[Title] revise document -> window according to Tizen 2.2 App guide

Change-Id: I6ce85d08ded98d57c408ee480570fb4048bb6430

diff --git a/js/clock.js b/js/clock.js
index 6386f8f..177ac46 100755 (executable)
--- a/js/clock.js
+++ b/js/clock.js
@@ -1,5 +1,5 @@
 //add eventListener for tizenhwkey\r
-document.addEventListener('tizenhwkey', function(e) {\r
+window.addEventListener('tizenhwkey', function(e) {\r
     if(e.keyName == "back")\r
         tizen.application.getCurrentApplication().exit();\r
 });\r