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-rw-r--r--program/js/common.js2
1 files changed, 1 insertions, 1 deletions
diff --git a/program/js/common.js b/program/js/common.js
index 1a5c0519c..be98feb28 100644
--- a/program/js/common.js
+++ b/program/js/common.js
@@ -642,7 +642,7 @@ if (bw.ie)
var i = 0;
var o = document._getElementById(id);
- if (o.id != id)
+ if (!o || o.id != id)
while ((o = document.all[i]) && o.id != id)
i++;