/* Banner Javascript */

var banners = new Array();
var slide = 0;
var imageDir = "Images/";

function chooseImg(prefix)
{	
	for(i = 0; i < 2; i++)
	{
		banners[i] = new Image();
		banners[i].src = prefix + imageDir + "pic_banner" + (1 + i) + ".png";
	}	
	
	var index = Math.floor(Math.random() * banners.length);
	document.images.pic_banner.src = banners[index].src;
}