How to allow blocked content when accessing local web pages

With Windows XP SP2, Internet Explorer blocks JavaScript pages when executed on locally ( = from your hard drive, not online as web page) usually.  However, if you still are getting the error with a message that says: "To help protect your security, Internet Explorer has restricted this file from showing active content that could access your computer" (as shown in the screenshot below):

simply, right-click on the information bar and select "Allow Blocked Content".