private void fillGroup()
	{
		this.group.setName(txtName.getText());
		this.group.setCapacity(Integer.parseInt(txtCapacity.getText()));
		//this.group.setTeacher((Teacher)cbTeacher.getSelectedItem());
		this.group.setTeacher(lblDispTeacher.getText());
		this.group.setLevel((Level)cbLevel.getSelectedItem());
		
		List<Group_schedule> newList = new ArrayList<Group_schedule>();
		for(int i=0; i < list.getModel().getSize(); i++)
		{
			Group_schedule gschedule = (Group_schedule)((DefaultListModel) list.getModel()).getElementAt(i);
			newList.add(gschedule);
			if(this.schedule_list.contains(gschedule)){
				this.schedule_list.remove(gschedule);
			}else{
				gschedule.setStatus(1);
				this.schedule_list.add(gschedule);
			}
		}

		
		this.group.setSchedule(newList);
	}