function image(url) {
	document.thumbnail.src = url;
}

function fullsize(url) {
	var width, height;

	width = document.images[0].width + 20;
	width = width.toString();

	height = document.images[0].height + 50;
	height = height.toString();

	window.open(url,'fullsize','toolbar=no,location=no,directories=no,status=no,resizable=no,width=' + width + ',height=' + height);
}