Twitter connect using authlogic in rails 3

Hi all,

I have followed the steps in this website.
http://github.com/jrallison/authlogic_oauth/

came with this error

undefined method `oauth_login_button' for #<#<Class:0xb6a7b76c>:
0xb6a79f70>

Extracted source (around line #16):

13: <br />
14: <%= f.submit "Login" %>
15:
16: <%= oauth_login_button :value => "Login with Twitter", :class =>
'twitter' %>
17: <% end %>

help me to fix

thxs in advance

IN RAILS 3 in faced this issue.