document.write('<ul id="rotator">');

document.write('<li><img src="images/photo-sustain1.jpg" width="220" height="315" border="0" alt="" /></li>');
document.write('<li><img src="images/photo-sustain2.jpg" width="220" height="315" border="0" alt="" /></li>');
document.write('<li><img src="images/photo-sustain3.jpg" width="220" height="315" border="0" alt="" /></li>');

document.write('</ul>');