if(navigator.appName.indexOf("Netscape") > -1 && 
navigator.appVersion.substr(0,1) <= "4")
parent.location.href="http://www.schwarzkunst.ch/ZZ_netscape4.html";

function MM_openBrWindow(theURL,winName,features) { //v2.0
window.open(theURL,winName,features);
}
function readmore(a,b){
  var e=document.getElementById(a);
  var f=document.getElementById(b);
  if(!e)return true;
  if(e.style.display=="none"){
    e.style.display="block";
	f.style.display="none"
  } else {
    e.style.display="none";
	f.style.display="block"
  }
  return true;
}