$(function() {
	
	preparaLaTavola();
	elementi = $("#gall img").size();
	setInterval('galleria()', 3000);
	
})

var elementi;
var pos = 0;
var galleriaSelfTimer;

function galleria() {
	
	var hide;
	var show;
	
	if(pos < elementi-1) {
		hide = pos;
		show = pos+1;
		pos++;
	} else {
		hide = pos;
		show = 0;
		pos = 0;
	}
	
	$($("#gall-nav img").get(show)).attr("src", '/public/images/img-selected.jpg');
	$($("#gall-nav img").get(hide)).attr("src", '/public/images/img-n-selected.jpg');
		
	$($("#gall img").get(hide)).fadeOut();
	$($("#gall img").get(show)).fadeIn();
	
}

function preparaLaTavola() {

	$("#gall").css({
		position: 'absolute'
	});
	
	$("#gall-nav").css({
		width: '100%',
		textAlign: 'center'
	})
	
	$("#gall img").css({
		position: 'absolute',
		top: 0,
		left: 0
	});
	
	$("#gall-nav").css({
		position: 'absolute',
		top: 360
	})
	
	$("#gall img").each(function() {
		$("#gall-nav").append('<img width="10" src="/public/images/img-n-selected.jpg" /> ');
	})
	
}