Solved.

project_folder/me/radbourne/kiosk.as
Code:
package me.radbourne {
	import org.actionscript.*;
	public class kiosk extends MovieClip {
		var ck:CustomKeyboard = new CustomKeyboard();
		public function kiosk() {
			addChild(ck);
		}
	}	
}
project_folder/org/actionscript/CustomKeyboard.as
Code:
package org.actionscript {
	public class CustomKeyboard extends MovieClip {
		static public function CustomKeyboard() {
			//Do shiz
		}
	}	
}