public ArrayList<HashMap<String, String>> getOdigo(int id){
		/*
		 * epistrefei ta stoixia enos sugkekrimenou odigou
		 */
		ArrayList<HashMap<String, String>> odigoi=new ArrayList<HashMap<String, String>>();
		HashMap<String, String> map = new HashMap<String, String>();
		try {
			pS = conn.prepareStatement("SELECT * FROM odigoi WHERE id=?");
			pS.setInt(1, id);
			rs=pS.executeQuery();
			if(rs.next()){
				map.put("id", rs.getString("id"));
				map.put("onoma", rs.getString("onoma"));
				map.put("eponimo", rs.getString("eponimo"));
				map.put("username", rs.getString("username"));
				map.put("password", rs.getString("password"));
				map.put("oxima", rs.getString("oxima"));
				odigoi.add(map);
			}
		} catch (SQLException e) {
			e.printStackTrace();
		} catch (Exception e) {
			e.printStackTrace();
		}
		
		return odigoi;
	}