public String pobierzTekstZeStrony(String adres){
		
		Document doc = null;
		String s = null;
		
		try{
			Connection con = Jsoup.connect(adres);
			con.timeout(3000);
			doc = Jsoup.connect(adres).get();
			s = doc.text();
		} catch(Exception e){
			e.printStackTrace();
			s = null;
		}
		
		return s;
	}