function imgover( obj, image ) { 
          
    obj.src='/grattis_ostrava/menu/over/'+image;
};
      
function imgout( obj, image ) { 
      
    obj.src='/grattis_ostrava/menu/'+image;
};

function imgovers( obj, image ) {

    obj.src='/grattis_ostrava/second_menu/over/'+image;
};

function imgouts( obj, image ) {

    obj.src='/grattis_ostrava/'+image;
};

function backgroundover( obj, image ) {
    obj.style.backgroundImage='url(/grattis_ostrava/first_page/'+image+')';
};

function backgroundout( obj, image ) {
    obj.style.backgroundImage='none';
};