// pamatovani si aktivni polozky
var home_column_active = 0;

// funkce na zmenu zalozky a souvisejiciho divu
function home_column_change(i){
    if(i != home_column_active){
        // zmena zalozky
        document.getElementById('home-button-0'+home_column_active).className = '';
        document.getElementById('home-button-0'+i).className = 'home-button-active';
        // zmena divu    
        document.getElementById('column-0'+home_column_active).className = 'off';
        document.getElementById('column-0'+i).className = 'rozcestnik-home-column';
        // zaznamenani aktivni zalozky
        home_column_active = i;
    }
}