var permission_email;

function onFBConnected(user_id) {
FB.init("f188b40cbd42d80ece1f226c183c195b","http://www.vainvacanza.it/xd_receiver.html"); 
document.getElementById('fb_login_box').innerHTML = '<fb:profile-pic uid="'+user_id+'" size="square" linked="true" />';
document.getElementById('fb_login_box').innerHTML += '&nbsp;&nbsp;Ciao&nbsp;<b><fb:name uid="'+user_id+'" useyou="false" firstnameonly="true" linked="false"></fb:name></b>&nbsp;&nbsp;<br>';
document.getElementById('fb_login_box').innerHTML += '<a href="javascript:popup_fb_invita(\'http://www.vainvacanza.it/fb/fbc/fb_invita.php\',\'fbinvita\',\'600\',\'640\',\'center\',\'front\');">Invita i tuoi amici</a>&nbsp;&nbsp;<br><br><br>';
document.getElementById('fb_login_box').innerHTML += '<a href="#" onClick="FB.Connect.logout()">Esci da Facebook</a><br>';
 
FB.Facebook.apiClient.users_hasAppPermission("publish_stream",function(hasPermission) {
if (hasPermission == 0) {

 FB.Connect.showPermissionDialog(
    "publish_stream,offline_access,email,user_events,create_event,sms,email,user_birthday,user_hometown,user_location,friends_hometown,friends_location",   // permission name(s)
    function(perms) {
   if (!perms) {
     alert("Attenzione!<br> Per un corretto funzionamento è necessario concedere tutti i permessi all'applicazione.<br>");
   }
   },false);
}
});

FB.Facebook.apiClient.users_hasAppPermission("user_events",function(hasPermission) {
if (hasPermission == 0) {

 FB.Connect.showPermissionDialog(
    "user_events,create_event",   // permission name(s)
    function(perms) {
   if (!perms) {
     alert("Attenzione!<br> Per un corretto funzionamento è necessario concedere tali permessi all'applicazione.<br>");
   }
   },false);
}
});

FB.init("f188b40cbd42d80ece1f226c183c195b","http://www.vainvacanza.it/xd_receiver.html"); 


} 
 
function onFBNotConnected() {


 //FB.init("f188b40cbd42d80ece1f226c183c195b","http://www.vainvacanza.it/xd_receiver.html");
document.getElementById("fb_login_box").innerHTML = "Non hai ancora effettuato<br> l'accesso a questo sito. <br><br>Accedi<br> con il tuo ";
document.getElementById("fb_login_box").innerHTML += "<b>Account <i>Facebook</i></b><br> "; 
document.getElementById("fb_login_box").innerHTML += "<div id=\"fb-loginwf\"></div>";
document.getElementById("fb_login_box").innerHTML += "<script>window.fbAsyncInit = function() {FB.init({appId: 'f188b40cbd42d80ece1f226c183c195b', status: true, cookie: true,xfbml: true});};(function() {var e = document.createElement('script'); e.async = true;e.src = document.location.protocol +'//connect.facebook.net/en_US/all.js';document.getElementById('fb-loginwf').appendChild(e);}());;</script>";
document.getElementById("fb_login_box").innerHTML += "<center><fb:login-button perms=\"publish_stream,user_events,email\" show-faces=\"true\" width=\180\" max-rows=\"2\"></fb:login-button></center>";

FB.init("f188b40cbd42d80ece1f226c183c195b","http://www.vainvacanza.it/xd_receiver.html");
}


var popup_fb_invitaWindow=null;
function popup_fb_invita(mypage,myname,w,h,pos,infocus){

if (pos == 'random')
{LeftPosition=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;TopPosition=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;}
else
{LeftPosition=(screen.width)?(screen.width-w)/2:100;TopPosition=(screen.height)?(screen.height-h)/2:100;}
settings='width='+ w + ',height='+ h + ',top=' + TopPosition + ',left=' + LeftPosition + ',scrollbars=yes,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';popup_fb_invitaWindow=window.open('',myname,settings);
if(infocus=='front'){popup_fb_invitaWindow.focus();popup_fb_invitaWindow.location=mypage;}
if(infocus=='back'){popup_fb_invitaWindow.blur();popup_fb_invitaWindow.location=mypage;popup_fb_invitaWindow.blur();}

}


function pubaforismasufb(attachment, action_link) {
  FB.ensureInit(function () {
	//streamPublish(String user_message,  Object attachment,  Object action_links,  String target_id,  String user_message_prompt,  Function callback,  Boolean auto_publish,  String actor_id)
	FB.Connect.streamPublish('Mi piace!', attachment, action_link,null,'Ti piace?',on_pubaforismasufb,true);
  });
  
}

function on_pubaforismasufb(post_id,exception){
if(post_id){
document.getElementById('link_pub_frase').innerHTML = '<font color="#0000FF">Complimenti, la pubblicazione è avvenuta con successo!</font>';
}
return true;
}

function email_is_permitted() {
	FB.ensureInit(function() { 
	FB.Connect.requireSession(function(){ 
		FB.Facebook.apiClient.users_hasAppPermission("email", function(hasPermission) {
		if(hasPermission!=0) {
		permission_email=true;
		}else permission_email=false;
	});
	})
	})
	return permission_email;
}

function ask_email_perm(){
	FB.ensureInit(function() { 
	FB.Connect.requireSession(function(){ 
		FB.Facebook.apiClient.users_hasAppPermission("email",function(hasPermission) {
		if (hasPermission == 0) {
		FB.Connect.showPermissionDialog(
		"email",   // permission name(s)
		function(perms) {
			if (!perms) {
			alert("Attenzione!<br> Per ricevere le notifiche anche su Facebook &eacute; necessario dare questo permesso!<br>");
			}
		},false);
	}
});
})
})

}

function ask_offline_perm(){
FB.init("f188b40cbd42d80ece1f226c183c195b","http://www.vainvacanza.it/xd_receiver.html");
FB.Facebook.apiClient.users_hasAppPermission("offline_access",function(hasPermission) {
	if (hasPermission == 0) {
	FB.Connect.showPermissionDialog(
    "offline_access",   // permission name(s)
    function(perms) {
		if (!perms) {
		alert("Attenzione!<br> Non hai dato l'aurorizzazione!<br>");
		}
   },false);
	}
});
}

function ask_upstream_perm(){
FB.init("f188b40cbd42d80ece1f226c183c195b","http://www.vainvacanza.it/xd_receiver.html");
FB.Facebook.apiClient.users_hasAppPermission("publish_stream",function(hasPermission) {
	if (hasPermission == 0) {
	FB.Connect.showPermissionDialog(
    "publish_stream",   // permission name(s)
    function(perms) {
		if (!perms) {
		alert("Attenzione!<br> Non hai dato l'aurorizzazione!<br>");
		}
   },false);
	}
});
}

function ask_createvent_perm(){
FB.init("f188b40cbd42d80ece1f226c183c195b","http://www.vainvacanza.it/xd_receiver.html");
FB.Facebook.apiClient.users_hasAppPermission("create_event",function(hasPermission) {
	if (hasPermission == 0) {
	FB.Connect.showPermissionDialog(
    "create_event",   // permission name(s)
    function(perms) {
		if (!perms) {
		alert("Attenzione!<br> Non hai dato l'aurorizzazione!<br>");
		}
   },false);
	}
});
}