function createXmlHttpRequest() {
            var retval = null;
            try {
                retval = new ActiveXObject("Msxml2.XMLHTTP");
            }
            catch (e) {
                try{
                    retval = new ActiveXObject("Microsoft.XMLHTTP"); 
                }
                catch(ex){retval=null;}
            }
            if (!retval && typeof XMLHttpRequest != "undefined") {
                retval = new XMLHttpRequest();
            }
            return retval;
        }
    
   
    
    function call_async_request(url, prm) {
            var xmlHttpNesnesi = createXmlHttpRequest();
            var params =prm; 
            if (xmlHttpNesnesi) {                
                xmlHttpNesnesi.open("post", url, true);
                xmlHttpNesnesi.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
                xmlHttpNesnesi.setRequestHeader("Content-length", params.length);
                xmlHttpNesnesi.setRequestHeader("Connection", "close");
                xmlHttpNesnesi.onreadystatechange = function() {
                    if (xmlHttpNesnesi.readyState == 4) {                        
                        alert(xmlHttpNesnesi.responseText);                        
                    }
                    if (xmlHttpNesnesi.readyState == 1) {}
                     
                }
						;
                xmlHttpNesnesi.send(params);
            }
        }


function contactsend(){
var adsoyad=document.form1.ad_soyad.value;
var email=document.form1.email2.value;
var konu=document.form1.konu.value;
var msj=document.form1.mesaj.value;

if(adsoyad==''||email==''||konu==''||msj==''){alert('Lütfen formu eksiksiz doldurunuz');}
else{
    if(email.indexOf('@')==-1 ||email.indexOf('.')==-1){alert('Lütfen e-mail adresinizi doğru olarak giriniz');}
    else{
    call_async_request('emailsend.aspx','isim='+adsoyad+'&email='+email+'&konu='+konu+'&msj='+msj);
    }
}
}