If you have the Java runtime installed, you might be able to use the following component I am busy developing. It is called the Mozilla Plugin Panel. It is a panel component in Lazarus that can embed Mozilla Plugins and seeing that a Java applet can run as a plugin, it should work. So far I have managed to get Macromedia Flash and the Adobe plugin working in the Mozilla Plugin Panel. How it works? The panel component implements the methods that a normal web browser uses to get a plugin to work. The panel then fools the plugin to think it is running in a web browser when infact it is running in a custom Lazarus panel.
I still need to setup a web page for it with some screenshots.
In the mean time, to get the source code, you can get it from my SubVersion server as follows:
svn co svn://opensoft.homeip.net/MozillaPluginPanel/trunk MozillaPluginPanel
Hope this can help
Graeme.