禁止站外提交表单

%
server_v1=Cstr(Request.ServerVariables("HTTP_REFERER"))
server_v2=Cstr(Request.ServerVariables("SERVER_NAME"))
if mid(server_v1,8,len(server_v2))>server_v2 then
response.write "br>br>center>table border=1 cellpadding=20 bordercolor=black bgcolor=#EEEEEE width=450>"
response.write "tr>td style='font:9pt Verdana'>"
response.write "你提交的路径有误，禁止从站点外部提交数据请不要乱该参数！"
response.write "/td>/tr>/table>/center>"
response.end
end if
%>