I just added it to the Code Exchange, get it here:

http://developer.anscamobile.com/code/custom-ios-wheel-picker-looks-native

In my testing, it works great. More info at the link above.

P.S. You can also use the code in the script above to learn some neat tricks on how to extract data from a Web Popup INTO your app (it's tricky, but CAN be done).

Enjoy :-)