if (document.images) {
image0 = new Image;
image1 = new Image;
image2 = new Image;
image3 = new Image;
image4 = new Image;
image5 = new Image;
image6 = new Image;
image0.src = 'images\/mapcamden.jpg';
image1.src = 'images\/mapphila.jpg';
image2.src = 'images\/mapbucks.jpg';
image3.src = 'images\/mapmont.jpg';
image4.src = 'images\/mapchest.jpg';
image5.src = 'images\/mapdela.jpg';
} else {
image0 = '';
image1 = '';
image2 = '';
document.rollimg = '';
}