saveDocument();
saveDocument(projectXML);
	public void removeProject(String projectName)	{		XPath xpath = XPathFactory.newInstance().newXPath();		String expression = "//*";		String expr = "//project[@name='"+projectName+"']";						Element elem = null;		Element oldElem = null;				try {			elem = (Element)xpath.evaluate(expression, this.doc, XPathConstants.NODE);			oldElem = (Element)xpath.evaluate(expr, this.doc, XPathConstants.NODE);		}		catch (XPathExpressionException e) {						e.printStackTrace();		}		if ( elem != null ) {			elem.removeChild(oldElem);			saveDocument();			System.out.println("Suppression du projet "+projectName+" effectuee"); 		}		else {			System.out.println("Suppression du projet "+projectName+" impossible!"); 		}					}