function makeRequestMail(url) {
    document.getElementById('submit1').disabled = true;
    var httpRequest;

    if (window.XMLHttpRequest) { // Mozilla, Safari, ...
        httpRequest = new XMLHttpRequest();
        if (httpRequest.overrideMimeType) {
            httpRequest.overrideMimeType('text/xml');
        }
    }
    else if (window.ActiveXObject) { // IE
        try {
            httpRequest = new ActiveXObject("Msxml2.XMLHTTP");
        }
        catch (e) {
            try {
                httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
            }
            catch (e) { }
        }
    }

    if (!httpRequest) {
        alert('Şu anda mesajınızı gönderemiyorum.\r Birkaç dakika sonra tekrar deneyiniz.');
        return false;
    }
    httpRequest.onreadystatechange = function() { alertContents(httpRequest); };
    httpRequest.open('GET', url, true);
    httpRequest.send('');
}

function alertContents(httpRequest) {
    if (httpRequest.readyState == 4) {
        if (httpRequest.status == 200) {
            alert(httpRequest.responseText);
        } else {
            alert('İşlem yapılamadı.');
        }
        document.getElementById('submit1').disabled = false;
    }
}

function sendmail() {
    var qs = "Text1=" + document.getElementById('Text1').value;
    qs = qs + "&Text2=" + document.getElementById('Text2').value;
    qs = qs + "&Text3=" + document.getElementById('Text3').innerHTML;
    makeRequestMail("actions/sendmail.aspx?" + encodeURI(qs));
}