script.aculo.us’ Thomas Fuchs is releasing various goodies in his prototype_helpers repository. They seem to mostly be extractions from his time tracking app freckle.

A great one is @defaultValueActsAsHint@, which adds hints to your text inputs. Like so:


![](http://img.skitch.com/20090121-x9y6ppc2x2u96kctr4q5awryan.png)

Check out the blog post for more information.