System Tray i Java under under win XP

har fundet dette api http://systray.sourceforge.net/, har downloadet den nyeste version, men får følgende fejl fra compileren

java.lang.Error: Unresolved compilation problems:
    SysTrayMenu cannot be resolved
    SysTrayMenu cannot be resolved

    at java.lang.reflect.Constructor.newInstance(Native Method)
    at STMenuTest.main(STMenuTest.java:8)
Exception in thread "main"

min test klasse ser således ud

import java.awt.event.*;
import java.awt.*;
import java.util.*;
import java.io.*;

import javax.swing.*;

import snoozesoft.systray.SysTrayMenu;


/**
* This code demonstrates the usage of the SysTrayMenu class.
* @author Tamas Bara
*/
public class STMenuTest extends JFrame implements ActionListener
{
    private final int INIT_WIDTH    = 150;
    private final int INIT_HEIGHT  = 140;

    private static String[] toolTips =
    {
        "SysTray for Java rules!",
        "brought to you by SnoozeSoft 2002"
    };

    private int currentIndexIcon;
    private int currentIndexTooltip;
    private static boolean menuDestroyed;

    public STMenuTest()
    {
        super( "Rocket" );
        setIconImage( new ImageIcon(
            getClass().getResource( "images/rocket.gif" ) ).getImage() );

        Dimension dimScreen = Toolkit.getDefaultToolkit().getScreenSize();

        int xPos = ( dimScreen.width - INIT_WIDTH ) / 2;
        int yPos = ( dimScreen.height - INIT_HEIGHT ) / 2;

        setBounds( xPos, yPos, INIT_WIDTH, INIT_HEIGHT );
        getContentPane().setLayout( new GridLayout( 3, 1 ) );
        setResizable( false );

        JButton btnChangeIcon = new JButton( "Change Icon" );
        btnChangeIcon.setActionCommand( "change icon" );
        btnChangeIcon.addActionListener( this );

        JPanel pnlNorth = new JPanel( new FlowLayout( FlowLayout.CENTER ) );
        pnlNorth.add( btnChangeIcon );

        JButton btnChangeTooltip = new JButton( "Change Tooltip" );
        btnChangeTooltip.setActionCommand( "change tooltip" );
        btnChangeTooltip.addActionListener( this );

        JPanel pnlCenter = new JPanel( new FlowLayout( FlowLayout.CENTER ) );
        pnlCenter.add( btnChangeTooltip );

        JButton btnDestroy = new JButton( "Destroy Menu" );
        btnDestroy.setActionCommand( "destroy" );
        btnDestroy.addActionListener( this );

        JPanel pnlSouth = new JPanel( new FlowLayout( FlowLayout.CENTER ) );
        pnlSouth.add( btnDestroy );

        getContentPane().add( pnlNorth );
        getContentPane().add( pnlCenter );
        getContentPane().add( pnlSouth );

        currentIndexIcon = 0;
        currentIndexTooltip = 0;

        // terminate the application if the menu was destroyed before
        WindowListener listener = new WindowAdapter()
        {
            public void windowClosing( WindowEvent e )
            {
                if( menuDestroyed ) System.exit( 0 );
            }
        };

        addWindowListener( listener );

        show();
    }

    public void actionPerformed( ActionEvent e )
    {
        // change icon button was pressed
        if( e.getActionCommand().equals( "change icon" ) )
        {
            if( currentIndexIcon == 0 ) currentIndexIcon = 1;
            else currentIndexIcon = 0;

            SysTrayMenu.changeIcon( currentIndexIcon );
        }
        // change tooltip button was pressed
        else if( e.getActionCommand().equals( "change tooltip" ) )
        {
            if( currentIndexTooltip == 0 ) currentIndexTooltip = 1;
            else currentIndexTooltip = 0;

            SysTrayMenu.changeTooltip( toolTips[ currentIndexTooltip ] );
        }
        // destroy button was pressed
        else if( e.getActionCommand().equals( "destroy" ) )
        {
            SysTrayMenu.destroy();
            menuDestroyed = true;
        }
        // systray icon was left-clicked
        else if( e.getActionCommand().equals( "show" ) )
        {
            show();
        }
        // the exit item was selected
        else if( e.getActionCommand().equals( "exit" ) )
        {
            SysTrayMenu.destroy();
            System.exit( 0 );
        }
        // the about item was selected
        else if( e.getActionCommand().equals( "about" ) )
        {
            javax.swing.JOptionPane.showMessageDialog( this, "SysTray for Java, version "
                + SysTrayMenu.getVersion() + "\n(C) SnoozeSoft 2002" );
        }
        // other items
        else javax.swing.JOptionPane.showMessageDialog( this, e.getActionCommand() );
    }

    // menu initialization
    public static void main( String[] args ) throws Exception
    {
        UIManager.setLookAndFeel( UIManager.getSystemLookAndFeelClassName() );

        STMenuTest theApp = new STMenuTest();

        // The text displayed on each menu item.
        String[] items = { "Exit", SysTrayMenu.SEPARATOR, "About", SysTrayMenu.SEPARATOR,
            "Ringo", "George", "Paul", "John" };

        // The ActionCommands assigned to the items.
        String[] actionCommands = { "exit", null, "about", null, "Ringo", "George", "Paul", "John" };

        // The icons
        String[] icons = { "duke.ico", "duke_up.ico" };

        // Initialize the menu
        SysTrayMenu.init( toolTips[ 0 ], theApp, "show", items, actionCommands, icons );
    }
}

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