Lamps = {

	showAdvice: function(link, index) {
	
		$$('#advice-menu ul li a').each(function(l) {
			l.className = '';
		});
		
		link.className = 'current';
		
		$$('#advice-content div').each(function(d) {
			
			if (d.visible()) {
				new Effect.Fade(d, {duration: 0.5, queue: 'end'});
			}
			
		});
		
		new Effect.Appear('advice-' + index, {duration: 0.5, queue: 'end'});
	
	},
	fadeContent: function() {
	
		if ($('buying-advice').visible()) {
			new Effect.Fade('buying-advice', {duration: 0.5, queue: 'end'});
		} else if ($('available-lamps').visible()) {
			new Effect.Fade('available-lamps', {duration: 0.5, queue: 'end'});
		}
	
	},
	showProjector: function(html) {
	
		$('available-lamps').update(html);
		new Effect.Appear('available-lamps', {duration: 0.5, queue: 'end'});
	
	},
	restoreAdvice: function() {
	
		if ($('available-lamps').visible()) {
			new Effect.Fade('available-lamps', {duration: 0.5, queue: 'end', afterFinish: function(effect) {
				$('advice-menu').style.display = 'block';
				new Effect.Appear('buying-advice', {duration: 0.5});
			}});
		}
	
	}
	
}