Classes
 ClassDescription
 MinimalRemoting Simplifies remoting and adds Event Listeners.

You should probably do something like this at your app startup:
NetConnection.defaultObjectEncoding = ObjectEncoding.AMF3; 

AND/OR pass the encoding type into the constructor of this class.

most code ripped & modified from Josh Strike's remoting package http://www.joshstrike.com/

and also from ProDevTips http://www.prodevtips.com/2008/07/28/amfphp-in-flash-cs3-with-as3-jquerypost-style/

Note: It might be good for you to read the comments above the private methods of this class.
 RemotingEvent This is the event object that MinimalRemoting dispatches.