how to set Window background transparent?

hello

i have a splash screen with an Image on it and i want the background of the Window object would be transparent, how can i do it?

here it is:

public class SplashWindow extendsJWindow{

public SplashWindow(){

try{

JLabel img=new JLabel(new ImageIcon("images/splash.gif"));

getContentPane().add(img);

setSize(473,534);

setLocation(300,300);

setVisible(true);

}catch(Exception e){

e.printStackTrace();

}

}

}

thank a lot.

[687 byte] By [amitmasl] at [2007-9-26 3:14:48]