From bcb978d7b54b2f5517a2dc3f1aeb831f3fe82b32 Mon Sep 17 00:00:00 2001
From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Tue, 27 May 2014 18:34:56 -0400
Subject: [PATCH] - disallow negative scroll positions from affecting the left
 nav position

---
 doc/build/static/init.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/doc/build/static/init.js b/doc/build/static/init.js
index 356b1f7261..5687eed1dd 100644
--- a/doc/build/static/init.js
+++ b/doc/build/static/init.js
@@ -46,7 +46,8 @@ function initFloatyThings() {
             $("#docs-sidebar").removeClass("automated");
             $("#docs-top-navigation-container").removeClass("automated");
             $("#docs-body").css("margin-top", "");
-            $("#docs-sidebar").css("top", $("#docs-body").offset().top - scrolltop);
+            // safari/chrome allow negative scroll positions
+            $("#docs-sidebar").css("top", $("#docs-body").offset().top - Math.max(scrolltop, 0));
         }
 
 
-- 
2.47.3