From fcba955d82d625aca80ef90baef774370df3b31a Mon Sep 17 00:00:00 2001
From: Morgan Cheng <morgan.chengmo@gmail.com>
Date: Fri, 29 Apr 2011 20:07:14 -0700
Subject: [PATCH] cache user agent detection result.

---
 src/bowser.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/bowser.js b/src/bowser.js
index 252321e..9c1e4f7 100644
--- a/src/bowser.js
+++ b/src/bowser.js
@@ -14,9 +14,15 @@
       safari = /safari/i.test(ua) && !chrome,
       opera = /opera/i.test(ua),
       firefox = /firefox/i.test(ua),
-      gecko = /gecko\//i.test(ua);
+      gecko = /gecko\//i.test(ua),
+      info;
 
   function bowser() {
+      info = info ? info : detect();
+      return info;
+  }
+    
+  function detect() {  
 
     if (ie) {
       return {