<%
dim ComeUrl,cUrl,AdminName

ComeUrl=lcase(trim(request.ServerVariables("HTTP_REFERER")))
if ComeUrl="" then
	response.write "<br><p align=center><font color='red'>对不起，为了系统安全，不允许直接输入地址访问本系统的后台管理页面。</font></p>"
	response.end
else
	cUrl=trim("http://" & Request.ServerVariables("SERVER_NAME"))
	if mid(ComeUrl,len(cUrl)+1,1)=":" then
		cUrl=cUrl & ":" & Request.ServerVariables("SERVER_PORT")
	end if
	cUrl=lcase(cUrl & request.ServerVariables("SCRIPT_NAME"))
	if lcase(left(ComeUrl,instrrev(ComeUrl,"/")))<>lcase(left(cUrl,instrrev(cUrl,"/"))) then
		response.write "<br><p align=center><font color='red'>对不起，为了系统安全，不允许从外部链接地址访问本系统的后台管理页面。</font></p>"
		response.end
	end if
end if

AdminName=replace(session("AdminName"),"'","")
if AdminName="" then
	call CloseConn()
	response.redirect "login.asp"
	response.End()
end if
sql="select UserName from Admin where UserName='" & session("AdminName") & "' and Password='" & session("AdminPassword") & "'"
set rs=conn.execute(sql)
if rs.eof and rs.bof then
  rs.close
  response.Redirect("login.asp")
  response.End()
end if
%>
