Creates a button that can be clicked in order to prompt the user to add a profile box or info section. The button appears only if the application has already called profile.setInfo or profile.setFBML and set info for that user, and the user hasn't already added that section.
| section | String | Can either be 'profile' or 'info' |
| element | Object | The iframe that contains this button is appended as a child of the element given |