if (document.images) {
image0 = new Image;
image1 = new Image;
image2 = new Image;
image3 = new Image;

image0.src = 'images/portsou_rotate_brown.gif';
image1.src = 'images/portsou_rotate_bergundy.gif';
image2.src = 'images/portsou_rotate_white.gif';
image3.src = 'images/portsou_rotate_pink.gif';

} else {
image0 = '';
image1 = '';
image2 = '';
image3 = '';
document.rollimg = '';
}