From b71f4c216fbe725af0b81ca42ab628d0f596b5a0 Mon Sep 17 00:00:00 2001
From: Ivan Kohler <ivan@freeside.biz>
Date: Sat, 11 Jul 2015 15:26:48 -0700
Subject: update CKeditor

---
 httemplate/elements/ckeditor/plugins/preview/preview.html | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

(limited to 'httemplate/elements/ckeditor/plugins/preview/preview.html')

diff --git a/httemplate/elements/ckeditor/plugins/preview/preview.html b/httemplate/elements/ckeditor/plugins/preview/preview.html
index d6c4937c1..8c0282628 100644
--- a/httemplate/elements/ckeditor/plugins/preview/preview.html
+++ b/httemplate/elements/ckeditor/plugins/preview/preview.html
@@ -1,10 +1,13 @@
 <script>
 
-var doc = document;
-doc.open();
-doc.write( window.opener._cke_htmlToLoad );
-doc.close();
+// Prevent from DOM clobbering.
+if ( typeof window.opener._cke_htmlToLoad == 'string' ) {
+	var doc = document;
+	doc.open();
+	doc.write( window.opener._cke_htmlToLoad );
+	doc.close();
 
-delete window.opener._cke_htmlToLoad;
+	delete window.opener._cke_htmlToLoad;
+}
 
 </script>
-- 
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