function changeImage(path, site, img, side) {
	var i = 1;
	if (img.src.indexOf('images/photos/' + site + '_' + side + '_1.jpg') != -1) i = 2;
	img.src = path + 'images/photos/' + site + '_' + side + '_' + i + '.jpg';
}

function change3Images(path, site, img, side) {
	var i = 1;
	if (img.src.indexOf('images/photos/' + site + '_' + side + '_1.jpg') != -1) i = 2;
	if (img.src.indexOf('images/photos/' + site + '_' + side + '_2.jpg') != -1) i = 3;	
	img.src = path + 'images/photos/' + site + '_' + side + '_' + i + '.jpg';
}