function jspopupWindow(event:MouseEvent):void {
var desiredURL:URLRequest = new URLRequest("javascript:NewWindow=window.open('page.html','newWin','width=400,height=300,left=0,top=0,toolbar=No,location=No,scrollbars=No,status=No,resizable=Yes,fullscreen=No'); NewWindow.focus(); void(0);");
navigateToURL(desiredURL, "_self");
}
popup_btn.addEventListener(MouseEvent.CLICK, jspopupWindow);