$(function(){

var imagesMany = $('#autoPhotos a');
var imagesOne = $('.autoPhoto a');

var overlayOptions = {
	target: '#gallery'
};
var galleryOptions = {
	speed: 400
};

if (imagesMany.length || imagesOne.length) {
	$('body').append('<div class="simple_overlay" id="gallery"><a class="prev">Предыдущая</a><a class="next">Следующая</a><div class="info"></div><img class="progress" src="js/overlay/loading.gif" /></div>');
}

if (imagesMany.length) {
	imagesMany.overlay(overlayOptions).gallery(galleryOptions);
}

if (imagesOne.length) {
	imagesOne.each(function(){
		$(this).overlay(overlayOptions).gallery(galleryOptions);
	});
}

});