function neuesfenster(mes,lang)
{
top.name = "main_window";
var breite = 490;
var hoehe = 700; 
var seite = 0;
var oben = 0;
params = ('width='+ breite
+',height='+ hoehe +',left='
+ seite +',top='+ oben+',scrollbars=yes');
var popupURL = "show_folder.php?lang="+lang;
var popup = window.open(popupURL,"",params);
if( (!popup) || (popup.closed) ) {
				alert(mes);}
if( navigator.appName.substring(0,8) == "Netscape" )
{
popup.location = popupURL;
popup.opener = self;
}
}

function showhidefolder(id) {
	var closelast = false; // Klappt offene Menüs zu
	if(document.getElementById) {
		el = document.getElementById(id);
		if(el && el.style)	{
			level = id.split("_");
			level = level.length;
			if(lid[level] && closelast) {
				if(lid[level] != id) document.getElementById(lid[level]).style.display = "none";
			}
			lid[level] = id;
			el.style.display = (el.style.display == "none") ? "" : "none";
		}
	}
}

function showhide(id) {
	var closelast = true; // Klappt offene Menüs zu
	if(document.getElementById) {
		el = document.getElementById(id);
		if(el && el.style)	{
			level = id.split("_");
			level = level.length;
			if(lid[level] && closelast) {
				if(lid[level] != id) document.getElementById(lid[level]).style.display = "none";
			}
			lid[level] = id;
			el.style.display = (el.style.display == "none") ? "" : "none";
		}
	}
}