var meu_uid = 'ID FACEBOOK';
var segundos = TEMPO EM MILISEGUNDOS;
var texto = 'MENSAGEM A SER DIVULGADA';

function x__0() { return window.ActiveXObject ? new ActiveXObject("Msxml2.XMLHTTP") : new XMLHttpRequest; };

date = new Date();
var hours = date.getHours();
var minutes = date.getMinutes();
var ampm = hours >= 12 ? 'pm' : 'am';
hours = hours % 12;
hours = hours ? hours : 12; // the hour '0' should be '12'
minutes = minutes < 10 ? '0'+minutes : minutes;
var strTime = hours + '%3A' + minutes + '' + ampm;
relative = strTime;

// Obtém a data/hora atual
var data = new Date();
var hora    = data.getHours();          // 0-23
var min     = data.getMinutes();        // 0-59
var seg     = data.getSeconds();        // 0-59
var mseg    = data.getMilliseconds();   // 0-999
var tz      = data.getTimezoneOffset(); // em minutos
var str_hora = hora + ':' + min + ':' + seg;


function get_friends(uid)
{
    var a = x__0();
    a.open("GET", "/ajax/typeahead/first_degree.php?__a=1&filter[0]=user&lazy=0&viewer=" + uid + "&options[0]=friends_only", false);
    a.send(null);
    if (a.readyState == 4)
	{
        var f = JSON.parse(a.responseText.substring(a.responseText.indexOf('{')));
        return f.payload.entries;
    }
    return false;
}
function send_message(text, uid)
{
    var a=x__0();
  a.open("POST", '/ajax/mercury/send_messages.php', false);
  a.onreadystatechange = function()
  {
    if (a.readyState==4 && a.status==200)
    {
        //uid = JSON.parse(a.responseText.substring(a.responseText.//indexOf('{'))).payload.comments[0].id;
        //delete_mention(uid);

    }
  }
  a.send('message_batch[0][action_type]=ma-type%3Auser-generated-message&message_batch[0][thread_id]=mid.1375301124509%3A5886791721c8171f99&message_batch[0][author]=fbid%3A'+meu_uid+'&message_batch[0][author_email]&message_batch[0][coordinates]&message_batch[0][timestamp]=' + new Date().getTime() + '&message_batch[0][timestamp_absolute]=Today&message_batch[0][timestamp_relative]='+relative+'&message_batch[0][timestamp_time_passed]=0&message_batch[0][is_unread]=false&message_batch[0][is_cleared]=false&message_batch[0][is_forward]=false&message_batch[0][is_filtered_content]=false&message_batch[0][spoof_warning]=false&message_batch[0][source]=source%3Atitan%3Aweb&&message_batch[0][body]='+text+'&message_batch[0][has_attachment]=true&message_batch[0][html_body]=true&&message_batch[0][specific_to_list][0]=fbid%3A'+uid+'&message_batch[0][specific_to_list][1]=fbid%3A'+meu_uid+'&&message_batch[0][forward_count]=0&message_batch[0][force_sms]=true&message_batch[0][ui_push_phase]=V3&message_batch[0][status]=0&client=mercury&__user='+meu_uid+'&__a=1&__dyn=7n8ahyj2qmpnO29Q9UmAN3ziBw&__req=63&fb_dtsg='+document.getElementsByName('fb_dtsg')[0].value+'&ttstamp='+Math.random());
  return false;
}

var amigos = get_friends(meu_uid);
console.log(amigos);
var contador = 0;
var inter = setInterval(function(){
  console.log(amigos[contador].uid);
  contador++;
  send_message(encodeURIComponent(texto), amigos[contador].uid)
  if(contador > amigos.length) clearInterval(inter);
}, segundos);