if (document.images) {
  image0 = new Image;
  image1 = new Image;
  image2 = new Image;
  image3 = new Image;
  image4 = new Image;
  image5 = new Image;
  image6 = new Image;
  image7 = new Image;
  image8 = new Image;
  image0.src = 'images/01_rose_01.jpg';
  image1.src = 'images/01_rose_02.jpg';
  image2.src = 'images/01_rose_03.jpg';
  image3.src = 'images/01_rose_04.jpg';
  image4.src = 'images/02_aif_01.jpg';
  image5.src = 'images/02_aif_02.jpg';
  image6.src = 'images/03_paradox_01.jpg';
  image7.src = 'images/03_paradox_02.jpg';
  image8.src = 'images/03_paradox_03.jpg';
  } else {
  image0 = '';
  image1 = '';
  image2 = '';
  image3 = '';
  image4 = '';
  document.rollimg = '';
}