... A plug-in is a separate code module that behaves as though it is part of the Netscape Communicator browser. You can use the Plug-in API to create plug-ins that extend Communicator with a wide range of interactive and multimedia capabilities, and that handle one or more data (MIME) types. ... Using HTML to Display Plug-ins [ Top ] . ... Communicator loads an embedded plug-in when the user displays an HTML page that contains an embedded object whose MIME type is registered by a plug-in. ...