This is the header div: id="iframe-header"
This is the right div: id="iframe-right"

Text 1

Text 2

Text 3

Show more

This is the additional text that is shown when you click on the link. This makes the content larger and therfore the new size needs to be sent to the parent and the iframe has to be enlarged.

This is the example text after the fake registration

You where sucessfully registered. Please check your e-mails and use the confirmation link to enable your account.

This is an example page with a common layout where the advanced iframe pro workaround is implemented.
This page is used for the advanced iframe pro demo. Please see here for a working demo.

This is the content div with a height of 500 px and a border of 2px. id="iframe-content"

Link to this page

Some example images that are linked to a biger version: