var resObjekt;
if(navigator.appName.search("Microsoft") > -1) {
//resObjekt = new ActiveXObject("Microsoft.XMLHTTP");
resObjekt = new ActiveXObject("MSXML2.XMLHTTP");
}
else {
resObjekt = new XMLHttpRequest();
}


function sndReq(what, nickname) {
	resObjekt.open('get', 'extensions.php?a='+what+'&id='+nickname,true);
	resObjekt.onreadystatechange = handleResponse;
	resObjekt.send(null);
}
function handleResponse() {
 if(resObjekt.readyState == 4) {
    document.getElementById('ext').innerHTML = resObjekt.responseText;
  }

}