import flash.external.ExternalInterface;
import mx.controls.Alert;
public function initApp():void {
ExternalInterface.addCallback("callFromJavascript",callFromJavascript);
}
public function callFromJavascript(s:String):void {
Alert.show(s,"Flex Alert");
}
private function sendToJavaScript():void {
ExternalInterface.call("getFromFlex","asdf");
}