when you look at the source code of this webpage you can read the src file of the applet ;)
<applet code="greenfoot.export.GreenfootScenarioViewer.class" class="noscript_block"
width="618"
height="470"
archive="/applet_attachments/0001/3873/greenfoot8083302611099881186.jar"
alt="Your browser understands the <APPLET> tag but isn't running the applet, for some reason."
style="margin-left: 136px"
>
***user info***
</applet>
when you then take the url of the archive (the jar file) and attach it to greenfoot.org, you get the url, where you can download the compiled program ;)
2012/6/10
dialog demo
2012/6/10
dialog demo
2012/6/10
dialog demo
2012/6/9
Space Invaders