var getPreferredPhoto = function() {
	return 'couche_soleil2.jpg';
}

var getActivePhoto = function() {
	return photo;
}

var setActivePhoto = function(nomPhoto) {
	if(nomPhoto != '') {
		var photo = document.getElementById('photo');
		var mode = getActiveStyleSheet().substring(0, getActiveStyleSheet().indexOf(' ')).toLowerCase();
		photo.style.backgroundImage = 'url(images/' + mode + '/photos/' + nomPhoto + ')';
	}
}

var photoLoad = function() {
	var photo = getActivePhoto() ? getActivePhoto() : getPreferredPhoto();
	setActivePhoto(photo);
}

var reloadCurrentPhoto = function() {
	setActivePhoto(getActivePhoto());
}