changeserver.mxml

<mx:Application>
	<mx:initialize>
	    <![CDATA[
	        if (Application.application.url.indexOf("file://") == 0) {
	            baseURL = "http://localhost:8080/";
	        }
	    ]]>
	</mx:initialize>

	<mx:String id="baseURL"><![CDATA[https://{server.name}/]]></mx:String>
	<mx:RemoteObject id="svc" destination="myDestination" endpoint="{baseURL}messagebroker/amf"/>
</mx:Application>

<mx:OtherComponent>
	<mx:Script>
		<![CDATA[
		private var service:Service = Application.application.svc;
		]]>
	</mx:Script>
</mx:OtherComponent>