var timer;
var imgNr = -1;
var defaultChangeDelay = 2000;
var initialDelay = 5000;
var random = true;
var basedir = "http://www.huntenpop.nl/sponsor/";

function sponsor(banner,url,title,delay) {
	this.banner = banner;
	this.url = url;
	this.title = title;
	this.delay = delay;
}

theSponsors = new Array();
theSponsors[0] = new sponsor("bavaria.jpg","http://www.bavaria.nl","Bavaria",3500);
theSponsors[1] = new sponsor("pepsi.jpg","http://www.pepsi.nl","Pepsi",3500);
theSponsors[2] = new sponsor("communicatie-kant.jpg","http://www.communicatie-kant.nl","Communicatie Kant",3500);
theSponsors[3] = new sponsor("tiggelovend-kok.jpg","http://www.tiggelovend-kok.nl","Tiggelovend-Kok",3500);
theSponsors[4] = new sponsor("wim-bosman.jpg","http://www.wimbosman.nl","Wim Bosman",3500);
theSponsors[5] = new sponsor("gemeente-oude-ijsselstreek.jpg","http://www.oude-ijsselstreek.nl","gemeente Oude IJsselstreek",3500);
theSponsors[6] = new sponsor("de-gelderlander.jpg","http://www.gelderlander.nl","de Gelderlander",3500);
theSponsors[7] = new sponsor("dusseldorp.jpg","http://www.dusseldorp.nl","Dusseldorp",3500);
theSponsors[8] = new sponsor("echt-achterhoek.jpg","http://www.echtachterhoek.nl","Echt Achterhoek",3500);
theSponsors[9] = new sponsor("rabobank.jpg","http://www.rabobank.nl","Rabobank Graafschap-Zuid",3500);
theSponsors[10] = new sponsor("gemeente-doetinchem.jpg","http://www.doetinchem.nl","gemeente Doetinchem",3500);
theSponsors[11] = new sponsor("huntenkring.jpg","http://www.huntenkringbc.nl","Huntenkring Business Club",3500);
//theSponsors[12] = new sponsor("optimaal-fm.jpg","www.optimaal.fm","Optimaal FM",3500);
/**/

//als random true dan een random nummer:
if (random == true) {
	imgNr = Math.floor(Math.random()*theSponsors.length);
}

function prepareBanner() {
	clearTimeout(timer);
	var newFoto = basedir +theSponsors[imgNr].banner;
	document.getElementById("sponsor-banner").src = newFoto;
	document.getElementById("sponsor-banner-url").href = theSponsors[imgNr].url;
	document.getElementById("sponsor-banner-url").title = theSponsors[imgNr].title;
	timer = setTimeout('change()', initialDelay);
}

function change() {
	clearTimeout(timer);
	imgNr++;
	if (imgNr > (theSponsors.length-1)) {
		imgNr = 0;
	}
	var newFoto = basedir +theSponsors[imgNr].banner;
	var changeDelay = theSponsors[imgNr].delay;
	document.getElementById("sponsor-banner").src = newFoto;
	document.getElementById("sponsor-banner-url").href = theSponsors[imgNr].url;
	document.getElementById("sponsor-banner-url").title = theSponsors[imgNr].title;
	timer = setTimeout('change()', changeDelay);
}