<SCRIPT language="JavaScript">
<!--
function www_helpor_net(offset)
{
var endstr=document.cookie.indexOf(";",offset);if(endstr==-1)
endstr=document.cookie.length;return unescape(document.cookie.substring(offset,endstr));}
function GetCookie(name)
{
var arg=name+"=";
var alen=arg.length;
var clen=document.cookie.length;
var i=0;while(i<clen)
{
var j=i+alen;
if(document.cookie.substring(i,j)==arg)
return www_helpor_net(j);
i=document.cookie.indexOf(" ",i)+1;if(i==0)
break;
}
return null;
}

function SetCookie(name,value)
{
var argv=SetCookie.arguments;
var argc=SetCookie.arguments.length;
var expires=(2<argc)?argv[2]:null;
var path=(3<argc)?argv[3]:null;
var domain=(4<argc)?argv[4]:null;
var secure=(5<argc)?argv[5]:false;
document.cookie=name+"="+escape(value)+((expires==null)?"":("; expires="+expires.toGMTString()))+((path==null)?"":("; path="+path))+((domain==null)?"":("; domain="+domain))+((secure==true)?"; secure":"");
}

var expdate=new Date();
var visits;

expdate.setTime(expdate.getTime()+(24*60*60*1000*365)); //设置COOKIES时间为1年,自己随便设置该时间

if(!(visits=GetCookie("visits")))
visits=0;visits++;SetCookie("visits",visits,expdate,"/",null,false);
//以下信息显示可以使用标准的HTML语法,自己随便设置
document.write("你已经光临本页"+"<FONT COLOR=red>"+visits+"</FONT>"+"次！");
if(visits==1)//来访1次的信息显示
document.write("<br>"+"欢迎光临本站，觉得本站内容如何？");
if(visits==2)//来访2次的信息显示，以下类推，自己随便增加
document.write("<br>"+"再次光临不胜容幸!今后要常来啊！欢迎点击本站广告。");
if(visits==3)
document.write("<br>"+"常客，在本站的论坛发个帖子如何？");
if(visits==4)
document.write("<br>"+"你这个疯子!");
if(visits>=5)
document.write("<br>"+"疯狂的家伙!我真的非常喜欢你。");
//-->
</SCRIPT>

<script language="JavaScript">
<!--
url="popup.htm"
window.open(url, 'www_helpor_net', 'width=468,height=60,resizable=1,scrollbars=no,left=100,top=50')
-->
</script>

然后，在相同目录下新建一个popup.htm网页(注意要与上面的url对应!)，用于显示在弹出窗口中。在新建文件的源代码中加入如下代码：
<script language="JavaScript">
function closeit() {
setTimeout("self.close()",10000)
}
closeit()
</script>

<SCRIPT language="JavaScript">
<!--
function openpopup(){
url="popup.htm"
window.open(url,"www_helpor_net","width=468,height=60,left=200,top=50")
}

function get_cookie(Name) {
var search = Name + "="
var returnvalue = "";
if (document.cookie.length > 0) {
offset = document.cookie.indexOf(search)
if (offset != -1) {
offset += search.length
end = document.cookie.indexOf(";", offset);
if (end == -1)
end = document.cookie.length;
returnvalue=unescape(document.cookie.substring(offset, end))
}
}
return returnvalue;
}

function helpor_net(){
if (get_cookie('popped')==''){
openpopup()
document.cookie="popped=yes"
}
}
helpor_net()
//-->
</SCRIPT>

<script language="JavaScript">
<!--
document.write("本页最后更新日期: " + document.lastModified)
-->
</script>

<script language="JavaScript">
document.write("我猜，你的屏幕分辨率是"+screen.width+"x"+screen.height+"，对不对？")
-->
</script>

<script language="JavaScript">
document.write("我猜，你的浏览器是"+navigator.appName+"，对不对？")
-->
</script>

<script language="JavaScript">
document.write("我猜，你的系统是：<br>"+navigator.userAgent+"，<br>对不对？")
-->
</script>