document.write ('<ul>');
document.write ('<li><a href="http://www.cnieee.com" class="f_red" target="_blank">·广告位</a></li>');
document.write ('<li><a href="http://www.cnieee.com" class="f_red" target="_blank">·中国IEEE</a></li>');
document.write ('<li><a href="http://www.cnieee.com" class="f_green" target="_blank">·<font color="red">想学习软件编程吗！</font></a></li>');
document.write ('<li><a href="http://www.cnieee.com" class="f_red" target="_blank">·IEEE资料？</a></li>');
document.write ('<li><a href="http://www.cnieee.com" class="f_blue" target="_blank">·<font color="blue">单片机速成班</font></a></li>');
document.write ('<li><a href="http://www.cnieee.com" target="_blank">·电子知识学习</a></li>');
document.write ('</ul>');