Twitter-esque Animated Placeholders with Dojo

Have you seen the cool text input boxes on the Twitter homepage recently (make sure you are logged out). Twitter is using CSS transitions to achieve the effect but unfortunately those are still not fully adopted just yet. I created (with a bit of cleanup help from kgf on #dojo @ irc.freenode.net) a similar effect with Dojo and made a dojo.query() “plugin” out of it which does work in most browsers:

It’s simple enough to use this on your own code. Use the same HTML layout, and include the JavaScript plugin code on your page to use the plugin.