The Facebook autocomplete address to: field.
We’ve extended the Autocomplete.Local from Scriptaculous to implement the autocomplete to: field mimicing the Facebook’s features. This was a little challenging at the start, but prototype.js and scriptaculous have just made it so much easier.
For more details:
http://www.rorcraft.com/2008/8/13/the-facebook-autocomplete-address-to-field/
Credits
Developed by Rex Chung – http://www.rorcraft.com