var ver=navigator.appVersion;
var dom=document.getElementById?1:0;
var ns4=(document.layers&&!dom)?1:0;
var version=navigator.appVersion.substring(40,3);
var ns5=(dom&&parseInt(ver)>=5)?1:0;
var ie4=(document.all&&!dom)?1:0;
var ie5=(ver.indexOf("MSIE")>-1&&dom)?1:0;
var opera=(navigator.userAgent.toLowerCase().indexOf('opera') != -1)?1:0;
var rechner=navigator.platform;
var win=(rechner.substring(0,3)=="Win")?1:0;

function ueber(name,id){
	if(ns4){
		var x=document.layers[id].document.images[name].src;
		x= 	x.replace(/_n\.gif/,'_h.gif');
		document.layers[id].document.images[name].src=x;
		
	}
	else{
		var x=document.images[name].src;
		x= x.replace(/_n\.gif/,'_h.gif');
		document.images[name].src=x;
	}
}


function aus(name,id){
	if(ns4){
		var x=document.layers[id].document.images[name].src;
		x= x.replace(/_h\.gif/,"_n.gif");
		document.layers[id].document.images[name].src=x;	
	}
	else{
		var x=document.images[name].src;
		x= x.replace(/_h\.gif/,"_n.gif");
		document.images[name].src=x;	
	}
}

function ueberjpg(name,id){
	if(ns4){
		var x=document.layers[id].document.images[name].src;
		x= 	x.replace(/_n\.jpg/,'_h.jpg');
		document.layers[id].document.images[name].src=x;		
	}
	else{
		var x=document.images[name].src;
		x= x.replace(/_n\.jpg/,'_h.jpg');
		document.images[name].src=x;
	}
}


function ausjpg(name,id){
	if(ns4){
		var x=document.layers[id].document.images[name].src;
		x= x.replace(/_h\.jpg/,"_n.jpg");
		document.layers[id].document.images[name].src=x;	
	}
	else{
		var x=document.images[name].src;
		x= x.replace(/_h\.jpg/,"_n.jpg");
		document.images[name].src=x;	
	}
}

function wechsel(adr1,F1,adr2,F2) {
  Frame1=eval("parent."+F1);
  Frame1.location.href = adr1;
  Frame1=eval("parent."+F2);
  Frame1.location.href = adr2;
}

//fuer ns4 - neu laden, wenn sich fenstergroesse aendert
function neuLaden() {
	if (ns4) {
if (innerWidth!=document.breite || innerHeight!=document.hoehe){
history.go(0);
document.breite=innerWidth;
document.hoehe=innerHeight;
	}
 }
}

//Preload
function preload(){
var yourImages = new Array();
if (document.images) {
var preImages = new Array();
	for(i=0;i<yourImages.length;i++){
		preImages[i]=new Image();
		preImages[i].src=yourImages[i];
	}	
}
}