var Audio = {
	
	audio: null,
	tid: null,
	
	init: function() {
		this.audio = document.getElementById('a');
	},
	
	play: function() {
		this.audio.play();
	},
	
	pause: function() {
		this.audio.pause();
	},
	
	setTrack: function(url) {
		this.audio.setAttribute('src', url);
	},
	
	getLoadedPercent: function() {
		try {
			return Audio.audio.buffered.end(0) / Audio.audio.duration;
		} catch(e) {}
		return 0;
	},
	
	getPlayedPercent: function() {
		try {
			return Audio.audio.currentTime / Audio.audio.duration;
		} catch(e) {}
		return 0;
	},
	
	setPlayedPercent: function(val) {
		if (typeof(this.audio.duration) != undefined) {
			this.audio.currentTime = Math.round(val * this.audio.duration / 100);
			return true;
		}
		return false;
	},
	
	startListener: function() {
		Audio.tid = window.setTimeout(Audio.startListener, 100);
		Player.updateUI(
			Audio.getLoadedPercent(),
			Audio.getPlayedPercent()
		);
	}
}