// Type the number of images you are rotating.

NumberOfImagesToRotateBR = 48;


// Specify the first and last part of the image tag. 

FirstPartBR = '<img src="/images/bubbles/BR-';
LastPartBR = '.jpg" width="170" height="130" />';

function printImageBR() {
var r = Math.ceil(Math.random() * NumberOfImagesToRotateBR);
document.write(FirstPartBR + r + LastPartBR);
}