MooTools Autocomplete
Read more and download "MooTools Autocomplete"
A MooTools Autocompleter widget that creates a unobtrusive and customisable suggestion box for input fields from variable data sources. Try it out, it can load the suggestions from a local object or via XHR from a JSON or an XHTML source.
Example in the Playground which includes an Local, Json and Ajax Autocompleter.
Compatibility
Fully compatible with all A-Grade Browsers (Internet Explorer 6+, Opera 9, Firefox 1.5+ and Safari 2+)
Features
All classes extend the base class Autocompleter.Base, which provides all basic features to create an Autocompleter from any provided source. Both, Ajax.Json and Ajax.Json extend Autocompleter.Ajax.Base, which handles the query request and response.
Web 2.0 Box Generator