Facebook app: don't add FBJS event listeners to notice input box if it's not on the page

1 files changed, 6 insertions, 4 deletions

diff --git a/js/facebookapp.js b/js/facebookapp.js
index 8ef9aa532..f0696c19e 100644
--- a/js/facebookapp.js
+++ b/js/facebookapp.js
@@ -19,10 +19,12 @@
 var max = 140;
 var noticeBox = document.getElementById('notice_data-text'); 
 
-noticeBox.addEventListener('keyup', keypress);
-noticeBox.addEventListener('keydown', keypress);
-noticeBox.addEventListener('keypress', keypress);
-noticeBox.addEventListener('change', keypress);
+if (noticeBox) {
+    noticeBox.addEventListener('keyup', keypress);
+    noticeBox.addEventListener('keydown', keypress);
+    noticeBox.addEventListener('keypress', keypress);
+    noticeBox.addEventListener('change', keypress);
+}
 
 // Do our the countdown
 function keypress(evt) {