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

document.write('<li><img src="images/photo1.jpg" width="467" height="318" border="0" alt="" /></li>');
document.write('<li><img src="images/photo2.jpg" width="467" height="318" border="0" alt="" /></li>');
document.write('<li><img src="images/photo3.jpg" width="467" height="318" border="0" alt="" /></li>');

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