//toggle which artist we're looking at
current_artist = 0;
function artistToggle(new_artist) {
	
	//hide current artist
	$('artist'+current_artist).addClass('hide');
	$('artist_label'+current_artist).removeClass('on');
	
	//show new artist
	current_artist = new_artist;
	$('artist_label'+current_artist).addClass('on');
	var new_el = $('artist'+new_artist);
	new_el.removeClass('hide');
	new_el.setOpacity(0);
	new_el.effect('opacity', {duration: 300}).start(.5,1);
	
}