You can make your simulation appear as an applet (like other simulations at this web site.)
You will find [b]Upload new EJS jar file[/b] checkbox when you edit message (or create new topic).
It is located at the same line as "Post" button.

Click the checkbox, and you will find a button to upload the file from your local file folder.
The simulation will appear at the end of the message automatically.

You can even updated the jar when you edit the message (if you have new version), the procedure is the same as above.
I add  this feature so that user at this forum can share created EJS simulation easily. Please try it.