var galleryImageURL;	
var galleryDescriptionText = "";
var galleryWindow = null;

function galleryOpenClick(source)
{
	galleryImageURL = source.href;
	if (source.childNodes.length > 0 && source.childNodes[0].alt)
		galleryDescriptionText = source.childNodes[0].alt;
	else galleryDescriptionText = "";
	if (galleryWindow) {
		galleryWindow.document.getElementById("imageLoadingDiv").style.display = "";
		galleryWindow.document.getElementById("imageDiv").style.display = "none";
  	if (galleryWindow.focus) galleryWindow.focus();
		galleryWindowLoaded(galleryWindow);
  }
  else {
  	window.open("gallery_popup.html", "CafeRioGallery", "height=20,width=250,location=no,menubar=no,status=no,toolbar=no,directories=no,resizable=yes");
  }
	return false;
}
	
function galleryWindowLoaded(_galleryWindow)
{
	galleryWindow = _galleryWindow;
	galleryWindow.document.getElementById("description").innerHTML = galleryDescriptionText;
	galleryWindow.document.getElementById("image").src = galleryImageURL;
	if (galleryWindow.focus) galleryWindow.focus();
}

function galleryWindowUnloaded()
{
	galleryWindow = null;
}

function galleryImageLoaded()
{
	if (!galleryWindow) return;
	galleryWindow.document.getElementById("imageLoadingDiv").style.display = "none";
	galleryWindow.document.getElementById("imageDiv").style.display = "";	
	var descHeight = galleryWindow.document.getElementById("description").innerHTML.length > 0 ? 32 : 0;
	var image = galleryWindow.document.getElementById("image");
	galleryWindow.resizeTo(image.width + 32, image.height + + 120 + descHeight);
}