Crear ventana modal con jquery

<div class="modal fade" id="nickname" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal"><span aria-hidden="true">&times;</span><span class="sr-only">Cerrar</span></button>
                <h4 class="modal-title" id="myModalLabel">Editar nick</h4>
            </div>
            <div class="modal-body">
                <input type="text" class="form-control" id="playernames" value="" /></div>
            <div class="modal-footer">
                <button type="button" class="btn btn-default" data-dismiss="modal">Cerrar</button>
                <button type="submit" class="btn btn-success" id="botonAventura">Crear</button>
            </div>
        </div>
    </div>
</div>