import flash.display.Stage;
import flash.display.StageAlign;
import flash.display.StageScaleMode;
import flash.events.Event;
var MyStage:Stage = stage;
MyStage.scaleMode = StageScaleMode.NO_SCALE;
MyStage.align = StageAlign.TOP_LEFT;
MyStage.addEventListener(Event.RESIZE, resizeDisplay);
function resizeDisplay(event:Event):void {
var nowWidth:int = stage.stageWidth;
var nowHeight:int = stage.stageHeight;
var precent:Number = nowWidth/300
VBtn.width = precent*100;
VBtn.height = precent*20;
}