var liy="";
var cls="";

function testen()
{
if ((navigator.appName=="Microsoft Internet Explorer")&&(navigator.appVersion.charAt(0)>=4))
{schicht="document.all";auf="[";zu="]";stil=".style";}
else if
((navigator.appName=="Netscape")&&(navigator.appVersion.charAt(0)>=4)&&(navigator.appVersion.substring(0,1)<5)&&(navigator.appVersion.substring(2,3)>=5))
{schicht="document.layers";auf="[";zu="]";stil="";}
else if
((navigator.appName=="Netscape")&&(navigator.appVersion.charAt(0)>=5))
{schicht="document.getElementById";auf="(";zu=")";stil=".style";}
else
{schicht="document.getElementById";auf="(";zu=")";stil=".style";}

}

testen();

function navi(li)
{
if (liy)
{
eval(schicht+auf+'liy'+zu+stil+'.visibility="hidden"');
}
if (li)
{
eval(schicht+auf+'li'+zu+stil+'.visibility="visible"');
liy=li;
}
}

function off (lin)
{
eval(schicht+auf+'lin'+zu+stil+'.visibility="hidden"');
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

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

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		dorf_over = newImage("main/nav/dorf-over.gif");
		kinder_over = newImage("main/nav/kinder-over.gif");
		aktiv_over = newImage("main/nav/aktiv-over.gif");
		erlebnis_over = newImage("main/nav/erlebnis-over.gif");
		winter_over = newImage("main/nav/winter-over.gif");
		galerie_over = newImage("main/nav/galerie-over.gif");
		preloadFlag = true;
	}
}