var XmlHttp = null;

function GetXmlHttpObj() {
    var XmlHttpObj = null;
    try {
        if (window.ActiveXObject) {
            for (var i = 5; i; i--) {
                try {
                    if (i == 2) {
                        XmlHttpObj = new ActiveXObject("Microsoft.XMLHTTP");
                    }
                    else {
                        XmlHttpObj = new ActiveXObject("Msxml2.XMLHTTP." + i + ".0");
                    }
                    XmlHttpObj.setRequestHeader("Content-Type", "text/xml");
                    XmlHttpObj.setRequestHeader("Content-Type", "utf-8");
                    break;
                }
                catch (e)
				{ }
            }
        }
        else if (window.XMLHttpRequest) {
            XmlHttpObj = new XMLHttpRequest();
            if (XmlHttpObj.overrideMimeType) {
                XmlHttpObj.overrideMimeType('text/xml');
            }
        }
    }
    catch (e)
	{ }
    return XmlHttpObj
}


function XmlHttpGetMethod(uri) {
    XmlHttp = GetXmlHttpObj();
    if (XmlHttp == null) {
        alert('很抱歉，您的浏览器版本不支持，操作终止');
        return;
    }
    XmlHttp.open("GET", uri, false);
    XmlHttp.send();
}


function XmlHttpPostMethod(uri, parmsStr) {
    XmlHttp = GetXmlHttpObj();
    if (XmlHttp == null) {
        alert('很抱歉，您的浏览器版本不支持，操作终止');
        return;
    }
    XmlHttp.open("POST", uri, false);
    XmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    XmlHttp.send(parmsStr);
}

function XmlHttpGetMethodText(uri) {
    XmlHttpGetMethod(uri);
    return XmlHttp.responseText;
}

function XmlHttpPostMethodText(uri, parmsStr) {
    XmlHttpPostMethod(uri, parmsStr);
    return XmlHttp.responseText;
}

function XmlHttpGetMethodXml(uri) {
    XmlHttpGetMethod(uri);
    return XmlHttp.responseXML;
}

function XmlHttpPostMethodXml(uri, parmsStr) {
    XmlHttpPostMethod(uri, parmsStr);
    return XmlHttp.responseXML;
}

function GetAjaxLabel(url, paramStr) {
    var data = XmlHttpPostMethodText(url, "paramStr=" + paramStr + "")
    document.write(data);
}

function VSLabelPager(url, Id) {
    var data = XmlHttpGetMethodText(url);
    document.getElementById(Id).innerHTML = data;
}