function changeBanner() {

posImg=Math.random()*10;
posImg = parseInt(posImg,10);


if (posImg>10){
	document.banner.src="http://www.pentateuch.com.au/imgs/banner/1.jpg";
 } else {
	document.banner.src="http://www.pentateuch.com.au/imgs/banner/"+posImg+".jpg";
}

}