$(document).ready(function() {
  $('.jt').cluetip({
    cluetipClass: 'jtip', 
    activation: 'click',
    arrows: true, 
    dropShadow: true,
    sticky: true,
    mouseOutClose: false,
    closePosition: 'title',
    closeText: '<img src="img/cerrarb16.png" alt="Cerrar" />'
  });
});