code: private static void ensureFrame()
  	{
  		com.google.gwt.dom.client.Element frame = Document.get().getElementById( "__printingFrame" );
  		if( frame == null )
  		{
  			frame = DOM.createIFrame();
  			frame.setId( "__printingFrame" );
  			frame.setAttribute( "style", "width:0;height:0;border:0" );
  
  			Document.get().getBody().appendChild( frame );
  		}
  	}
docs: }-*/;