function CallPageMethod(methodName, onSuccess, onFail) {
    var args = '';
    var l = arguments.length;
    if (l > 3) {
        for (var i = 3; i < l - 1; i += 2) {
            if (args.length != 0) args += ',';
            args += '"' + arguments[i] + '":"' + arguments[i + 1] + '"';
        }
    }

    $.ajax({
        type: "POST",
        url: methodName,
        data: "{" + args + "}",
        contentType: "application/json; charset=utf-8",
        dataType: "json",
        success: onSuccess,
        fail: onFail
    });
}

function CallPageMethod2(methodName, onSuccess, onFail, objectName, jsonObject) {
    $.ajax({
        type: "POST",
        url: methodName,
        data: "{'" + objectName + "':" + JSON.stringify(jsonObject) + "}",
        contentType: "application/json; charset=utf-8",
        dataType: "json",
        success: onSuccess,
        fail: onFail
    });
}