Browser PLugin Developer

We require a plugin with installer to developed. The plugin should be detected and installed via a web page The functionally of the plugin is very simple. It should intercept incoming responses and do the following. Add a new http header Remove an http header Modify an http header Add hello world to the top of the content In addition it should be able to to the following to all http GET requests made Edit an http header Modify an http header. This is a development project the name of the headers together with the value can simply be set in a text file This is to be written in c++. The quality and performance of the coding is important. This should use work under SSL ie https. The plugin will be initially written for IE 5,6,7 but the next project will be a port for firefox and safari as such the code should be portable as possible although it is understood this may be limited. This is not an easy project as such please only apply If you have previous experience of HTTP Headers in IE