var minutes_up = this.picker().select('>.datepicker-time span.minutes-up', true).first();
var minutes_down = this.picker().select('>.datepicker-time span.minutes-down', true).first();
- var period = this.picker().select('>.datepicker-time button', true).first();
+ var period = this.picker().select('>.datepicker-time button.period-btn', true).first();
hours_up.on('click', this.onIncrementHours, hours_up);
hours_down.on('click', this.onDecrementHours, hours_down);