// MouseOver Navi - Anfang
userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function findElement(n,ly) {
	if (browserVers < 4)		return document[n];
	var curDoc = ly ? ly.document : document;
	var elem = curDoc[n];
	if (!elem) {
		for (var i=0;i<curDoc.layers.length;i++) {
			elem = findElement(n,curDoc.layers[i]);
			if (elem) return elem;
		}
	}
	return elem;
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		var img;
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			img = null;
			if (document.layers) {
				img = findElement(changeImages.arguments[i],0);
			}
			else {
				img = document.images[changeImages.arguments[i]];
			}
			if (img) {
				img.src = changeImages.arguments[i+1];
			}
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		navi_imressum_over = newImage("http://bilder.kronen-am-zoo.info/navi_imressum-over.jpg");
		navi_start_over = newImage("http://bilder.kronen-am-zoo.info/navi_start-over.jpg");
		navi_restaurant_over = newImage("http://bilder.kronen-am-zoo.info/navi_restaurant-over.jpg");
		navi_veranstaltungen_over = newImage("http://bilder.kronen-am-zoo.info/navi_veranstaltungen-over.jpg");
		navi_anfahrt_over = newImage("http://bilder.kronen-am-zoo.info/navi_anfahrt-over.jpg");
		navi_ueber_uns_over = newImage("http://bilder.kronen-am-zoo.info/navi_ueber_uns-over.jpg");
		navi_partyservice_over = newImage("http://bilder.kronen-am-zoo.info/navi_partyservice-over.jpg");
		navi_gesellschaften_over = newImage("http://bilder.kronen-am-zoo.info/navi_gesellschaften-over.jpg");
		navi_kontakt_over = newImage("http://bilder.kronen-am-zoo.info/navi_kontakt-over.jpg");
		preloadFlag = true;
	}
}
// MouseOver Navi - Ende

//Fenster Mittig

var Fenster = null;
function neuesFenster(meineSeite,meinName,w,h,scroll)
{
LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
settings ='height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable'
Fenster = window.open(meineSeite,meinName,settings)
}