function createRequest() {
    var xmlHttp = false;
    try {
        xmlHttp = new XMLHttpRequest();
    } catch (trymicrosoft) {
        try {
            xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (othermicrosoft) {
            try {
                xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (failed) {
                xmlHttp = false;
            }
        }
    }
    if (!xmlHttp)
        alert("Error initializing XMLHttpRequest!");
    return xmlHttp;
}
function getRequestBody(oForm) {
    var aParams = new Array();
    for(var i = 0; i < oForm.elements.length; i++) {
        var sParam = encodeURIComponent(oForm.elements[i].name);
        sParam += "=";
        sParam += encodeURIComponent(oForm.elements[i].value);
        aParams.push(sParam);
    }
    return aParams.join("&");
}

function zakazonline() {
    var sBody = getRequestBody(document.forms.namedItem("zakazform"));
    var request = createRequest();
    request.open("POST","/netcat/add.php", true);
//    request.setRequestHeader("Content-Type", "text/html; charset=windows-1251");
    request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
    request.onreadystatechange = function () {
        if (request.readyState == 4) {
            var response = request.responseText;
            document.getElementById("zakazonline").innerHTML = response;
        } else {
            document.getElementById("zakazonline").innerHTML = "<div class='okText'>Пожалуйста, подождите...</div>";
        }
    }
    request.send(sBody);
}

function addcomment() {
    var sBody = getRequestBody(document.forms.namedItem("commentForm"));
    var request = createRequest();
    request.open("POST","/netcat/add.php", true);
//    request.setRequestHeader("Content-Type", "text/html; charset=windows-1251");
    request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
    request.onreadystatechange = function () {
        if (request.readyState == 4) {
            var response = request.responseText;
            document.getElementById("commForm").innerHTML = response;
        } else {
            document.getElementById("commForm").innerHTML = "Пожалуйста, подождите...";
        }
    }
    request.send(sBody);
}