private void setStatusLabel() {
			if (specData.getSelectedPeakNum() != 0) {
				StringBuffer sb = new StringBuffer();
				Iterator<Double> ite = specData.getSelectedPeakList().iterator();
				while (ite.hasNext()) {
					sb.append(String.valueOf(ite.next()) + ",  ");
				}
				statusKeyLbl.setText("Selected m/z :");
				statusValLbl.setText(sb.toString().substring(0, sb.length()-3));
			}
			else {
				statusKeyLbl.setText(" ");
				statusValLbl.setText(" ");
			}
		}