dedecms实现首页顶部会员登陆框的方法

<div class="header_top">
<div class="w960 center">
<span class="time" id="time">
<table border="0" align="center" >
<tr><td>
<div id="_userlogin">
<div class="userlogin">
<form name="userlogin" action="{dede:global.cfg_memberurl/}/index_do.php" method="POST">
<input type="hidden" name="fmdo" value="login" />
<input type="hidden" name="dopost" value="login" />
<input type="hidden" name="keeptime" value="604800" />
<div class="fb">用户名:<input type="text" name="userid" size="18" class="ipt-txt" />
密码:<input type="password" name="pwd" size="18" class="ipt-txt" />
验证码:<input type="text" name="vdcode" size="8" class="ipt-txt" />
<img align="center" src="{dede:global.cfg_cmsurl/}/include/vdimgck.php" />
<button type="submit" class="btn-1">登录</button>
<a href="{dede:global.cfg_memberurl/}/index_do.php?fmdo=user&dopost=regnew">注册帐号</a> <a href="{dede:global.cfg_memberurl/}/resetpassword.php">忘记密码?</a>
</form>
</div>
</div>
<!-- /userlogin -->
<script language="javascript" type="text/javascript">CheckLogin();</script>
</td></tr></table>
</span>
<div class="toplinks"><a href=""onclick="this.style.behavior='url(#default#homepage)';this.setHomePage('{dede:global.cfg_basehost/}');">设为首页</a> | <a href="javascript:window.external.AddFavorite('{dede:global.cfg_basehost/}','{dede:global.cfg_webname/}')">加入收藏</a> | <a href="{dede:global.cfg_cmsurl/}/data/sitemap.html" target="_blank">网站导航</a> | <a href="https://www.jb51.net">联系我们</a></div>
</div>
</div>

/*---------- head ---------*/
.header{
width:100%;
width:960px;
margin:auto;
overflow:hidden;
}
.header_top{
height:32px!important;
height:31px;
line-height:32px;
color:#676767;
overflow:hidden;
background:url(../images/top_bg.gif) repeat-x;
}
.center{
margin:0px auto;
}
.w960{
width:960px;
/*position:relative;*/
}
.header_top .time{
float:left;
padding-left:10px;
}
.header_top .toplinks{
float:right;
text-align:right;
}
.header_top .toplinks a{
margin:0 5px;
}
.header .top{
clear:both;
overflow:hidden;
margin-top:10px;
}
.header .title{
float:left;
}
.header .title h1 a{
width:386px;
height:58px;
display:block;
overflow:hidden;
}
.header .banner{
width:434px;
height:55px;
float:right;
margin-left:20px;
overflow:hidden;
}
.ipt-txt{
width:100px;
border:1px #CFCFCF solid;
}
.fb{
color:#333333;
}
.btn-1{
background: url("../images/comm-bt.gif") no-repeat scroll 0 0 transparent;
border: medium none;
color: #585858;
cursor: pointer;
height: 24px;
letter-spacing: 1px;
line-height: 25px;
overflow: hidden;
width: 70px;
}

<script language="javascript" type="text/javascript" src="{dede:global.cfg_cmsurl/}/include/dedeajax2.js"></script>
<script language="javascript" type="text/javascript">
<!--
$(function(){
$("a[_for]").mouseover(function(){
$(this).parents().children("a[_for]").removeClass("thisclass").parents().children("dd").hide();
$(this).addClass("thisclass").blur();
$("#"+$(this).attr("_for")).show();
});
$("a[_for=uc_member]").mouseover();
$("a[_for=flink_1]").mouseover();
});
function CheckLogin(){
var taget_obj = document.getElementById('_userlogin');
myajax = new DedeAjax(taget_obj,false,false,'','','');
myajax.SendGet2("{dede:global.cfg_cmspath/}/member/ajax_loginsta.php");
DedeXHTTP = null;
}
-->
</script>