browser plugin

I am creating programs that will be browser based and the customer can purchase the application and run it on their intranet server or on public servers. I need to be able to give certified users an installation program that will add a drop down button (similar to google's) to the user's browser. Therefore, I need a vb.net program that will do the following: when executed it will: Consume a web service from my web site that will return a GUID based on a user name, password, and authorization code entered. The GUID returned will be added into the user's system registry. The registry entry will need to contain a base URL that will also be passed back from the web service. Also returned from the web service is a list of available options. Each of these options will contain a url and title. After receiving the GUID and base url - the program will need to create and add a button to the default browser that has a drop list of options available to the user. These are the options returned in the web service in step 1. When clicked, the button will allow the user to access specific urls (in the user's registry based on the returned GUID from above). This URL will launch a web site (either local intranet or public web site). For example: Option one may be "login" and the url would be ["[login to view URL]][1]" Option two may be "Accounts" and the url would be "[[login to view URL]][2]" When the user clicks the first drop list option they would be directed to a web page that allows them to login into the system. If they clicked on the second option, they would be directed to the accounts page. I will need the ability to modify the code so additional options can be added later in the development process. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). * * *This broadcast message was sent to all bidders on Thursday Oct 11, 2007 8:40:01 AM: I narrowed the bid time - but raised the money - I had several people respond without a bid price. please look at your bids and make sure you have a bid amount. - thanks * * *This broadcast message was sent to all bidders on Tuesday Oct 16, 2007 8:58:24 AM: i will accept source code in c# as well as vb.net if needed to get the job done. ## Platform this will be a windows application that will be interacting with broswers.