if (document.images) {
image1 = new Image;
image2 = new Image;
image3 = new Image;
image4 = new Image;
image5 = new Image;
image6 = new Image;
image1.src = $imgvar + '1.jpg';
image2.src = $imgvar + '2.jpg';
image3.src = $imgvar + '3.jpg';
image4.src = $imgvar + '4.jpg';
image5.src = $imgvar + '5.jpg';
image6.src = $imgvar + '6.jpg';
} else {
image1 = '';
image2 = '';
image3 = '';
image4 = '';
image5 = '';
image6 = '';
document.rollimg = '';
}