function banners750x100() {
    var img = new Array();
  // img[0] = "<a href='http://betonline.net.pl' title='Typy' target='_blank'><img src='http://iv.pl/images/91024895530425606091.gif' alt='typy' /></a>";
  // img[1] = "<iframe id='itsfogo139064' name='itsfogo139064' src='http://adserver.itsfogo.com/default.aspx?t=f&v=1&zoneid=139064' frameborder='0' scrolling='no' width='750' height='100'></iframe>";
   
    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]);
    }
}