// To add a button to toggle fullscreen
// Add the following function after the resizeSite function (line 76)
function toggleFullScreen():Void {
	if(Stage["displayState"] == "normal") {
		Stage["displayState"] = "fullScreen";
	} else {
		Stage["displayState"] = "normal";
	}
}

// Then add this code for your fullscreen button
yourFullscreen_btn.onRelease = function() {
	toggleFullScreen();
};