Use flash.system.Capabilities.language property to dynamically load content in the appropriate language
package{ import flash.display.Sprite; import flash.system.Capabilities; public class Main extends Sprite{ public function Main(){ var greetings:Array = new Array( ); greetings["en"] = "Hello"; greetings["es"] = "Hola"; greetings["fr"] = "Bonjour"; var lang:String = flash.system.Capabilities.language.substr(0, 2); if (greetings[lang] == undefined) { lang = "en"; } trace(greetings[lang]); } } }