function ClearAll(){
	currentTrack = 0;
	currentCaption= undefined;
	currentSpeaker= -1;
	captionInfo = undefined;
	track.removeAll();
	UpdateCaption();
}

function StopNets(){
	if (nets!=undefined){
		nets.close();
		delete nets;
	}
	if (id!=undefined){
		clearInterval( id );
		delete id;
	}
}

function GetTimeString(){
	if (nets==undefined) return('--:--:--:---');
	var t=nets.time*1000;
	var h=Math.floor(t/3600000);//hour
        t-=h*3600000;
	var m=Math.floor(t/60000);//minute
	t-=m*60000;
	var s=Math.floor(t/1000);//second
	t-=s*1000;
	t=Math.floor(t);//millisecond
	
	var q=h.toString();
	while (q.length<2) q='0'+q;
	var f=q+':';
	q=m.toString();;
	while (q.length<2) q='0'+q;
	f+=q+':';
	q=s.toString();
	while (q.length<2) q='0'+q;
	f+=q+':';
	q=t.toString();
	while (q.length<3) q='0'+q;
	f+=q;
	return(f);
}

function flvTimer() {
	dtTime = GetTimeString();
}

ClearAll();

ply_btn.onPress = function (){
	
	StopNets();
	ClearAll();
	liMarkers.removeAll();
	taEvents.text='';
	nc = new NetConnection();
	nc.connect(null);
	
	nets = new NetStream(nc);

	nets.onCaptionInfo = function(obj){
		taEvents.text=taEvents.text+GetTimeString()+' onCaptionInfo'+newline;
		ClearAll();
		captionInfo=obj;
		arr=obj.tracks;
		for (n=1;n<=arr.length;n++){
			track.addItem(arr[n-1].displayname,n-1);
		}
	}

	
	nets.onMarkerList = function(arr){
		taEvents.text=taEvents.text+GetTimeString()+' onMarkerList'+newline;
	}

	nets.onCaption = function(captions,speaker){
		currentCaption=captions;
		currentSpeaker=speaker;
		UpdateCaption();
	}
	nets.onMarker = function(label){
		liMarkers.addItem(GetTimeString()+' "'+label+'"');
		liMarkers.selectedIndex = liMarkers.dataProvider.length-1;
		liMarkers.vPosition=9999999;
	}
	nets.onLastSecond = function(obj){
		taEvents.text=taEvents.text+GetTimeString()+' onLastSecond'+newline;
	}
	nets.onMetaData = function(obj){
		taEvents.text=taEvents.text+GetTimeString()+' onMetaData'+newline;
	}
	nets.onCuePoint = function(obj){
		liMarkers.addItem(GetTimeString()+' "'+obj.name+'"'+' ('+obj.type+')');
		liMarkers.selectedIndex = liMarkers.dataProvider.length-1;
		liMarkers.vPosition=9999999;
	}
	
	id = setInterval( flvTimer, 100 );
	
	nets.SetBufferTime(10);
	video.attachVideo(nets);
	nets.play("ETFtrailer.flv");
}

pause_btn.onPress = function(){
	nets.pause();
}

stop_btn.onPress = function(){
	StopNets();
}

bck_btn.onPress = function() {
	taCaptions.text="";
	nets.seek( nets.time - 5 );
}

fwd_btn.onPress = function (){
	taCaptions.text="";
	nets.seek( nets.time + 5 );
}

function UpdateCaption(){
	if (currentCaption==undefined) {
		taCaptions.text="";		
		} else {
		if (currentSpeaker==-1){
			s='';
			} else {
				s='<b>'+captionInfo.speakers[currentSpeaker].name+'</b>: ';
			}
		taCaptions.text=s+currentCaption[currentTrack];
		}
}

function change(evt){
  currentTrack=evt.target.selectedItem.data;
  UpdateCaption();
}
track.addEventListener("change", this);