From 2ff24841fdc9fff1ec1eb432d7969dd89621175f Mon Sep 17 00:00:00 2001
From: yanxd <sxty32@hotmail.com>
Date: Thu, 10 Jul 2014 10:12:16 +0800
Subject: [PATCH] optimization image check.

---
 public/javascripts/application.js | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/public/javascripts/application.js b/public/javascripts/application.js
index 5952faf99..9bba6cbbd 100644
--- a/public/javascripts/application.js
+++ b/public/javascripts/application.js
@@ -625,15 +625,11 @@ $(document).ready(addFormObserversForDoubleSubmit);
 function img_thumbnails() {
   $('.thumbnails a').colorbox({rel:'nofollow'});
   $('.attachments').find('a').each(function(index, element) {
-    if($(element).attr('href').indexOf('.jpg') > 0) {
+    var href_value = $(element).attr('href');
+    if (/\.(jpg|png|gif|bmp)$/.test(href_value)) {
       $(element).colorbox({rel:'nofollow'});
     }
-    if($(element).attr('href').indexOf('.png') > 0) {
-      $(element).colorbox({rel:'nofollow'});
-    }
-    if($(element).attr('href').indexOf('.gif') > 0) {
-      $(element).colorbox({rel:'nofollow'});
-    }
-  })
+
+  });
 }
 $(document).ready(img_thumbnails);