"this page provides potentially unsafe information to an Activex Control. your current security settings prohibit running controls in this manner. as a result, this page may not display correctly."
I used IFrame and back & forward buttons(javascript) but I don't know about security update.....
Do you know how to slove this problem.
UserAgent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)
