function belegung_adler() {
F2=window.open('belegung_adlergebirge.htm','Fenster2','width=350,scrollbars=YES,screenX=0,screenY=0');
}


function belegung_riesen() {
F2=window.open('belegung_riesengebirge.htm','Fenster2','width=350,scrollbars=YES,screenX=0,screenY=0');
}

function belegung_iser() {
F2=window.open('belegung_isergebirge.htm','Fenster2','width=350,scrollbars=YES,screenX=0,screenY=0');
}

// check we are in the navigation frameset
function inNavFrameset() {
	if (top.location != self.location) { // we are in a frameset
		if (parent.topFr) { // we are in the nav frameset
			return true;
		}
	}
	return false;
}





function Fenster02(URL)
{
fenster1=window.open(URL,'infofenster','height=400,width=520');
}



function bildtausch(bildname,tauschbild)
{
document.images[bildname].src=tauschbild;
}