function showImage(url, w, h){
  $("#galleryImage").attr("src",url);

  $("#galleryImage").attr("width", w);
  $("#galleryImage").attr("height", h);
  
  

  $("div.galleryOverlay").overlay({
		top: 'center',
		left: 'center',

		expose: {
			color: '#000000',
			opacity: 0.75
		},
		api: true
	}).load();

	$("div.galleryOverlay").click( function() {
			$("div.galleryOverlay").overlay({api:true}).close();
		}
	);
}