function favoritos(id, sec, accion){
	if(id==undefined){
		alert("Error: no se ha encontrado el vídeo");
		return;
	}
	
	$.ajax({
		type: "GET",
		url: "acciones.php",
		data: "id="+id+"&sec="+sec+"&accion="+accion,
		success: function(msg){
			document.getElementById(sec+"_fav_"+id).innerHTML = msg;
			if (document.getElementById(sec+"_fav_"+id).className=="agregar")
				document.getElementById(sec+"_fav_"+id).className="noagregar";
			else if (document.getElementById(sec+"_fav_"+id).className=="noagregar")
				document.getElementById(sec+"_fav_"+id).className="agregar";
			else
				document.getElementById(sec+"_fav_"+id).className="";
		}, 
		error: function(xho){
			document.getElementById(sec+"_fav_"+id).innerHTML = "Error:"+xho.responseText;
		}
	});	
}