IE toolbar addon

Any one know where I can start to read & make an addon features to my IE browser like the google toolbar?

But I want to make my own which specific to web site only?

Any help would be appreciate.

I wonder if this will be able to help you:
http://www.topshareware.com/Internet-Explorer-Toolbar-Maker-download-6654.htm
Jamie.

If you particularly want a google toolbar, try this http://toolbar.google.com/index_2