document.open();
document.write('<ul id="size">');
document.write('<li id="medium" class="sizeM"><a href="javascript:void(0);"><span>normal</span></a></li>');
document.write('<li id="large" class="sizeL"><a href="javascript:void(0);"><span>large</span></a></li>');
document.write('</ul>');
document.close();