var _banners = new Array();
function addBanner(_bannerHTML){
  _banners[_banners.length?_banners.length:0]=_bannerHTML;
}
addBanner("<a href='http://www.js-examples.com/'><img border=0 alt='image 1' src='http://www.js-examples.com/data/pic1.gif'></a>");
addBanner("<a href='http://www.js-examples.com/'><img border=0 alt='image 2' src='http://www.js-examples.com/data/pic2.gif'></a>");
addBanner("<a href='http://www.js-examples.com/'><img border=0 alt='image 3' src='http://www.js-examples.com/data/pic3.gif'></a>");
addBanner("<a href='http://www.js-examples.com/'><img border=0 alt='image 4' src='http://www.js-examples.com/data/pic4.gif'></a>");
var div2 = new NewDiv2(window, "banner", _banners[0],0,0,50,50,500,"ABSOLUTE");
var count=0; /* which one to start with */
function doIt() {
count++;
count%=_banners.length;
div2.setBody(_banners[count]);
}