if (document.images) {
image0 = new Image;
image1 = new Image;
image2 = new Image;
image0.src = 'images/gallery/pergola/pergola01.jpg';
image1.src = 'images/gallery/pergola/pergola02.jpg';
image2.src = 'images/gallery/pergola/pergola03.jpg';
} else {
image0 = '';
image1 = '';
image2 = '';
document.rollimg = '';
}