var xmlhttp;

function sendmail()
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
  {
  alert ("Browser does not support HTTP Request");
  return;
  }
  
var icerik = document.getElementById("icerik").value;
var mail = document.getElementById("mail").value;
var konu = document.getElementById("konu").value;
var gonderilen = document.getElementById("birim").value;

xmlhttp.onreadystatechange=stateChanged;
xmlhttp.open('POST','sendmail.php',true);
header = "application/x-www-form-urlencoded";
xmlhttp.setRequestHeader("Content-Type",header);
xmlhttp.send('gonderen='+mail+'&'+'konu='+konu+'&'+'gonderilen='+gonderilen+'&'+'icerik='+icerik);
}

function stateChanged()
{
  if (xmlhttp.readyState==4)
  {
    var status =xmlhttp.responseText;
	
	if(status==1)	
		document.getElementById('mailstatus').innerHTML = 'Mesajınız İletilmiştir';
	else
		document.getElementById('mailstatus').innerHTML = 'Mesaj Gönderimi Hata İle Sonuçlandı';
  }
}

function GetXmlHttpObject()
{
var objXMLHttp=null;
if (window.XMLHttpRequest)
  {
  objXMLHttp=new XMLHttpRequest();
  }
else if (window.ActiveXObject)
  {
  objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
return objXMLHttp;
}