[Javascript] Alert user when leaving site - Simplified

[Triche Osborne]

Mike Dougherty wrote:
> My boss wanted me to trap a user leaving uncommited data in a form.  "I 
> don't want you to disable the BACK button, just usurp it"  -- I told him 
> that was wrong for many reasons.  If a user leaves a page without 
> hitting the submit button, they will learn that form submission won't 
> work.  I made the request rediculous to the Nth degree by suggesting 
> that next management will want us to trap the windows shutdown key via 
> javascript and prevent the computer from being turned off - or possibly 
> preventing power failures while our site is being viewed....
> 
LOL! Be careful what you suggest. They may want you to implement it. ;-)

Triche