var adImages = new Array("/images/billboard_newyork.jpg","/images/billboard_blad.jpg","/images/billboard_vrucht.jpg","/images/billboard_klomp.jpg","/images/billboard_invader.jpg","/images/billboard_plein.jpg","/images/billboard_ruine.jpg","/images/billboard_flex.jpg","/images/billboard_schipholtrap.jpg","/images/billboard_80.jpg","/images/billboard_dommel.jpg","/images/billboard_lampje.jpg","/images/billboard_waterlelie.jpg","/images/billboard_zonsondergang.jpg");
var thisAd = 0;

function rotate() {
	thisAd++;
	if (thisAd == adImages.length) {
		thisAd = 0;
	}
	document.getElementById("adBanner").src = adImages[thisAd];

}

var hideNav;

function showLayer(id) {
	clearTimeout(hideNav);
	document.getElementById(id).style.display = 'block';
}

function hideLayers(){
	hideNav= setTimeout('hideLayer("prulleke");hideLayer("billboard")',150);
}

function hideLayer(id) {
	document.getElementById(id).style.display = 'none';
}