var divName="#div", divShow, divHide, imageCount, imageTotal;

function initImageCount() {
	imageCount = 1;
	imageTotal = document.images.length;
	document.getElementById('imageNum').innerHTML = imageCount + "/" + imageTotal;
}

function switchImage(divHide, divShow) {
	$(divHide).fadeOut(750);
	$(divShow).fadeIn(750);
	document.getElementById('imageNum').innerHTML = imageCount + "/" + imageTotal;
}

function previousImage() {
	divHide=divName+imageCount;
	if (imageCount==1) {
		imageCount=(imageTotal+1);
		}
	divShow=divName+(imageCount+= -1);
	switchImage(divHide, divShow);
}

function nextImage() {
	divHide=divName+imageCount;
	if (imageCount==imageTotal) {
		imageCount=0;
		}
	divShow=divName+(imageCount+= 1);
	switchImage(divHide, divShow);
}