var imagewindow = '';
function viewphoto(img, width, height){
	if (!imagewindow.closed && imagewindow.location){
		imagewindow.close();
	}
	imagewindow = window.open(img, "imagewindow", "width="+(width+20)+", height="+(height+20));
	if(imagewindow == null){
		alert("A popup blocker may be preventing you to view this image.  Try disabling your popup blocker to view this image.");
		return false;
	}
	return true;
}