fListViewer.setUseHashlookup(true);
	protected void createListViewer(Composite parent, int width, int height) {		fListViewer= new CheckboxTableViewer(parent, SWT.BORDER);		GridData data= new GridData(GridData.FILL_BOTH);		data.widthHint= width;		data.heightHint= height;		fListViewer.getTable().setLayoutData(data);		fListViewer.setContentProvider(fListContentProvider);		fListViewer.setLabelProvider(fListLabelProvider);		fListViewer.addCheckStateListener(this);	}