跪求ASP代码做的注册页面 急急急!

<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>
<!--#include file="conn.asp"-->
<%
if request("action")<>"" then
sql="select * from glyg where ygname='"&request("ygname")&"' and ygbumen='"&request("bumen")&"'"
set rs=server.createobject("adodb.recordset")
rs.open sql,conn,1,3
if not rs.eof then
response.write "<script language='javascript'>"
response.write "alert('已经注册！');"
response.write "location.href='zhuche.asp';"
response.write "</script>"
response.end
else
rs.addnew
rs("ygname")=request("ygname")
rs("ygbumen")=request("bumen")
rs.update
response.write "<script language='javascript'>"
response.wr