window.addEvent('domready', function() 
{
	$$('.npv-slideshow-item').addEvent ('click', function (e)
		{
			e.stop ();

			var fadeInContent = $(this.id.substring (0, this.id.length - 6));
			var fadeOutContent = $$('.npv-slideshow-activecontent');
			var hideOutContents = $$('.npv-slideshow-content').filter (function (i) { return i != fadeInContent && i != fadeOutContent; });
			var fadeOutButtons = $$('.npv-slideshow-item').filter (function (i) { return i != this; });
			if (fadeOutContent[0] == fadeInContent)
				return;

			fadeInContent.fade ('hide');
			hideOutContents.fade ('hide');
			fadeOutContent.fade (0);
			fadeInContent.fade (1);

			fadeOutButtons.removeClass ('npv-slideshow-activeitem');
			this.addClass ('npv-slideshow-activeitem');

			fadeOutContent.removeClass ('npv-slideshow-activecontent');
			fadeInContent.addClass ('npv-slideshow-activecontent');
		}
	);
});