--- rat/lonpage.pm	2017/09/29 19:18:18	1.125
+++ rat/lonpage.pm	2019/08/11 14:16:59	1.128
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Page Handler
 #
-# $Id: lonpage.pm,v 1.125 2017/09/29 19:18:18 raeburn Exp $
+# $Id: lonpage.pm,v 1.128 2019/08/11 14:16:59 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -324,8 +324,8 @@ ENDEXT
                               }
                           } elsif ($cellemb{$_} eq 'ssi') {
 # --------------------------------------------------------- This is an SSI cell
-			      my $prefix=$_.'_';
-                              my $idprefix= join('_',($mapid,$resid,''));
+			      my $prefix='p_'.$_.'_';
+                              my $idprefix= 'p_'.join('_',($mapid,$resid,''));
                               my %posthash=('request.prefix' => $prefix,
 					    'LONCAPA_INTERNAL_no_discussion' => 'true',
 					    'symb' => $symb);
@@ -338,23 +338,26 @@ ENDEXT
 				  $posthash{'rndseed'}=$env{'form.rndseed'};
                                   $posthash{'answer_output_mode'} = $env{'form.answer_output_mode'};
 			      }
-			      my $submitted=exists($env{'form.all_submit'});
+			      my $submitted=$env{'form.all_submit_pressed'};
 			      if (!$submitted) {
 				  foreach my $key (keys(%env)) {
-				      if ($key=~/^form.\Q$prefix\Esubmit_/) {
-					  $submitted=1;last;
+				      if ($key=~/^\Qform.$prefix\Esubmit_(.+)_pressed$/) {
+                                          if ($env{$key}) {
+                                              $submitted=1;
+                                              last;
+                                          }
 				      }
-				  }
+                                  }
 			      }
                               if ($submitted) {
 				  foreach my $key (keys(%env)) {
-				      if ($key=~/^form.\Q$prefix\E/) {
+				      if ($key=~/^\Qform.$prefix\E/) {
 					  my $name=$key;
-					  $name=~s/^form.\Q$prefix\E//;
+					  $name=~s/^\Qform.$prefix\E//;
 					  $posthash{$name}=$env{$key};
-				      }
+                                      }
 				  }
-				  if (exists($env{'form.all_submit'})) {
+				  if ($env{'form.all_submit_pressed'}) {
 				      $posthash{'all_submit'}='yes';
 				  }
 			      }
@@ -465,8 +468,6 @@ ENDEXT
                                   $output=~
                                       s/(\Q<td class="LC_status_\E)(\Qsubmit_\E)([^\"]*)(\s*[^\"]*"\>)/$1$idprefix$2$3$4/g;
                                   if ($nuploads) {
-                                      $output=~
-                                          s/\<(input[^\>]+name=\"\Q$prefix\EHWFILE[^\>]+)\s*id\s*\=\s*[\'\"]*([^\'\"]+)[\'\"]*([^\)]*)\>/\<$1 id="$prefix$2" $3\>/gsi;
                                        ($turninpaths{$prefix},$multiresps{$prefix}) = 
                                            &Apache::loncommon::get_turnedin_filepath($symb,$env{'user.name'},$env{'user.domain'});
                                        if ($turninparent eq '') {
@@ -620,7 +621,9 @@ ENDEXT
 				  "\n</script>\n";
 			  }
                           if (($nforms) && ($nuploads)) {
-                              $allscript .= &Apache::lonhtmlcommon::file_submissionchk_js(\%turninpaths,\%multiresps);
+                              $allscript .= &Apache::lonhtmlcommon::file_submissionchk_js(\%turninpaths,\%multiresps).
+                                            '<script type="text/javascript" '.
+                                            'src="/res/adm/includes/file_upload.js"></script>';
                           }
                           if (($nforms) && (&Apache::lonhtmlcommon::htmlareabrowser())) {
                               my %textarea_args = (
@@ -840,6 +843,8 @@ ENDEXT
                           $r->print(
 	                  '<input name="all_submit" value="'.&mt('Submit All').'" type="'.
 			  (($nforms>1)?'submit':'hidden').'"'.$class.' id="all_submit" />'.
+                          '<input type="hidden" name="all_submit_pressed" '.
+                          'id="all_submit_pressed" value="" />'.
                           '<div id="msg_all_submit" style="display:none">'.
                           &mt('Processing your submission ...').'</div></form>');
                       }