Undefined local variable or method `fb_connect_javascript_tag'

Hi All,

Am using facebooker-rails3 gem for facebook login in my application. I
have given as following in my layout,

<%= fb_connect_javascript_tag %>
<%= init_fb_connect “XFBML”%>

but am getting following error.

“undefined local variable or method `fb_connect_javascript_tag’”

I have configured facebooker.yml in config folder.

Awaiting for your valuable response. Please do help me.

Thanks,
Priya