dedecms 5.7 sp1模板怎么添加下拉菜单

<div id=”navMenu”>
<ul>
<li><a href=”{dede:global.cfg_cmsurl/}/”>首页</a></li>
{dede:channel type=’top’ row=’6′ currentstyle=”<li class=’hover’><a href=’~typelink~’ ~rel~>~typename~</a></li>”}
<li><a href=’[field:typeurl/]‘ [field:rel/]>[field:typename/]</a></li>
{/dede:channel}
</ul>
</div>

<script type=’text/javascript’ src=’{dede:global.cfg_cmsurl/}/images/js/dropdown.js’></script>
{dede:channelartlist typeid=’top’ cacheid=’channelsonlist’}<ul id=”dropmenu{dede:field.typeid/}”>
{dede:channel type=’son’ noself=’yes’}  <li><a href=”[field:typelink/]“>[field:typename/]</a></li>
{/dede:channel}
</ul>
{/dede:channelartlist}
<script type=”text/javascript”>cssdropdown.startchrome(“navMenu”)</script>

/*——– 下拉菜单 ————–*/
.dropMenu {
position:absolute;
top: 0;
z-index:100;
width: 80px;
visibility: hidden;
margin-top: -1px;
border: 1px solid #003366;
border-top: 0px solid #3CA2DC; background-color:#FFFFFF;
padding-top:6px;
padding-bottom:6px;
}
.dropMenu li {
margin-top:2px;
margin-bottom:4px;
padding-left:0px;
} // www.jbxue.com
.dropMenu a {
width: auto;
display: block;
color: black;
padding: 2px 0 2px 1.2em;
}
* html .dropMenu a {
width: 100%;
}
.dropMenu a:hover {
color:red;
text-decoration: underline;
}