private void updateList(final String prefix) {
		ListModel<Skill> model = new ListModel<Skill>() {
			private List<Skill> list = SkillControl.getList(prefix);
			@Override
			public void addListDataListener(ListDataListener l) { }

			@Override
			public Skill getElementAt(int index) {
				return list.get(index);
			}

			@Override
			public int getSize() {
				return list.size();
			}

			@Override
			public void removeListDataListener(ListDataListener l) { }
		};
		skillList.setModel(model);
	}