private function startStreaming()
        {
            ns = new NetStream(nc);
            ns.client = this;
            ns.addEventListener(NetStatusEvent.NET_STATUS, onNetStatus);
            ns.addEventListener(AsyncErrorEvent.ASYNC_ERROR, onError);
            ns.play("ovaxh37k9yep18z");
            video.attachNetStream(ns);
            ns2 = new NetStream(nc);
            ns2.client = this;
            ns2.addEventListener(NetStatusEvent.NET_STATUS, onNetStatus);
            ns2.addEventListener(AsyncErrorEvent.ASYNC_ERROR, onError);
            ns2.play("28ersrh937obs02");
            video.attachNetStream(ns2);
        }

C:\Users\User\Z\Programs\Flash\User\Live\live\NsExample.as, Line 36 1120: Access of undefined property ns2.
C:\Users\User\Z\Programs\Flash\User\Live\live\NsExample.as, Line 37 1120: Access of undefined property ns2.
C:\Users\User\Z\Programs\Flash\User\Live\live\NsExample.as, Line 38 1120: Access of undefined property ns2.
C:\Users\User\Z\Programs\Flash\User\Live\live\NsExample.as, Line 39 1120: Access of undefined property ns2.
C:\Users\User\Z\Programs\Flash\User\Live\live\NsExample.as, Line 40 1120: Access of undefined property ns2.
C:\Users\User\Z\Programs\Flash\User\Live\live\NsExample.as, Line 41 1120: Access of undefined property ns2.