function initLightbox() {
	myLightbox = new Lightbox(); 
	if (document.getElementById('defaultImageLink')) {
		myLightbox.start(document.getElementById('defaultImageLink')); 	
	}

	if($('loading_layer')) {
		
		setTimeout("new Effect.Appear('loading_layer', { duration: 0.3, from: 1.0, to: 0.0 })", 600 );
		
	}
	
	if($('gallery_layer')) {
		
		setTimeout("Element.show('gallery_layer');", 1000 );
	}
}

Event.observe(window, 'load', initLightbox, false);