<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" applicationComplete="test()" viewSourceURL="srcview/index.html">
    <mx:Script>
        <![CDATA[
import mx.controls.NumericStepper;
import flash.utils.getQualifiedClassName;

private function test():void {
var o1:MovieClip = new MovieClip();
var o2:NumericStepper = new NumericStepper();
var o3:Object = new TestClass();

                testResults.text += getObjectClass(o1);
                testResults.text += "\n" + getObjectClass(o2);
                testResults.text += "\n" + getObjectClass(o3);

                testResults.text += "\n\n\nDuplication:";
                testResults.text += "\n\nobj1:" + newInstanceOf(o1);
                testResults.text += "\n\nobj2:" + newInstanceOf(o2);
                testResults.text += "\n\nobj3:" + newInstanceOf(o3);


            }


private function getObjectClass(obj:*):Class {
var className:String = getQualifiedClassName(obj);
var classOfObj:Class = ApplicationDomain.currentDomain.getDefinition(className) as Class;

return classOfObj;
            }

private function newInstanceOf(obj:*):Object {
var objectClass:Class = getObjectClass(obj);

if(objectClass) {
return new objectClass();
                }

return null;
            }


        ]]>
    </mx:Script>

    <mx:Text id="testResults"/>

</mx:Application>

package
{
public class TestClass
    {
public function TestClass()
        {
trace("this is just a test class");
        }

    }
}