method nextNode

    var factory = shell.serviceManager.maxiXML.factory;
    var dom = factory.createDOMDocumentFromPath("c:\\document.xml", false);
    var nodeList = dom.documentElement.getElementsByTagName("img");
    var node = nodeList.nextNode();
    while(nodeList.length > 0 && node != null)
    {
        node = node.nextNode();
        nodeText = node.text;
    }