HTML的基本布局,主要是导航的基本代码,<div class="bg">
<div id="nav">
<a href="#" class="a_sy" onMouseOver="document.all.one.style.visibility='' "onMouseOut="document.all.one.style.visibility='hidden'"><b>商城首页</b></a>
<a href="#" class="a_qb" onMouseOver="document.all.two.style.visibility='' "onMouseOut="document.all.two.style.visibility='hidden'"><b>淡斑</b></a>
<a href="#" class="a_qd"><b>祛痘</b></a>
<a href="#" class="a_qht"><b>去黑头</b></a>
<a href="#" class="a_qht"><b>去黄</b></a>
<a href="#" class="a_qz"><b>祛皱</b></a>
<a href="#" class="a_wz"><b>微针</b></a>
<a href="#" class="a_jtth"><b>今天特惠</b></a>