body안에 있는 폰트 크기 조절
<ul>
<li class="font">
<img src="/images/tit_utill.gif" alt="글자크기" />
<a href="#font-bigger" id="font-size-bigger"><img src="/images/btn_plus.gif" alt="글자크게" /></a>
<a href="#font-normal" id="font-size-normal"><img src="/images/btn_basic.gif" alt="글자기본" /></a>
<a href="#font-smaller" id="font-size-smaller"><img src="/images/btn_minus.gif" alt="글자작게" /></a>
</li>
</ul>
<script type="text/javascript" src="/js/fontzoom.js"></script>