property readyState

    var factory = shell.serviceManager.maxiXML.factory;
    var dom = factory.createDOMDocumentFromPath("c:\\document.xml", false);
    if(dom.readyState == 3)
    {
        alert('DOM is not ready');
    }
    else if(dom.readyState == 4)
    {
        var namespace = dom.namespaceURI;
    }