var http_request = false;
var localWhereToPut = "";

function makePOSTRequest(url, parameters, whereToPut) {
    http_request = false;
    if (window.XMLHttpRequest) { // Mozilla, Safari,...
        http_request = new XMLHttpRequest();
        if (http_request.overrideMimeType) {
            // set type accordingly to anticipated content type
            //http_request.overrideMimeType('text/xml');
            http_request.overrideMimeType('text/html');
        }
    } else if (window.ActiveXObject) { // IE
        try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try {
                http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) { }
        }
    }
    if (!http_request) {
        alert('Cannot create XMLHTTP instance');
        return false;
    }
    localWhereToPut = whereToPut;
    http_request.onreadystatechange = alertContents;
    http_request.open('GET', url, true);
    http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    http_request.setRequestHeader("Content-length", parameters.length);
    http_request.setRequestHeader("Connection", "close");
    http_request.send(parameters);
}

function makePOSTRequestTop(url, parameters, whereToPut) {
    http_request = false;
    if (window.XMLHttpRequest) { // Mozilla, Safari,...
        http_request = new XMLHttpRequest();
        if (http_request.overrideMimeType) {
            // set type accordingly to anticipated content type
            //http_request.overrideMimeType('text/xml');
            http_request.overrideMimeType('text/html');
        }
    } else if (window.ActiveXObject) { // IE
        try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try {
                http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) { }
        }
    }
    if (!http_request) {
        alert('Cannot create XMLHTTP instance');
        return false;
    }
    localWhereToPut = whereToPut;
    http_request.onreadystatechange = alertContentsTop;
    http_request.open('GET', url, true);
    http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    http_request.setRequestHeader("Content-length", parameters.length);
    http_request.setRequestHeader("Connection", "close");
    http_request.send(parameters);
}


function alertContents() {
    if (http_request.readyState == 4) {
        if (http_request.status == 200 || http_request.status == 500) {
            //alert(http_request.responseText);
            result = http_request.responseText;
            document.getElementById(localWhereToPut).innerHTML = result;
            fireMyPopup();
        } else {
            alert('There was a problem with the request.');
        }
    }
}


function alertContentsTop() {
    if (http_request.readyState == 4) {
        if (http_request.status == 200 || http_request.status == 500) {
            //alert(http_request.responseText);
            result = http_request.responseText;
            document.getElementById(localWhereToPut).innerHTML = result;
            fireMyPopupTop();
        } else {
            alert('There was a problem with the request.');
        }
    }
}


function get(obj, whichPage, whereToPut, whatToPost) {
    makePOSTRequest(whichPage, whatToPost, whereToPut);
}