fLRUFilterIdsStack.pop(); fLRUFilterIdsStack.add(0, filterId);
	private void setFilter(String filterId, boolean state) {		fEnabledFilterIds.put(filterId, new Boolean(state));		fLRUFilterIdsStack.pop();		fLRUFilterIdsStack.add(0, filterId);		updateViewerFilters(true);	}