stop();
var myNC:NetConnection = new NetConnection();
myNC.connect(null);
var myNS:NetStream = new NetStream(myNC);
myVideo.attachVideo(myNS);
myNS.play("header.flv");
var time_interval:Number = setInterval(checkTime, 500, stream_ns);
function checkTime(myNS:NetStream) {
var ns_seconds:Number = myNS.time;
if (ns_seconds>4) {
myNS.pause;
}
}