From c66479616569d55b7591efbfbd16456937813655 Mon Sep 17 00:00:00 2001
From: Berkeley Martinez <Berkeley@robotie.com>
Date: Sat, 4 Jul 2015 08:31:26 -0700
Subject: [PATCH] fix check if scrollOffset exist

---
 public/js/main_0.0.3.js | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/public/js/main_0.0.3.js b/public/js/main_0.0.3.js
index 7d27601eb0..602bc0985f 100644
--- a/public/js/main_0.0.3.js
+++ b/public/js/main_0.0.3.js
@@ -384,11 +384,14 @@ $(document).ready(function() {
                 }
             });
         }
-        var initOff = ($('.scroll-locker').offset().top - $(window).scrollTop());
-        lockTop(initOff);
-        $(window).on('resize', function(){
-            lockTop(initOff);
-        });
+        var $scrollLocker = $('.scroll-locker');
+        if ($scrollLocker.offset()) {
+          var initOff = $scrollLocker.offset().top - $(window).scrollTop();
+          lockTop(initOff);
+          $(window).on('resize', function(){
+              lockTop(initOff);
+          });
+        }
     }
 
   $('#comment-button').on('click', commentSubmitButtonHandler);