From 78f2ce657c9e04182cee8ad0db23b5f92dabc2c6 Mon Sep 17 00:00:00 2001
From: Bartek Szopka <bartek.szopka+github@gmail.com>
Date: Sun, 11 Mar 2012 09:10:36 +0000
Subject: [PATCH 1/2] "fallback mode fix"

---
 js/impress.js | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/js/impress.js b/js/impress.js
index 53b6b73..5896167 100644
--- a/js/impress.js
+++ b/js/impress.js
@@ -124,7 +124,6 @@
     if (!impressSupported) {
         // we can't be sure that `classList` is supported
         body.className += " impress-not-supported ";
-        return;
     } else {
         body.classList.remove("impress-not-supported");
         body.classList.add("impress-supported");
@@ -144,7 +143,11 @@
     };
     
     var impress = window.impress = function ( rootId ) {
-
+        
+        if (!impressSupported) {
+            return null;
+        }
+        
         rootId = rootId || "impress";
         
         // if already initialized just return the API
@@ -399,6 +402,9 @@
         });
 
     };
+    
+    impress.supported = impressSupported;
+    
 })(document, window);
 
 // EVENTS
@@ -408,6 +414,11 @@
     
     var impress = window.impress;
     
+    // if impress is not supported don't add any handlers
+    if (!impress.supported) {
+        return;
+    }
+    
     // throttling function calls, by Remy Sharp
     // http://remysharp.com/2010/07/21/throttling-function-calls/
     var throttle = function (fn, delay) {

From b59a4bf4d7cca990f913a18d4aedaf8b3598577e Mon Sep 17 00:00:00 2001
From: Bartek Szopka <bartek.szopka+github@gmail.com>
Date: Sun, 11 Mar 2012 09:15:35 +0000
Subject: [PATCH 2/2] "bugfix release 0.4.1"

---
 README.md     | 10 ++++++++++
 js/impress.js |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 2f848dd..2345597 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,16 @@ It's an (un)fortunate coincidence that a Open/LibreOffice presentation tool is c
 VERSION HISTORY
 -----------------
 
+### 0.4.1 ([browse](http://github.com/bartaz/impress.js/tree/0.4.1), [zip](http://github.com/bartaz/impress.js/zipball/0.4.1), [tar](http://github.com/bartaz/impress.js/tarball/0.4.1))
+
+#### BUGFIX RELEASE
+
+Changes is version 0.4 introduced a bug causing JavaScript errors being thrown all over the place in fallback mode.
+This release fixes this issue.
+
+It also adds a flag `impress.supported` that can be used in JavaScript to check if impress.js is supported in the browser.
+
+
 ### 0.4 ([browse](http://github.com/bartaz/impress.js/tree/0.4), [zip](http://github.com/bartaz/impress.js/zipball/0.4), [tar](http://github.com/bartaz/impress.js/tarball/0.4))
 
 #### CHANGELOG
diff --git a/js/impress.js b/js/impress.js
index 5896167..e10c201 100644
--- a/js/impress.js
+++ b/js/impress.js
@@ -11,7 +11,7 @@
  *
  * ------------------------------------------------
  *  author:  Bartek Szopka
- *  version: 0.4
+ *  version: 0.4.1
  *  url:     http://bartaz.github.com/impress.js/
  *  source:  http://github.com/bartaz/impress.js/
  */