// JScript File

var _ajax_conn = new XHConn();

//funkcja tworzy obiekt do komunikacji przy użyciu Ajax - standard wyciągnięty z sieci
function createAjaxObj() {
    var httprequest = false
    if (window.XMLHttpRequest) { // if Mozilla, Safari etc
        httprequest = new XMLHttpRequest()
        if (httprequest.overrideMimeType)
            httprequest.overrideMimeType('text/plain')
    }
    else if (window.ActiveXObject) { // if IE
        try {
            httprequest = new ActiveXObject("Msxml2.XMLHTTP");
        }
        catch (e) {
            try {
                httprequest = new ActiveXObject("Microsoft.XMLHTTP");
            }
            catch (e) { }
        }
    }
    return httprequest
}


function XHConn() {
    var xmlhttp, bComplete = false;
    xmlhttp = createAjaxObj();
    if (!xmlhttp) return null;

    this.connect = function(sURL, sMethod, sVars, fnDone) {
        if (!xmlhttp) return false;
        bComplete = false;
        sMethod = sMethod.toUpperCase();

        try {
            if (sMethod == "GET") {
                xmlhttp.open(sMethod, sURL + "?" + sVars + '&nocache=' + new Date().getTime(), true);
                sVars = "";
            }
            else {
                xmlhttp.open(sMethod, sURL, true);
                xmlhttp.setRequestHeader("Method", "POST " + sURL + " HTTP/1.1");
                xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
            }
            xmlhttp.onreadystatechange = function() {
                if (xmlhttp.readyState == 4 && !bComplete) {
                    bComplete = true;
                    fnDone(xmlhttp);
                } 
            };
            xmlhttp.send(sVars);
        }
        catch (z) {
            return false;
        }
        return true;
    };
    return this;
}