function showZakladka( id, ile )
    {
        for( i=1; i<=ile; i++ )
        {
            old = document.getElementById( 'ge'+i );
            old.style.display = 'none';
            oldMenu = document.getElementById( 'ged'+i );
            oldMenu.className = '';
        }
        current = document.getElementById( 'ge'+id );
        current.style.display = 'block';

        currentMenu = document.getElementById( 'ged'+id );
        currentMenu.className = 'selected_tab';
    }