// Object for handling Ajax Calls
function ajaxObject(url, callbackFunction) {
    var that = this;
    this.updating = false;
    this.abort = function() {
        if (that.updating) {
            that.updating = false;
            that.AJAX.abort();
            that.AJAX = null;
        }
    }
    this.update = function(passData, postMethod) {
        if (that.updating) { return false; }
        that.AJAX = null;
        if (window.XMLHttpRequest) {
            that.AJAX = new XMLHttpRequest();
        } else {
            that.AJAX = new ActiveXObject("Microsoft.XMLHTTP");
        }
        if (that.AJAX == null) {
            return false;
        } else {
            that.AJAX.onreadystatechange = function() {
                if (that.AJAX.readyState == 4) {
                    that.updating = false;
                    that.callback(that.AJAX.responseText, that.AJAX.status, that.AJAX.responseXML);
                    that.AJAX = null;
                }
            }
            that.updating = new Date();
            if (/post/i.test(postMethod)) {
                var uri = urlCall + '?' + that.updating.getTime();
                that.AJAX.open("POST", uri, true);
                that.AJAX.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
                that.AJAX.setRequestHeader("Content-Length", passData.length);
                that.AJAX.send(passData);
            } else {
                var uri = urlCall + '?' + passData + '&timestamp=' + (that.updating.getTime());
                that.AJAX.open("GET", uri, true);
                that.AJAX.send(null);
            }
            return true;
        }
    }
    var urlCall = url;
    this.callback = callbackFunction || function() { };
}