Merge branch 'new/bug_5307' into kcmaster
[wip/koha-chris_n.git] / admin / auth_subfields_structure.pl
1 #!/usr/bin/perl
2
3 # Copyright 2000-2002 Katipo Communications
4 #
5 # This file is part of Koha.
6 #
7 # Koha is free software; you can redistribute it and/or modify it under the
8 # terms of the GNU General Public License as published by the Free Software
9 # Foundation; either version 2 of the License, or (at your option) any later
10 # version.
11 #
12 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
13 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
14 # A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
15 #
16 # You should have received a copy of the GNU General Public License along
17 # with Koha; if not, write to the Free Software Foundation, Inc.,
18 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19
20 use strict;
21 #use warnings; FIXME - Bug 2505
22 use C4::Output;
23 use C4::Auth;
24 use CGI;
25 use C4::Context;
26
27
28 sub string_search  {
29         my ($searchstring,$authtypecode)=@_;
30         my $dbh = C4::Context->dbh;
31         $searchstring=~ s/\'/\\\'/g;
32         my @data=split(' ',$searchstring);
33         my $sth=$dbh->prepare("Select * from auth_subfield_structure where (tagfield like ? and authtypecode=?) order by tagfield");
34         $sth->execute("$searchstring%",$authtypecode);
35         my $results = $sth->fetchall_arrayref({});
36         return (scalar(@$results), $results);
37 }
38
39 sub auth_subfield_structure_exists {
40         my ($authtypecode, $tagfield, $tagsubfield) = @_;
41         my $dbh  = C4::Context->dbh;
42         my $sql  = "select tagfield from auth_subfield_structure where authtypecode = ? and tagfield = ? and tagsubfield = ?";
43         my $rows = $dbh->selectall_arrayref($sql, {}, $authtypecode, $tagfield, $tagsubfield);
44         return @$rows > 0;
45 }
46
47 my $input        = new CGI;
48 my $tagfield     = $input->param('tagfield');
49 my $tagsubfield  = $input->param('tagsubfield');
50 my $authtypecode = $input->param('authtypecode');
51 my $offset       = $input->param('offset');
52 my $op           = $input->param('op') || '';
53 my $script_name  = "/cgi-bin/koha/admin/auth_subfields_structure.pl";
54
55 my ($template, $borrowernumber, $cookie) = get_template_and_user(
56     {   template_name   => "admin/auth_subfields_structure.tmpl",
57         query           => $input,
58         type            => "intranet",
59         authnotrequired => 0,
60         flagsrequired   => { parameters => 1 },
61         debug           => 1,
62     }
63 );
64 my $pagesize = 30;
65 $tagfield =~ s/\,//g;
66
67 if ($op) {
68 $template->param(script_name => $script_name,
69                                                 tagfield =>$tagfield,
70                                                 authtypecode => $authtypecode,
71                                                 $op              => 1); # we show only the TMPL_VAR names $op
72 } else {
73 $template->param(script_name => $script_name,
74                                                 tagfield =>$tagfield,
75                                                 authtypecode => $authtypecode,
76                                                 else              => 1); # we show only the TMPL_VAR names $op
77 }
78
79 my $dbh = C4::Context->dbh;
80 ################## ADD_FORM ##################################
81 # called by default. Used to create form to add or  modify a record
82 if ($op eq 'add_form') {
83         my $data;
84         my $more_subfields = $input->param("more_subfields")+1;
85         # builds kohafield tables
86         my @kohafields;
87         push @kohafields, "";
88         my $sth2=$dbh->prepare("SHOW COLUMNS from auth_header");
89         $sth2->execute;
90         while ((my $field) = $sth2->fetchrow_array) {
91                 push @kohafields, "auth_header.".$field;
92         }
93         
94         # build authorised value list
95         $sth2 = $dbh->prepare("select distinct category from authorised_values");
96         $sth2->execute;
97         my @authorised_values;
98         push @authorised_values,"";
99         while ((my $category) = $sth2->fetchrow_array) {
100                 push @authorised_values, $category;
101         }
102         push (@authorised_values,"branches");
103         push (@authorised_values,"itemtypes");
104     
105     # build thesaurus categories list
106     $sth2 = $dbh->prepare("select authtypecode from auth_types");
107     $sth2->execute;
108     my @authtypes;
109     push @authtypes, "";
110     while ( ( my $authtypecode ) = $sth2->fetchrow_array ) {
111         push @authtypes, $authtypecode;
112     }
113
114         # build value_builder list
115         my @value_builder=('');
116
117         # read value_builder directory.
118         # 2 cases here : on CVS install, $cgidir does not need a /cgi-bin
119         # on a standard install, /cgi-bin need to be added. 
120         # test one, then the other
121         my $cgidir = C4::Context->intranetdir ."/cgi-bin";
122         unless (opendir(DIR, "$cgidir/cataloguing/value_builder")) {
123                 $cgidir = C4::Context->intranetdir;
124                 opendir(DIR, "$cgidir/cataloguing/value_builder") || die "can't opendir $cgidir/value_builder: $!";
125         } 
126         while (my $line = readdir(DIR)) {
127                 if ($line =~ /\.pl$/) {
128                         push (@value_builder,$line);
129                 }
130         }
131         @value_builder= sort {$a cmp $b} @value_builder;
132         closedir DIR;
133
134         # build values list
135         my $sth=$dbh->prepare("select * from auth_subfield_structure where tagfield=? and authtypecode=?"); # and tagsubfield='$tagsubfield'");
136         $sth->execute($tagfield,$authtypecode);
137         my @loop_data = ();
138         my $i=0;
139         while ($data =$sth->fetchrow_hashref) {
140
141                 my %row_data;  # get a fresh hash for the row data
142                 $row_data{tab} = CGI::scrolling_list(-name=>'tab',
143                                         -id=>"tab$i",
144                                         -values =>
145                                         [ '-1', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '10' ],
146                                         -labels => {
147                                             '-1' => 'ignore',
148                                             '0'  => '0',
149                                             '1'  => '1',
150                                             '2'  => '2',
151                                             '3'  => '3',
152                                             '4'  => '4',
153                                             '5'  => '5',
154                                             '6'  => '6',
155                                             '7'  => '7',
156                                             '8'  => '8',
157                                             '9'  => '9',
158                                         },
159                                         -default=>$data->{'tab'},
160                                         -size=>1,
161                                         -tabindex=>'',
162                                         -multiple=>0,
163                                         );
164                 $row_data{ohidden} = CGI::scrolling_list(-name=>'ohidden',
165                                         -id=>"ohidden$i",
166                                         #-values=>['0','1','2'],
167                                         #-labels => {'0'=>'Show','1'=>'Show Collapsed',
168                                         #                               '2' =>'Hide',
169                                         #                               },
170                                         -values=>['0','-5'],
171                                         -labels => {'0'=>'Show All','-5'=>'Hide All',},
172                                         -default=>$data->{'hidden'},
173                                         #-default=>"-5",
174                                         -size=>1,
175                                         -multiple=>0,
176                                         );
177                 #$row_data{ihidden} = CGI::scrolling_list(-name=>'ihidden',
178                 #                       -id=>"ihidden$i",
179                 #                       -values=>['0','1','2'],
180                 #                       -labels => {'0'=>'Show','1'=>'Show Collapsed',
181                 #                                                       '2' =>'Hide',
182                 #                                                       },
183                 #                       -default=>substr($data->{'hidden'},1,1),
184                 #                       -size=>1,
185                 #                       -multiple=>0,
186                 #                       );
187                 #$row_data{ehidden} = CGI::scrolling_list(-name=>'ehidden',
188                 #                       -id=>"ehidden$i",
189                 #                       -values=>['0','1','2'],
190                 #                       -labels => {'0'=>'Show','1'=>'Show Collapsed',
191                 #                                                       '2' =>'Hide',
192                 #                                                       },
193                 #                       -default=>substr($data->{'hidden'}."  ",2,1),
194                 #                       -size=>1,
195                 #                       -multiple=>0,
196                 #                       );
197                 $row_data{tagsubfieldinput} = "<input type=\"hidden\" name=\"tagsubfield\" value=\"".$data->{'tagsubfield'}."\" id=\"tagsubfield\" />";
198                 $row_data{tagsubfield} = $data->{'tagsubfield'};
199                 $row_data{liblibrarian} = CGI::escapeHTML($data->{'liblibrarian'});
200                 $row_data{libopac} = CGI::escapeHTML($data->{'libopac'});
201                 $row_data{seealso} = CGI::escapeHTML($data->{'seealso'});
202                 $row_data{kohafield}= CGI::scrolling_list( -name=>"kohafield",
203                                         -id=>"kohafield$i",
204                                         -values=> \@kohafields,
205                                         -default=> "$data->{'kohafield'}",
206                                         -size=>1,
207                                         -multiple=>0,
208                                         );
209                 $row_data{authorised_value}  = CGI::scrolling_list(-name=>'authorised_value',
210                                         -id=>"authorised_value$i",
211                                         -values=> \@authorised_values,
212                                         -default=>$data->{'authorised_value'},
213                                         -size=>1,
214                                         -tabindex=>'',
215                                         -multiple=>0,
216                                         );
217                 $row_data{frameworkcode}  = CGI::scrolling_list(-name=>'frameworkcode',
218                                         -id=>"frameworkcode$i",
219                                         -values=> \@authtypes,
220                                         -default=>$data->{'frameworkcode'},
221                                         -size=>1,
222                                         -tabindex=>'',
223                                         -multiple=>0,
224                                         );
225                 $row_data{value_builder}  = CGI::scrolling_list(-name=>'value_builder',
226                                         -id=>"value_builder$i",
227                                         -values=> \@value_builder,
228                                         -default=>$data->{'value_builder'},
229                                         -size=>1,
230                                         -tabindex=>'',
231                                         -multiple=>0,
232                                         );
233                 
234                 $row_data{repeatable} = CGI::checkbox(-name=>"repeatable$i",
235         -checked => $data->{'repeatable'}?'checked':'',
236         -value => 1,
237         -label => '',
238         -id => "repeatable$i");
239                 $row_data{mandatory} = CGI::checkbox(-name => "mandatory$i",
240         -checked => $data->{'mandatory'}?'checked':'',
241         -value => 1,
242         -label => '',
243         -id => "mandatory$i");
244                 $row_data{hidden} = CGI::escapeHTML($data->{hidden}) ;
245                 $row_data{isurl} = CGI::checkbox( -name => "isurl$i",
246                         -id => "isurl$i",
247                         -checked => $data->{'isurl'}?'checked':'',
248                         -value => 1,
249                         -label => '');
250                 $row_data{row} = $i;
251                 push(@loop_data, \%row_data);
252                 $i++;
253         }
254         # add more_subfields empty lines for add if needed
255         for (my $i=1;$i<=$more_subfields;$i++) {
256                 my %row_data;  # get a fresh hash for the row data
257         $row_data{'new_subfield'} = 1;
258                 $row_data{tab} = CGI::scrolling_list(-name=>'tab',
259                                         -id => "tab$i",
260                                         -values =>
261                                         [ '-1', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '10' ],
262                                         -labels => {
263                                             '-1' => 'ignore',
264                                             '0'  => '0',
265                                             '1'  => '1',
266                                             '2'  => '2',
267                                             '3'  => '3',
268                                             '4'  => '4',
269                                             '5'  => '5',
270                                             '6'  => '6',
271                                             '7'  => '7',
272                                             '8'  => '8',
273                                             '9'  => '9',
274                                         },
275                                         -default=>"",
276                                         -size=>1,
277                                         -tabindex=>'',
278                                         -multiple=>0,
279                                         );
280                 $row_data{ohidden} = CGI::scrolling_list(-name=>'ohidden',
281                                         -id=>"ohidden$i",
282                                         #-values=>['0','1','2'],
283                                         #-labels => {'0'=>'Show','1'=>'Show Collapsed',
284                                         #                               '2' =>'Hide',
285                                         #                               },
286                                         -values=>['0','-5'],
287                                         -labels => {'0'=>'Show All','-5'=>'Hide All',},
288                                         #-default=>"0",
289                                         -default=>$data->{'hidden'},
290                                         #-default=>"-5",
291                                         -size=>1,
292                                         -multiple=>0,
293                                         );
294
295                 #$row_data{ihidden} = CGI::scrolling_list(-name=>'ihidden',
296                 #                       -id=>"ihidden$i",
297                 #                       -values=>['0','1','2'],
298                 #                       -labels => {'0'=>'Show','1'=>'Show Collapsed',
299                 #                                                       '2' =>'Hide',
300                 #                                                       },
301                 #                       -default=>"0",
302                 #                       -size=>1,
303                 #                       -multiple=>0,
304                 #                       );
305                 #$row_data{ehidden} = CGI::scrolling_list(-name=>'ehidden',
306                 #                       -id=>"ehidden$i",
307                 #                       -values=>['0','1','2'],
308                 #                       -labels => {'0'=>'Show','1'=>'Show Collapsed',
309                 #                                                       '2' =>'Hide',
310                 #                                                       },
311                 #                       -default=>"0",
312                 #                       -size=>1,
313                 #                       -multiple=>0,
314                 #                       );
315                 $row_data{tagsubfieldinput} = "<input type=\"text\" name=\"tagsubfield\" value=\"".$data->{'tagsubfield'}."\" size=\"1\" id=\"tagsubfield\" maxlength=\"1\" />";
316                 $row_data{tagsubfieldinput} = 
317                         "<label><input type=\"text\" name=\"tagsubfield\" value=\""
318                         . $data->{'tagsubfield'}
319                         . "\" size=\"1\" id=\"tagsubfield\" maxlength=\"1\" /></label>";
320                 $row_data{tagsubfield} = $data->{'tagsubfield'};
321                 $row_data{liblibrarian} = "";
322                 $row_data{libopac} = "";
323                 $row_data{seealso} = "";
324                 $row_data{hidden} = "000";
325                 $row_data{repeatable} = CGI::checkbox( -name=> 'repeatable',
326                                 -id => "repeatable$i",
327                                 -checked => '',
328                                 -value => 1,
329                                 -label => '');
330                 $row_data{mandatory} = CGI::checkbox( -name=> 'mandatory',
331                         -id => "mandatory$i",
332                         -checked => '',
333                         -value => 1,
334                         -label => '');
335                 $row_data{isurl} = CGI::checkbox(-name => 'isurl',
336                         -id => "isurl$i",
337                         -checked => '',
338                         -value => 1,
339                         -label => '');
340                 $row_data{kohafield}= CGI::scrolling_list( -name=>'kohafield',
341                                         -id => "kohafield$i",
342                                         -values=> \@kohafields,
343                                         -default=> "",
344                                         -size=>1,
345                                         -multiple=>0,
346                                         );
347                 $row_data{frameworkcode}  = CGI::scrolling_list(-name=>'frameworkcode',
348                                         -id=>'frameworkcode',
349                                         -values=> \@authtypes,
350                                         -default=>$data->{'frameworkcode'},
351                                         -size=>1,
352                                         -tabindex=>'',
353                                         -multiple=>0,
354                                         );
355                 $row_data{authorised_value}  = CGI::scrolling_list(-name=>'authorised_value',
356                                         -id => 'authorised_value',
357                                         -values=> \@authorised_values,
358                                         -size=>1,
359                                         -tabindex=>'',
360                                         -multiple=>0,
361                                         );
362                 $row_data{value_builder}  = CGI::scrolling_list(-name=>'value_builder',
363                                         -id=>'value_builder',
364                                         -values=> \@value_builder,
365                                         -default=>$data->{'value_builder'},
366                                         -size=>1,
367                                         -tabindex=>'',
368                                         -multiple=>0,
369                                         );
370                 $row_data{row} = $i;
371                 push(@loop_data, \%row_data);
372         }
373         $template->param('use_heading_flags_p' => 1);
374         $template->param('heading_edit_subfields_p' => 1);
375         $template->param(action => "Edit subfields",
376                                                         tagfield => $tagfield,
377                                                         tagfieldinput => "<input type=\"hidden\" name=\"tagfield\" value=\"$tagfield\" />",
378                                                         loop => \@loop_data,
379                                                         more_subfields => $more_subfields,
380                                                         more_tag => $tagfield);
381
382                                                                                                 # END $OP eq ADD_FORM
383 ################## ADD_VALIDATE ##################################
384 # called by add_form, used to insert/modify data in DB
385 } elsif ($op eq 'add_validate') {
386         $template->param(tagfield => "$input->param('tagfield')");
387 #       my $sth=$dbh->prepare("replace auth_subfield_structure (authtypecode,tagfield,tagsubfield,liblibrarian,libopac,repeatable,mandatory,kohafield,tab,seealso,authorised_value,frameworkcode,value_builder,hidden,isurl)
388 #                                                                       values (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)");
389         my $sth_insert = $dbh->prepare("insert into auth_subfield_structure (authtypecode,tagfield,tagsubfield,liblibrarian,libopac,repeatable,mandatory,kohafield,tab,seealso,authorised_value,frameworkcode,value_builder,hidden,isurl)
390                                                                         values (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)");
391         my $sth_update = $dbh->prepare("update auth_subfield_structure set authtypecode=?, tagfield=?, tagsubfield=?, liblibrarian=?, libopac=?, repeatable=?, mandatory=?, kohafield=?, tab=?, seealso=?, authorised_value=?, frameworkcode=?, value_builder=?, hidden=?, isurl=?
392                                                                         where authtypecode=? and tagfield=? and tagsubfield=?");
393         my @tagsubfield = $input->param('tagsubfield');
394         my @liblibrarian        = $input->param('liblibrarian');
395         my @libopac             = $input->param('libopac');
396         my @kohafield           = ''.$input->param('kohafield');
397         my @tab                         = $input->param('tab');
398         my @seealso             = $input->param('seealso');
399         my @hidden;
400         my @ohidden             = $input->param('ohidden');
401         #my @ihidden            = $input->param('ihidden');
402         #my @ehidden            = $input->param('ehidden');
403         my @authorised_values   = $input->param('authorised_value');
404         my $authtypecode        = $input->param('authtypecode');
405         my @frameworkcodes      = $input->param('frameworkcode');
406         my @value_builder       =$input->param('value_builder');
407         for (my $i=0; $i<= $#tagsubfield ; $i++) {
408                 my $tagfield                    =$input->param('tagfield');
409                 my $tagsubfield         =$tagsubfield[$i];
410                 $tagsubfield="@" unless $tagsubfield ne '';
411                 my $liblibrarian                =$liblibrarian[$i];
412                 my $libopac                     =$libopac[$i];
413                 my $repeatable          =$input->param("repeatable$i")?1:0;
414                 my $mandatory           =$input->param("mandatory$i")?1:0;
415                 my $kohafield           =$kohafield[$i];
416                 my $tab                         =$tab[$i];
417                 my $seealso                             =$seealso[$i];
418                 my $authorised_value            =$authorised_values[$i];
419                 my $frameworkcode               =$frameworkcodes[$i];
420                 my $value_builder=$value_builder[$i];
421                 #my $hidden = $ohidden[$i].$ihidden[$i].$ehidden[$i]; #collate from 3 hiddens;
422                 my $hidden = $ohidden[$i]; #collate from 3 hiddens;
423                 my $isurl = $input->param("isurl$i")?1:0;
424                 if ($liblibrarian) {
425                         unless (C4::Context->config('demo') eq 1) {
426                                 if (auth_subfield_structure_exists($authtypecode, $tagfield, $tagsubfield)) {
427                                         $sth_update->execute(
428                                                 $authtypecode,
429                                                 $tagfield,
430                                                 $tagsubfield,
431                                                 $liblibrarian,
432                                                 $libopac,
433                                                 $repeatable,
434                                                 $mandatory,
435                                                 $kohafield,
436                                                 $tab,
437                                                 $seealso,
438                                                 $authorised_value,
439                                                 $frameworkcode,
440                                                 $value_builder,
441                                                 $hidden,
442                                                 $isurl,
443                                                 (
444                                                         $authtypecode,
445                                                         $tagfield,
446                                                         $tagsubfield
447                                                 ),
448                                         );
449                                 } else {
450                                         $sth_insert->execute(
451                                                 $authtypecode,
452                                                 $tagfield,
453                                                 $tagsubfield,
454                                                 $liblibrarian,
455                                                 $libopac,
456                                                 $repeatable,
457                                                 $mandatory,
458                                                 $kohafield,
459                                                 $tab,
460                                                 $seealso,
461                                                 $authorised_value,
462                                                 $frameworkcode,
463                                                 $value_builder,
464                                                 $hidden,
465                                                 $isurl,
466                                         );
467                                 }
468                         }
469                 }
470         }
471         print "Content-Type: text/html\n\n<META HTTP-EQUIV=Refresh CONTENT=\"0; URL=auth_subfields_structure.pl?tagfield=$tagfield&authtypecode=$authtypecode\"></html>";
472         exit;
473
474                                                                                                         # END $OP eq ADD_VALIDATE
475 ################## DELETE_CONFIRM ##################################
476 # called by default form, used to confirm deletion of data in DB
477 } elsif ($op eq 'delete_confirm') {
478         my $sth=$dbh->prepare("select * from auth_subfield_structure where tagfield=? and tagsubfield=? and authtypecode=?");
479         $sth->execute($tagfield,$tagsubfield,$authtypecode);
480         my $data=$sth->fetchrow_hashref;
481         $template->param(liblibrarian => $data->{'liblibrarian'},
482                                                         tagsubfield => $data->{'tagsubfield'},
483                                                         delete_link => $script_name,
484                                                         tagfield      =>$tagfield,
485                                                         tagsubfield => $tagsubfield,
486                                                         authtypecode => $authtypecode,
487                                                         );
488                                                                                                         # END $OP eq DELETE_CONFIRM
489 ################## DELETE_CONFIRMED ##################################
490 # called by delete_confirm, used to effectively confirm deletion of data in DB
491 } elsif ($op eq 'delete_confirmed') {
492         unless (C4::Context->config('demo') eq 1) {
493                 my $sth=$dbh->prepare("delete from auth_subfield_structure where tagfield=? and tagsubfield=? and authtypecode=?");
494                 $sth->execute($tagfield,$tagsubfield,$authtypecode);
495         }
496         print "Content-Type: text/html\n\n<META HTTP-EQUIV=Refresh CONTENT=\"0; URL=auth_subfields_structure.pl?tagfield=$tagfield&authtypecode=$authtypecode\"></html>";
497         exit;
498         $template->param(tagfield => $tagfield);
499                                                                                                         # END $OP eq DELETE_CONFIRMED
500 ################## DEFAULT ##################################
501 } else { # DEFAULT
502         my ($count,$results)=string_search($tagfield,$authtypecode);
503         my @loop_data = ();
504         for (my $i=$offset; $i < ($offset+$pagesize<$count?$offset+$pagesize:$count); $i++){
505                 my %row_data;  # get a fresh hash for the row data
506                 $row_data{tagfield} = $results->[$i]{'tagfield'};
507                 $row_data{tagsubfield} = $results->[$i]{'tagsubfield'};
508                 $row_data{liblibrarian} = $results->[$i]{'liblibrarian'};
509                 $row_data{kohafield} = $results->[$i]{'kohafield'};
510                 $row_data{repeatable} = $results->[$i]{'repeatable'};
511                 $row_data{mandatory} = $results->[$i]{'mandatory'};
512                 $row_data{tab} = $results->[$i]{'tab'};
513                 $row_data{seealso} = $results->[$i]{'seealso'};
514                 $row_data{authorised_value} = $results->[$i]{'authorised_value'};
515                 $row_data{authtypecode} = $results->[$i]{'authtypecode'};
516                 $row_data{value_builder}        = $results->[$i]{'value_builder'};
517                 $row_data{hidden}       = $results->[$i]{'hidden'} if($results->[$i]{'hidden'} gt "000") ;
518                 $row_data{isurl}        = $results->[$i]{'isurl'};
519                 $row_data{delete} = "$script_name?op=delete_confirm&amp;tagfield=$tagfield&amp;tagsubfield=".$results->[$i]{'tagsubfield'}."&amp;authtypecode=$authtypecode";
520                 if ($row_data{tab} eq -1) {
521                         $row_data{subfield_ignored} = 1;
522                 }
523
524                 push(@loop_data, \%row_data);
525         }
526         $template->param(loop => \@loop_data);
527         $template->param(edit_tagfield => $tagfield,
528                 edit_authtypecode => $authtypecode);
529         
530         if ($offset>0) {
531                 my $prevpage = $offset-$pagesize;
532                 $template->param(prev =>"<a href=\"$script_name?offset=$prevpage\">");
533         }
534         if ($offset+$pagesize<$count) {
535                 my $nextpage =$offset+$pagesize;
536                 $template->param(next => "<a href=\"$script_name?offset=$nextpage\">");
537         }
538 } #---- END $OP eq DEFAULT
539 output_html_with_http_headers $input, $cookie, $template->output;