Object.extend = function(destination, source) {
    for (var property in source) {
        destination[property] = source[property];
    }
    return destination;
}

function TTAjaxRequest(sUrl,oOptions,pRefObj, funcSuccess){
    // idContent muss neu gesetzt werden, damit die richtige Box bei der MultiOpenVersion der iHIB angesprochen wird
    if (typeof idContent != 'undefined') {
        var tmpContentPosition = sUrl.indexOf('idContent=');
        if (tmpContentPosition != -1) {
            idContent = sUrl.substring(tmpContentPosition + 10, sUrl.indexOf('&', tmpContentPosition));
        }
    }
    
    var pRefObj  = pRefObj || window;
    this.Options = {
        method: 'GET',
        params: '',
        async : true
    };
    Object.extend(this.Options,oOptions || {});
    this.Url = sUrl;
    if (this.Options.method.toUpperCase() == 'GET' && this.Options.params != '') {
        if (this.Url.indexOf('?') != -1) {
            this.Url += '&' + this.Options.params;
        } else {
            this.Url += '?' + this.Options.params;
        }
    }
    this.onStateChange = function() {
        if (!pRefObj || !pRefObj.xmlReq) {
            this.onStateChange = null;
            return;
        }
        if (pRefObj.xmlReq.readyState == 4) {
            if(pRefObj.xmlReq.status == 200 || pRefObj.xmlReq.status == 304) {
                if (pRefObj.xmlReq.responseText == '') {
                    pRefObj.onAjaxError();
                } else {
                    pRefObj.onAjaxSuccess(funcSuccess);
                }
            } else {
                pRefObj.onAjaxError();
            }
        }
    };
    
    var xmlRequest = false;
    
    // Mozilla, Opera, Safari sowie Internet Explorer (ab v7)
    if (!xmlRequest && typeof(XMLHttpRequest) != 'undefined') {
        xmlRequest = new XMLHttpRequest();
    }
    
    if (!xmlRequest) {
        // Internet Explorer 6 und älter
        try {
            xmlRequest = new ActiveXObject("Msxml2.XMLHTTP");
        } catch(e) {
            try {
                xmlRequest = new ActiveXObject("Microsoft.XMLHTTP");
            } catch(e) {
                xmlRequest = false;
            }
        }        
    }
    
    if (xmlRequest) {
        pRefObj.xmlReq = xmlRequest;
        pRefObj.xmlReq.open(this.Options.method, this.Url, this.Options.async);
        pRefObj.xmlReq.onreadystatechange = this.onStateChange;
        if (this.Options.method.toUpperCase() == 'GET') {
            pRefObj.xmlReq.send(null);
        } else {
            pRefObj.xmlReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
            pRefObj.xmlReq.send(this.Options.params);
        }
        try {
            if (navigator.userAgent.indexOf('Gecko') != -1 && !this.Options.async && pRefObj.xmlReq.onreadystatechange == null) {
                this.onStateChange();
            }
        } catch(e) {}
    }
    
    return xmlRequest;  
}