document.write('<div class="fontsize">');
document.write('<h2>文字サイズ</h2>');
document.write('<ul>');
document.write('<li class="item1"><a href="javascript:;" onclick="setActiveStyleSheet(\'small\'); return false;" class="small">小</a></li>');
document.write('<li class="item2"><a href="javascript:;" onclick="setActiveStyleSheet(\'medium\'); return false;" class="medium">中</a></li>');
document.write('<li class="item3"><a href="javascript:;" onclick="setActiveStyleSheet(\'large\'); return false;" class="large">大</a></li>');
document.write('</ul>');
document.write('</div>');