Add autoplay option upon init configuration.

Author: FernandoBasso

example-init.js

@@ -3,6 +3,8 @@
  */
 player.init({
     loop: 'all', // 'none', 'one', 'all'. Default: 'none'.
+    volume: 50, // 1 to 100.
+    autoplay: false,
     songs: [
         //{url: 'https://upload.wikimedia.org/wikipedia/en/4/45/ACDC_-_Back_In_Black-sample', name: 'Black in Black'},
         {url: 'songs/one', name: 'Amberdawn'},

player.js

@@ -105,10 +105,16 @@ var player = (function () {
         //
         var sourceOgg = createNode('source');
         sourceOgg.setAttribute('id', 'oggPath');
-        sourceMp3.setAttribute('type', 'audio/ogg');
+        sourceOgg.setAttribute('type', 'audio/ogg');
         sourceOgg.setAttribute('src', arrSongs[index].url + '.ogg');
         _self.dnAudio.appendChild(sourceOgg);
 
+        // The audio tag iteself is built only once. When the current song
+        // changes, only its audio url changes, but we do not recreate the audio
+        // tag. That means autoplay only works on page load and it doesn't interfere
+        // with changing songs through the playlist later.
+        _self.dnAudio.autoplay = _self.config.autoplay;
+
         _self.currentSongIndex = parseInt(index, 10);
     };
 
@@ -551,6 +557,7 @@ var player = (function () {
 
         config.volume = config.volume || 80;
         config.volume = config.volume / 100;
+        config.autoplay = config.autoplay || false;
 
         _self.config = config;
     }