text: var audio;
  var playlist;
  var tracks;
  var current;
  
  init();
  function init(){
      current = 0;
      audio = $('audio');
      playlist = $('span');
      tracks = playlist.find('span a');
      len = tracks.length - 1;
      audio[0].volume = 1.0;
      playlist.find('a').click(function(e){
          e.preventDefault();
          link = $(this);
          current = link.parent().index();
          run(link, audio[0]);
      });
      audio[0].addEventListener('ended',function(e){
          current++;
          if(current == len){
              current = 0;
              link = playlist.find('a')[0];
          }else{
              link = playlist.find('a')[current];    
          }
          run($(link),audio[0]);
      });
  }
  function run(link, player){
          player.src = link.attr('href');
          par = link.parent();
          par.addClass('active').siblings().removeClass('active');
          audio[0].load();
          audio[0].play();
  }