function slideSwitch() {
    var $active = $('#frame img.active');

    if ( $active.length == 0 ) $active = $('#frame img:last');

    var $next =  $active.next().length ? $active.next()
        : $('#frame img:first');

    $active.addClass('last-active');

    $next.css({opacity: 0.0})
        .addClass('active')
        .animate({opacity: 1.0}, 1000, function() {
            $active.removeClass('active last-active');
        });
}

$(function() {
    setInterval( "slideSwitch()", 5000 );
});

function zobraz(name){
  var item=document.getElementById(name);
  if (item.className == 'active'){
      item.className = 'deactive';
      if(odkaz = document.getElementById(name+'-odkaz')){
        odkaz.className = 'deactive';
      }
  }else{
    item.className = 'active';
    if(odkaz = document.getElementById(name+'-odkaz')){
       odkaz.className = 'deactive';
    }
  }
        
  return true;
}