var facebook_loaded=false;var facebook_initialized=false;function Facebook(_consumer)
{var consumer='';if(typeof(_consumer)!="undefined")
consumer=_consumer;var permissions={"read_friendlists":"friends","read_stream":"feed","offline_access":"feed"};var me=this;var timeout=500;var user=null;var auth=null;var dom=new Dom();var condition_function=function(){return facebook_initialized;};var loop=function(callback){var result=async_loop(condition_function,callback);};this.get_error_log=function(){return"";};(function(){if(facebook_loaded)
return;facebook_loaded=true;$.getJSON("/appAuth/key/facebook/"+consumer,function(data)
{if(data.request=='success')
{window.fbAsyncInit=function(){if(facebook_initialized)
return;FB.init({appId:data.key,status:true,cookie:true,xfbml:true});me.set_callback();facebook_initialized=true;};var script=dom.new_script(document.location.protocol+"//connect.facebook.net/en_US/all.js");dom.add_to_object("fb-root",script);}});}());this.set_callback=function(callback){me.on_logout(callback);me.on_login(callback);me.on_existing_connection(callback);};var login=function(callback){loop(function(){var permission_string='';for(var permission in permissions)
permission_string+=","+permission;if(permission_string!='')
permission_string=permission_string.substring(1);FB.login(function(response){manage_callback(response,callback);},{perms:permission_string});});};var logout=function(callback){loop(function(){FB.logout(function(response){manage_callback(response,callback);});});}
var manage_callback=function(response,callback){loop(function(){if(response.session){auth=response.session;FB.api("/me?metadata=1",function(current_user){user=current_user;if(typeof(callback)=='function')
callback(me.has_permissions());});}else{auth=null;user=null;if(typeof(callback)=='function')
callback(false);}});}
this.on_like=function(callback){loop(function(){FB.Event.subscribe('edge.create',function(response){manage_callback(response,callback);});});};this.on_logout=function(callback){loop(function(){FB.Event.subscribe('auth.logout',function(response){manage_callback(response,callback);});});};this.on_login=function(callback){loop(function(){FB.Event.subscribe('auth.login',function(response){manage_callback(response,callback);});});};this.on_existing_connection=function(callback){loop(function(){FB.getLoginStatus(function(response){manage_callback(response,callback);});});};this.manage_login=function(login_object_id,login_button_id,logout_object_id,logout_button_id,callback){var toggle_buttons=function(authed){if(authed){$(login_object_id).hide("fast",function(){$(logout_object_id).show();});}else{$(logout_object_id).hide("fast",function(){$(login_object_id).show();});}};me.set_callback(callback);me.on_existing_connection(toggle_buttons);$(login_button_id).click(function(event){login(toggle_buttons);event.preventDefault();});$(logout_button_id).click(function(event){logout(toggle_buttons);event.preventDefault();});}
this.get_user=function(){return user;};this.get_auth=function(){return auth;};this.has_permissions=function(){if(user==null||auth==null)
return false;try{for(var permission in permissions)
if(typeof(user.metadata.connections[permissions[permission]])==undefined)
return false;}catch(err){return false;}
return true;}};