title: login option on website
body: <p>i made a website,  i have a webpage <a href="http://www.itstanmoy.in/download.html/" rel="nofollow">http://www.itstanmoy.in/download.html/</a> on that website. i want when i guest try to access that page he/she have to login via facebook, how can i do this?</p>