Simple form field implementation to add a captchafield to a form.
This module is build on the jcaptcha package. For the extended documentation go to: http://jcaptcha.sourceforge.net/apidocs/1.0/ http://jcaptcha.octo.com/confluence/display/general/Home
You will also need the jcaptcha-1.0-all.jar: http://sourceforge.net/projects/jcaptcha/files/jcaptcha/jcaptcha-1.0/jcaptcha-1.0-bin.zip/download
Note: The first time the application starts, this component needs to connect to a webservice. This can take a couple of seconds, but its only needed once.
You can only use this field only once per screen. You can not use it multiple times on the same screen.