var MaxImgs = 10;
var TheDate = new Date();
var TheNumber = TheDate.getSeconds();
if (TheNumber > MaxImgs){
	var TheSeconds = new String (TheDate.getSeconds());
	TheNumber = TheSeconds.substring(0, 1);
	if (TheNumber > MaxImgs){
		TheNumber = MaxImgs;
	}
}
var TheImg = "img/top_banner_" + TheNumber + ".jpg";