Ajax doXPath doesnt work in IE

Ajax doXPath doesnt work in IE. Opera, Chrome and Firefox are OK.
I have on client side:
if(loader.xmlDoc.responseXML != null){
var data1XPath = loader.doXPath(“/MAIN/SEZENI/param [@name=‘databaze’]”);
databaze = data1XPath[0].childNodes[0].nodeValue;

        var data2XPath = loader.doXPath("/MAIN/SEZENI/param [@name='uzivatel']"); 
        uzivatel = data2XPath[0].childNodes[0].nodeValue;


And on server side XML (php):
if ( stristr($_SERVER[“HTTP_ACCEPT”],“application/xhtml+xml”) ) {
header(“Content-type: application/xhtml+xml”); } else {
header(“Content-type: text/xml”);
echo(“<?xml version=\"1.0\" encoding=\"utf-8\"?>\n”);
echo “”;
echo “\n”;
echo “”.htmlspecialchars($_SESSION[‘uid’]).“\n”;
echo “”.htmlspecialchars($_SESSION[‘database’]).“\n”;
echo “\n”;
echo “”;
Thak you Petr

Which version of dhtmlx suite you are using ?

I use
dhtmlxAjax v.3.0
dhtmlxSuite 2011 Rel.1 (DHTMLX 3.0)

In IE8 is everything OK. In IE 11 not.

dhtmlxAjax v.3.0 didn’t support IE11 ( version 3.0 was before IE release )
You need to upgrade to the current dhtmlx version

is it possible to use only new Ajax library?

No, it vas built on a different engine. We can only send you dhtmlxcommon.js file from 4.0 version - it must help. Write us on support@dhtmlx.com with a link to this topic - we will send it to you