function ajax()
{
  var nesne=null;
  try
  {
    nesne=new ActiveXObject("Msxml2.XMLHTTP");
  }
  catch(e)
  {
    try
    {
      nesne=new ActiveXObject("Microsoft.XMLHTTP");
    } 
    catch(oc)
    {
      nesne=null;
    }
  }

  if(!nesne && typeof XMLHttpRequest != "undefined") 
  {
    nesne=new XMLHttpRequest();
  }
  return nesne;
}
//********************************************************************************
var sorgu = ajax()
function JXG(sayfa,islem,deger){
sayfa +="?islem="+islem+"&deger="+deger;

sorgu.open("get",sayfa,true);
sorgu.onreadystatechange= function(){yanit(islem)};
sorgu.send(null);
}
//********************************************************************************
function yanit(islem){

if(sorgu.readyState==4){
var vt = sorgu.responseXML;
var tablo = vt.getElementsByTagName("kayitlar")
var kayitsay = tablo[0].getElementsByTagName("kayit").length;
//*********************************************************************************
if(islem=="ilce"){
var indexsay= document.form1.ilce.options.length;
for(i=0; i < indexsay; i++){
	document.form1.ilce.remove(0);
	}

}
//*********************************************************************************
var tarayici = navigator.appName;
if(tarayici != "Microsoft Internet Explorer"){

yeni = document.createElement("option");
yeni.value= ""; yeni.text="Seçiniz...";
document.form1[islem].appendChild(yeni);

for(i=0; i< kayitsay; i++){
var yeni = document.createElement("option");	
yeni.text=tablo[0].getElementsByTagName("kayit")[i].textContent;
yeni.value= tablo[0].getElementsByTagName("deger")[i].textContent;
document.form1[islem].appendChild(yeni);
}
//*********************************************************************************
}else{
var yeni = document.createElement("option");
yeni.value= ""; yeni.text="Seçiniz...";
document.form1[islem].add(yeni);

for(i=0; i < kayitsay; i++){
yeni = document.createElement("option");
yeni.text=tablo[0].getElementsByTagName("kayit")[i].text;
yeni.value= tablo[0].getElementsByTagName("deger")[i].text;
document.form1[islem].add(yeni);
}
	
	}
	}
	}