帝国CMS内容页怎么调用会员组ID

<?php
require("class/connect.php");
include("class/db_sql.php");
include("config/config.php");
include("data/dbcache/class.php");
$link=db_connect();
$empire=new mysqlquery();
$classid=intval($_GET['classid']);
$id=intval($_GET['id']);
$muserid=(int)getcvar('mluserid');//用户id
$musername=RepPostVar(getcvar('mlusername'));//用户名
$mgroupid=(int)getcvar('mlgroupid');//会员组id
$r=$empire->fetch1("select id,title from {$dbtbpre}ecms_".$class_r[$classid][tbname]." where id='$id' and classid='$classid' limit 1");
if($mgroupid == 1){?>
document.write('会员等级不够');
<?}
if($mgroupid == 2){?>
document.write('标题：<?=$r[title]?>');
<?
}else{?>
document.write('请登录');
<?php
}
db_close();
$empire=null;
?>

<script src="[!--news.url--]e/show.php?classid=[!--classid--]&id=[!--id--]"></script>