You could use the onEvent mixin from tapestry-stitch to listen to the change event and update a zone.
http://tapestry-stitch.uklance.cloudbees.net/oneventdemo
You could use the onEvent mixin from tapestry-stitch to listen to the change event and update a zone.
http://tapestry-stitch.uklance.cloudbees.net/oneventdemo