小弟我研究了几天还是不懂,还望高手帮忙指点!多谢

我研究了几天还是不懂,还望高手帮忙指点!谢谢!
我用ASP做一个BBS系统,其中用下拉列表统计在线用户,本来要达到的效果是:通过下列表选中用户名然后转到guestinfo.asp查看该用户的信息.可是结果功能没达到,下面的代码我也不知道那里错了,帮我看看好吗?谢谢了.

<%
Set conn=Server.CreateObject( "ADODB.Connection ")

connstr= "Provider=SQLOLEDB.1;Password=123456;Persist Security Info=True;User ID=sa;Initial Catalog=shujuku;Data Source=(local);Connect Timeout=15 "
conn.Open connstr
set rs=server.CreateObject( "adodb.recordset ")
serialnum=request.querystring( "serialnum ")
query= "select*from currentuser where serialnum= ' "&serialnum& " ' "
rs.open query,conn,1,3

%>
<%check =request( "serialnum ")%>

<html>

<head>
<meta http-equiv= "Content-Type " content= "text/html; charset=gb2312 ">
<meta http-equiv= "refresh " content= "10;url=userlist.asp?serialnum= <%=request( "serialnum ")%> ">
<title> 当前用户列表 </title>
<style type= "text/css ">

</style>

<%
sql= "select * from ever_user where uid in( "
sql=sql& "select uid from currentuser where serialnum= ' "&request( "serialnum ")& " ') "
set save_rs=conn.execute(sql)
if save_rs.eof or save_rs.bof then
response.write "你的帐号已经过期,请重新登录或注册新的用户。 <br> "
response.end
else
if isnull(save_rs( "totaltime "))then
totaltime=0
else
totaltime=save_rs( "totaltime ")
end if
totaltime=totaltime+1
sql= "update ever_user set totaltime= ' "&totaltime& " ' where uid= ' "&save_rs( "uid ")& " ' "
conn.execute(sql)
end if
set currentuserrs=conn.execute( "select*from currentuser ")
set newfile=conn.execute( "select*from new_essay ")

on error resume next
currentuserrs.movefirst
newfile.movefirst
if not currentusers.eof then
%>
<script language= "javascript ">
<!--

//window.alert( "guestinfo.asp? "&&document.user.userid.options[selectedindex].value)
function go()
{
if(document.user.userid.selectedindex!=0)
{
index=document.user.userid.selectedindex
parent.frames.[2].location.href= "guestinfo.asp? "+document.user.userid.option[index].value
//window.alert( "guestinfo.asp? "+document.user.userid.options[index].value)
}
}
function readnew()
{
if(document.user.newfile.selectedindex!=0)
{
index=document.user.newfile.selectedindex
parent.frames[2].location.href=document.user.newfile.option[index].value
}
}
//-->
</script>
</head>

<body bgcolor= "#99CCFF " link= "#ff0000 " vlink= "#0000ff " alink= "#008080 ">
<form method= "post " name= "user " action= " " onsubmit= " ">

<p>  
<p>  
<p> <b> <font face= "华文楷体 "color= "#000000 "size= "2 "> 在线用户: </font> </b>
<p>
<select size= "1 " name= "userid " style= "font-size:8pt;color:#0000ff ">
<option value= "all " selected> 所有成员 </option>
<%
do while not currentuserrs.eof%>
<option
value= " <%=request( "serialnum ")%> &target= <%=currentuserrs( "uid ")%> ">
<%=currentuserrs( "uid ")%> </option>
<%
currentuserrs.movenext
loop
%> &nbsp

</select>

<p> <b> <font face= "华文楷体 " color= "#000000 "size= "2 "> 最新发表文章列表: </font> </b>
<p> <font color= "#000000 ">
<select size= "1 " name= "newfile " style= "font-size:8pt;color:#0000ff " onclick= "readnew() ">
<option> 新文章 </option>
<%do while not newfile.eof%>
<option value= "showdetial.asp?serialnum= <%=request( "serialnum ")%> &
num= <%=newfile( "fileid ")%> "selected> <%=newfile( "uid ")%> -- <%=newfile( "theme ")%> </option>
<%

newfile.movenext
loop
%>
</select>
</font>
<p> <font face= "华文楷体 " color= "#000000 " size= "2 "> <b> <a href= "list.asp?serialnum= <%=request( "serialnum ")%> "target= "top "> 刷新文章 </a> </b> </font>
<p> <font face= "华文楷体 " color= "#ff0000 " size= "2 "> <b> <a href= "addnew.asp?serialnum= <%=request( "serialnum ")%> "target= "bottom "> <font color= "#000000 "> 发表文章 </font>
<br>
<br> </a> </b> </font>
<%
sql= "select info,newinfo,currentuser.uid from ever_user,currentuser where ever_user.uid=currentuser.uid and currentuser.serialnum= ' "&request( "serialnum ")& " ' "
set info=conn.execute(sql)
%>
<%if info( "newinfo ")=0 then
title= "查看以前的留言 "
else
title= "朋友给你的留言 "
end if%>
<b>
<font face= "华文楷体 " color= "#ff0000 " size= "2 ">
<a href= "showinfo.asp?
serialnum= <%=request( "serialnum ")%> " target= "bottom ">
<% =title %> </a> </font>
<br>
</form>
<% end if %>
<p> </p>
</body>
</html>

[解决办法]
function go()
{
if(document.user.userid.selectedindex!=0)
{
index=document.user.userid.selectedindex
parent.frames.[2].location.href= "guestinfo.asp? "+document.user.userid.option[index].value
//－－这里guestinfo.asp?后面的参数名称怎么没有了？——————
}
}

[解决办法]
<select size= "1 " name= "userid " style= "font-size:8pt;color:#0000ff "　onclick= "javascript:parent.frames.[2].location.href= 'guestinfo.asp?aa= '+this.options[this.selectedIndex].value
">
//aa为自定义的参数名称，badwish(阿良(努力寻找另一半)) 说的没错
//有这个参数名称你才可以在处理页面调用request.querystring( "aa ")获取

小弟我研究了几天还是不懂,还望高手帮

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