fix to show the correct song title

script.js

@@ -6,11 +6,16 @@ function update(){
 			var json_obj = JSON.parse(json_text);
 			var playing = '';
 			var first = getFirstPlaying(json_obj);
-			if (first == null) {}
-			else if (first.artist != undefined) { 
+
+			if (first == null) {
+				playing = 'Mitte munnigi ei mängi prg';
+			}
+			else if (first != null && first.artist != undefined) { 
 				playing = first.artist + ' - '; 
+				playing += first.title;						
+			} else {	
+				playing += first.title;
 			}
-			playing += first.title;
 			var nowPlaying = playing;
 			update_field('on-air', playing);
 			update_listeners(json_obj);
@@ -26,8 +31,11 @@ function update_field(field, data){
 }
 
 function update_listeners(json_obj){
-	var nowPlaying = getFirstPlaying(json_obj);
-	update_field('listeners1', nowPlaying.listeners);
+	var nowPlaying = getFirstPlaying(json_obj);	
+
+	if(nowPlaying != null) {
+		update_field('listeners1', nowPlaying.listeners);
+	}	
 }
 
 function autoupdate(){
@@ -45,11 +53,16 @@ function reset_bg(){
 
 function getFirstPlaying(jsonObj){
 	var sources = jsonObj.icestats.source;
+	var masterStreams = [
+		'/live',
+	]
+
 	for(o=0; o < sources.length; o++) {
-		if (sources[o].title != undefined) {
+		if (sources[o].title != undefined && masterStreams.some(stream=>sources[o].listenurl.endsWith(stream))) { //check if source has a title key AND belongs to masterStreams
 			return sources[o];
-		}
+		} 
 	}
+	
 	return null;
 }