IE and Firefox Toolbar

Basically this toolbar haves to grab the current browser URL, if the domain is in a list of domains we have, it should query a webservice we will make and display the output text in the toolbar. Required Features: - Download domains list of supported domains (download only if list of domains in computer is older than 1 day) - If the current browser URL is in the list of domains, send a query to our webservice, it will be a URL like: [login to view URL] - Display the data in the toolbar (I will supply the toolbar design) Additional Features: (lower priority but needed) - Download a list of rules that should replace the inner HTML of the current browser page and process it depending on the current domain (simple regular expressions replace rules)