if (document.images) {
image0 = new Image;
image1 = new Image;
image2 = new Image;
image3 = new Image;
image4 = new Image;
image0.src = 'images/monday_section.png';
image1.src = 'images/tuesday_section.png';
image2.src = 'images/wednesday_section.png';
image3.src = 'images/thursday_section.png';
image4.src = 'images/friday_section.png';
} else {
image0 = '';
image1 = '';
image2 = '';
image3 = '';
image4 = '';
document.rollimg = '';
}