Ken,

 

Great idea with the video! Never thought of doing that.  Also, I tried it your way and it does work that way BUT it doesn't work if they copy text below the element or from another source (Word, Notepad, etc).

 

I made my own little video to demonstrate. 

 

http://www.screencast-o-matic.com/watch/cQeIjXe2r 

 

Let me know.

 

Thanks muchly,

 

Steve