From 988313826fac392a6965fb556efddddec902c8a6 Mon Sep 17 00:00:00 2001
From: Jeremy Goecks <jeremy.goecks@emory.edu>
Date: Wed, 30 May 2012 09:39:59 -0400
Subject: [PATCH] Fix bug in showing/hiding filters in Trackster.

---
 static/scripts/trackster.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/static/scripts/trackster.js b/static/scripts/trackster.js
index 35855d7405c..c35bc9e949b 100644
--- a/static/scripts/trackster.js
+++ b/static/scripts/trackster.js
@@ -2598,8 +2598,10 @@ extend(NumberFilter.prototype, {
      * Update filter's slider.
      */
     update_ui_elt: function () {
-        // Only show filter if min != max because filter is not useful otherwise.
-        if (this.min !== this.max) {
+        // Only show filter if min < max because filter is not useful otherwise. This
+        // covers all corner cases, such as when min, max have not been defined and
+        // when min == max.
+        if (this.min < this.max) {
             this.parent_div.show();
         }
         else {