Warn if form was not changed

Warn if form was not changed

Hi,

I want to warn the user, if he modified a form, but leaves (e.g. clicks on a link) without saving.

On the net I found this:
 
 http://misterdai.wordpress.com/2010/06/04/jquery-form-changed-warning/

Is this the way to go, or is there a better way?

  Thomas










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