Access denied at ifrm.document.body

access deny error picture
https://drive.google.com/file/d/0Bw9VY6PDjWefQTk5cW5qUl9yTXc/edit?usp=sharing

i use the code in 
http://support.microsoft.com/kb/278469/en-us
to solve 
https://drive.google.com/file/d/0Bw9VY6PDjWefTzltbmRwSjVtb28/edit?usp=sharing
got error at
var oBody = ifrm.document.body;