function MusicPlayer(id){
this.id = id;
this.player = document.getElementById("MusicPlayer"+id);
this.title = this.player.parentNode.getElementsByTagName("h3")[0];
}
MusicPlayer.prototype.changeTrack = mp_changeTrack;
function mp_changeTrack(idx,name){
with(this){
title.innerHTML = name;
player.src = "http://www.stecrecords.com/shared/ml/song.php?id="+idx;
}
}