cg.setAttribute(XMLConstants.DATE, (new Date().toString()) );
IXMLElement date = cg.createElement(XMLConstants.DATE); date.setContent( new Date().toString() ); cg.addChild( date );
	public IXMLElement callGraphToXML(CallGraph callgraph)	{		CallID[] calls = callgraph.getCallIDs();		double[] callFractions = callgraph.getFractions();		RCC[] rccs = RCC.getRCCs(calls);		IXMLElement cg = new XMLElement(XMLConstants.CALLGRAPH);		cg.setAttribute(XMLConstants.DATE, (new Date().toString()) );		addMeasurements(cg, rccs);		addInvocations(cg, calls, callFractions);		return ( cg );	}