var majors = new Array('wer', 'warum',  'wie', 'wohin', 'weitere');
function toggle(a, b) {
	if (!document.getElementById) return true;
	if (b==1) for (var i=majors.length-1; i>=0; i--) if (majors[i] != a) document.getElementById(majors[i]).style.display='none';
	a=document.getElementById(a);
	a.style.display=(a.style.display=='block')?'none':'block';
	return false;
}
var minors = new Array('gesundheit', 'lepra', 'buruli', 'tb', 'afrika', 'asien');
function toggle2(a, b) {
	if (!document.getElementById) return true;
	if (b==1) for (var i=minors.length-1; i>=0; i--) if (minors[i] != a) document.getElementById(minors[i]).style.display='none';
	a=document.getElementById(a);
	a.style.display=(a.style.display=='block')?'none':'block';
	return false;
}
<!-- hides sub level navigation if javascript is enabled -->
function hideMenu() {
	var navMenu = document.getElementById('nav');
	var navUL = navMenu.getElementsByTagName('ul');
	
	for (var i=navUL.length-1; i>=0; i--) {
		navUL[i].style.display='none';
	}
}




function change(id, newid) {
var a = document.getElementById (id);
if (a)
	a.id = newid;
}



function LogIn(){
loggedin=false;
password="";
password=prompt("Passwort:","");
password=password.toLowerCase();
if (password=="buruli06") { 
loggedin=true;
window.location="5_downloads.php";
}
if (loggedin==false) {
alert("Falsches Passwort");
}
}