@@ -, +, @@ 
   http://localhost:8081/cgi-bin/koha/catalogue/itemsearch.pl
   from Centerville.
   from Centervile.
---
 catalogue/itemsearch.pl                                   | 8 +++++++-
 .../intranet-tmpl/prog/en/modules/catalogue/itemsearch.tt | 7 ++++---
 2 files changed, 11 insertions(+), 4 deletions(-)
--- a/catalogue/itemsearch.pl	
+++ a/catalogue/itemsearch.pl	
@@ -130,7 +130,13 @@ if ( defined $format ) {
     foreach my $p (
         qw(homebranch holdingbranch location itype ccode issues datelastborrowed notforloan itemlost withdrawn damaged))
     {
-        if ( my @q = $cgi->multi_param($p . "[]") ) {
+
+        my @q;
+        @q = $cgi->multi_param( $p . "[]" );
+        if ( scalar @q == 0 ) {
+            @q = $cgi->multi_param($p);
+        }
+        if (@q) {
             if ( $q[0] ne '' ) {
                 my $f = {
                     field => $p,
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/catalogue/itemsearch.tt	
+++ a/koha-tmpl/intranet-tmpl/prog/en/modules/catalogue/itemsearch.tt	
@@ -479,10 +479,11 @@ 
                     url: '/cgi-bin/koha/catalogue/itemsearch.pl',
                     data: function ( d ) {
                         for (i in params) {
-                            if (! d.hasOwnProperty(params[i].name) ) {
-                                d[params[i].name] = [];
+                            if(d[params[i].name]){
+                                d[params[i].name] = [].concat(d[params[i].name], params[i].value);
+                            }else{
+                                d[params[i].name] = params[i].value;
                             }
-                            d[params[i].name].push(params[i].value);
                         }
                         d.format = 'json';
                         d.columns = JSON.stringify( d.columns );
--