code: function(delay) {
      if (!cdb.core.util.ie || (cdb.core.util.browser.ie && cdb.core.util.browser.ie.version > 8)) {
        this.$el.css({
          'marginBottom':'-10px',
          'display': 'block',
          'visibility':'visible',
          opacity:0
        });
  
        this.$el
        .delay(delay)
        .animate({
          opacity: 1,
          marginBottom: 0
        },300);
      } else {
        this.$el.show();
      }
    }
docs: Animate infowindow to show up