gistfile1.coffee

$(document).ready ->
  $("#fb-root").append "<script type=\"text/javascript\" src=\"#{document.location.protocol}//connect.facebook.net/en_GB/all.js\" async=\"true\"></script>"
  
  window.fbAsyncInit = () ->
    
    FB.init
      appId: '172659579460514'
      status: true
      cookie: true 
      xfbml: true
      
    FB.Event.subscribe 'auth.login', (response) ->
      FB.api '/me', (response) ->
        $authorId = response.id
        $authorName = response.name
      
    FB.Event.subscribe 'auth.logout', (response) ->
      $authorId = ""
      $authorName = ""
    
    FB.getLoginStatus (response) ->
      if response.session
        FB.api '/me', ->
          $authorId = response.id
          $authorName = response.name
      else
        $authorId = ""
        $authorName = ""