# along with Koha; if not, see <http://www.gnu.org/licenses>.
use Modern::Perl;
-
-use C4::Templates;
use CGI qw ( -utf8 );
+use C4::Templates;
+use Koha::Util::Navigation;
-my $query = new CGI;
+my $query = new CGI;
my $language = $query->param('language');
-my $url = $query->referer();
-
-$url =~ s|(.)language=[\w-]*&?|$1|;
-$url =~ s|(&\|\?)$||; # Remove extraneous ? or &
+my $url = Koha::Util::Navigation::local_referer($query, {remove_language => 1, staff => 1});
C4::Templates::setlanguagecookie( $query, $language, $url );