diff --git a/C4/Calendar.pm b/C4/Calendar.pm
new file mode 100644
index 0000000000..73fe549c0c
--- /dev/null
+++ b/C4/Calendar.pm
@@ -0,0 +1,562 @@
+package C4::Calendar;
+
+# This file is part of Koha.
+#
+# Koha is free software; you can redistribute it and/or modify it under the
+# terms of the GNU General Public License as published by the Free Software
+# Foundation; either version 2 of the License, or (at your option) any later
+# version.
+#
+# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+# A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along with
+# Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
+# Suite 330, Boston, MA  02111-1307 USA
+
+use strict;
+require Exporter;
+use vars qw($VERSION @EXPORT);
+
+use C4::Database;
+use Date::Manip;
+# use Date::Calc;
+
+# set the version for version checking
+$VERSION = 0.01;
+
+=head1 NAME
+
+C4::Calendar::Calendar - Koha module dealing with holidays.
+
+=head1 SYNOPSIS
+
+	use C4::Calendar::Calendar;
+
+=head1 DESCRIPTION
+
+This package is used to deal with holidays. Through this package, you can set all kind of holidays for the library.
+
+=head1 FUNCTIONS
+
+=over 2
+
+=cut
+
+@EXPORT = qw(&new 
+             &change_branchcode 
+			 &get_week_days_holidays 
+			 &get_day_month_holidays 
+             &get_exception_holidays 
+			 &get_single_holidays 
+			 &insert_week_day_holiday 
+			 &insert_day_month_holiday 
+			 &insert_single_holiday 
+			 &insert_exception_holiday
+			 &delete_holiday 
+			 &isHoliday 
+			 &addDate
+			 &daysBetween);
+
+=item new
+
+	$calendar = C4::Calendar::Calendar->new(branchcode => $branchcode);
+
+C<$branchcode> Is the branch code wich you want to use calendar.
+
+=cut
+
+sub new {
+	my $classname = shift @_;
+	my %options = @_;
+
+	my %hash;
+	my $self = bless(\%hash, $classname);
+
+	foreach my $optionName (keys %options) {
+		$self->{lc($optionName)} = $options{$optionName};
+	}
+
+	$self->_init;
+
+	return $self;
+}
+
+sub _init {
+	my $self = shift @_;
+
+	my $dbh = C4::Context->dbh();
+	my $week_days_sql = $dbh->prepare("select weekday, title, description from repeatable_holidays where ('$self->{branchcode}' = branchcode) and (NOT(ISNULL(weekday)))");
+	$week_days_sql->execute;
+	my %week_days_holidays;
+	while (my ($weekday, $title, $description) = $week_days_sql->fetchrow) {
+		$week_days_holidays{$weekday}{title} = $title;
+		$week_days_holidays{$weekday}{description} = $description;
+	}
+	$week_days_sql->finish;
+	$self->{'week_days_holidays'} = \%week_days_holidays;
+
+	my $day_month_sql = $dbh->prepare("select day, month, title, description from repeatable_holidays where ('$self->{branchcode}' = branchcode) and ISNULL(weekday)");
+	$day_month_sql->execute;
+	my %day_month_holidays;
+	while (my ($day, $month, $title, $description) = $day_month_sql->fetchrow) {
+		$day_month_holidays{"$month/$day"}{title} = $title;
+		$day_month_holidays{"$month/$day"}{description} = $description;
+	}
+	$day_month_sql->finish;
+	$self->{'day_month_holidays'} = \%day_month_holidays;
+
+	my $exception_holidays_sql = $dbh->prepare("select day, month, year, title, description from special_holidays where ('$self->{branchcode}' = branchcode) and (isexception = 1)");
+	$exception_holidays_sql->execute;
+	my %exception_holidays;
+	while (my ($day, $month, $year, $title, $description) = $exception_holidays_sql->fetchrow) {
+		$exception_holidays{"$year/$month/$day"}{title} = $title;
+		$exception_holidays{"$year/$month/$day"}{description} = $description;
+	}
+	$exception_holidays_sql->finish;
+	$self->{'exception_holidays'} = \%exception_holidays;
+
+	my $holidays_sql = $dbh->prepare("select day, month, year, title, description from special_holidays where ('$self->{branchcode}' = branchcode) and (isexception = 0)");
+	$holidays_sql->execute;
+	my %single_holidays;
+	while (my ($day, $month, $year, $title, $description) = $holidays_sql->fetchrow) {
+		$single_holidays{"$year/$month/$day"}{title} = $title;
+		$single_holidays{"$year/$month/$day"}{description} = $description;
+	}
+	$holidays_sql->finish;
+	$self->{'single_holidays'} = \%single_holidays;
+}
+
+=item change_branchcode
+
+	$calendar->change_branchcode(branchcode => $branchcode)
+
+Change the calendar branch code. This means to change the holidays structure.
+
+C<$branchcode> Is the branch code wich you want to use calendar.
+
+=cut
+
+sub change_branchcode {
+	my ($self, $branchcode) = @_;
+	my %options = @_;
+
+	foreach my $optionName (keys %options) {
+		$self->{lc($optionName)} = $options{$optionName};
+	}
+	$self->_init;
+
+	return $self;
+}
+
+=item get_week_days_holidays
+
+	$week_days_holidays = $calendar->get_week_days_holidays();
+
+Returns a hash reference to week days holidays.
+
+=cut
+
+sub get_week_days_holidays {
+	my $self = shift @_;
+	my $week_days_holidays = $self->{'week_days_holidays'};
+	return $week_days_holidays;
+}
+
+=item get_day_month_holidays
+	
+	$day_month_holidays = $calendar->get_day_month_holidays();
+
+Returns a hash reference to day month holidays.
+
+=cut
+
+sub get_day_month_holidays {
+	my $self = shift @_;
+	my $day_month_holidays = $self->{'day_month_holidays'};
+	return $day_month_holidays;
+}
+
+=item get_exception_holidays
+	
+	$exception_holidays = $calendar->exception_holidays();
+
+Returns a hash reference to exception holidays. This kind of days are those
+which stands for a holiday, but you wanted to make an exception for this particular
+date.
+
+=cut
+
+sub get_exception_holidays {
+	my $self = shift @_;
+	my $exception_holidays = $self->{'exception_holidays'};
+	return $exception_holidays;
+}
+
+=item get_single_holidays
+	
+	$single_holidays = $calendar->get_single_holidays();
+
+Returns a hash reference to single holidays. This kind of holidays are those which
+happend just one time.
+
+=cut
+
+sub get_single_holidays {
+	my $self = shift @_;
+	my $single_holidays = $self->{'single_holidays'};
+	return $single_holidays;
+}
+
+=item insert_week_day_holiday
+
+	insert_week_day_holiday(weekday => $weekday,
+							title => $title,
+							description => $description);
+
+Inserts a new week day for $self->{branchcode}.
+
+C<$day> Is the week day to make holiday.
+
+C<$title> Is the title to store for the holiday formed by $year/$month/$day.
+
+C<$description> Is the description to store for the holiday formed by $year/$month/$day.
+
+=cut
+
+sub insert_week_day_holiday {
+	my $self = shift @_;
+	my %options = @_;
+
+	my $dbh = C4::Context->dbh();
+	my $insertHoliday = $dbh->prepare("insert into repeatable_holidays (id,branchcode,weekday,day,month,title,description) values ('', '$self->{branchcode}', $options{weekday}, NULL, NULL, '$options{title}', '$options{description}')");
+	$insertHoliday->execute;
+	$insertHoliday->finish;
+
+	$self->{'week_days_holidays'}->{$options{weekday}}{title} = $options{title};
+	$self->{'week_days_holidays'}->{$options{weekday}}{description} = $options{description};
+	return $self;
+}
+
+=item insert_day_month_holiday
+
+	insert_day_month_holiday(day => $day,
+	                         month => $month,
+							 title => $title,
+							 description => $description);
+
+Inserts a new day month holiday for $self->{branchcode}.
+
+C<$day> Is the day month to make the date to insert.
+
+C<$month> Is month to make the date to insert.
+
+C<$title> Is the title to store for the holiday formed by $year/$month/$day.
+
+C<$description> Is the description to store for the holiday formed by $year/$month/$day.
+
+=cut
+
+sub insert_day_month_holiday {
+	my $self = shift @_;
+	my %options = @_;
+
+	my $dbh = C4::Context->dbh();
+	my $insertHoliday = $dbh->prepare("insert into repeatable_holidays (id,branchcode,weekday,day,month,title,description) values ('', '$self->{branchcode}', NULL, $options{day}, $options{month}, '$options{title}', '$options{description}')");
+	$insertHoliday->execute;
+	$insertHoliday->finish;
+
+	$self->{'day_month_holidays'}->{"$options{month}/$options{day}"}{title} = $options{title};
+	$self->{'day_month_holidays'}->{"$options{month}/$options{day}"}{description} = $options{description};
+	return $self;
+}
+
+=item insert_single_holiday
+
+	insert_single_holiday(day => $day,
+	                      month => $month,
+						  year => $year,
+						  title => $title,
+						  description => $description);
+
+Inserts a new single holiday for $self->{branchcode}.
+
+C<$day> Is the day month to make the date to insert.
+
+C<$month> Is month to make the date to insert.
+
+C<$year> Is year to make the date to insert.
+
+C<$title> Is the title to store for the holiday formed by $year/$month/$day.
+
+C<$description> Is the description to store for the holiday formed by $year/$month/$day.
+
+=cut
+
+sub insert_single_holiday {
+	my $self = shift @_;
+	my %options = @_;
+
+	my $dbh = C4::Context->dbh();
+	my $isexception = 0;
+	my $insertHoliday = $dbh->prepare("insert into special_holidays (id,branchcode,day,month,year,isexception,title,description) values ('', '$self->{branchcode}', $options{day}, $options{month}, $options{year}, $isexception, '$options{title}', '$options{description}')");
+	$insertHoliday->execute;
+	$insertHoliday->finish;
+
+	$self->{'single_holidays'}->{"$options{year}/$options{month}/$options{day}"}{title} = $options{title};
+	$self->{'single_holidays'}->{"$options{year}/$options{month}/$options{day}"}{description} = $options{description};
+	return $self;
+}
+
+=item insert_exception_holiday
+
+	insert_exception_holiday(day => $day,
+	                         month => $month,
+						     year => $year,
+						     title => $title,
+						     description => $description);
+
+Inserts a new exception holiday for $self->{branchcode}.
+
+C<$day> Is the day month to make the date to insert.
+
+C<$month> Is month to make the date to insert.
+
+C<$year> Is year to make the date to insert.
+
+C<$title> Is the title to store for the holiday formed by $year/$month/$day.
+
+C<$description> Is the description to store for the holiday formed by $year/$month/$day.
+
+=cut
+
+sub insert_exception_holiday {
+	my $self = shift @_;
+	my %options = @_;
+
+	my $dbh = C4::Context->dbh();
+	my $isexception = 1;
+	my $insertException = $dbh->prepare("insert into special_holidays (id,branchcode,day,month,year,isexception,title,description) values ('', '$self->{branchcode}', $options{day}, $options{month}, $options{year}, $isexception, '$options{title}', '$options{description}')");
+	$insertException->execute;
+	$insertException->finish;
+
+	$self->{'exceptions_holidays'}->{"$options{year}/$options{month}/$options{day}"}{title} = $options{title};
+	$self->{'exceptions_holidays'}->{"$options{year}/$options{month}/$options{day}"}{description} = $options{description};
+	return $self;
+}
+
+=item delete_holiday
+
+	delete_holiday(weekday => $weekday
+	               day => $day,
+	               month => $month,
+				   year => $year);
+
+Delete a holiday for $self->{branchcode}.
+
+C<$weekday> Is the week day to delete.
+
+C<$day> Is the day month to make the date to delete.
+
+C<$month> Is month to make the date to delete.
+
+C<$year> Is year to make the date to delete.
+
+=cut
+
+sub delete_holiday {
+	my $self = shift @_;
+	my %options = @_;
+
+	# Verify what kind of holiday that day is. For example, if it is
+	# a repeatable holiday, this should check if there are some exception
+	# for that holiday rule. Otherwise, if it is a regular holiday, itīs 
+	# ok just deleting it.
+
+	my $dbh = C4::Context->dbh();
+	my $isSingleHoliday = $dbh->prepare("select id from special_holidays where (branchcode = '$self->{branchcode}') and (day = $options{day}) and (month = $options{month}) and (year = $options{year})");
+	$isSingleHoliday->execute;
+	if ($isSingleHoliday->rows) {
+		my $id = $isSingleHoliday->fetchrow;
+		$isSingleHoliday->finish; # Close the last query
+
+		my $deleteHoliday = $dbh->prepare("delete from special_holidays where (id = $id)");
+		$deleteHoliday->execute;
+		$deleteHoliday->finish; # Close the last query
+		delete($self->{'single_holidays'}->{"$options{year}/$options{month}/$options{day}"});
+	} else {	
+		$isSingleHoliday->finish; # Close the last query
+
+		my $isWeekdayHoliday = $dbh->prepare("select id from repeatable_holidays where (branchcode = '$self->{branchcode}') and (weekday = $options{weekday})");
+		$isWeekdayHoliday->execute;
+		if ($isWeekdayHoliday->rows) {
+			my $id = $isWeekdayHoliday->fetchrow;
+			$isWeekdayHoliday->finish; # Close the last query
+
+			my $updateExceptions = $dbh->prepare("update special_holidays set isexception = 0 where (WEEKDAY(CONCAT(special_holidays.year,'-',special_holidays.month,'-',special_holidays.day)) = $options{weekday}) and (branchcode = '$self->{branchcode}')");
+			$updateExceptions->execute;
+			$updateExceptions->finish; # Close the last query
+
+			my $deleteHoliday = $dbh->prepare("delete from repeatable_holidays where (id = $id)");
+			$deleteHoliday->execute;
+			$deleteHoliday->finish;
+			delete($self->{'week_days_holidays'}->{$options{weekday}});
+		} else {
+			$isWeekdayHoliday->finish; # Close the last query
+
+			my $isDayMonthHoliday = $dbh->prepare("select id from repeatable_holidays where (branchcode = '$self->{branchcode}') (day = $options{day}) and (month = $options{month})");
+			$isDayMonthHoliday->execute;
+			if ($isDayMonthHoliday->rows) {
+				my $id = $isDayMonthHoliday->fetchrow;
+				$isDayMonthHoliday->finish;
+				my $updateExceptions = $dbh->prepare("update special_holidays set isexception = 0 where (special_holidays.branchcode = '$self->{branchcode}') and (special_holidays.day = $options{day}) and (special_holidays.month = $options{month})");
+				$updateExceptions->execute;
+				$updateExceptions->finish; # Close the last query
+
+				my $deleteHoliday = $dbh->prepare("delete from repeatable_holidays where (id = $id)");
+				$deleteHoliday->execute;
+				$deleteHoliday->finish; # Close the last query
+				$isDayMonthHoliday->finish; # Close the last query
+				delete($self->{'day_month_holidays'}->{"$options{month}/$options{day}"});
+			}
+		}
+	}	
+	return $self;
+}
+
+=item isHoliday
+	
+	$isHoliday = isHoliday($day, $month $year);
+
+
+C<$day> Is the day to check wether if is a holiday or not.
+
+C<$month> Is the month to check wether if is a holiday or not.
+
+C<$year> Is the year to check wether if is a holiday or not.
+
+=cut
+
+sub isHoliday {
+	my ($self, $day, $month, $year) = @_;
+
+	my $weekday = Date_DayOfWeek($month, $day, $year) % 7;
+	
+	my $weekDays = $self->get_week_days_holidays();
+	my $dayMonths = $self->get_day_month_holidays();
+	my $exceptions = $self->get_exception_holidays();
+	my $singles = $self->get_single_holidays();
+
+	if (defined($exceptions->{"$year/$month/$day"})) {
+		return 0;
+	} else {		
+		if ((exists($weekDays->{$weekday})) || 
+			(exists($dayMonths->{"$month/$day"})) || 
+			(exists($singles->{"$year/$month/$day"}))) {			
+			return 1;
+		} else {
+			return 0;
+		}
+	}
+
+}
+
+=item addDate
+
+	my ($day, $month, $year) = $calendar->addDate($day, $month, $year, $offset)
+
+C<$day> Is the starting day of the interval.
+
+C<$month> Is the starting month of the interval.
+
+C<$year> Is the starting year of the interval.
+
+C<$offset> Is the number of days that this function has to count from $date.
+
+=cut
+
+sub addDate {
+	my ($self, $day, $month, $year, $offset) = @_;
+	 
+	if ($offset < 0) { # In case $offset is negative
+		$offset = $offset*(-1);
+	}
+
+	my $daysMode = C4::Context->preference('useDaysMode');
+	if ($daysMode eq 'normal') {
+		($year, $month, $day) = &Date::Calc::Add_Delta_Days($year, $month, $day, ($offset - 1));
+	} else {
+		while ($offset > 0) {								
+			if (!($self->isHoliday($day, $month, $year))) {
+				$offset = $offset - 1;					
+			}				
+			if ($offset > 0) {
+				($year, $month, $day) = &Date::Calc::Add_Delta_Days($year, $month, $day, 1);
+			}				
+		}
+	}
+
+	return($day, $month, $year);	
+}
+
+=item daysBetween
+
+	my $daysBetween = $calendar->daysBetween($dayFrom, $monthFrom, $yearFrom,
+	                                         $dayTo, $monthTo, $yearTo)
+
+C<$dayFrom> Is the starting day of the interval.
+
+C<$monthFrom> Is the starting month of the interval.
+
+C<$yearFrom> Is the starting year of the interval.
+
+C<$dayTo> Is the ending day of the interval.
+
+C<$monthTo> Is the ending month of the interval.
+
+C<$yearTo> Is the ending year of the interval.
+
+=cut
+
+sub daysBetween {
+	my ($self, $dayFrom, $monthFrom, $yearFrom, $dayTo, $monthTo, $yearTo) = @_;
+	 
+	my $daysMode = C4::Context->preference('useDaysMode');
+	my $count = 1;
+	my $continue = 1;
+	if ($daysMode eq 'normal') {
+		while ($continue) {
+			if (($yearFrom != $yearTo) || ($monthFrom != $monthTo) || ($dayFrom != $dayTo)) {
+				($yearFrom, $monthFrom, $dayFrom) = &Date::Calc::Add_Delta_Days($yearFrom, $monthFrom, $dayFrom, 1);
+				$count++;
+			} else {
+				$continue = 0;	
+			}
+		}		
+	} else {
+		while ($continue) {
+			if (($yearFrom != $yearTo) || ($monthFrom != $monthTo) || ($dayFrom != $dayTo)) {
+				if (!($self->isHoliday($dayFrom, $monthFrom, $yearFrom))) {
+					$count++;
+				}	
+				($yearFrom, $monthFrom, $dayFrom) = &Date::Calc::Add_Delta_Days($yearFrom, $monthFrom, $dayFrom, 1);				
+			} else {
+				$continue = 0;	
+			}
+		}		
+	}
+	return($count);	
+}
+
+1;
+
+__END__
+
+=back
+
+=head1 AUTHOR
+
+Koha Physics Library UNLP <matias_veleda@hotmail.com>
+
+=cut
\ No newline at end of file
diff --git a/C4/NewsChannels.pm b/C4/NewsChannels.pm
new file mode 100644
index 0000000000..ab78c18f5d
--- /dev/null
+++ b/C4/NewsChannels.pm
@@ -0,0 +1,387 @@
+package C4::NewsChannels;
+
+# Copyright 2000-2002 Katipo Communications
+#
+# This file is part of Koha.
+#
+# Koha is free software; you can redistribute it and/or modify it under the
+# terms of the GNU General Public License as published by the Free Software
+# Foundation; either version 2 of the License, or (at your option) any later
+# version.
+#
+# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+# A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along with
+# Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
+# Suite 330, Boston, MA  02111-1307 USA
+
+use strict;
+
+use C4::Context;
+use C4::Date;
+
+use vars qw($VERSION @ISA @EXPORT);
+
+# set the version for version checking
+$VERSION = 0.01;
+
+=head1 NAME
+
+C4::NewsChannels - Functions to manage the news channels and its categories
+
+=head1 DESCRIPTION
+
+This module provides the functions needed to admin the news channels and its categories
+
+=head1 FUNCTIONS
+
+=over 2
+
+=cut
+
+
+@ISA = qw(Exporter);
+@EXPORT = qw(
+  &news_channels &get_new_channel &del_channels &add_channel &update_channel
+  &news_channels_categories &get_new_channel_category &del_channels_categories
+  &add_channel_category &update_channel_category &news_channels_by_category
+&add_opac_new &upd_opac_new &del_opac_new &get_opac_new &get_opac_news
+  &add_opac_electronic &upd_opac_electronic &del_opac_electronic &get_opac_electronic &get_opac_electronics
+);
+
+
+=item news_channels
+
+  ($count, @channels) = &news_channels($channel_name, $id_category, $unclassified);
+
+Looks up news channels by name or category.
+
+C<$channel_name> is the channel name to search.
+
+C<$id_category> is the channel category code to search.
+
+C<$$unclassified> if it is set and $channel_name and $id_category search for the news channels without a category
+
+if none of the params are set C<&news_channels> returns all the news channels.
+
+C<&news_channels> returns two values: an integer giving the number of
+news channels found and a reference to an array
+of references to hash, which has the news_channels and news_channels_categories fields.
+
+=cut
+
+sub news_channels {
+	my ($channel_name, $id_category, $unclassified) = @_;
+	my $dbh = C4::Context->dbh;
+	my @channels;
+	my $query = "SELECT * FROM news_channels LEFT JOIN news_channels_categories ON news_channels.id_category = news_channels_categories.id_category";
+	if ( ($channel_name ne '') && ($id_category ne '') ) {
+		$query.= " WHERE channel_name like '" . $channel_name . "%' AND news_channels.id_category = " . $id_category;
+	} elsif ($channel_name ne '')  {
+		$query.= " WHERE channel_name like '" . $channel_name . "%'";
+	} elsif ($id_category ne '') {
+		$query.= " WHERE news_channels.id_category = " . $id_category;
+	} elsif ($unclassified) {
+		$query.= " WHERE news_channels.id_category IS NULL ";
+	}
+	my $sth = $dbh->prepare($query);
+	$sth->execute();
+	while (my $row = $sth->fetchrow_hashref) {
+		push @channels, $row;
+	}
+	$sth->finish;
+	return (scalar(@channels), @channels);
+}
+
+=item news_channels_by_category
+
+  ($count, @results) = &news_channels_by_category();
+
+Looks up news channels grouped by category.
+
+C<&news_channels_by_category> returns two values: an integer giving the number of
+categories found and a reference to an array
+of references to hash, which the following keys: 
+
+=over 4
+
+=item C<channels_count>
+
+The number of news channels in that category
+
+=item C<channels>
+
+A reference to an array of references to hash which keys are the new_channels fields. 
+
+Additionally the last index of results has a reference to all the news channels which don't have a category 
+
+=cut
+
+sub news_channels_by_category {
+	
+	my ($categories_count, @results) = &news_channels_categories();
+	foreach my $row (@results) {
+
+		my ($channels_count, @channels) = &news_channels('', $row->{'id_category'});
+		$row->{'channels_count'} = $channels_count;
+		$row->{'channels'} = \@channels;
+	}
+
+	my ($channels_count, @channels) = &news_channels('', '', 1);
+	my %row;
+	$row{'id_category'} = -1;
+	$row{'unclassified'} = 1;
+	$row{'channels_count'} = $channels_count;
+	$row{'channels'} = \@channels;
+	push @results, \%row;
+
+	return (scalar(@results), @results);
+}
+
+sub get_new_channel {
+	my ($id) = @_;
+	my $dbh = C4::Context->dbh;
+	my $sth = $dbh->prepare("SELECT * FROM news_channels WHERE id = ?");
+	$sth->execute($id);
+	my $channel = $sth->fetchrow_hashref;
+	$sth->finish;
+	return $channel;
+}
+
+sub del_channels {
+	my ($ids) = @_;
+	if ($ids ne '') {
+		my $dbh = C4::Context->dbh;
+		my $sth = $dbh->prepare("DELETE FROM news_channels WHERE id IN ($ids) ");
+		$sth->execute();
+		$sth->finish;
+		return $ids;
+	}
+	return 0;
+}
+
+sub add_channel {
+	my ($name, $url, $id_category, $notes) = @_;
+	my $dbh = C4::Context->dbh;
+	my $sth = $dbh->prepare("INSERT INTO news_channels (channel_name, url, id_category, notes) VALUES (?,?,?,?)");
+	$sth->execute($name, $url, $id_category, $notes);
+	$sth->finish;
+	return 1;
+}
+
+sub update_channel {
+	my ($id, $name, $url, $id_category, $notes) = @_;
+	my $dbh = C4::Context->dbh;
+	my $sth = $dbh->prepare("UPDATE news_channels SET channel_name = ?,  url = ?, id_category = ?, notes = ? WHERE id = ?");
+	$sth->execute($name, $url, $id_category, $notes, $id);
+	$sth->finish;
+	return 1;
+}
+
+sub news_channels_categories {
+	my $dbh = C4::Context->dbh;
+	my @categories;
+	my $query = "SELECT * FROM news_channels_categories";
+	my $sth = $dbh->prepare($query);
+	$sth->execute();
+	while (my $row = $sth->fetchrow_hashref) {
+		push @categories, $row;
+	}
+	$sth->finish;
+	return (scalar(@categories), @categories);
+
+}
+
+sub get_new_channel_category {
+	my ($id) = @_;
+	my $dbh = C4::Context->dbh;
+	my $sth = $dbh->prepare("SELECT * FROM news_channels_categories WHERE id_category = ?");
+	$sth->execute($id);
+	my $category = $sth->fetchrow_hashref;
+	$sth->finish;
+	return $category;
+}
+
+sub del_channels_categories {
+	my ($ids) = @_;
+	if ($ids ne '') {
+		my $dbh = C4::Context->dbh;
+		my $sth = $dbh->prepare("UPDATE news_channels SET id_category = NULL WHERE id_category IN ($ids) "); 
+		$sth->execute();
+		$sth = $dbh->prepare("DELETE FROM news_channels_categories WHERE id_category IN ($ids) ");
+		$sth->execute();
+		$sth->finish;
+		return $ids;
+	}
+	return 0;
+}
+
+sub add_channel_category {
+	my ($name) = @_;
+	my $dbh = C4::Context->dbh;
+	my $sth = $dbh->prepare("INSERT INTO news_channels_categories (category_name) VALUES (?)");
+	$sth->execute($name);
+	$sth->finish;
+	return 1;
+}
+
+sub update_channel_category {
+	my ($id, $name) = @_;
+	my $dbh = C4::Context->dbh;
+	my $sth = $dbh->prepare("UPDATE news_channels_categories SET category_name = ? WHERE id_category = ?");
+	$sth->execute($name, $id);
+	$sth->finish;
+	return 1;
+}
+
+
+sub add_opac_new {
+	my ($title, $new, $lang) = @_;
+	my $dbh = C4::Context->dbh;
+	my $sth = $dbh->prepare("INSERT INTO opac_news (title, new, lang) VALUES (?,?,?)");
+	$sth->execute($title, $new, $lang);
+	$sth->finish;
+	return 1;
+}
+
+sub upd_opac_new {
+	my ($idnew, $title, $new, $lang) = @_;
+	my $dbh = C4::Context->dbh;
+	my $sth = $dbh->prepare("UPDATE opac_news SET title = ?, new = ?, lang = ? WHERE idnew = ?");
+	$sth->execute($title, $new, $lang, $idnew);
+	$sth->finish;
+	return 1;
+}
+
+sub del_opac_new {
+	my ($ids) = @_;
+	if ($ids) {
+		my $dbh = C4::Context->dbh;
+		my $sth = $dbh->prepare("DELETE FROM opac_news WHERE idnew IN ($ids)");
+		$sth->execute();
+		$sth->finish;
+		return 1;
+	} else {
+		return 0;
+	}
+}
+
+sub get_opac_new {
+	my ($idnew) = @_;
+	my $dbh = C4::Context->dbh;
+	my $sth = $dbh->prepare("SELECT * FROM opac_news WHERE idnew = ?");
+	$sth->execute($idnew);
+	my $data = $sth->fetchrow_hashref;
+	$data->{$data->{'lang'}} = 1;
+	$sth->finish;
+	return $data;
+}
+
+sub get_opac_news {
+	my ($limit, $lang) = @_;
+	my $dbh = C4::Context->dbh;
+	my $query = "SELECT *, DATE_FORMAT(timestamp, '%d/%m/%Y') AS newdate FROM opac_news";
+	if ($lang) {
+		$query.= " WHERE lang = '" .$lang ."' ";
+	}
+	$query.= " ORDER BY timestamp DESC ";
+	#if ($limit) {
+	#	$query.= "LIMIT 0, " . $limit;
+	#}
+	my $sth = $dbh->prepare($query);
+	$sth->execute();
+	my @opac_news;
+	my $count = 0;
+	while (my $row = $sth->fetchrow_hashref) {
+		if ((($limit) && ($count < $limit)) || (!$limit)) {
+			$row->{'newdate'} = format_date($row->{'newdate'});
+			push @opac_news, $row;	
+		}
+		$count++;
+	}
+	return ($count, \@opac_news);
+}
+
+### get electronic databases
+
+sub add_opac_electronic {
+	my ($title, $edata, $lang,$image,$href,$section) = @_;
+	my $dbh = C4::Context->dbh;
+	my $sth = $dbh->prepare("INSERT INTO opac_electronic (title, edata, lang,image,href,section) VALUES (?,?,?,?,?,?)");
+	$sth->execute($title, $edata, $lang,$image,$href,$section);
+	$sth->finish;
+	return 1;
+}
+
+sub upd_opac_electronic {
+	my ($idelectronic, $title, $edata, $lang, $image, $href,$section) = @_;
+	my $dbh = C4::Context->dbh;
+	my $sth = $dbh->prepare("UPDATE opac_electronic SET title = ?, edata = ?, lang = ? , image=?, href=? ,section=? WHERE idelectronic = ?");
+	$sth->execute($title, $edata, $lang, $image,$href ,$section, $idelectronic);
+	$sth->finish;
+	return 1;
+}
+
+sub del_opac_electronic {
+	my ($ids) = @_;
+	if ($ids) {
+		my $dbh = C4::Context->dbh;
+		my $sth = $dbh->prepare("DELETE FROM opac_electronic WHERE idelectronic IN ($ids)");
+		$sth->execute();
+		$sth->finish;
+		return 1;
+	} else {
+		return 0;
+	}
+}
+
+sub get_opac_electronic {
+	my ($idelectronic) = @_;
+	my $dbh = C4::Context->dbh;
+	my $sth = $dbh->prepare("SELECT * FROM opac_electronic WHERE idelectronic = ?");
+	$sth->execute($idelectronic);
+	my $data = $sth->fetchrow_hashref;
+	$data->{$data->{'lang'}} = 1;
+	$data->{$data->{'section'}} = 1;
+	$sth->finish;
+	return $data;
+}
+
+sub get_opac_electronics {
+	my ($section, $lang) = @_;
+	my $dbh = C4::Context->dbh;
+	my $query = "SELECT *, DATE_FORMAT(timestamp, '%d/%m/%Y') AS newdate FROM opac_electronic";
+	if ($lang) {
+		$query.= " WHERE lang = '" .$lang ."' ";
+	}
+	if ($section) {
+		$query.= " and section= '" . $section."' ";
+	}
+	$query.= " ORDER BY title ";
+	
+	my $sth = $dbh->prepare($query);
+	$sth->execute();
+	my @opac_electronic;
+	my $count = 0;
+	while (my $row = $sth->fetchrow_hashref) {
+			push @opac_electronic, $row;	
+
+		
+		$count++;
+	}
+
+	return ($count,\@opac_electronic);
+}
+END { }    # module clean-up code here (global destructor)
+
+=back
+
+=head1 AUTHOR
+
+TG
+
+=cut
+
+