var selected = '';

function artistaover(id){
	document.getElementById(id).className = 'artista artistaHover';
}

function artistaout(id){
	if(id != selected) 
		document.getElementById(id).className = 'artista';
}

function artistaclick(id,url){
	document.getElementById(id).className = 'artista artistaHover';
	aux = selected;
	selected = id;
	if(aux != '' && aux != id)
		document.getElementById(aux).className = 'artista';
	
	document.getElementById('infoartista').src = url;
}