Link navigateToURL that pops a new window with dimensions

safePromo_mc.addEventListener(MouseEvent.MOUSE_DOWN, safeClick);
function safeClick(e:MouseEvent):void {
  var jscommand:String = "window.open('http://www.adobe.com','win','height=200,
           width=300,toolbar=no,scrollbars=yes');"; 
  var url:URLRequest = new URLRequest("javascript:" + jscommand + " void(0);"); 
  navigateToURL(url, "_self"); 
}