[jdom-interest] Problem with save sub element

[sam sam]

Hi,

I worked with JDOM und like it very well, but I have a problem with saving 
into xml the sub element.
I can add an Element and save it but when I add sub element it will saved as 
an Element.
Please help me!!

Hier is a part of my code that save the xml file:



public void save(String filename)
  	{
  	   try
  	   {

  	      XMLOutputter out = new 
XMLOutputter(org.jdom.output.Format.getPrettyFormat());

  	       FileWriter writer = new FileWriter(filename);
  	       out.toString();
               out.output(document, writer);
               writer.flush();
               writer.close();
  	    }
  	   catch (java.io.IOException e){}
  	}

Thank you

Sam