var faded = false;
var counter = 0;
var pictures = new Array(
	Array('bathhouse_ext.jpg', 'bathhouse_int.jpg'),
	Array('risd_1.jpg', 'risd_2.jpg'),
	Array('farnsworth_ext.jpg', 'farnsworth_int.jpg'),
	Array('rio_1.jpg', 'rio_2.jpg'),
	Array('driftwood1.jpg', 'driftwood2.jpg'),
	Array('highplains1.jpg', 'highplains3.jpg', 'highplains2.jpg')
);

var fader = function()
{
	if (faded)
	{
		var swapper = new Swapper($('image_1'), $('image_2'), pictures);
		new Effect.Appear($('content'));
		faded = false;
		setTimeout('fader()', 4000);
	}
	else
	{
		new Effect.Fade($('content'));
		faded = true;
		setTimeout('fader()', 1000);
	}
};

function Swapper(elem1, elem2, images)
{
	var imgFolder = 'images/';
	if (counter < images.length - 1)
	{
		counter++;
	}
	else
	{
		counter = 0;
	}
	elem1.src = imgFolder + images[counter][0];
	elem2.src = imgFolder + images[counter][1];
	var name = elem1.src.split(/\//);
	if (name[name.length - 1] == 'highplains1.jpg')
	{
		$('image_3').setStyle({display: 'inline'});
		$('image_3').src = imgFolder + images[counter][2];
	}
	else
	{
		$('image_3').setStyle({display: 'none'});
	}
}