362320 mozilla add-on

Hello, I need something similar to [login to view URL] . Once user installs the add-on and starts browsing the web the add-on will detect if the page consists of rapidshare, megaupload etc. links, if it detects the page consists of these links it will send the page url to server with post or get method. The add on must be very light weigthed and must not disturb the user. Please us pmb for details & questions.