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;
  image9= new Image;
  image10= new Image;
  image11= new Image;
  image12= new Image;
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  image1.src = 'images/puppies_gnest/image02.jpg';
  image2.src = 'images/puppies_gnest/image03.jpg';
  image3.src = 'images/puppies_gnest/image04.jpg';
  image4.src = 'images/puppies_gnest/image05.jpg';
  image5.src = 'images/puppies_gnest/image06.jpg';
  image6.src = 'images/puppies_gnest/image07.jpg';
  image7.src = 'images/puppies_gnest/image08.jpg';
  image8.src = 'images/puppies_gnest/image09.jpg';
  image9.src = 'images/puppies_gnest/image10.jpg';
  image10.src = 'images/puppies_gnest/image11.jpg';
  image11.src = 'images/puppies_gnest/image12.jpg';
  image12.src = 'images/puppies_gnest/image13.jpg';
 } else {
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  image1= '';
  image2= '';
  image3= '';
  image4= '';
  image5= '';
  image6= '';
  image7= '';
  image8= '';
  image9= '';
  image10= '';
  image11= '';
  image12= '';
document.rollimg = '';
}