public void assertXpathsEqual(String controlXpath, Document controlDocument, String testXpath, Document testDocument)
public void assertXpathsEqual(String controlXpath, String testXpath, Document document)
    public void assertXpathsEqual(String controlXpath, Document controlDocument,    String testXpath, Document testDocument)        throws XpathException {    	XMLAssert.assertXpathsEqual(controlXpath, controlDocument, testXpath, testDocument);    }