function ImagesGoTo(id) {
	var oImg = document.getElementById('oImg');
	oImg.src = imgArray[id];
	counter = id;
	if(counter < count) {
		document.getElementById('oNext').innerHTML = 'Next &rarr;';
	} else {
		document.getElementById('oNext').innerHTML = '&nbsp;';
	}
	if(counter > 0) {
		document.getElementById('oPrev').innerHTML = '&larr; Previous';
	} else {
		document.getElementById('oPrev').innerHTML = '&nbsp;';
	}
}

function ImagesNext() {
	if(counter < count) {
		var next = counter + 1;
		ImagesGoTo(next);
	}
}

function ImagesPrev() {
	if(counter > 0) {
		var prev = counter - 1;
		ImagesGoTo(prev);
	}
}