//Don't scale the movie when the stage size changes Stage.scaleMode="noScale"; //Align the stage to the top left Stage.align = "TL"; //Function to toggle between fullscreen and normal size //the toggle fullscreen button calls this function when pressed function toggleFullScreen(){ //if normal size, go to fullscreen, else go to normal size if(Stage["displayState"]=="normal"){ Stage["displayState"]="fullScreen"; }else{ Stage["displayState"]="normal"; } } //Create a listener for each time the Stage is resized var resizeListener:Object = new Object(); //Called each time the stage is resized resizeListener.onResize = function () { //Move the button to the center of the screen toggleFullScreenButton._x=Stage.width/2; toggleFullScreenButton._y=Stage.height/2; } //Add the listener to Stage Stage.addListener(resizeListener);