display empty tags and don't reload page

[Biblio-RFID.git] / examples / koha-rfid.js

diff --git a/examples/koha-rfid.js b/examples/koha-rfid.js
index 7932978..73dfb30 100644 (file)
--- a/examples/koha-rfid.js
+++ b/examples/koha-rfid.js
@@ -68,7 +68,11 @@ function rfid_scan(data,textStatus) {
                                var circulation = url.substr(-14,14) == 'circulation.pl';
                                var returns = url.substr(-10,10) == 'returns.pl';
 
-                               if ( t.content.substr(0,3) == '130' ) {
+                               if ( t.content.length == 0 ) { // empty tag
+
+                                       span.text( t.sid + ' empty' ).css('color', 'red' );
+
+                               } else if ( t.content.substr(0,3) == '130' ) { // books
 
                                        if ( circulation )
                                                 rfid_secure( t.content, t.sid, 'D7' );