To allow IE to execute all scripts on our exported pages which are located locally (on the HDD), we are adding a "Mark of the Web". You can see it in the exported html, it looks like:
<!-- saved from url=(0020)
http://www.xara.com/ -->
This particular string is ignored by all browsers except for IE. For IE it tells that this page belongs to the Internet security Zone, so IE is free to run all the scripts and limit it access to the local files. Without it, the page on your HDD is treated as being in the Local Machine Zone which gives it more access to the local files, but to protect them, IE asks user for running any scripts.
IE shall not let you load iFrames from more privileged zone into it. But if you enter any online URL into your iFrame, for example
http://www.xara.com it will open successfully because this site is also in the Internet Zone. If you publish your files, it will work well, since they will be in the same Security Zone.
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