// JavaScript Document

NumberOfImagesToRotate = 3; 

FirstPart = '<img src="catalog/view/theme/ditto/images/banner-0';
LastPart = '.jpg" width="773" height="230" alt="Ditto Fabrics - Online Fabrics, Dress Making Material and Sewing Supplies" />';

function printImage() {
var r = Math.ceil(Math.random() * NumberOfImagesToRotate);
document.write(FirstPart + r + LastPart);
}