var imgArray = new Array("random/heritage_bin.jpg", "random/merri_ton.jpg", "random/garden_tour.jpg", "random/mcg.jpg", "random/merrit_can.jpg",
	"random/statue.jpg", "random/green_committee.jpg", "random/porch.jpg", "random/cake.jpg", "random/costumed.jpg",
	"random/planting.jpg", "random/flags.jpg", "random/greenery.jpg", "random/planting2.jpg", "random/arena_anniversary.jpg", "random/bins.jpg");

var numHolders = 4;
var imgInd = new Array(0,1,2,3);
imgInd[0] = Math.floor(Math.random() * imgArray.length);
imgInd[1] = imgInd[0] + 1;
if (imgInd[1] >= imgArray.length) { imgInd[1] = 0; }
imgInd[2] = imgInd[1] + 1;
if (imgInd[2] >= imgArray.length) { imgInd[2] = 0; }
imgInd[3] = imgInd[2] + 1;
if (imgInd[3] >= imgArray.length) { imgInd[3] = 0; }
var curImgInd = -1;

function setCurrentImage(obj) {
	curImgInd = obj.name.substring(5);
}

function unsetCurrentImage() {
	curImgInd = -1;
}

function rotateImages() {
	var img, link;
	for (ind=0; ind<numHolders; ind++) {
		img = imgArray[imgInd[ind]];
		imgInd[ind] = (imgInd[ind]+1) % imgArray.length;
		if (document.images) {
			document.images['rImg'+ind].src = img;
		} else if (document.all) {
			document.all['rImg'+ind].src = img;
		} else if (document.getElementById) {
			document.getElementById('rImg'+ind).src = img;
		}
	}
	setTimeout("rotateImages()", 15000);
}

function showRandomImage(ind) {
	document.write("<img src=\"" + imgArray[ind] + "\"  class=\"bordered\" name=\"rImg" + ind + "\" id=\"rImg" + ind + "\" width=\"184\" height=\"136\" alt=\"Random image\">");
}