fix js fail in media player

diff --git a/apps/media/js/collection.js b/apps/media/js/collection.js
index c345d4d99442c32a5dec91ffa05bdfed55a30650..0b5a9ef9a47446cce4c24bff2bf7fe7ec181f91b 100644 (file)
--- a/apps/media/js/collection.js
+++ b/apps/media/js/collection.js
@@ -112,6 +112,7 @@ Collection={
                                                        Collection.parent.find('tr').removeClass('active');
                                                        $('tr[data-artist="'+artist.name+'"]').addClass('active');
                                                });
+                                               expander='';
                                                if(artist.songs.length>1){
                                                        expander=$('<a class="expander">&gt;</a>');
                                                        expander.data('expanded',false);