Fixed the visibility of the "mode" button set

Before it was mistakenly beeing hidden when there was no timecodes on
the page.

aawiki/static/aawiki/js/aa.view.js

@@ -243,9 +243,9 @@
 
         /* Hides the slider if there is no titles attached to the body */
         if ($('body').timeline('maxTime') === undefined) {
-            $('#timeline, #time, #playpause').hide();
+            $('#timelineslider, #time, #playpause').hide();
         } else {
-            $('#timeline, #time, #playpause').show();
+            $('#timelineslider, #time, #playpause').show();
         }
     }