private static void showRS(ResultSet rs, int num)
	{
		try 
		{
			while ( rs.next() ) 
			{
				//System.out.printl( "%s, %s, %s %n", rs.getString(1));
				for(int i = 1; i<=num; ++i)
				{
					System.out.print(rs.getString(i) + " ");
				}
				System.out.println("");
			}
		} 
		catch (SQLException e) 
		{
			System.out.println("Fehler!!");
		} 
		catch (Exception e)
		{
			System.out.println(e.getMessage());
		}
	}