From 276509604d7bdcea4b1be89ed78be67d95ef816c Mon Sep 17 00:00:00 2001
From: Peter Parks
Date: Tue, 24 Jan 2012 20:11:17 -0800
Subject: Fix hidden image map issue issue #461 img.getClientRects() was
 returning an empty object instead of false when the img map was not
 displayed. So instead of checking for a false object, check for the length of
 items instead.

---
 linkHints.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/linkHints.js b/linkHints.js
index ce5b80ed..14747f16 100644
--- a/linkHints.js
+++ b/linkHints.js
@@ -132,7 +132,7 @@ var linkHints = {
         var img = document.querySelector("img[usemap='#" + map.getAttribute("name") + "']");
         if (!img) continue;
         var imgClientRects = img.getClientRects();
-        if (!imgClientRects) continue;
+        if (imgClientRects.length == 0) continue;
         var c = element.coords.split(/,/);
         var coords = [parseInt(c[0], 10), parseInt(c[1], 10), parseInt(c[2], 10), parseInt(c[3], 10)];
         var rect = {
-- 
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