function Playlist(pl, audio) {
	this.pl = pl;
	this.audio = audio;
	this.current = null;

	this.get = function(path, track) {
		var li = this.pl.getElementsByTagName('li')[0];
		while(li) {
			var as = li.getElementsByTagName('a');
			if(as.length > 0) {
				var a = as[0];
				if(a.ml.path == path && (!track || a.ml.track == track))
					return li;
			}
			li = li.nextElementSibling;
		}
		return null;
	}

	this.add = function(ml) {
		var a = document.createElement('a');
		a.setAttribute('href', '#');
		var name = ml.get_text();
		a.appendChild(document.createTextNode(name));
		a.ml = ml;
		var li = document.createElement('li');
		var pl = this;
		a.onclick = function() {
			while(li.previousElementSibling)
				li.previousElementSibling.parentElement.removeChild(li.previousElementSibling);
			a.setAttribute('class', 'playing');
			pl.current = li;
			ml.play();

			var nextsong = li.nextElementSibling;
			log('nextsong: ' + nextsong);
			// avoid breaking when a track has been removed
			while(nextsong && nextsong.childElementCount == 0)
				nextsong = nextsong.nextElementSibling;
			if(nextsong) {
				var nexta = nextsong.getElementsByTagName('a')[0];
				log('nexta: ' + nexta);
				log(nexta.onclick);
				log('next ml: ' + nexta.ml);
				nexta.ml.recode();
			}

			return false;
		}
		log(a.click);

		var span = document.createElement('div');

		// anchor to remove track from playlist
		var a_del = document.createElement('a');
		a_del.setAttribute('class', 'delete');
		a_del.setAttribute('href', '#');
		a_del.setAttribute('title', 'Remove');
		var del_img = new Image();
		del_img.src = '/static/icons/delete.png';
		a_del.appendChild(del_img);
		a_del.onclick = function() {
			li.removeChild(span);
			return false;
		}
		a_del.hidden = true;

		span.onmouseover = function() {
			a_del.hidden = false;
		}
		span.onmouseout = function() {
			a_del.hidden = true;
		}

		span.appendChild(a);
		span.appendChild(document.createTextNode(' '));
		span.appendChild(a_del);

		li.appendChild(span);
		this.pl.appendChild(li);

		if(this.pl.firstChild == li || (this.current && this.current.nextElementSibling == li))
			ml.recode();
	}

	this.next = function() {
		log('next');
		log('this: ' + this);
		log('current: ' + this.current);
		if(this.current) {
			var old = this.current;
			log('old: ' + old);
			this.current = this.current.nextElementSibling;
			old.parentElement.removeChild(old);
		}
		// avoid breaking when a track has been removed
		while(this.current && this.current.childElementCount == 0)
			this.current = this.current.nextElementSibling;
		if(this.current) {
			var a = this.current.getElementsByTagName('a')[0];
			a.onclick();
		}
	}
}