<!--

function banner() {
};

banner = new banner();
number = 0;

// bannerArray

banner[number++] = "<a href='http://www.gununurunu.gen.tr/index.html' target='_blank'><img src='http://www.kpssdershanesi.com/kpsscafe/gunun-urunu.gif' border='0'></a>"

// keep adding items here...

increment = Math.floor(Math.random() * number);

document.write(banner[increment]);

//-->