Login - Timed out, asp, ms acsess, vbScript

i want to make a login session for 20 minutes

if i wrote the following code, then it is giving the dafault value is 20

Code:

---

<%
response.write("<p>")
response.write("Default Timeout is: " & Session.Timeout)
%>

---

But my system is asking for login in an average 2 or 3 minutes.

so, what should i do?

Please help me.

apne bap ke bund mare harame...

Uhh... English please.