if (fQualifierElements == null) return;
	protected void setLowerSelectedElement(Object element) {		// find matching index		int i;		for (i= 0; i != fQualifierElements.length; i++)			if (fQualifierElements[i].equals(element))				break;		// set selection						if (i != fQualifierElements.length)			fLowerList.setSelection(i);	}