function toggleNews()
{
    var obj = document.getElementById('oldnews');
    var link = document.getElementById('togglenews');
    
    if (obj.style.display == 'block')
    {
        obj.style.display = 'none';
        link.style.backgroundImage = 'url(img/down.gif)';
        link.firstChild.nodeValue = 'Pokaż wszystkie';
    }
    else
    {
        obj.style.display = 'block';
        link.style.backgroundImage = 'url(img/up.gif)';
        link.firstChild.nodeValue = 'Ukryj';
    }
    
    return false;
}