三级菜单，显示一二两级，并高亮当前一级菜单。
<ul>
<li>
<a href="[!--news.url--]">首页</a>
</li>
[e:loop={"select classid,classname from {$dbtbpre}enewsclass where bclassid=0 order by myorder,classid desc",0,24,0}]
<?php
$classurl=sys_ReturnBqClassname($bqr,9);//取得栏目地址
$class="";
if($GLOBALS[navclassid])
{
$fcr=explode('|',$class_r[$GLOBALS[navclassid]][featherclass]);
$topbclassid=$fcr[1]?$fcr[1]:$GLOBALS[navclassid];//取得当前栏目的一级栏目ID
if($bqr[classid]==$topbclassid)
{
$class="current";
}
}
?>
<li class="<?=$class?>">
<a href="<?=$classurl?>">
<?=$bqr[classname]?>
</a>
<div class="sub-nav">
<dl>
<?php
$ecms_bq_sql2=sys_ReturnEcmsLoopBq("select classid,classname,classpath,classurl from [!db.pre!]enewsclass where bclassid='$bqr[classid]' order by myorder limit 10",20,24,0);
$bqno2=0;
while($bqr2=$empire->fetch($ecms_bq_sql2))
{
$bqsr2=sys_ReturnEcmsLoopStext($bqr2);
$bqno2++;
?>
<dd>
<a href="<?=$public_r[newsurl]?>/ title="<?=$bqr2[classname]?>" target="_self">
<?=$bqr2[classname]?>
</a>
</dd>
<?php
}
?>
</dl>
</div>
</li>
[/e:loop]
</ul>
current为高亮样式
