var aktualneLogo = -1;
var Logos = [];
Logos[1] = [];
Logos[1]['img'] = 'http://swiadectwo.builddesk.pl/logos/1_archipelag.gif';
Logos[1]['href'] = 'http://www.archipelag.pl';
Logos[2] = [];
Logos[2]['img'] = 'http://swiadectwo.builddesk.pl/logos/2_domy_mtm.gif';
Logos[2]['href'] = 'http://www.domywstylu.eu';
Logos[3] = [];
Logos[3]['img'] = 'http://swiadectwo.builddesk.pl/logos/3_z500.gif';
Logos[3]['href'] = 'http://www.z500.pl';
Logos[4] = [];
Logos[4]['img'] = 'http://swiadectwo.builddesk.pl/logos/4_atrium.gif';
Logos[4]['href'] = 'http://www.studioatrium.pl';

function rand(minimum, maximum) {
	var losowe = minimum + (Math.random() * (maximum - minimum));
	return Math.round(losowe);
}

function nextImg() {
	var logoNo = document.getElementById('logoNo');
	if (logoNo.value == "4") {
		logoNo.value = 1;
		return 1;
	} else {
		logoNo.value = parseInt(logoNo.value) + 1;
		return logoNo.value;
	}
}

function zmienZdjecie() {
	Nr = nextImg();
	$('#Logo_a').attr('href', Logos[Nr]['href']);
	$('#Logo_img').fadeOut("slow", function() {
		$(this).attr('src', Logos[Nr]['img']);
		$(this).fadeIn("slow");
	});
	setTimeout("zmienZdjecie()",5000);
}
$(document).ready(function() {
	setTimeout("zmienZdjecie()",5000);
});