function banners750x100() {
    var img = new Array();
    img[0] = "<a href='http://findmp3.pl'><img src='http://i33.tinypic.com/243g9k0.gif'/></a>";
    img[1] = "<a href='http://findmp3.pl'><img src='http://i33.tinypic.com/243g9k0.gif'/></a>";
    
    index = Math.floor(Math.random() * (img.length));
    if (typeof img[index] == 'object') {
        $('banner').set('html', "<a href='" + img[index][1] + "' target='_blank'><img src='" + img[index][0] + "' id='ads_content' alt='reklama' border='0' /></a>");
    } else {
        $('banner').set('html', img[index]);
    }
}