Element elemParent = doc.getElementById("insertHereId");
ScriptUtil scriptGen = itsNatDoc.getScriptUtil();
String elemRef = scriptGen.getNodeReference(elemParent);
ClientDocument clientDoc = itsNatEvt.getClientDocument();
clientDoc.addCodeToSend(elemRef + ".innerHTML = '';");
clientDoc.addCodeToSend("alert('Currently inserted fragment removed before');");
ItsNatServlet servlet = itsNatDoc.getItsNatDocumentTemplate().getItsNatServlet();
ItsNatHTMLDocFragmentTemplate docFragTemplate = (ItsNatHTMLDocFragmentTemplate)servlet.getItsNatDocFragmentTemplate("manual.stless.example.fragment");
DocumentFragment docFrag = docFragTemplate.loadDocumentFragmentBody(itsNatDoc);