import flash.external.ExternalInterface;
import flash.net.URLRequest;
import flash.net.navigateToURL;
import flash.events.MouseEvent;

function openWindow(url:String, target:String = '_blank', features:String=""):void{
                var WINDOW_OPEN_FUNCTION:String = "window.open";
                var myURL:URLRequest = new URLRequest(url);
                if (ExternalInterface.available) {
                               ExternalInterface.call(WINDOW_OPEN_FUNCTION, url, target, features);
                }
}
function clickedb(e:MouseEvent):void {
                var sURL: String;

                if ((sURL = root.loaderInfo.parameters.clickTag)) {
                               openWindow(sURL);
                }
}
botaoUOL.addEventListener(MouseEvent.CLICK, clickedb);