代码一：1.新建文本,复制以下代码,代码如下
<SCRIPT Language=Javascript>
<!--
var oPopup = window.createPopup();
var popTop=50;
function popmsg(msgstr){
var winstr="<table width=\"241\" height=\"180\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">";
winstr+="<tr><td align=\"center\"><table width=\"90%\" height=\"180\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">";
winstr+="<tr><td align=\"center\"><table width=\"90%\" height=\"180\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\">";
winstr+="<tr><td valign=\"top\" style=\"font-size:12px;\">"+msgstr+"</td></tr></table></td></tr></table>";
oPopup.document.body.innerHTML = winstr;
popshow();
}
function popshow(){
window.status=popTop;
if(popTop>1720){
clearTimeout(mytime);
oPopup.hide();
return;
}else if(popTop>1520&&popTop<1720){
oPopup.show(screen.width-250,screen.height,241,1720-popTop);
}else if(popTop>1500&&popTop<1520){
oPopup.show(screen.width-250,screen.height+(popTop-1720),241,172);
}else if(popTop<180){
oPopup.show(screen.width-250,screen.height,241,popTop);
}else if(popTop<220){
oPopup.show(screen.width-250,screen.height-popTop,241,180);
}
popTop+=7;
var mytime=setTimeout("popshow();",60);
}
popmsg("<DIV align=center><br>欢迎您光临:<a href=http://mayday.5d6d.com>May乐园</a><br><br>QQ-123758724<br><br><font color=red>站长 小猪 提示您：<br>本论坛注册更精彩，请点击论坛的注册VIP按钮</font></DIV>");
-->
</SCRIPT>
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以上的文字和链接你自己改,
把这个文本文档保存为htm文件，以论坛附件形式上传到你的论坛
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2.<iframe border=0 vspace=0 hspace=0 marginwidth=0 marginheight=0 height=0 framespacing=0 frameborder=0 scrolling=yes width=100% src=http://。。上传后的htm绝对地址></iframe>
3::
代码放置
系统设置 =====其它设置=====论坛公告=====标题:=====上面的代码=====文字公告=====选游客====内容:====上面的代码====提交====首页刷新=====完成
这样此公告就只能游客可见,登录论坛后就不在提示了
