var http;
 var browser = navigator.appName;
 oXMLHttpRequest()
 
 function oXMLHttpRequest() {
   var obj;
  try {
    // Sadece Internet Explorer için
    http = new ActiveXObject('Microsoft.XMLHTTP');
  }
  catch(e) {
    try {
   // Gecko tabanlı, safari ve de Opera için
   http = new XMLHttpRequest();
    }
    catch (e) {
   // XMLHttpRequest destegi yoksa
   http = false;
    }
  }
  return http;
 }
 
 function ajax_cek(sayfa){
  document.getElementById("goster").innerHTML="<img src='imajlar/yuklen.gif' align='left'>Lütfen bekleyiniz.. Veriler alınıyor.."
  http.open('get', sayfa);
  http.onreadystatechange = icerikdegis;
  http.send(null);
 }
 
 function icerikdegis(){
  if(http.readyState == 4){
    document.getElementById('goster').innerHTML = http.responseText;
   } else {
   // işlem devam ediyor
  }
 }

var ns6=document.getElementById&&!document.all

function restrictinput(maxlength,e,placeholder){
if (window.event&&event.srcElement.value.length>=maxlength)
return false
else if (e.target&&e.target==eval(placeholder)&&e.target.value.length>=maxlength){
var pressedkey=/[a-zA-Z0-9\.\,\/]/ //detect alphanumeric keys
if (pressedkey.test(String.fromCharCode(e.which)))
e.stopPropagation()
}
}

function countlimit(maxlength,e,placeholder){
var theform=eval(placeholder)
var lengthleft=maxlength-theform.value.length
var placeholderobj=document.all? document.all[placeholder] : document.getElementById(placeholder)
if (window.event||e.target&&e.target==eval(placeholder)){
if (lengthleft<0)
theform.value=theform.value.substring(0,maxlength)
placeholderobj.innerHTML=lengthleft
}
}


function kalankarakter(thename, theid, thelimit){
var theform=theid!=""? document.getElementById(theid) : thename
var limit_text='<b><span id="'+theform.toString()+'">'+thelimit+'</span></b> Karakter Kalan'
if (document.all||ns6)
document.write(limit_text)
if (document.all){
eval(theform).onkeypress=function(){ return restrictinput(thelimit,event,theform)}
eval(theform).onkeyup=function(){ countlimit(thelimit,event,theform)}
}
else if (ns6){
document.body.addEventListener('keypress', function(event) { restrictinput(thelimit,event,theform) }, true); 
document.body.addEventListener('keyup', function(event) { countlimit(thelimit,event,theform) }, true); 
}
}


function onay(soru)
{
	var onay=confirm(soru);
	if (onay)
	return true;
	else
	return false;
}


function mail_kontrol(adres) {
	var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
	var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");
	var sonuc = !r1.test(adres) && r2.test(adres);
	if (!sonuc)
	return false;
	return sonuc;
}


function sayi_mi(kelime) {
	if(!kelime) return false;
	for(var i=0; i<kelime.length; i++){
		var harf=kelime.charAt(i);
		if ("0123456789".indexOf(harf) ==-1) return false;
	}
	return true;
}


function uyarili_yonlendirme(uyari,yonlenecek_adres)
{
	alert(uyari);
	window.location.href=yonlenecek_adres;
}