Problem with radio button in spring

[navid_gh]

hi,
i have a panel and 2 radio buttons and one radio gorup
and panel defined in application-context.xml
and when i get panel with this code:

applicationContext.getObject("loginTest") as LoginTest

i get login panel with normal button
but i use redioButton

please help me

this is my code

application-context.xml

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<objects xmlns="http://www.springactionscript.org/schema/objects" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://www.springactionscript.org/schema/objects
	http://www.springactionscript.org/schema/objects/spring-actionscript-objects-1.0.xsd">

	<import file="services-context.xml"/>

	<!-- logging section-->
	<object id="traceTarget" class="org.springextensions.actionscript.ioc.factory.config.LoggingTargetFactoryObject">
		<property name="loggingTargetClass" value="mx.logging.targets.TraceTarget"/>
		<property name="includeCategory" value="true"/>
		<property name="includeDate" value="true"/>
		<property name="includeLevel" value="true"/>
		<property name="includeTime" value="true"/>
		<property name="level" value="2"/>
		<!-- <property name="filters"> <array> <value>com.domain.model.*</value> <value>com.domain.view.*</value>
			</array>
			</property>-->
	</object>

	<!-- importing properties file -->
	<property file="config.properties" />
	<!-- using imported properties-->


	<!--instantiating our Model class-->
	<object id="appModelInstance" class="com.adstrim.client.blog.model.ApplicationModel"
		singleton="true"/>
	
		<object id="loginTest" class="com.adstrim.client.blog.view.LoginTest"
		singleton="true"/>

loginTest.mxml

<?xml version="1.0" encoding="utf-8"?>
<mx:VBox xmlns:mx="http://www.adobe.com/2006/mxml" width="80" height="50">
	<mx:RadioButtonGroup id="LoginType"/>
	<mx:RadioButton label="Test1" selected="true" groupName="LoginType" id="radiobutton2"/>
	<mx:RadioButton label="Test2" groupName="LoginType" id="radiobutton1"/>
</mx:VBox>

this is my get panel code

addChild(applicationContext.getObject("loginTest"));

[navid_gh]

anybody?