--- loncom/interface/lonuserutils.pm	2009/04/04 21:47:41	1.86
+++ loncom/interface/lonuserutils.pm	2009/09/12 17:10:44	1.97.2.3
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Utility functions for managing LON-CAPA user accounts
 #
-# $Id: lonuserutils.pm,v 1.86 2009/04/04 21:47:41 bisitz Exp $
+# $Id: lonuserutils.pm,v 1.97.2.3 2009/09/12 17:10:44 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -328,9 +328,11 @@ sub print_upload_manager_header {
         &javascript_validations('upload',$krbdefdom,$password_choice,undef,
                                 $env{'request.role.domain'},$context,
                                 $groupslist);
-    my $checked=(($env{'form.noFirstLine'})?' checked="checked" ':'');
-    $r->print(&mt('Total number of records found in file: [_1]','<b>'.$distotal.'</b>').
-              "<br />\n");
+    my $checked=(($env{'form.noFirstLine'})?' checked="checked"':'');
+    $r->print('<p>'
+             .&mt('Total number of records found in file: [_1]'
+                 ,'<b>'.$distotal.'</b>')
+             ."</p>\n");
     $r->print('<div class="LC_left_float"><h3>'.
               &mt('Identify fields in uploaded list')."</h3>\n");
     $r->print(&mt('Enter as many fields as you can.<br /> The system will inform you and bring you back to this page, <br /> if the data selected are insufficient to add users.')."<br />\n");
@@ -345,10 +347,13 @@ sub print_upload_manager_header {
               &mt('Ignore First Line').'</label><br />');
     $r->print('<br /><input type="button" value="'.&mt('Reverse Association').'" '.
               'name="Reverse Association" '.
-              'onClick="javascript:this.form.associate.value=\'Reverse Association\';submit(this.form);" />');
+              'onclick="javascript:this.form.associate.value=\'Reverse Association\';submit(this.form);" />');
     $r->print("<br /><br />\n".
               '<script type="text/javascript" language="Javascript">'."\n".
-              $javascript."\n".$javascript_validations.'</script>');
+              '// <![CDATA['."\n".
+              $javascript."\n".$javascript_validations."\n".
+              '// ]]>'."\n".
+              '</script>');
 }
 
 ###############################################################
@@ -401,7 +406,7 @@ sub javascript_validations {
          krb      => 'You need to specify the Kerberos domain.',
          ipass    => 'You need to specify the initial password.',
          name     => 'The optional name field was not specified.',
-         snum     => 'The optional ID number field was not specified.',
+         snum     => 'The optional student/employee ID field was not specified.',
          section  => 'The optional section field was not specified.',
          email    => 'The optional e-mail address field was not specified.',
          role     => 'The optional role field was not specified.',
@@ -757,78 +762,134 @@ sub print_upload_manager_footer {
     my $locform = &Apache::loncommon::authform_local(%param);
     my $date_table = &date_setting_table(undef,undef,$context,undef,
                                          $formname,$permission);
+
     my $Str = "\n".'<div class="LC_left_float">';
     $Str .= &hidden_input('nfields',$i);
     $Str .= &hidden_input('keyfields',$keyfields);
-    $Str .= "<h3>".&mt('Login Type')."</h3>\n";
+
+    $Str .= '<h3>'.&mt('Options').'</h3>'
+           .&Apache::lonhtmlcommon::start_pick_box();
+
+    $Str .= &Apache::lonhtmlcommon::row_title(&mt('Login Type'));
     if ($context eq 'domain') {
-        $Str .= '<p>'.&mt('Change authentication for existing users in domain "[_1]" to these settings?',$defdom).'&nbsp;<span class="LC_nobreak"><label><input type="radio" name="changeauth" value="No" checked="checked" />'.&mt('No').'</label>&nbsp;&nbsp;<label><input type="radio" name="changeauth" value="Yes" />'.&mt('Yes').'</label></span></p>'; 
+        $Str .= '<p>'
+               .&mt('Change authentication for existing users in domain "[_1]" to these settings?'
+                   ,$defdom)
+               .'&nbsp;<span class="LC_nobreak"><label>'
+               .'<input type="radio" name="changeauth" value="No" checked="checked" />'
+               .&mt('No').'</label>'
+               .'&nbsp;&nbsp;<label>'
+               .'<input type="radio" name="changeauth" value="Yes" />'
+               .&mt('Yes').'</label>'
+               .'</span></p>'; 
     } else {
-        $Str .= "<p>\n".
-            &mt('Note: This will not take effect if the user already exists.').
+        $Str .= '<p class="LC_info">'."\n".
+            &mt('This will not take effect if the user already exists.').
             &Apache::loncommon::help_open_topic('Auth_Options').
             "</p>\n";
     }
     $Str .= &set_login($defdom,$krbform,$intform,$locform);
+
     my ($home_server_pick,$numlib) =
         &Apache::loncommon::home_server_form_item($defdom,'lcserver',
                                                   'default','hide');
     if ($numlib > 1) {
-        $Str .= '<h3>'.&mt('LON-CAPA Home Server for New Users')."</h3>\n".
-                &mt('LON-CAPA domain: [_1] with home server: [_2]',$defdom,
-                $home_server_pick).'<br />';
-    } else {
-        $Str .= $home_server_pick;
-    }
-    $Str .= '<h3>'.&mt('Default domain').'</h3>'."\n".
-            &Apache::loncommon::select_dom_form($defdom,'defaultdomain',undef,1);
-    $Str .= '<h3>'.&mt('Starting and Ending Dates').
-            "</h3>\n";
-    $Str .= "<p>\n".$date_table."</p>\n";
+        $Str .= &Apache::lonhtmlcommon::row_closure()
+               .&Apache::lonhtmlcommon::row_title(
+                    &mt('LON-CAPA Home Server for New Users'))
+               .&mt('LON-CAPA domain: [_1] with home server:','"'.$defdom.'"')
+               .$home_server_pick
+               .&Apache::lonhtmlcommon::row_closure();
+    } else {
+        $Str .= $home_server_pick.
+                &Apache::lonhtmlcommon::row_closure();
+    }
+
+    $Str .= &Apache::lonhtmlcommon::row_title(&mt('Default domain'))
+           .&Apache::loncommon::select_dom_form($defdom,'defaultdomain',undef,1)
+           .&Apache::lonhtmlcommon::row_closure();
+
+    $Str .= &Apache::lonhtmlcommon::row_title(&mt('Starting and Ending Dates'))
+           ."<p>\n".$date_table."</p>\n"
+           .&Apache::lonhtmlcommon::row_closure();
+
     if ($context eq 'domain') {
-        $Str .= '<h3>'.&mt('Settings for assigning roles:').'</h3>'."\n".
-                &mt('Pick the action to take on roles for these users:').'<br /><span class="LC_nobreak"><label><input type="radio" name="roleaction" value="norole" checked="checked" />&nbsp;'.&mt('No role changes').'</label>&nbsp;&nbsp;&nbsp;<label><input type="radio" name="roleaction" value="domain" />&nbsp;'.&mt('Add a domain role').'</label>&nbsp;&nbsp;&nbsp;<label><input type="radio" name="roleaction" value="course" />&nbsp;'.&mt('Add a course role').'</label></span>';
-    }
-    if ($context eq 'author') {
-        $Str .= '<h3>'.&mt('Default role')."</h3>\n".
-                &mt('Choose the role to assign to users without a value specified in the uploaded file');
+        $Str .= &Apache::lonhtmlcommon::row_title(
+                    &mt('Settings for assigning roles'))
+               .&mt('Pick the action to take on roles for these users:').'<br />'
+               .'<span class="LC_nobreak"><label>'
+               .'<input type="radio" name="roleaction" value="norole" checked="checked" />'
+               .'&nbsp;'.&mt('No role changes').'</label>'
+               .'&nbsp;&nbsp;&nbsp;<label>'
+               .'<input type="radio" name="roleaction" value="domain" />'
+               .'&nbsp;'.&mt('Add a domain role').'</label>'
+               .'&nbsp;&nbsp;&nbsp;<label>'
+               .'<input type="radio" name="roleaction" value="course" />'
+               .'&nbsp;'.&mt('Add a course role').'</label>'
+               .'</span>';
+    } elsif ($context eq 'author') {
+        $Str .= &Apache::lonhtmlcommon::row_title(
+                    &mt('Default role'))
+               .&mt('Choose the role to assign to users without a value specified in the uploaded file.')
     } elsif ($context eq 'course') {
-        $Str .= '<h3>'.&mt('Default role and section')."</h3>\n".
-                &mt('Choose the role and/or section(s) to assign to users without values specified in the uploaded file');
-    } else {
-        $Str .= '<br /><br /><b>'.&mt('Default role and/or section(s)')."</b><br />\n".
-                &mt('Role and/or section(s) for users without values specified in the uploaded file.');
+        $Str .= &Apache::lonhtmlcommon::row_title(
+                    &mt('Default role and section'))
+               .&mt('Choose the role and/or section(s) to assign to users without values specified in the uploaded file.');
+    } else {
+        $Str .= &Apache::lonhtmlcommon::row_title(
+                    &mt('Default role and/or section(s)'))
+               .&mt('Role and/or section(s) for users without values specified in the uploaded file.');
     }
-    $Str .= '<br />';
     if (($context eq 'domain') || ($context eq 'author')) {
+        $Str .= '<br />';
         my ($options,$cb_script,$coursepick) = &default_role_selector($context,1);
         if ($context eq 'domain') {
-            $Str .= '<span class="LC_role_level">'.&mt('Domain Level').'</span><br />'.$options.'<br /><br /><span class="LC_role_level">'.&mt('Course Level').'</span><br />'.$cb_script.$coursepick;
+            $Str .= '<p>'
+                   .'<b>'.&mt('Domain Level').'</b><br />'
+                   .$options
+                   .'</p><p>'
+                   .'<b>'.&mt('Course Level').'</b>'
+                   .'</p>'
+                   .$cb_script.$coursepick
+                   .&Apache::lonhtmlcommon::row_closure();
         } elsif ($context eq 'author') {
-            $Str .= $options;
+            $Str .= $options
+                   .&Apache::lonhtmlcommon::row_closure(1); # last row in pick_box
         }
     } else {
         my ($cnum,$cdom) = &get_course_identity();
         my $rowtitle = &mt('section');
         my $secbox = &section_picker($cdom,$cnum,'Any',$rowtitle,
                                      $permission,$context,'upload');
-        $Str .= $secbox."<h3>".&mt('Full Update')."</h3>\n".
-                '<p><label><input type="checkbox" name="fullup" value="yes" />'.
-                ' '.&mt('Display students with current/future access who are not in the uploaded file.').'</label><br />'.&mt('Students selected from this list can be dropped.').'</p>'."\n";
+        $Str .= $secbox
+               .&Apache::lonhtmlcommon::row_closure();
+
+        $Str .= &Apache::lonhtmlcommon::row_title(&mt('Full Update'))
+               .'<label><input type="checkbox" name="fullup" value="yes" />'.
+                ' '.&mt('Display students with current/future access who are not in the uploaded file.')
+               .'</label><br />'
+               .&mt('Students selected from this list can be dropped.')
+               .&Apache::lonhtmlcommon::row_closure();
     }
     if ($context eq 'course' || $context eq 'domain') {
         $Str .= &forceid_change($context);
     }
+
+    $Str .= &Apache::lonhtmlcommon::end_pick_box();
     $Str .= '</div>';
-    $Str .= '<div class="LC_clear_float_footer">';
+
+    # Footer
+    $Str .= '<div class="LC_clear_float_footer">'
+           .'<hr />';
     if ($context eq 'course') {
-        $Str .= '<div class="LC_info">'
+        $Str .= '<p class="LC_info">'
                .&mt('Note: For large courses, this operation may be time consuming.')
-               .'</div>';
+               .'</p>';
     }
-    $Str .= '<input type="button"'
-           .'onClick="javascript:verify(this.form,this.form.csec)" '
-           .'value="'.&mt('Update Users').'" />'."\n"
+    $Str .= '<p><input type="button"'
+           .' onclick="javascript:verify(this.form,this.form.csec)"'
+           .' value="'.&mt('Update Users').'" />'
+           .'</p>'."\n"
            .'</div>';
     $r->print($Str);
     return;
@@ -837,18 +898,18 @@ sub print_upload_manager_footer {
 sub forceid_change {
     my ($context) = @_;
     my $output = 
-        "<h3>".&mt('Student/Employee ID')."</h3>\n".
-        "<p>\n".'<label><input type="checkbox" name="forceid" value="yes" />'.
-        &mt('Disable Student/Employee ID Safeguard and force change of conflicting IDs').
-        '</label><br />'."\n".
-        &mt('(only do if you know what you are doing.)')."\n";
+        &Apache::lonhtmlcommon::row_title(&mt('Student/Employee ID'))
+       .'<label><input type="checkbox" name="forceid" value="yes" />'
+       .&mt('Disable Student/Employee ID Safeguard and force change of conflicting IDs')
+       .'</label><br />'."\n"
+       .&mt('(only do if you know what you are doing.)')."\n";
     if ($context eq 'domain') {
         $output .= '<br /><label><input type="checkbox" name="recurseid"'.
                    ' value="yes" />'. 
-  &mt('Update Student/Employee ID in courses in which user is active/future student,[_1](if forcing change).','<br />').
+  &mt('Update student/employee ID in courses in which user is active/future student,[_1](if forcing change).','<br />').
                    '</label>'."\n";
     }
-    $output .= '</p>';
+    $output .= &Apache::lonhtmlcommon::row_closure(1); # last row in pick_box
     return $output;
 }
 
@@ -1122,7 +1183,7 @@ sub default_role_selector {
                       '<th>'.$lt{'grs'}.'</th>'.
                       &Apache::loncommon::end_data_table_header_row().
                       &Apache::loncommon::start_data_table_row()."\n".
-                      '<td><input type="text" name="coursedesc" value="" onFocus="this.blur();opencrsbrowser('."'studentform','dccourse','dcdomain','coursedesc',''".')" /></td>'."\n".
+                      '<td><input type="text" name="coursedesc" value="" onfocus="this.blur();opencrsbrowser('."'studentform','dccourse','dcdomain','coursedesc',''".')" /></td>'."\n".
                       '<td><select name="courserole">'."\n".
                       &default_course_roles($context,$checkpriv,%customroles)."\n".
                       '</select></td><td>'.
@@ -1315,9 +1376,9 @@ sub print_userlist {
                                            'html'  => 'HTML');
         my $output_selector = '<select size="1" name="output" >';
         foreach my $outputformat ('html','csv','excel') {
-            my $option = '<option value="'.$outputformat.'" ';
+            my $option = '<option value="'.$outputformat.'"';
             if ($outputformat eq $env{'form.output'}) {
-                $option .= 'selected ';
+                $option .= ' selected="selected"';
             }
             $option .='>'.$lt{$outputformat}.'</option>';
             $output_selector .= "\n".$option;
@@ -1332,7 +1393,7 @@ sub print_userlist {
              .'</span></label>'.('&nbsp;'x3)."\n");
     my $roleselected = '';
     if ($env{'form.showrole'} eq 'Any') {
-       $roleselected = ' selected="selected" '; 
+       $roleselected = ' selected="selected"'; 
     }
     my ($cnum,$cdom);
     $r->print(&role_filter($context));
@@ -1526,7 +1587,7 @@ sub role_filter {
     my $output;
     my $roleselected = '';
     if ($env{'form.showrole'} eq 'Any') {
-       $roleselected = ' selected="selected" ';
+       $roleselected = ' selected="selected"';
     }
     my ($role_select);
     if ($context eq 'domain') {
@@ -1542,7 +1603,7 @@ sub role_filter {
         foreach my $role (@poss_roles) {
             $roleselected = '';
             if ($role eq $env{'form.showrole'}) {
-                $roleselected = ' selected="selected" ';
+                $roleselected = ' selected="selected"';
             }
             my $plrole;
             if ($role eq 'cr') {
@@ -1599,7 +1660,7 @@ sub section_group_filter {
             foreach my $option ('all','none',@options) { 
                 $currsel = '';
                 if ($env{'form.'.$name{$item}} eq $option) {
-                    $currsel = ' selected="selected" ';
+                    $currsel = ' selected="selected"';
                 }
                 $markup .= ' <option value="'.$option.'"'.$currsel.'>';
                 if (($option eq 'all') || ($option eq 'none')) {
@@ -1998,6 +2059,7 @@ sub show_users_list {
             if ($env{'course.'.$cid.'.internal.showphoto'}) {
                 $r->print('
 <script type="text/javascript">
+// <![CDATA[
 function photowindow(photolink) {
     var title = "Photo_Viewer";
     var options = "scrollbars=1,resizable=1,menubar=0";
@@ -2005,6 +2067,7 @@ function photowindow(photolink) {
     stdeditbrowser = open(photolink,title,options,"1");
     stdeditbrowser.focus();
 }
+// ]]>
 </script>
                ');
             }
@@ -2021,6 +2084,7 @@ END
         $r->print(<<END);
 
 <script type="text/javascript" language="Javascript">
+// <![CDATA[
 $check_uncheck_js
 
 $verify_action_js
@@ -2058,7 +2122,19 @@ function username_display_launch(usernam
             document.location.href = '/adm/'+domain+'/'+username+'/aboutme';
         }
     }
+    if (target == 'track') {
+        if (document.$formname.userwin.checked == true) {
+            var url = '/adm/trackstudent?selected_student='+username+':'+domain+'&only_body=1';
+            var options = 'height=600,width=800,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no';
+            var trackwin = window.open(url,'',options,1);
+            trackwin.focus();
+            return;
+        } else {
+            document.location.href = '/adm/trackstudent?selected_student='+username+':'+domain;
+        }
+    }
 }
+// ]]>
 </script>
 $date_sec_selector
 <input type="hidden" name="state" value="$env{'form.state'}" />
@@ -2091,6 +2167,7 @@ END
                        'aboutme'    => "Display a user's personal information page",
                        'owin'       => "Open in a new window",
                        'modify'     => "Modify a user's information",
+                       'track'      => "View a user's recent activity",
                        'clicker'    => "Clicker-ID",
                       );
     if ($context eq 'domain' && $env{'form.roletype'} eq 'course') {
@@ -2204,6 +2281,11 @@ END
             if ($permission->{'cusr'}) {
                 unshift (@linkdests,'modify');
             }
+            if (&Apache::lonnet::allowed('vsa', $env{'request.course.id'}) ||
+                &Apache::lonnet::allowed('vsa', $env{'request.course.id'}.'/'.
+                                         $env{'request.course.sec'})) {
+                push(@linkdests,'track');
+            }
             $output .= '<td>';
             my $usernamelink = $env{'form.usernamelink'};
             if ($usernamelink eq '') {
@@ -2572,7 +2654,7 @@ END
                     }
                     if ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'}) {
                         if ($displayphotos eq 'on' && $role eq 'st' && $in{'photo'} ne '') {
-                            $r->print('    <td align="right"><a href="javascript:photowindow('."'".$in{'photo'}."'".')"><img src="'.$in{'thumbnail'}.'" border="1"></a></td>');
+                            $r->print('    <td align="right"><a href="javascript:photowindow('."'".$in{'photo'}."'".')"><img src="'.$in{'thumbnail'}.'" border="1" alt="" /></a></td>');
                         } else {
                             $r->print('    <td>&nbsp;</td>  ');
                         }
@@ -2859,8 +2941,8 @@ sub select_actions {
             }
         }
         if ($choices{'sections'}) {
-            $output .= '<input type="hidden" name="retainsec" value= "" />'."\n".
-                       '<input type="hidden" name="newsecs" value= "" />'."\n";
+            $output .= '<input type="hidden" name="retainsec" value="" />'."\n".
+                       '<input type="hidden" name="newsecs" value="" />'."\n";
         }
     }
     return $output;
@@ -2874,9 +2956,9 @@ sub date_section_javascript {
         delete => "Check the boxes for any users for whom roles are to be deleted, and click 'Proceed'",
         none   => "Choose an action to take for selected users",
     );  
-    my $output = '
-<script type="text/javascript">'."\n";
-    $output .= <<"ENDONE";
+    my $output = <<"ENDONE";
+<script type="text/javascript">
+// <![CDATA[
     function opendatebrowser(callingform,formname,calledby) {
         var bulkaction = callingform.bulkaction.options[callingform.bulkaction.selectedIndex].value;
         var url = '/adm/createuser?';
@@ -2899,6 +2981,7 @@ ENDONE
         stdeditbrowser = open(url,title,options,'1');
         stdeditbrowser.focus();
     }
+// ]]>
 </script>
 ENDTWO
     return $output;
@@ -2912,6 +2995,7 @@ sub date_section_selector {
     my $sec_js = &setsections_javascript($formname,$groupslist);
     my $output = <<"END";
 <script type="text/javascript">
+// <![CDATA[
 
 $sec_js
 
@@ -2980,6 +3064,7 @@ END
 
 $verify_action_js
 
+// ]]>
 </script>
 ENDJS
     my %lt = &Apache::lonlocal::texthash (
@@ -3256,7 +3341,9 @@ sub show_drop_list {
 <input type="hidden" name="action" value="$action" />
 <input type="hidden" name="state"  value="done" />
 <script type="text/javascript" language="Javascript">
+// <![CDATA[
 $check_uncheck_js
+// ]]>
 </script>
 <p>
 <input type="hidden" name="phase" value="four" />
@@ -3396,10 +3483,14 @@ END
                        'ua'   => "uncheck all",
                                        );
     $r->print(<<"END");
-</p><p>
+</p>
+<p>
 <input type="button" value="$lt{'ca'}" onclick="javascript:checkAll(document.studentform.droplist)" /> &nbsp;
 <input type="button" value="$lt{'ua'}" onclick="javascript:uncheckAll(document.studentform.droplist)" />
-<p><input type=submit value="$lt{'dp'}" /></p>
+</p>
+<p>
+<input type="submit" value="$lt{'dp'}" />
+</p>
 END
     return;
 }
@@ -3413,24 +3504,39 @@ sub print_first_users_upload_form {
     $str  = '<input type="hidden" name="phase" value="two" />';
     $str .= '<input type="hidden" name="action" value="upload" />';
     $str .= '<input type="hidden"   name="state"  value="got_file" />';
+
     $str .= '<h2>'.&mt('Upload a file containing information about users').'</h2>'."\n";
-    $str .= '<p class="LC_info">'
-           .&mt('Please upload an UTF8 encoded file to ensure a correct character encoding in your classlist.')
-           .'</p>'."\n";
-    $str .= &Apache::loncommon::upfile_select_html();
-    $str .= '<p>';
-    $str .= &Apache::loncommon::help_open_topic("Course_Create_Class_List",
-                         &mt("How do I create a users list from a spreadsheet")).
-                             "<br />\n";
-    $str .= &Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
-                           &mt("How do I create a CSV file from a spreadsheet"));
-    $str .= "</p>\n";
-    $str .= "<p>\n";
-    $str .= '<label><input type="checkbox" name="noFirstLine" /> '.
-        &mt('Ignore First Line')."</label></p>\n";
-    $str .= '<input type="submit" name="fileupload" value="'.
-        &mt('Next').'" />'."<br />\n";
+
+    # Excel and CSV Help
+    $str .= '<p>'
+           .&Apache::loncommon::help_open_topic("Course_Create_Class_List",
+                &mt("How do I create a users list from a spreadsheet"))
+           ."<br />\n"
+           .&Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
+                &mt("How do I create a CSV file from a spreadsheet"))
+           ."</p>\n";
+
+    $str .= &Apache::lonhtmlcommon::start_pick_box()
+           .&Apache::lonhtmlcommon::row_title(&mt('File'))
+           .'<p class="LC_info">'."\n"
+           .&mt('Please upload an UTF8 encoded file to ensure a correct character encoding in your classlist.')."\n"
+           .'</p>'."\n"
+           .&Apache::loncommon::upfile_select_html()
+           .&Apache::lonhtmlcommon::row_closure()
+           .&Apache::lonhtmlcommon::row_title(
+                '<label for="noFirstLine">'
+               .&mt('Ignore First Line')
+               .'</label>')
+           .'<input type="checkbox" name="noFirstLine" id="noFirstLine" />'
+           .&Apache::lonhtmlcommon::row_closure(1)
+           .&Apache::lonhtmlcommon::end_pick_box();
+
+    $str .= '<p>'
+           .'<input type="submit" name="fileupload" value="'.&mt('Next').'" />'
+           .'</p>';
+
     $str .= &Apache::loncommon::end_page();
+
     $r->print($str);
     return;
 }
@@ -3607,6 +3713,8 @@ sub upfile_drop_add {
         } else {
             $r->print('<h3>'.&mt('Adding/Modifying Users')."</h3>\n<p>\n");
         }
+        $r->rflush;
+
         my %counts = (
                        user => 0,
                        auth => 0,
@@ -4437,7 +4545,7 @@ sub course_sections {
     my $output = '';
     my @sections = (sort {$a <=> $b} keys %{$sections_count});
     my $numsec = scalar(@sections);
-    my $is_selected = ' selected="selected" ';
+    my $is_selected = ' selected="selected"';
     if ($numsec <= 1) {
         $output = '<select name="currsec_'.$role.'" >'."\n".
                   '  <option value="">'.&mt('Select').'</option>'."\n";
@@ -4636,7 +4744,7 @@ sub can_create_user {
     }
     if (ref($domconf{'usercreation'}) eq 'HASH') {
         if (ref($domconf{'usercreation'}{'cancreate'}) eq 'HASH') {
-            if ($context eq 'course' || $context eq 'author') {
+            if ($context eq 'course' || $context eq 'author' || $context eq 'requestcrs') {
                 my $creation = $domconf{'usercreation'}{'cancreate'}{$context};
                 if ($creation eq 'none') {
                     $cancreate = 0;
@@ -4737,14 +4845,18 @@ sub roles_by_context {
     my ($context,$custom) = @_;
     my @allroles;
     if ($context eq 'course') {
-        @allroles = ('st','ad','ta','ep','in','cc');
+        @allroles = ('st');
+        if ($env{'request.role'} =~ m{^dc\./}) {
+            push(@allroles,'ad');
+        }
+        push(@allroles,('ta','ep','in','cc'));
         if ($custom) {
             push(@allroles,'cr');
         }
     } elsif ($context eq 'author') {
         @allroles = ('ca','aa');
     } elsif ($context eq 'domain') {
-        @allroles = ('li','dg','sc','au','dc');
+        @allroles = ('li','ad','dg','sc','au','dc');
     }
     return @allroles;
 }