Fix NPE in spotlight

static/lib/jquery.spotlight.js

@@ -42,11 +42,13 @@
 
       if (settings.animate) {
         currentOverlay.animate({opacity: 0}, settings.speed, settings.easing, function () {
+          if (currentOverlay != null) {
             currentOverlay.remove();
             currentOverlay = null;
 
             // Trigger the onHide callback
             settings.onHide.call(this);
+          }
         });
       } else {
         currentOverlay.remove();