docs: private JCheckBox getChkShowPassword() {
  		if (chkShowPassword == null) {
  			chkShowPassword = new JCheckBox();
  			chkShowPassword.setText(Constant.messages.getString("conn.options.proxy.auth.showpass"));
  			chkShowPassword.addActionListener(new java.awt.event.ActionListener() { 
  
  				@Override
  				public void actionPerformed(java.awt.event.ActionEvent e) {    
  					if (chkShowPassword.isSelected()) {
  						txtProxyChainPassword.setEchoChar((char) 0);
  			        } else {
  			        	txtProxyChainPassword.setEchoChar('*');
  			        }
  				}
  			});
  
  		}
  		return chkShowPassword;
  	}