url'}='';
     }
 
-    my $id=$ENV{'form.id'};
+    my $id=$env{'form.id'};
     if (($id) && ($udom)) {
 	$uname=(&Apache::lonnet::idget($udom,$id))[1];
 	if ($uname) {
 	    $id='';
 	} else {
 	    $message=
-		"<font color=red>Unknown ID '$id' at domain '$udom'</font>";
+		"<font color=red>".&mt("Unknown ID")." '$id' ".
+		&mt('at domain')." '$udom'</font>";
 	}
     } else {
-	$uname=$ENV{'form.uname'};
+	$uname=$env{'form.uname'};
     }
     unless ($udom) { $uname=''; }
     $uhome='';
@@ -717,157 +907,58 @@ sub assessparms {
 	$uhome=&Apache::lonnet::homeserver($uname,$udom);
         if ($uhome eq 'no_host') {
 	    $message=
-		"<font color=red>Unknown user '$uname' at domain '$udom'</font>";
+		"<font color=red>".&mt("Unknown user")." '$uname' ".
+		&mt("at domain")." '$udom'</font>";
 	    $uname='';
         } else {
-	    $csec=&Apache::lonnet::usection($udom,$uname,
-					    $ENV{'request.course.id'});
+	    $csec=&Apache::lonnet::getsection($udom,$uname,
+					      $env{'request.course.id'});
 	    if ($csec eq '-1') {
 		$message="<font color=red>".
-		    "User '$uname' at domain '$udom' not ".
-                    "in this course</font>";
+		    &mt("User")." '$uname' ".&mt("at domain")." '$udom' ".
+		    &mt("not in this course")."</font>";
 		$uname='';
-		$csec=$ENV{'form.csec'};
+		$csec=$env{'form.csec'};
 	    } else {
 		my %name=&Apache::lonnet::userenvironment($udom,$uname,
 		      ('firstname','middlename','lastname','generation','id'));
-		$message="\n<p>\nFull Name: ".
+		$message="\n<p>\n".&mt("Full Name").": ".
 		    $name{'firstname'}.' '.$name{'middlename'}.' '
 			.$name{'lastname'}.' '.$name{'generation'}.
-			    "<br>\nID: ".$name{'id'}.'<p>';
+			    "<br>\n".&mt('ID').": ".$name{'id'}.'<p>';
 	    }
         }
     }
 
     unless ($csec) { $csec=''; }
 
-    my $fcat=$ENV{'form.fcat'};
+    my $fcat=$env{'form.fcat'};
     unless ($fcat) { $fcat=''; }
 
-# ------------------------------------------------------------------- Tie hashs
-    if (!(tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db',
-	      &GDBM_READER(),0640))) {
-	$r->print("Unable to access course data. (File $ENV{'request.course.fn'}.db not tieable)");
-	return ;
-    }
-    if (!(tie(%parmhash,'GDBM_File',
-	      $ENV{'request.course.fn'}.'_parms.db',&GDBM_READER(),0640))) {
-	$r->print("Unable to access parameter data. (File $ENV{'request.course.fn'}_parms.db not tieable)");
-	return ;
-    }
-
 # --------------------------------------------------------- Get all assessments
-    extractResourceInformation(\%bighash, \@ids, \%typep,\%keyp, \%allparms, \%allparts, \%allkeys, \%allmaps, $fcat, \%defp, \%mapp, \%symbp,\%maptitles);
+    &extractResourceInformation(\@ids, \%typep,\%keyp, \%allparms, \%allparts, \%allkeys, \%allmaps, $fcat, \%defp, \%mapp, \%symbp,\%maptitles,\%uris);
 
     $mapp{'0.0'} = '';
     $symbp{'0.0'} = '';
-# ---------------------------------------------------------- Anything to store?
-    if ($ENV{'form.pres_marker'}) {
-	my ($sresid,$spnam,$snum)=split(/\&/,$ENV{'form.pres_marker'});
-	$spnam=~s/\_([^\_]+)$/\.$1/;
-# ---------------------------------------------------------- Construct prefixes
 
-	my $symbparm=$symbp{$sresid}.'.'.$spnam;
-	my $mapparm=$mapp{$sresid}.'___(all).'.$spnam;
-	
-	my $seclevel=$ENV{'request.course.id'}.'.['.$csec.'].'.$spnam;
-	my $seclevelr=$ENV{'request.course.id'}.'.['.$csec.'].'.$symbparm;
-	my $seclevelm=$ENV{'request.course.id'}.'.['.$csec.'].'.$mapparm;
-	
-	my $courselevel=$ENV{'request.course.id'}.'.'.$spnam;
-	my $courselevelr=$ENV{'request.course.id'}.'.'.$symbparm;
-	my $courselevelm=$ENV{'request.course.id'}.'.'.$mapparm;
-	
-	my $storeunder='';
-	if (($snum==9) || ($snum==3)) { $storeunder=$courselevel; }
-	if (($snum==8) || ($snum==2)) { $storeunder=$courselevelm; }
-	if (($snum==7) || ($snum==1)) { $storeunder=$courselevelr; }
-	if ($snum==6) { $storeunder=$seclevel; }
-	if ($snum==5) { $storeunder=$seclevelm; }
-	if ($snum==4) { $storeunder=$seclevelr; }
-	
-	my $delete;
-	if ($ENV{'form.pres_value'} eq '') { $delete=1;}
-        my %storecontent = ($storeunder         => $ENV{'form.pres_value'},
-                            $storeunder.'.type' => $ENV{'form.pres_type'});
-	my $reply='';
-	if ($snum>3) {
-# ---------------------------------------------------------------- Store Course
-#
-# Expire sheets
-	    &Apache::lonnet::expirespread('','','studentcalc');
-	    if (($snum==7) || ($snum==4)) {
-		&Apache::lonnet::expirespread('','','assesscalc',$symbp{$sresid});
-	    } elsif (($snum==8) || ($snum==5)) {
-		&Apache::lonnet::expirespread('','','assesscalc',$mapp{$sresid});
-	    } else {
-		&Apache::lonnet::expirespread('','','assesscalc');
-	    }
-# Store parameter
-	    if ($delete) {
-		$reply=&Apache::lonnet::del
-		    ('resourcedata',[keys(%storecontent)],
-		     $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
-		     $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
-	    } else {
-		$reply=&Apache::lonnet::cput
-		    ('resourcedata',\%storecontent,
-		     $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
-		     $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
-	    }
-	} else {
-# ------------------------------------------------------------------ Store User
-#
-# Expire sheets
-	    &Apache::lonnet::expirespread($uname,$udom,'studentcalc');
-	    if ($snum==1) {
-		&Apache::lonnet::expirespread
-		    ($uname,$udom,'assesscalc',$symbp{$sresid});
-	    } elsif ($snum==2) {
-		&Apache::lonnet::expirespread
-		    ($uname,$udom,'assesscalc',$mapp{$sresid});
-	    } else {
-		&Apache::lonnet::expirespread($uname,$udom,'assesscalc');
-	    }
-# Store parameter
-	    if ($delete) {
-		$reply=&Apache::lonnet::del
-		    ('resourcedata',[keys(%storecontent)],$udom,$uname);
-	    } else {
-		$reply=&Apache::lonnet::cput
-		    ('resourcedata',\%storecontent,$udom,$uname);
-	    }
-	}
-
-	if ($reply=~/^error\:(.*)/) {
-	    $message.="<font color=red>Write Error: $1</font>";
-	}
+# ---------------------------------------------------------- Anything to store?
+    if ($env{'form.pres_marker'}) {
+	$message.=&storeparm(split(/\&/,$env{'form.pres_marker'}),
+			     $env{'form.pres_value'},
+			     $env{'form.pres_type'},
+                             $uname,$udom,$csec);
 # ---------------------------------------------------------------- Done storing
-	$message.='<h3>Changes can take up to 10 minutes before being active for all students</h3>';
-    }
-# --------------------------------------------- Devalidate cache for this child
-        &Apache::lonnet::devalidatecourseresdata(
-                 $ENV{'course.'.$ENV{'request.course.id'}.'.num'},
-                 $ENV{'course.'.$ENV{'request.course.id'}.'.domain'});
-# -------------------------------------------------------------- Get coursedata
-    %courseopt = &Apache::lonnet::dump
-        ('resourcedata',
-         $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
-         $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
-# --------------------------------------------------- Get userdata (if present)
-    if ($uname) {
-        %useropt=&Apache::lonnet::dump('resourcedata',$udom,$uname);
+	$message.='<h3>'.&mt('Changes can take up to 10 minutes before being active for all students.').&Apache::loncommon::help_open_topic('Caching').'</h3>';
     }
-
 # ------------------------------------------------------------------- Sort this
 
     @ids=sort  {
 	if ($fcat eq '') {
 	    $a<=>$b;
 	} else {
-	    my ($result,@outpar)=&parmval($fcat,$a,$defp{$a});
+	    my ($result,@outpar)=&parmval($fcat,$a,$defp{$a},$uname,$udom,$csec);
 	    my $aparm=$outpar[$result];
-	    ($result,@outpar)=&parmval($fcat,$b,$defp{$b});
+	    ($result,@outpar)=&parmval($fcat,$b,$defp{$b},$uname,$udom,$csec);
 	    my $bparm=$outpar[$result];
 	    1*$aparm<=>1*$bparm;
 	}
@@ -877,9 +968,10 @@ sub assessparms {
     if ($psprt[0] eq "all" || !@psprt) {@psprt = (keys %allparts);}
 # ------------------------------------------------------------------ Start page
 
-    &startpage($r,$id,$udom,$csec,$uname);
-#    if ($ENV{'form.url'}) {
-#	$r->print('<input type="hidden" value="'.$ENV{'form.url'}.
+    &startpage($r,$id,$udom,$csec,$uname,scalar(keys(%allkeys)));
+
+#    if ($env{'form.url'}) {
+#	$r->print('<input type="hidden" value="'.$env{'form.url'}.
 #		  '" name="url"><input type="hidden" name="command" value="set">');
 #    }
     $r->print('<input type="hidden" value="true" name="prevvisit">');
@@ -887,21 +979,16 @@ sub assessparms {
     foreach ('tolerance','date_default','date_start','date_end',
 	     'date_interval','int','float','string') {
 	$r->print('<input type="hidden" value="'.
-		  $ENV{'form.recent_'.$_}.'" name="recent_'.$_.'">');
+		  $env{'form.recent_'.$_}.'" name="recent_'.$_.'">');
     }
 
     $r->print('<h2>'.$message.'</h2><table>');
                         
-    $r->print('<tr><td><hr /></td></tr>');
-
-    my $submitmessage;
-    if (($prevvisit) || ($pschp) || ($pssymb)) {
-        $submitmessage = "Update Display";
-    } else {
-        $submitmessage = "Display";
-    }
+    my $submitmessage = &mt('Update Section or Specific User');
     if (!$pssymb) {
-        $r->print('<tr><td>Select Parameter Level</td><td>');
+        $r->print('<tr><td>'.&mt('Select Parameter Level').
+       &Apache::loncommon::help_open_topic('Course_Parameter_Levels').
+		  '</td><td colspan="2">');
         $r->print('<select name="parmlev">');
         foreach (reverse sort keys %alllevs) {
             $r->print('<option value="'.$alllevs{$_}.'"');
@@ -911,31 +998,30 @@ sub assessparms {
             $r->print('>'.$_.'</option>');
         }
         $r->print("</select></td>\n");
-    
-        $r->print('<td><input type="submit" name="dis" value="'.$submitmessage.'"></td>');
-
-        $r->print('</tr><tr><td><hr /></td>');
 
-        $r->print('<tr><td>Select Enclosing Map or Folder</td>');
-        $r->print('<td colspan="2"><select name="pschp">');
-        $r->print('<option value="all">All Maps or Folders</option>');
-        foreach (sort {$allmaps{$a} cmp $allmaps{$b}} keys %allmaps) {
-            $r->print('<option value="'.$_.'"');
-            if (($pschp eq $_)) { $r->print(' selected'); }
-            $r->print('>'.$maptitles{$_}.($allmaps{$_}!~/^uploaded/?'  ['.$allmaps{$_}.']':'').'</option>');
-        }
-        $r->print("</select></td></tr>\n");
+        $r->print('</tr>');
+	if ($parmlev ne 'general') {
+	    $r->print('<tr><td>'.&mt('Select Enclosing Map or Folder').'</td>');
+	    $r->print('<td colspan="2"><select name="pschp">');
+	    $r->print('<option value="all">'.&mt('All Maps or Folders').'</option>');
+	    foreach (sort {$allmaps{$a} cmp $allmaps{$b}} keys %allmaps) {
+		$r->print('<option value="'.$_.'"');
+		if (($pschp eq $_)) { $r->print(' selected'); }
+		$r->print('>'.$maptitles{$_}.($allmaps{$_}!~/^uploaded/?'  ['.$allmaps{$_}.']':'').'</option>');
+	    }
+	    $r->print("</select></td></tr>\n");
+	}
     } else {
-        my ($map,$id,$resource)=split(/___/,$pssymb);
-        $r->print("<tr><td>Specific Resource</td><td>$resource</td>");
+        my ($map,$id,$resource)=&Apache::lonnet::decode_symb($pssymb);
+        $r->print("<tr><td>".&mt('Specific Resource')."</td><td>$resource</td>");
         $r->print('<td><input type="submit" name="dis" value="'.$submitmessage.'"></td>');
         $r->print('</tr>');
         $r->print('<input type="hidden" value="'.$pssymb.'" name="symb">');
     }
 
-    $r->print('<tr><td colspan="3"><hr /><input type="checkbox"');
+    $r->print('<tr><td colspan="3"><hr /><label><input type="checkbox"');
     if ($showoptions eq 'show') {$r->print(" checked ");}
-    $r->print(' name="showoptions" value="show" onclick="form.submit();">Show More Options<hr /></td></tr>');
+    $r->print(' name="showoptions" value="show" />'.&mt('Show More Options').'</label><hr /></td></tr>');
 #    $r->print("<tr><td>Show: $showoptions</td></tr>");
 #    $r->print("<tr><td>pscat: @pscat</td></tr>");
 #    $r->print("<tr><td>psprt: @psprt</td></tr>");
@@ -944,32 +1030,45 @@ sub assessparms {
     if ($showoptions eq 'show') {
         my $tempkey;
 
-        $r->print('<tr><td colspan="3" align="center">Select Parameters to View</td></tr>');
-
-        $r->print('<tr><td colspan="2"><table>');
-        $r->print('<tr><td><input type="checkbox" name="pscat" value="all"');
-        $r->print(' checked') unless (@pscat);
-        $r->print('>All Parameters</td>');
+        $r->print('<tr><td colspan="3" align="center">'.&mt('Select Parameters to View').'</td></tr>');
 
+        $r->print('<tr><td colspan="2"><table><tr>');
         my $cnt=0;
         foreach $tempkey (sort { $allparms{$a} cmp $allparms{$b} }
                       keys %allparms ) {
             ++$cnt;
-            $r->print('</tr><tr>') unless ($cnt%2);
+            $r->print('</tr><tr>') if ($cnt%2);
             $r->print('<td><input type="checkbox" name="pscat" ');
             $r->print('value="'.$tempkey.'"');
             if ($pscat[0] eq "all" || grep $_ eq $tempkey, @pscat) {
                 $r->print(' checked');
             }
-            $r->print('>'.$allparms{$tempkey}.'</td>');
+	    $r->print('>'.$allparms{$tempkey}.'</td>');
+	}
+	$r->print('
+</tr><tr><td>
+<script type="text/javascript">
+    function checkall(value, checkName) {
+	for (i=0; i<document.forms.parmform.elements.length; i++) {
+            ele = document.forms.parmform.elements[i];
+            if (ele.name == checkName) {
+                document.forms.parmform.elements[i].checked=value;
+            }
         }
+    }
+</script>
+<input type="button" onclick="checkall(true, \'pscat\')" value="Select All" />
+</td><td>
+<input type="button" onclick="checkall(false, \'pscat\')" value="Unselect All" />
+</td>
+');
         $r->print('</tr></table>');
 
 #        $r->print('<tr><td>Select Parts</td><td>');
         $r->print('<td><select multiple name="psprt" size="5">');
         $r->print('<option value="all"');
         $r->print(' selected') unless (@psprt);
-        $r->print('>All Parts</option>');
+        $r->print('>'.&mt('All Parts').'</option>');
         my %temphash=();
         foreach (@psprt) { $temphash{$_}=1; }
         foreach $tempkey (sort keys %allparts) {
@@ -983,9 +1082,9 @@ sub assessparms {
         }
         $r->print('</select></td></tr><tr><td colspan="3"><hr /></td></tr>');
 
-        $r->print('<tr><td>Sort list by</td><td>');
+        $r->print('<tr><td>'.&mt('Sort list by').'</td><td>');
         $r->print('<select name="fcat">');
-        $r->print('<option value="">Enclosing Map or Folder</option>');
+        $r->print('<option value="">'.&mt('Enclosing Map or Folder').'</option>');
         foreach (sort keys %allkeys) {
             $r->print('<option value="'.$_.'"');
             if ($fcat eq $_) { $r->print(' selected'); }
@@ -1020,7 +1119,13 @@ sub assessparms {
         }
 
     }
-    $r->print('</table>');
+    $r->print('</table><br />');
+    if (($prevvisit) || ($pschp) || ($pssymb)) {
+        $submitmessage = &mt("Update Course Assessment Parameter Display");
+    } else {
+        $submitmessage = &mt("Set/Modify Course Assessment Parameters");
+    }
+    $r->print('<input type="submit" name="dis" value="'.$submitmessage.'">');
 
 #    my @temp_psprt;
 #    foreach my $t (@psprt) {
@@ -1040,42 +1145,59 @@ sub assessparms {
     if (($prevvisit) || ($pschp) || ($pssymb)) {
 # ----------------------------------------------------------------- Start Table
         my @catmarker=map { tr|.|_|; 'parameter_'.$_; } @pscat;
-        my $csuname=$ENV{'user.name'};
-        my $csudom=$ENV{'user.domain'};
-
-
-        if ($parmlev eq 'full' || $parmlev eq 'brief') {
+        my $csuname=$env{'user.name'};
+        my $csudom=$env{'user.domain'};
 
+        if ($parmlev eq 'full') {
            my $coursespan=$csec?8:5;
            $r->print('<p><table border=2>');
            $r->print('<tr><td colspan=5></td>');
-           $r->print('<th colspan='.($coursespan).'>Any User</th>');
+           $r->print('<th colspan='.($coursespan).'>'.&mt('Any User').'</th>');
            if ($uname) {
                $r->print("<th colspan=3 rowspan=2>");
-               $r->print("User $uname at Domain $udom</th>");
+               $r->print(&mt("User")." $uname ".&mt('at Domain')." $udom</th>");
            }
+	   my %lt=&Apache::lonlocal::texthash(
+				  'pie'    => "Parameter in Effect",
+				  'csv'    => "Current Session Value",
+                                  'at'     => 'at',
+                                  'rl'     => "Resource Level",
+				  'ic'     => 'in Course',
+				  'aut'    => "Assessment URL and Title",
+				  'type'   => 'Type',
+				  'emof'   => "Enclosing Map or Folder",
+				  'part'   => 'Part',
+                                  'pn'     => 'Parameter Name',
+				  'def'    => 'default',
+				  'femof'  => 'from Enclosing Map or Folder',
+				  'gen'    => 'general',
+				  'foremf' => 'for Enclosing Map or Folder',
+				  'fr'     => 'for Resource'
+					      );
            $r->print(<<ENDTABLETWO);
-<th rowspan=3>Parameter in Effect</th>
-<th rowspan=3>Current Session Value<br>($csuname at $csudom)</th>
-</tr><tr><td colspan=5></td><th colspan=2>Resource Level</th>
-<th colspan=3>in Course</th>
+<th rowspan=3>$lt{'pie'}</th>
+<th rowspan=3>$lt{'csv'}<br>($csuname $lt{'at'} $csudom)</th>
+</tr><tr><td colspan=5></td><th colspan=2>$lt{'ic'}</th><th colspan=2>$lt{'rl'}</th>
+<th colspan=1>$lt{'ic'}</th>
+
 ENDTABLETWO
            if ($csec) {
-                $r->print("<th colspan=3>in Section/Group $csec</th>");
+                $r->print("<th colspan=3>".
+			  &mt("in Section/Group")." $csec</th>");
            }
            $r->print(<<ENDTABLEHEADFOUR);
-</tr><tr><th>Assessment URL and Title</th><th>Type</th>
-<th>Enclosing Map or Folder</th><th>Part No.</th><th>Parameter Name</th>
-<th>default</th><th>from Enclosing Map or Folder</th>
-<th>general</th><th>for Enclosing Map or Folder</th><th>for Resource</th>
+</tr><tr><th>$lt{'aut'}</th><th>$lt{'type'}</th>
+<th>$lt{'emof'}</th><th>$lt{'part'}</th><th>$lt{'pn'}</th>
+<th>$lt{'gen'}</th><th>$lt{'foremf'}</th>
+<th>$lt{'def'}</th><th>$lt{'femof'}</th><th>$lt{'fr'}</th>
 ENDTABLEHEADFOUR
 
            if ($csec) {
-               $r->print('<th>general</th><th>for Enclosing Map or Folder</th><th>for Resource</th>');
+               $r->print('<th>'.&mt('general').'</th><th>'.&mt('for Enclosing Map or Folder').'</th><th>'.&mt('for Resource').'</th>');
            }
 
            if ($uname) {
-               $r->print('<th>general</th><th>for Enclosing Map or Folder</th><th>for Resource</th>');
+               $r->print('<th>'.&mt('general').'</th><th>'.&mt('for Enclosing Map or Folder').'</th><th>'.&mt('for Resource').'</th>');
            }
 
            $r->print('</tr>');
@@ -1088,18 +1210,20 @@ ENDTABLEHEADFOUR
                 my $rid=$_;
                 my ($inmapid)=($rid=~/\.(\d+)$/);
 
-                if (($pschp eq 'all') || ($allmaps{$pschp} eq $mapp{$rid}) ||
-                    ($pssymb eq $symbp{$rid})) {
+                if ((!$pssymb && 
+		     (($pschp eq 'all') || ($allmaps{$pschp} eq $mapp{$rid})))
+		    ||
+		    ($pssymb && $pssymb eq $symbp{$rid})) {
 # ------------------------------------------------------ Entry for one resource
-                    if ($defbgone eq '"E0E099"') {
-                        $defbgone='"E0E0DD"';
+                    if ($defbgone eq '"#E0E099"') {
+                        $defbgone='"#E0E0DD"';
                     } else {
-                        $defbgone='"E0E099"';
+                        $defbgone='"#E0E099"';
                     }
-                    if ($defbgtwo eq '"FFFF99"') {
-                        $defbgtwo='"FFFFDD"';
+                    if ($defbgtwo eq '"#FFFF99"') {
+                        $defbgtwo='"#FFFFDD"';
                     } else {
-                        $defbgtwo='"FFFF99"';
+                        $defbgtwo='"#FFFF99"';
                     }
                     my $thistitle='';
                     my %name=   ();
@@ -1108,7 +1232,7 @@ ENDTABLEHEADFOUR
                     my %display=();
                     my %type=   ();
                     my %default=();
-                    my $uri=&Apache::lonnet::declutter($bighash{'src_'.$rid});
+                    my $uri=&Apache::lonnet::declutter($uris{$rid});
 
                     foreach (split(/\,/,$keyp{$rid})) {
                         my $tempkeyp = $_;
@@ -1126,15 +1250,16 @@ ENDTABLEHEADFOUR
                     my $totalparms=scalar keys %name;
                     if ($totalparms>0) {
                         my $firstrow=1;
-
+			my $title=&Apache::lonnet::gettitle($uri);
                         $r->print('<tr><td bgcolor='.$defbgone.
                              ' rowspan='.$totalparms.
                              '><tt><font size=-1>'.
                              join(' / ',split(/\//,$uri)).
                              '</font></tt><p><b>'.
-                             "<a href=\"javascript:openWindow('/res/".$uri.
+                             "<a href=\"javascript:openWindow('".
+				  &Apache::lonnet::clutter($uri).
                              "', 'metadatafile', '450', '500', 'no', 'yes')\";".
-                             " TARGET=_self>$bighash{'title_'.$rid}");
+                             " TARGET=_self>$title");
 
                         if ($thistitle) {
                             $r->print(' ('.$thistitle.')');
@@ -1160,16 +1285,16 @@ ENDTABLEHEADFOUR
                                 undef $firstrow;
                             }
 
-                            &print_row($r,$_,\%part,\%name,$rid,\%default,
+                            &print_row($r,$_,\%part,\%name,\%symbp,$rid,\%default,
                                        \%type,\%display,$defbgone,$defbgtwo,
-                                       $parmlev);
+                                       $parmlev,$uname,$udom,$csec);
                         }
                     }
                 }
             } # end foreach ids
 # -------------------------------------------------- End entry for one resource
             $r->print('</table>');
-        } # end of  brief/full
+        } # end of  full
 #--------------------------------------------------- Entry for parm level map
         if ($parmlev eq 'map') {
             my $defbgone = '"E0E099"';
@@ -1206,7 +1331,7 @@ ENDTABLEHEADFOUR
 #                  $r->print("$mapid:$map:   $rid <br /> \n");
 
                   if ($map eq $mapid) {
-                    my $uri=&Apache::lonnet::declutter($bighash{'src_'.$rid});
+                    my $uri=&Apache::lonnet::declutter($uris{$rid});
 #                    $r->print("Keys: $keyp{$rid} <br />\n");
 
 #--------------------------------------------------------------------
@@ -1236,12 +1361,12 @@ ENDTABLEHEADFOUR
                 } # end loop through ids
                                  
 #---------------------------------------------------- print header information
-                my $foldermap=($maptitle=~/^uploaded/?'Folder':'Map');
+                my $foldermap=&mt($maptitle=~/^uploaded/?'Folder':'Map');
                 my $showtitle=$maptitles{$maptitle}.($maptitle!~/^uploaded/?' ['.$maptitle.']':'');
                 $r->print(<<ENDMAPONE);
 <center><h4>
-<font color="red">Set Defaults for All Resources in $foldermap<br />
-<i>$showtitle</i><br />
+Set Defaults for All Resources in $foldermap<br />
+<font color="red"><i>$showtitle</i></font><br />
 Specifically for
 ENDMAPONE
                 if ($uname) {
@@ -1249,25 +1374,28 @@ ENDMAPONE
                       ('firstname','middlename','lastname','generation', 'id'));
                     my $person=$name{'firstname'}.' '.$name{'middlename'}.' '
                            .$name{'lastname'}.' '.$name{'generation'};
-                    $r->print("User <i>$uname \($person\) </i> in \n");
+                    $r->print(&mt("User")." <font color=\"red\"><i>$uname \($person\) </i></font> ".
+                        &mt('in')." \n");
                 } else {
-                    $r->print("<i>all</i> users in \n");
+                    $r->print("<font color=\"red\"><i>".&mt('all').'</i></font> '.&mt('users in')." \n");
                 }
             
-                if ($csec) {$r->print("Section <i>$csec</i> of \n")};
+                if ($csec) {$r->print(&mt("Section")." <font color=\"red\"><i>$csec</i></font> ".
+				      &mt('of')." \n")};
 
-                $r->print("<i>$coursename</i><br />");
-                $r->print("</font></h4>\n");
+                $r->print("<font color=\"red\"><i>$coursename</i></font><br />");
+                $r->print("</h4>\n");
 #---------------------------------------------------------------- print table
                 $r->print('<p><table border="2">');
-                $r->print('<tr><th>Parameter Name</th>');
-                $r->print('<th>Default Value</th>');
-                $r->print('<th>Parameter in Effect</th></tr>');
+                $r->print('<tr><th>'.&mt('Parameter Name').'</th>');
+                $r->print('<th>'.&mt('Default Value').'</th>');
+                $r->print('<th>'.&mt('Parameter in Effect').'</th></tr>');
 
 	        foreach (sort keys %name) {
-                    &print_row($r,$_,\%part,\%name,$mapid,\%default,
+                    $r->print('<tr>');
+                    &print_row($r,$_,\%part,\%name,\%symbp,$mapid,\%default,
                            \%type,\%display,$defbgone,$defbgtwo,
-                           $parmlev);
+                           $parmlev,$uname,$udom,$csec);
 #                    $r->print("<tr><td>resource.$part{$_}.$name{$_},$symbp{$mapid}</td></tr>\n");
                 }
                 $r->print("</table></center>");
@@ -1291,7 +1419,7 @@ ENDMAPONE
             foreach (@ids) {
                 my $rid = $_;
         
-                my $uri=&Apache::lonnet::declutter($bighash{'src_'.$rid});
+                my $uri=&Apache::lonnet::declutter($uris{$rid});
 
 #--------------------------------------------------------------------
 # @catmarker contains list of all possible parameters including part #s
@@ -1318,40 +1446,39 @@ ENDMAPONE
             } # end loop through ids
                                  
 #---------------------------------------------------- print header information
+	    my $setdef=&mt("Set Defaults for All Resources in Course");
             $r->print(<<ENDMAPONE);
-<center><h4>
-<font color="red">Set Defaults for All Resources in Course
-<i>$coursename</i><br />
+<center><h4>$setdef
+<font color="red"><i>$coursename</i></font><br />
 ENDMAPONE
             if ($uname) {
                 my %name=&Apache::lonnet::userenvironment($udom,$uname,
                   ('firstname','middlename','lastname','generation', 'id'));
                 my $person=$name{'firstname'}.' '.$name{'middlename'}.' '
                        .$name{'lastname'}.' '.$name{'generation'};
-                $r->print(" User <i>$uname \($person\) </i> \n");
+                $r->print(" ".&mt("User")."<font color=\"red\"> <i>$uname \($person\) </i></font> \n");
             } else {
-                $r->print("<i>ALL</i> USERS \n");
+                $r->print("<i><font color=\"red\"> ".&mt("ALL")."</i> ".&mt("USERS")."</font> \n");
             }
             
-            if ($csec) {$r->print("Section <i>$csec</i>\n")};
-            $r->print("</font></h4>\n");
+            if ($csec) {$r->print(&mt("Section")."<font color=\"red\"> <i>$csec</i></font>\n")};
+            $r->print("</h4>\n");
 #---------------------------------------------------------------- print table
             $r->print('<p><table border="2">');
-            $r->print('<tr><th>Parameter Name</th>');
-            $r->print('<th>Default Value</th>');
-            $r->print('<th>Parameter in Effect</th></tr>');
+            $r->print('<tr><th>'.&mt('Parameter Name').'</th>');
+            $r->print('<th>'.&mt('Default Value').'</th>');
+            $r->print('<th>'.&mt('Parameter in Effect').'</th></tr>');
 
 	    foreach (sort keys %name) {
-                &print_row($r,$_,\%part,\%name,$mapid,\%default,
-                       \%type,\%display,$defbgone,$defbgtwo,$parmlev);
+                $r->print('<tr>');
+                &print_row($r,$_,\%part,\%name,\%symbp,$mapid,\%default,
+                       \%type,\%display,$defbgone,$defbgtwo,$parmlev,$uname,$udom,$csec);
 #                    $r->print("<tr><td>resource.$part{$_}.$name{$_},$symbp{$mapid}</td></tr>\n");
             }
             $r->print("</table></center>");
         } # end of $parmlev eq general
     }
     $r->print('</form></body></html>');
-    untie(%bighash);
-    untie(%parmhash);
 } # end sub assessparms
 
 
@@ -1362,7 +1489,7 @@ ENDMAPONE
 
 =item crsenv
 
-Show course data and parameters.  This is a large routine that should
+Show and set course data and parameters.  This is a large routine that should
 be simplified and shortened... someday.
 
 Inputs: $r
@@ -1378,184 +1505,635 @@ sub crsenv {
     my $setoutput='';
     my $bodytag=&Apache::loncommon::bodytag(
                              'Set Course Environment Parameters');
-    my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
-    my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
-# -------------------------------------------------- Go through list of changes
-    foreach (keys %ENV) {
-	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);
-                $setoutput.='Backing up previous URL: '.
-                    &Apache::lonnet::put
-                        ('environment',
-                         {'top level map backup '.$bkuptime => $tmp[1] },
-                         $dom,$crs).
-                    '<br>';
-            }
-            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 default assessment spreadsheets
+    my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs(undef,
+						    'Edit Course Environment');
+    my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+    my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
+
+    #
+    # 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');
+        }
+        # 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($value)) {
+            if ($name eq 'cloners') {
+                $value =~ s/^,//;
+                $value =~ s/,$//;
+            }
+            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>'.$value.'</b>.<br />';
+                if ($name eq 'cloners') {
+                    &change_clone($value,\@oldcloner);
                 }
+                # Flush the course logs so course description is immediately updated
+                if ($name eq 'description' && defined($value)) {
+                    &Apache::lonnet::flushcourselogs();
+                }
+            } else {
+                $setoutput.=&mt('Unable to set').' <b>'.$name.'</b> '.&mt('to').
+		    ' <b>'.$value.'</b> '.&mt('due to').' '.$put_result.'.<br />';
             }
-
-            if ($name) {
-                $setoutput.='Setting <tt>'.$name.'</tt> to <tt>'.
-                    $value.'</tt>: '.
-                    &Apache::lonnet::put
-                            ('environment',{$name=>$value},$dom,$crs).
-                    '<br>';
-	    }
         }
     }
+# ------------------------- Re-init course environment entries for this session
+
+    &Apache::lonnet::coursedescription($env{'request.course.id'});
+
 # -------------------------------------------------------- Get parameters again
 
     my %values=&Apache::lonnet::dump('environment',$dom,$crs);
+    my $SelectStyleFile=&mt('Select Style File');
+    my $SelectSpreadsheetFile=&mt('Select Spreadsheet File');
     my $output='';
     if (! exists($values{'con_lost'})) {
         my %descriptions=
-	    ('url'            => '<b>Top Level Map</b> '.
+	    ('url'            => '<b>'.&mt('Top Level Map').'</b> '.
                                  '<a href="javascript:openbrowser'.
                                  "('envform','url','sequence')\">".
-                                 'Browse</a><br /><font color=red> '.
-                                 'Modification may make assessment data '.
-                                 'inaccessible</font>',
-             'description'    => '<b>Course Description</b>',
-             'courseid'       => '<b>Course ID or number</b><br />'.
-                                 '(internal, optional)',
-             'default_xml_style' => '<b>Default XML Style File</b> '.
+                                 &mt('Select Map').'</a><br /><font color=red> '.
+                                 &mt('Modification may make assessment data inaccessible').
+                                 '</font>',
+             'description'    => '<b>'.&mt('Course Description').'</b>',
+             'courseid'       => '<b>'.&mt('Course ID or number').
+                                 '</b><br />'.
+                                 '('.&mt('internal').', '.&mt('optional').')',
+             'cloners'        => '<b>'.&mt('Users allowed to clone course').'</b><br /><tt>(user:domain,user:domain)</tt><br />'.&mt('Users with active Course Coordinator role in the course automatically have the right to clone it, and can be omitted from list.'),
+             'grading'        => '<b>'.&mt('Grading').'</b><br />'.
+                                 '<tt>"standard", "external", or "spreadsheet"</tt> '.&Apache::loncommon::help_open_topic('GradingOptions'),
+             'default_xml_style' => '<b>'.&mt('Default XML Style File').'</b> '.
                     '<a href="javascript:openbrowser'.
                     "('envform','default_xml_style'".
-                    ",'sty')\">Browse</a><br>",
-             'question.email' => '<b>Feedback Addresses for Resource Content '.
-                                 'Questions</b><br />(<tt>user:domain,'.
+                    ",'sty')\">$SelectStyleFile</a><br>",
+             'question.email' => '<b>'.&mt('Feedback Addresses for Resource Content Question').
+                                 '</b><br />(<tt>user:domain,'.
                                  'user:domain(section;section;...;*;...),...</tt>)',
-             'comment.email'  => '<b>Feedback Addresses for Course Content Comments</b><br />'.
+             'comment.email'  => '<b>'.&mt('Feedback Addresses for Course Content Comments').'</b><br />'.
                                  '(<tt>user:domain,user:domain(section;section;...;*;...),...</tt>)',
-             'policy.email'   => '<b>Feedback Addresses for Course Policy</b>'.
+             'policy.email'   => '<b>'.&mt('Feedback Addresses for Course Policy').'</b>'.
                                  '<br />(<tt>user:domain,user:domain(section;section;...;*;...),...</tt>)',
-             'hideemptyrows'  => '<b>Hide Empty Rows in Spreadsheets</b><br />'.
-                                 '("<tt>yes</tt>" for default hiding)',
-             'pageseparators'  => '<b>Visibly Separate Items on Pages</b><br />'.
-                                 '("<tt>yes</tt>" for visible separation, '.
-                                 'changes will not show until next login)',
-             'pch.roles.denied'=> '<b>Disallow Resource Discussion for '.
-                                  'Roles</b><br />"<tt>st</tt>": '.
+             '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>'.&mt('("all":students can view all sections,"section":students can only view their own section.blank or "disabled" prevents student view.'),
+
+             'plc.roles.denied'=> '<b>'.&mt('Disallow live chatroom use for Roles').
+                                  '</b><br />"<tt>st</tt>": '.
+                                  &mt('student').', "<tt>ta</tt>": '.
+                                  'TA, "<tt>in</tt>": '.
+                                  &mt('instructor').';<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>user:domain,user:domain,...</tt>)',
+
+             'pch.roles.denied'=> '<b>'.&mt('Disallow Resource Discussion for Roles').
+                                  '</b><br />"<tt>st</tt>": '.
                                   'student, "<tt>ta</tt>": '.
                                   'TA, "<tt>in</tt>": '.
                                   'instructor;<br /><tt>role,role,...</tt>) '.
 	       Apache::loncommon::help_open_topic("Course_Disable_Discussion"),
              'pch.users.denied' => 
-                          '<b>Disallow Resource Discussion for Users</b><br />'.
+                          '<b>'.&mt('Disallow Resource Discussion for Users').'</b><br />'.
                                  '(<tt>user:domain,user:domain,...</tt>)',
              'spreadsheet_default_classcalc' 
-                 => '<b>Default Course Spreadsheet</b> '.
+                 => '<b>'.&mt('Default Course Spreadsheet').'</b> '.
                     '<a href="javascript:openbrowser'.
                     "('envform','spreadsheet_default_classcalc'".
-                    ",'spreadsheet')\">Browse</a><br />",
+                    ",'spreadsheet')\">$SelectSpreadsheetFile</a><br />",
              'spreadsheet_default_studentcalc' 
-                 => '<b>Default Student Spreadsheet</b> '.
+                 => '<b>'.&mt('Default Student Spreadsheet').'</b> '.
                     '<a href="javascript:openbrowser'.
                     "('envform','spreadsheet_default_calc'".
-                    ",'spreadsheet')\">Browse</a><br />",
+                    ",'spreadsheet')\">$SelectSpreadsheetFile</a><br />",
              'spreadsheet_default_assesscalc' 
-                 => '<b>Default Assessment Spreadsheet</b> '.
+                 => '<b>'.&mt('Default Assessment Spreadsheet').'</b> '.
                     '<a href="javascript:openbrowser'.
                     "('envform','spreadsheet_default_assesscalc'".
-                    ",'spreadsheet')\">Browse</a><br />",
+                    ",'spreadsheet')\">$SelectSpreadsheetFile</a><br />",
 	     'allow_limited_html_in_feedback'
-	         => '<b>Allow limited HTML in discussion posts</b><br />'.
-	            '(Set value to yes to allow)',
+	         => '<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 to edit/delete their own discussion posts').'</b><br />'.
+                    '('.&mt('Set value to "[_1]" to allow',"<tt>yes</tt>").')',
 	     'rndseed'
-	         => '<b>Randomization algorithm used</b> <br />'.
-                    '<font color="red">Modifying this will make problems '.
-                    'have different numbers and answers</font>'
-             );
-	foreach (keys(%values)) {
-	    unless ($descriptions{$_}) {
-		$descriptions{$_}=$_;
-	    }
+	         => '<b>'.&mt('Randomization algorithm used').'</b> <br />'.
+                    '<font color="red">'.&mt('Modifying this will make problems').' '.
+                    &mt('have different numbers and answers').'</font>',
+	     '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>('.
+                    &mt('yes if supress').')',
+             '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])',
+             'anonymous_quiz'
+                 => '<b>'.&mt('Anonymous quiz/exam').'</b><br />'.
+                    ' (<tt><b>'.&mt('yes').'</b> '.&mt('to avoid print students names').' </tt>)',
+             'default_enrollment_start_date' => '<b>'.&mt('Default beginning date when enrolling students').'</b>',
+             'default_enrollment_end_date'   => '<b>'.&mt('Default ending date when enrolling students').'</b>',
+             'nothideprivileged'   => '<b>'.&mt('Privileged users that should not be hidden on staff listings').'</b>'.
+                                 '<br />(<tt>user:domain,user: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>').')',
+	     'disablesigfigs'
+	         => '<b>'.&mt('Disable checking of Significant Figures').'</b><br />'.
+                    ' ('.&mt('"[_1]" to disable, anything else if not','<tt>yes</tt>').')',
+	     'tthoptions'
+	         => '<b>'.&mt('Default set of options to pass to tth/m when converting tex').'</b>'
+             ); 
+        my @Display_Order = ('url','description','courseid','cloners','grading',
+                             'default_xml_style','pageseparators',
+                             'question.email','comment.email','policy.email',
+                             'student_classlist_view',
+                             'plc.roles.denied','plc.users.denied',
+                             'pch.roles.denied','pch.users.denied',
+                             'allow_limited_html_in_feedback',
+                             'allow_discussion_post_editing',
+                             'languages',
+			     'nothideprivileged',
+                             'rndseed',
+                             'receiptalg',
+                             'problem_stream_switch',
+			     'suppress_tries',
+                             'default_paper_size',
+                             'disable_receipt_display',
+                             'spreadsheet_default_classcalc',
+                             'spreadsheet_default_studentcalc',
+                             'spreadsheet_default_assesscalc', 
+                             'hideemptyrows',
+                             'default_enrollment_start_date',
+                             'default_enrollment_end_date',
+			     'tthoptions',
+			     'disablesigfigs'
+                             );
+	foreach my $parameter (sort(keys(%values))) {
+            unless ($parameter =~ m/^internal\./) {
+                if (! $descriptions{$parameter}) {
+                    $descriptions{$parameter}=$parameter;
+                    push(@Display_Order,$parameter);
+                }
+            }
 	}
-	foreach (sort keys %descriptions) {
+        foreach my $parameter (@Display_Order) {
+            my $description = $descriptions{$parameter};
             # onchange is javascript to automatically check the 'Set' button.
             my $onchange = 'onFocus="javascript:window.document.forms'.
-                '[\'envform\'].elements[\''.$_.'_setparmval\']'.
+                "['envform'].elements['".$parameter."_setparmval']".
                 '.checked=true;"';
-	    $output.='<tr><td>'.$descriptions{$_}.'</td>'.
-                '<td><input name="'.$_.'_value" size=40 '.
-                'value="'.$values{$_}.'" '.$onchange.' /></td>'.
-                '<td><input type=checkbox name="'.$_.'_setparmval"></td>'.
-                '</tr>'."\n";
+            $output .= '<tr><td>'.$description.'</td>';
+            if ($parameter =~ /^default_enrollment_(start|end)_date$/) {
+                $output .= '<td>'.
+                    &Apache::lonhtmlcommon::date_setter('envform',
+                                                        $parameter.'_value',
+                                                        $values{$parameter},
+                                                        $onchange).
+                                                        '</td>';
+            } else {
+                $output .= '<td>'.
+                    &Apache::lonhtmlcommon::textbox($parameter.'_value',
+                                                    $values{$parameter},
+                                                    40,$onchange).'</td>';
+            }
+            $output .= '<td>'.
+                &Apache::lonhtmlcommon::checkbox($parameter.'_setparmval').
+                '</td>';
+            $output .= "</tr>\n";
 	}
         my $onchange = 'onFocus="javascript:window.document.forms'.
             '[\'envform\'].elements[\'newp_setparmval\']'.
             '.checked=true;"';
-	$output.='<tr><td><i>Create New Environment Variable</i><br />'.
+	$output.='<tr><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></tr>';
     }
-    $r->print(<<ENDENV);
-<html>
+    my %lt=&Apache::lonlocal::texthash(
+		    'par'   => 'Parameter',
+		    'val'   => 'Value',
+		    'set'   => 'Set',
+		    'sce'   => 'Set Course Environment'
+				       );
+
+    my $Parameter=&mt('Parameter');
+    my $Value=&mt('Value');
+    my $Set=&mt('Set');
+    my $browse_js=&Apache::loncommon::browser_and_searcher_javascript('parmset');
+    my $html=&Apache::lonxml::xmlbegin();
+    $r->print(<<ENDenv);
+$html
+<head>
 <script type="text/javascript" language="Javascript" >
-    var editbrowser;
-    function openbrowser(formname,elementname,only,omit) {
-        var url = '/res/?';
-        if (editbrowser == null) {
-            url += 'launch=1&';
-        }
-        url += 'catalogmode=interactive&';
-        url += 'mode=parmset&';
-        url += 'form=' + formname + '&';
-        if (only != null) {
-            url += 'only=' + only + '&';
-        } 
-        if (omit != null) {
-            url += 'omit=' + omit + '&';
-        }
-        url += 'element=' + elementname + '';
-        var title = 'Browser';
-        var options = 'scrollbars=1,resizable=1,menubar=0';
-        options += ',width=700,height=600';
-        editbrowser = open(url,title,options,'1');
-        editbrowser.focus();
-    }
+$browse_js
 </script>
-<head>
 <title>LON-CAPA Course Environment</title>
 </head>
 $bodytag
-<form method="post" action="/adm/parmset" name="envform">
+$breadcrumbs
+<form method="post" action="/adm/parmset?action=crsenv" name="envform">
 $setoutput
 <p>
 <table border=2>
-<tr><th>Parameter</th><th>Value</th><th>Set?</th></tr>
+<tr><th>$lt{'par'}</th><th>$lt{'val'}</th><th>$lt{'set'}?</th></tr>
 $output
 </table>
-<input type="submit" name="crsenv" value="Set Course Environment">
+<input type="submit" name="crsenv" value="$lt{'sce'}">
 </form>
 </body>
 </html>    
-ENDENV
+ENDenv
 }
+##################################################
+
+my $tableopen;
+
+sub tablestart {
+    if ($tableopen) {
+	return '';
+    } else {
+	$tableopen=1;
+	return '<table border="2"><tr><th>'.&mt('Parameter').'</th><th>'.
+	    &mt('Delete').'</th><th>'.&mt('Set to ...').'</th></tr>';
+    }
+}
+
+sub tableend {
+    if ($tableopen) {
+	$tableopen=0;
+	return '</table>';
+    } else {
+	return'';
+    }
+}
+
+sub overview {
+    my $r=shift;
+    my $bodytag=&Apache::loncommon::bodytag(
+                             'Set/Modify Course Assessment Parameters');
+    my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+    my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
+    my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs(undef,'Overview');
+    my $html=&Apache::lonxml::xmlbegin();
+    $r->print(<<ENDOVER);
+$html
+<head>
+<title>LON-CAPA Course Environment</title>
+</head>
+$bodytag
+$breadcrumbs
+<form method="post" action="/adm/parmset?action=setoverview" name="overviewform">
+<input type="hidden" name="overview" value="1" />
+ENDOVER
+# Setting
+    my %olddata=&Apache::lonnet::dump('resourcedata',$dom,$crs);
+    my %newdata=();
+    undef %newdata;
+    my @deldata=();
+    undef @deldata;
+    foreach (keys %env) {
+	if ($_=~/^form\.([a-z]+)\_(.+)$/) {
+	    my $cmd=$1;
+	    my $thiskey=$2;
+	    if ($cmd eq 'set') {
+		my $data=$env{$_};
+		if ($olddata{$thiskey} ne $data) { $newdata{$thiskey}=$data; }
+	    } elsif ($cmd eq 'del') {
+		push (@deldata,$thiskey);
+	    } elsif ($cmd eq 'datepointer') {
+		my $data=&Apache::lonhtmlcommon::get_date_from_form($env{$_});
+		if (defined($data) and $olddata{$thiskey} ne $data) { $newdata{$thiskey}=$data; }
+	    }
+	}
+    }
+# Store
+    my $delentries=$#deldata+1;
+    my @newdatakeys=keys %newdata;
+    my $putentries=$#newdatakeys+1;
+    if ($delentries) {
+	if (&Apache::lonnet::del('resourcedata',\@deldata,$dom,$crs) eq 'ok') {
+	    $r->print('<h2>'.&mt('Deleted [_1] parameter(s)</h2>',$delentries));
+	} else {
+	    $r->print('<h2><font color="red">'.
+		      &mt('Error deleting parameters').'</font></h2>');
+	}
+    }
+    if ($putentries) {
+	if (&Apache::lonnet::put('resourcedata',\%newdata,$dom,$crs) eq 'ok') {
+	    $r->print('<h2>'.&mt('Stored [_1] parameter(s)</h2>',$putentries));
+	} else {
+	    $r->print('<h2><font color="red">'.
+		      &mt('Error storing parameters').'</font></h2>');
+	}
+    }
+# Read and display
+    my %resourcedata=&Apache::lonnet::dump('resourcedata',$dom,$crs);
+    my $oldsection='';
+    my $oldrealm='';
+    my $oldpart='';
+    my $pointer=0;
+    $tableopen=0;
+    my $foundkeys=0;
+    foreach my $thiskey (sort keys %resourcedata) {
+	if ($resourcedata{$thiskey.'.type'}) {
+	    my ($course,$middle,$part,$name)=
+		($thiskey=~/^(\w+)\.(?:(.+)\.)*([\w\s]+)\.(\w+)$/);
+	    my $section=&mt('All Students');
+	    if ($middle=~/^\[(.*)\]\./) {
+		$section=&mt('Group/Section').': '.$1;
+		$middle=~s/^\[(.*)\]\.//;
+	    }
+	    $middle=~s/\.$//;
+	    my $realm='<font color="red">'.&mt('All Resources').'</font>';
+	    if ($middle=~/^(.+)\_\_\_\(all\)$/) {
+		$realm='<font color="green">'.&mt('Folder/Map').': '.&Apache::lonnet::gettitle($1).' <br /><font color="#aaaaaa" size="-2">('.$1.')</font></font>';
+	    } elsif ($middle) {
+		my ($map,$id,$url)=&Apache::lonnet::decode_symb($middle);
+		$realm='<font color="orange">'.&mt('Resource').': '.&Apache::lonnet::gettitle($middle).' <br /><font color="#aaaaaa" size="-2">('.$url.' in '.$map.' id: '.$id.')</font></font>';
+	    }
+	    if ($section ne $oldsection) {
+		$r->print(&tableend()."\n<hr /><h1>$section</h1>");
+		$oldsection=$section;
+		$oldrealm='';
+	    }
+	    if ($realm ne $oldrealm) {
+		$r->print(&tableend()."\n<h2>$realm</h2>");
+		$oldrealm=$realm;
+		$oldpart='';
+	    }
+	    if ($part ne $oldpart) {
+		$r->print(&tableend().
+			  "\n<h3><font color='blue'>".&mt('Part').": $part</font></h3>");
+		$oldpart=$part;
+	    }
+#
+# Ready to print
+#
+	    $r->print(&tablestart().'<tr><td><b>'.$name.
+		      ':</b></td><td><input type="checkbox" name="del_'.
+		      $thiskey.'" /></td><td>');
+	    $foundkeys++;
+	    if ($resourcedata{$thiskey.'.type'}=~/^date/) {
+		my $jskey='key_'.$pointer;
+		$pointer++;
+		$r->print(
+			  &Apache::lonhtmlcommon::date_setter('overviewform',
+							      $jskey,
+						      $resourcedata{$thiskey}).
+'<input type="hidden" name="datepointer_'.$thiskey.'" value="'.$jskey.'" />'
+			  );
+	    } else {
+		$r->print(
+			  '<input type="text" name="set_'.$thiskey.'" value="'.
+			  $resourcedata{$thiskey}.'">');
+	    }
+	    $r->print('</td></tr>');
+	}
+    }
+    
+    $r->print(&tableend().'<p>'.
+	($foundkeys?'<input type="submit" value="'.&mt('Modify Parameters').'" />':&mt('There are no course or section parameters.')).'</p></form></body></html>');
+}
+
+##################################################
+##################################################
+                                                                                            
+=pod
+                                                                                            
+=item change clone
+                                                                                            
+Modifies the list of courses a user can clone (stored
+in the user's environemnt.db file), called when a
+change is made to the list of users allowed to clone
+a course.
+                                                                                            
+Inputs: $action,$cloner
+where $action is add or drop, and $cloner is identity of 
+user for whom cloning ability is to be changed in course. 
+                                                                                            
+Returns: 
+
+=cut
+                                                                                            
+##################################################
+##################################################
+
+
+sub change_clone {
+    my ($clonelist,$oldcloner) = @_;
+    my ($uname,$udom);
+    my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+    my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+    my $clone_crs = $cnum.':'.$cdom;
+    
+    if ($cnum && $cdom) {
+        my @allowclone = ();
+        if ($clonelist =~ /,/) {
+            @allowclone = split/,/,$clonelist;
+        } else {
+            $allowclone[0] = $clonelist;
+        }
+        foreach my $currclone (@allowclone) {
+            if (!grep/^$currclone$/,@$oldcloner) {
+                ($uname,$udom) = split/:/,$currclone;
+                if ($uname && $udom) {
+                    unless (&Apache::lonnet::homeserver($uname,$udom) eq 'no_host') {
+                        my %currclonecrs = &Apache::lonnet::dump('environment',$udom,$uname,'cloneable');
+                        if ($currclonecrs{'cloneable'} !~ /\Q$clone_crs\E/) {
+                            if ($currclonecrs{'cloneable'} eq '') {
+                                $currclonecrs{'cloneable'} = $clone_crs;
+                            } else {
+                                $currclonecrs{'cloneable'} .= ','.$clone_crs;
+                            }
+                            &Apache::lonnet::put('environment',\%currclonecrs,$udom,$uname);
+                        }
+                    }
+                }
+            }
+        }
+        foreach my $oldclone (@$oldcloner) {
+            if (!grep/^$oldclone$/,@allowclone) {
+                ($uname,$udom) = split/:/,$oldclone;
+                if ($uname && $udom) {
+                    unless (&Apache::lonnet::homeserver($uname,$udom) eq 'no_host') {
+                        my %currclonecrs = &Apache::lonnet::dump('environment',$udom,$uname,'cloneable');
+                        my %newclonecrs = ();
+                        if ($currclonecrs{'cloneable'} =~ /\Q$clone_crs\E/) {
+                            if ($currclonecrs{'cloneable'} =~ /,/) {
+                                my @currclonecrs = split/,/,$currclonecrs{'cloneable'};
+                                foreach (@currclonecrs) {
+                                    unless ($_ eq $clone_crs) {
+                                        $newclonecrs{'cloneable'} .= $_.',';
+                                    }
+                                }
+                                $newclonecrs{'cloneable'} =~ s/,$//;
+                            } else {
+                                $newclonecrs{'cloneable'} = '';
+                            }
+                            &Apache::lonnet::put('environment',\%newclonecrs,$udom,$uname);
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+
+##################################################
+##################################################
+
+=pod
+
+=item * header
+
+Output html header for page
+
+=cut
+
+##################################################
+##################################################
+sub header {
+    my $html=&Apache::lonxml::xmlbegin();
+    my $bodytag=&Apache::loncommon::bodytag('Parameter Manager');
+    my $title = &mt('LON-CAPA Parameter Manager');
+    return(<<ENDHEAD);
+$html
+<head>
+<title>$title</title>
+</head>
+$bodytag
+ENDHEAD
+}
+##################################################
+##################################################
+sub print_main_menu {
+    my ($r,$parm_permission)=@_;
+    #
+    $r->print(<<ENDMAINFORMHEAD);
+<form method="post" enctype="multipart/form-data"
+      action="/adm/parmset" name="studentform">
+ENDMAINFORMHEAD
+#
+    my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+    my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+    my @menu =
+        (
+          { text => 'Set Course Environment Parameters',
+            help => 'Course_Setting_Parameters',
+            action => 'crsenv',
+            permission => $parm_permission,
+            },
+          { text => 'Set/Modify Course Assessment Parameters - Helper Mode',
+            url => '/adm/helper/parameter.helper',
+            permission => $parm_permission,
+            },
+          { text => 'Modify Course Assessment Parameters - Overview Mode',
+            action => 'setoverview',
+            permission => $parm_permission,
+            },
+          { text => 'Set/Modify Course Assessment Parameters - Table Mode',
+            action => 'settable',
+            permission => $parm_permission,
+            },
+#          { text => 'Set Parameter Default Preferences',
+#            help => 'Course_View_Class_List',
+#            action => 'setdefaults',
+#            permission => $parm_permission,
+#            },
+          );
+    my $menu_html = '';
+    foreach my $menu_item (@menu) {
+        next if (! $menu_item->{'permission'});
+        $menu_html.='<p>';
+        $menu_html.='<font size="+1">';
+        if (exists($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></font>';
+        if (exists($menu_item->{'help'})) {
+            $menu_html.=
+                &Apache::loncommon::help_open_topic($menu_item->{'help'});
+        }
+        $menu_html.='</p>'.$/;
+    }
+    $r->print($menu_html);
+    return;
+}
+
+
+
 
 ##################################################
 ##################################################
@@ -1567,7 +2145,6 @@ ENDENV
 Main handler.  Calls &assessparms and &crsenv subroutines.
 
 =cut
-
 ##################################################
 ##################################################
     use Data::Dumper;
@@ -1575,32 +2152,69 @@ sub handler {
     my $r=shift;
 
     if ($r->header_only) {
-	$r->content_type('text/html');
+	&Apache::loncommon::content_type($r,'text/html');
 	$r->send_http_header;
 	return OK;
     }
-    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'});
+    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+					    ['action','state']);
 
-    $r->content_type('text/html');
-    $r->send_http_header;
 
-# ----------------------------------------------------- Needs to be in a course
+    &Apache::lonhtmlcommon::clear_breadcrumbs();
+    &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/parmset",
+					    text=>"Parameter Manager",
+					    faq=>9,
+					    bug=>'Instructor Interface'});
 
-    if (($ENV{'request.course.id'}) && 
-	(&Apache::lonnet::allowed('opa',$ENV{'request.course.id'}))) {
- 
-        $coursename=$ENV{'course.'.$ENV{'request.course.id'}.'.description'};
+# ----------------------------------------------------- Needs to be in a course
+    my $parm_permission =
+	(&Apache::lonnet::allowed('opa',$env{'request.course.id'}) ||
+	 &Apache::lonnet::allowed('opa',$env{'request.course.id'}.'/'.
+				  $env{'request.course.sec'}));
+    if ($env{'request.course.id'} &&  $parm_permission) {
+
+        # Start Page
+        &Apache::loncommon::content_type($r,'text/html');
+        $r->send_http_header;
+
+
+        # id numbers can change on re-ordering of folders
+
+        &resetsymbcache();
+
+        #
+        # Main switch on form.action and form.state, as appropriate
+        #
+        # Check first if coming from someone else headed directly for
+        #  the table mode
+        if ((($env{'form.command'} eq 'set') && ($env{'form.url'})
+	     && (!$env{'form.dis'})) || ($env{'form.symb'})) {
+	    &assessparms($r);
 
-	unless (($ENV{'form.crsenv'}) || (!$ENV{'request.course.fn'})) {
-# --------------------------------------------------------- Bring up assessment
+        } elsif (! exists($env{'form.action'})) {
+            $r->print(&header());
+            $r->print(&Apache::lonhtmlcommon::breadcrumbs(undef,
+							 'Parameter Manager'));
+            &print_main_menu($r,$parm_permission);
+        } elsif ($env{'form.action'} eq 'crsenv' && $parm_permission) {
+            &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=crsenv',
+						    text=>"Course Environment"});
+            $r->print(&Apache::lonhtmlcommon::breadcrumbs(undef,
+						   'Edit Course Environment'));
+            &crsenv($r); 
+        } elsif ($env{'form.action'} eq 'setoverview' && $parm_permission) {
+            &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=setoverview',
+						    text=>"Overview Mode"});
+	    &overview($r);
+        } elsif ($env{'form.action'} eq 'settable' && $parm_permission) {
+            &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=settable',
+						    text=>"Table Mode"});
 	    &assessparms($r);
-# ---------------------------------------------- This is for course environment
-	} else {
-	    &crsenv($r);
-	}
+        }
+        
     } else {
 # ----------------------------- Not in a course, or not allowed to modify parms
-	$ENV{'user.error.msg'}=
+	$env{'user.error.msg'}=
 	    "/adm/parmset:opa:0:0:Cannot modify assessment parameters";
 	return HTTP_NOT_ACCEPTABLE;
     }