var adImages = new Array("Images/rotate1.jpg","Images/rotate2.jpg","Images/rotate3.jpg","Images/rotate4.jpg","Images/rotate5.jpg","Images/rotate10.jpg","Images/rotate9.jpg","Images/rotate8.jpg","Images/rotate7.jpg","Images/rotate6.jpg","Images/rotate11.jpg");

 var thisAd = 0;

 function rotate() {
	thisAd++;
	if (thisAd == adImages.length) {
		thisAd = 0;
	}
	document.getElementById("banner").src = adImages[thisAd];

	setTimeout("rotate()", 3 * 1000);
}