var onExt = "_on.gif";
	var offExt = "_off.gif";
	

function doPreload() {

	var bildan = new Array();
	var bildaus = new Array();
	
	var anzahl = 9;
	
	imgName = new Array('aktuelles','ueber_uns','musik','konzerte','radau_shop','post_an_radau','spiele','newsletter','kontakt');

	for(i=0; i < anzahl; i++){
	
		bildan[i] = new Image();
		bildan[i].src = "/img/navi/" + imgName[i] + onExt;
		bildaus[i] = new Image();
		bildaus[i].src = "/img/navi/" + imgName[i] + offExt;
	}
}

doPreload();
	

function on(imgName){
	if(imgName=="produkt_probe"){
		document.images[imgName].src = "/img/navi/" + imgName + onExt;
		document.images['produkt_probe2'].src = "/img/navi/produkt_probe2" + onExt;
	}else{
		document.images[imgName].src = "/img/navi/" + imgName + onExt;
	}
}

function off(imgName){
	if(imgName=="produkt_probe"){
		document.images[imgName].src = "/img/navi/" + imgName + offExt;
		document.images['produkt_probe2'].src = "/img/navi/produkt_probe2" + offExt;
	}else{
		document.images[imgName].src = "/img/navi/" + imgName + offExt;
	}
}


function popupAll(seite,title,id,breit,hoch){
	breite = screen.width;
	hoehe = screen.height;
	links = (breite-breit)/2;
	oben = (hoehe-hoch)/2;
	
	if(id){
		url = seite+'?id='+id;
	}else{
		url = seite;
	}

	fensterAll = window.open(url,title,'width='+breit+',height='+hoch+',left='+links+',top='+oben);
	fensterAll.focus();
}