Thank you much for taking the time to explain in such detail.
This will be more then enough to start my investigation.

Regards,

Ambimind

Edit: For anyone else interested I found this great article which gives an explanation and source code for how this may be achieved:
http://ehsanakhgari.org/article/visual-c/html-dialogs
And here are the details of the dll:
http://www.geoffchappell.com/viewer.htm?doc=studies/windows/ie/mshtml/index.htm&tx=36