var ind=0;
$(document).ready(function(){
	$('.photo_block').each(function(){
			$(this).children('.arrow_right').css('display','block');
			$(this).children('.arrow_left').css('display','block');
	});
	$('.arrow_left').click(function(){
		$(this).parents('.photo_block').children('.photos').children().last().insertBefore($(this).parents('.photo_block').children('.photos').children().first());
	});
	$('.arrow_right').click(function(){
		$(this).parents('.photo_block').children('.photos').children().first().insertBefore($(this).parents('.photo_block').children('.photos').children().last());
	});
});