endCourseHourJcb.setSelectedIndex(((end+1)/4)+8);
endCourseHourJcb.setSelectedIndex(((end+1)/4)+8 - FIRST_HOUR);
    public void setEndHour(int end){    	endCourseHourJcb.setSelectedIndex(((end+1)/4)+8);    	endCourseMinuteJcb.setSelectedIndex(((end+1)%4));    }