public ArrayList<HashMap<String, String>> getOxima(int id){
		/*
		 * epistefei ta stoixia enos sugkekrimenou oximatos
		 */
		ArrayList<HashMap<String, String>> oxima=new ArrayList<HashMap<String, String>>();
		HashMap<String, String> map = new HashMap<String, String>();
		try {
			pS = conn.prepareStatement("SELECT * FROM oximata WHERE id=?");
			pS.setInt(1, id);
			rs=pS.executeQuery();
			if(rs.next()){
				map.put("id", id+"");
				map.put("diadromi", rs.getString("diadromi"));
				oxima.add(map);
			}
		} catch (SQLException e) {
			e.printStackTrace();
		} catch (Exception e) {
			e.printStackTrace();
		}
		
		return oxima;
	}