window.onload = function() {
    addSwap();
	addTrackSwitch();
}

function addSwap(){
var i;
var v=getElementsByClassName("mini");
var l=v.length;
for(i=0;i<l;i++){
    makeMini(v[i]);
    }
}

function addTrackSwitch(){
var i;
var v=getElementsByClassName("audiotrack");
var l=v.length;
for(i=0;i<l;i++){
    makeTrackChange(v[i]);
    }
}
function makeMini(el){
    el.onfocus=function(){document.getElementById("preview").src=this.src; return false;}
    el.onclick=function(){document.getElementById("preview").src=this.src; return false;}
}

function makeTrackChange(el){
    el.onfocus=function(){switchAudioTrack(this.href); return false;}
    el.onclick=function(){switchAudioTrack(this.href); return false;}
}

function switchAudioTrack(el) {
  var audioPlayer = document.getElementById('nativeaudio');
  var elOgg=el.replace(/\.mp3$/i, ".oga");
  document.getElementById('nativemp3').src=el;
  document.getElementById('nativeogg').src=elOgg;
  document.getElementById('flashmp3').value="mp3="+el;
  audioPlayer.load();
  audioPlayer.play();
}