code: private final boolean checkRef(ComponentTag tag) {
  		boolean ok = false;
  		if (!tag.getName().equals("a")) {
  			IValueMap attributes = tag.getAttributes();
  			String ref = attributes.getString("href");
  			if (ref == null) {
  				ref = attributes.getString("src");
  			}
  
  			if ((ref != null)
  					&& (isJawrImageTag(tag) || (ref.indexOf(":") == -1))) {
  				ok = true;
  			}
  
  		}
  
  		return ok;
  	}
docs: Checks if if tag ref is a correct one or not
  
  @param tag
  the component tag
  @return true if if tag ref is a correct one or not and that a component
  should be created