function openProductPhotoGallery() {
	var rows = document.getElementById("photoBox").getElementsByTagName("tr");
	for(i = 0; i < rows.length; i++) {
		if (rows[i].style.display == "none") rows[i].style.display = "block";
	}
	document.getElementById("photoLink").innerHTML = '<a href="#" onclick="closeProductPhotoGallery();return false;">close</a>';	
}
function closeProductPhotoGallery() {
	var rows = document.getElementById("photoBox").getElementsByTagName("tr");
	for(i = 0; i < rows.length; i++) {
		if (rows[i].className == "photoThumb") rows[i].style.display = "none";
	}
	document.getElementById("photoLink").innerHTML = '<a href="#" onclick="openProductPhotoGallery();return false;">view all photos</a>';	
}