求大神帮我解译一下代码ASP,这里只显示二级分类
<!--栏目分类开始-->
<div class="leftMenu">
{sdcms:rs table="sd_category" where="cateid=[topid]" order="ordnum,cateid"}
<div class="title"><h3>{$rs[catename]}</h3><span>{$rs[catepic]}</span></div>{/sdcms:rs}
<ul class="list">
{sdcms:rs top="50" table="sd_category" where="followid=[topid]" order="ordnum,cateid" var="cid:cateid"}
{rs:eof}<li class="hover"><a class="sub1" href="{sdcms.getcateurl(topid)}">{sdcms.getcatename(topid)}</a></li>{/rs:eof}
<li {sdcms.is_current(parentid,$rs[cateid],"class=""hover""")}><a class="sub1" href="{weburl}{$rs[link]}" title="{$rs[catename]}">{sdcms.cutstr($rs[catename],14,1)}</a>
{if instr($rs[sonid],",")>0}
<div class="box">
{sdcms:rp top="0" table="sd_category" where="followid=[cid]" order="ordnum,cateid"}
<a href="{weburl}{$rp[link]}" title="{$rp[catename]}">{sdcms.cutstr($rp[catename],16,1)}</a>{/sdcms:rp}
</div>{/if}</li>{/sdcms:rs}
</ul></div>
<!--栏目分类结束-->