<%
Option explicit
Response.Buffer = True
With Response
 .Expires = -1
 .AddHeader "Pragma","no-cache"
 .AddHeader "cache-ctrol","no-cache"
End With
NumCode
Function NumCode()
    Response.Expires = -1
    Response.AddHeader "Pragma","no-cache"
    Response.AddHeader "cache-ctrol","no-cache"
    dim zNum,i,j
    dim Ados,Ados1
    Randomize timer
    zNum = cint(8999*Rnd+1000)
    Session("GetCodebbs") = zNum
    dim zimg(4),NStr
        NStr=cstr(zNum)
        For i=0 to 3
            zimg(i)=cint(mid(NStr,i+1,1))
        Next
    dim Pos
    set Ados=Server.CreateObject("Adodb.Stream")
        Ados.Mode=3
        Ados.Type=1
        Ados.Open
        set Ados1=Server.CreateObject("Adodb.Stream")
        Ados1.Mode=3
        Ados1.Type=1
        Ados1.Open
        Ados.LoadFromFile(Server.mappath("body.Fix"))
        Ados1.write Ados.read(1280)
        for i=0 to 3
            Ados.Position=(9-zimg(i))*320
            Ados1.Position=i*320
            Ados1.write ados.read(320)
        next    
        Ados.LoadFromFile(Server.mappath("head.fix"))
        Pos=lenb(Ados.read())
        Ados.Position=Pos
        for i=0 to 9 step 1
            for j=0 to 3
                Ados1.Position=i*32+j*320
                Ados.Position=Pos+30*j+i*120
                Ados.write ados1.read(30)
            next
        next
        Response.ContentType = "image/BMP"
        Ados.Position=0
        Response.BinaryWrite Ados.read()
        Ados.Close:set Ados=nothing
        Ados1.Close:set Ados1=nothing
End Function
%>