code: private XmlElementFinder getElementFinder(final Element element) {
  		if (elementFinder == null) {
  			elementFinder = new XmlElementFinder(element.getDocument());
  		}
  		return elementFinder;
  	}
docs: Returns the element finder. If it is not yet initialzed a new one is generated together with
  the document containing the element. Caution: This ElementFinder is only valid for the
  lifecycle of this Factory instance!