var photo_id = 1;
	var photo_iteration = 1;
	var photo_id_start = 1;
	var photo_id_max;

	var photo_delay_time = 3000;
	var photo_transformation_time = 1000;

	var timeout_handler = null;

	function init_photo_changer()
	{
		timeout_handler = setTimeout( 'photo_move()', photo_delay_time );
	}
		
	function photo_move()
	{
		photo_id_new = photo_id + photo_iteration;

		if ( photo_id_new > photo_id_max )
			photo_id_new = photo_id_start;

		photo_change( photo_id_new );
	}

	function photo_change( photo_id_new )
	{
		if ( photo_id_new != photo_id )
		{
			clearTimeout( timeout_handler );

			$( '#photo_' + photo_id_new ).fadeIn( photo_transformation_time );
			$( '#photo_' + photo_id ).fadeOut( photo_transformation_time );

			photo_id = photo_id_new;

			timeout_handler = setTimeout( 'photo_move()', photo_delay_time );
		}
	}