function banners750x100() {
    var img = new Array();
    img[0] = "<a href='http://programydarmowe.net'><img src='http://i38.tinypic.com/ofqa1t.jpg' alt='programy'/></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]);
    }
}