Mega Code Archive
Pass a URLRequest object to the navigateToURL()
<![CDATA[
<?xml version="1.0"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
<mx:Script>
import flash.net.*;
public function openNewWindow(event:MouseEvent):void {
var u:URLRequest = new URLRequest("http://www.adobe.com/flex");
navigateToURL(u,"_blank");
}
</mx:Script>
<mx:Button label="Open New Window" click="openNewWindow(event)" />
</mx:Application>
]]>