setCategories(cats2);
setCategoriesList(cats2);
	public void setCategories(String categories){		if(categories!=null){			ArrayList cats = new ArrayList();			StringTokenizer tokenizer = new StringTokenizer(categories,listDelim);			while(tokenizer.hasMoreTokens()){				cats.add(tokenizer.nextToken());			}			List cats2 = (cats.isEmpty())?null:cats;			setCategories(cats2);		} else {				//null		}	}