public void clearfields()
	{		
		txtPkgNm.setText(null);
		txtPkgDesc.setText(null);
		txtPkgBasePri.setText(null);
		txtPkgAgyCom.setText(null);
		lstProdSupp = null;
		
		ComboBoxModel cbProdIDModel = new DefaultComboBoxModel(getPackageIDs());
		cbPackage.setModel(cbProdIDModel);
		
	}