code: function () {
  			var onSelect = this._defaults.onSelect || this.inst.settings.onSelect;
  			var inputEl = this.$input ? this.$input[0] : null;
  			if (onSelect && inputEl) {
  				onSelect.apply(inputEl, [this.formattedDateTime, this]);
  			}
  		}
docs: /*
  call custom onSelect.
  bind to sliders slidestop, and grid click.