title: How do I develop browser plugins with cross-platform and cross-browser compatibility in mind?
body: <p>My company currently has a product which relies on a custom, in-house ActiveX control. The technology it employs is itself cross-platform by design, but our solution is obviously limited to Internet Explorer on Windows.</p>
  
  <p>Long term we would like to become cross-browser and cross-platform (i.e., support other browsers on Windows, support the Macintosh or Linux). </p>
  
  <p>Obviously if we wanted to support Firefox on Windows I would need to write a plugin for it. But if we wanted to support the Macintosh, how do I attack that? Is it possible to compile a version of the Firefox plugin that runs on the Mac? Would I be remiss to not also support Safari on the Mac? Are there any plugins which are cross-browser on a platform? (i.e., can any browsers run plugins for other browsers)</p>
  
  <p>What do people generally do when they want to support multiple platforms with a process that will need to be cross-platform and cross-browser compatible?</p>