code: private void parseExternalsConfig(final Node node,
  			final ConfigSettings config)
  	{
  
  		String name, value;
  		Node nnode;
  		NodeList list = node.getChildNodes();
  
  		int length = list.getLength();
  		for (int i = 0; i < length; i++) {
  			nnode = list.item(i);
  
  			name = nnode.getNodeName().toUpperCase();
  			if (name.equals(KEY_SEVENZIP)) {
  
  				value = nnode.getChildNodes().item(0).getNodeValue();
  				value = value.substring(1, value.length() - 1);
  
  				config.setConfigParameter(ConfigurationKeys.PATH_PROGRAM_7ZIP,
  						value);
  
  			}
  		}
  	}
docs: Parses the externals parameter section.
  
  @param node
  Reference to the current used xml node
  @param config
  Reference to the ConfigSettings