JApplet中不能显示图片!!

[sbqakqux]

源代码如下:
import javax.swing.*;
import java.awt.*;
import java.applet.*;
public class Customer extends JApplet
{
//Variable for the panel
JPanel panelObject;

//Variables of labels
JLabel labelCustCellNo;
JLabel labelCustName;
JLabel labelCustPackage;
JLabel labelCustAge;
JLabel logoimagePosition;

//Variables for data entry controls
JTextField textCustCellNo;
JTextField textCustName;
JComboBox comboCustPackage;
JTextField textCustAge;

public void init()
{
// Add appropriate controls to the frame
// Create panel
panelObject = new JPanel();
getContentPane().add(panelObject);
//Create and add the appropriate controls

// Initializing labels
labelCustCellNo = new JLabel("Cell Number");
labelCustName = new JLabel(" Name");
labelCustPackage = new JLabel("Package");
labelCustAge = new JLabel("Age");

//Initializing textfield
textCustCellNo = new JTextField(15);
textCustName = new JTextField(30);
textCustAge = new JTextField(2);

String packages[] = { "Executive", "Standard"};
comboCustPackage = new JComboBox(packages);

Icon logoImage = new ImageIcon("CellGO.gif");

logoimagePosition = new JLabel(logoImage);

panelObject.add(logoimagePosition);

//Adding controls for Cell Number
panelObject.add(labelCustCellNo);
panelObject.add(textCustCellNo);

//Adding controls for Customer Name
panelObject.add(labelCustName);
panelObject.add(textCustName);

//Adding controls for customer Package
panelObject.add(labelCustPackage);
panelObject.add(comboCustPackage);

//Adding controls for customer Age
panelObject.add(labelCustAge);
panelObject.add(textCustAge);

}
}