function frmKontrol_Maillist()
{
	if (! isValidEmail(document.getElementById("Email").value))
	{
		alert("Geçerli bir mail adresi giriniz !");
		document.getElementById("Email").focus();
		return false;
	}
	return true;
}
	

function frmIletisim_Kontrol()
{
	if (document.getElementById("Adsoyad").value == "")
	{
		alert("İsim soyisim giriniz !")
		document.getElementById("Adsoyad").focus();
		return false;
	}
	else if (! isValidEmail(document.getElementById("fEmail").value))
	{
		alert("Geçerli e-posta adresi giriniz !")
		document.getElementById("fEmail").focus();
		return false;
	}
	else if (document.getElementById("Baslik").value == "")
	{
		alert("Konu giriniz !")
		document.getElementById("Baslik").focus();
		return false;
	}
	else if (document.getElementById("Mesaj").value == "")
	{
		alert("Mesaj giriniz !")
		document.getElementById("Mesaj").focus();
		return false;
	}
	return true;
}


function SadeceRakam(field, msg)
{
  var reInt = /^\d+$/;
  if (!reInt.test(field.value)) {
	alert("Lütfen ilgili alana sadece rakam giriniz! [0-9]");
	if (field.value) {
	  field.value="";
	}
	//if (field.select) {
	  //field.select();
	//}
	return false;
  }
}

function isValidEmail(email, required) {
    if (required==undefined) {   // if not specified, assume it's required
        required=true;
    }
    if (email==null) {
        if (required) {
            return false;
        }
        return true;
    }
    if (email.length==0) {  
        if (required) {
            return false;
        }
        return true;
    }
    if (! allValidChars(email)) {  // check to make sure all characters are valid
        return false;
    }
    if (email.indexOf("@") < 1) { //  must contain @, and it must not be the first character
        return false;
    } else if (email.lastIndexOf(".") <= email.indexOf("@")) {  // last dot must be after the @
        return false;
    } else if (email.indexOf("@") == email.length) {  // @ must not be the last character
        return false;
    } else if (email.indexOf("..") >=0) { // two periods in a row is not valid
	return false;
    } else if (email.indexOf(".") == email.length) {  // . must not be the last character
	return false;
    }
    return true;
}

function allValidChars(email) {
  var parsed = true;
  var validchars = "abcdefghijklmnopqrstuvwxyz0123456789@.-_";
  for (var i=0; i < email.length; i++) {
    var letter = email.charAt(i).toLowerCase();
    if (validchars.indexOf(letter) != -1)
      continue;
    parsed = false;
    break;
  }
  return parsed;
}


function ajaxpage(url, containerid){
		var page_request = false
		if (window.XMLHttpRequest)
			page_request = new XMLHttpRequest()
		else if (window.ActiveXObject){
			try {
				page_request = new ActiveXObject("Msxml2.XMLHTTP")
			} 
			catch (e){
				try{
					page_request = new ActiveXObject("Microsoft.XMLHTTP")
				}
				catch (e){}
				}
			}
		else
		return false
			page_request.onreadystatechange=function(){
			loadpage(page_request, containerid)
		}
			page_request.open('GET', url, true)
			page_request.send(null)
	}
	
function loadpage(page_request, containerid){
	document.getElementById(containerid).innerHTML="Arama işlemi yapılırken lütfen bekleyiniz .."
	if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1))
	document.getElementById(containerid).innerHTML=page_request.responseText
}