var images	= new Array('baltic', 'brugge',  'france', 'ohio', 'portugal');
var bus		= new Array(
	'NewcastleGateshead 7 (BALTIC Centre for Contemporary Art) 2005',
	'Brugge 2, 2005',  
	'France 1 (Biennale de Lyon) 2005', 
	'Ohio 2 (Museum of Contemporary Art Cleveland) 2004', 
	'Portugal 2 (Santa Maria da Freira) 2003'
	// Miami Beach 1 (Sagamore) 2007
);
var current_image = 0;

function update_image() {
	$('current-image').innerHTML = (current_image + 1) + ' / ' + images.length;
	$('displayed-image').src = "images/fotos/" + images[current_image] + ".jpg";
	$('image-caption').innerHTML = bus[current_image];
}

function prev_image() {
	current_image--;
	if (current_image < 0) current_image = images.length - 1;
	update_image();
}

function next_image() {
	current_image++;
	if (current_image >= images.length) current_image = 0;
	update_image();
}