function getCookie(name){
  if(document.cookie){
    var cook=document.cookie;
    var i=0;
    var suche=name+"=";
    while (i<cook.length){
      if(cook.substring(i,i+suche.length)==suche){
        var ende=cook.indexOf(";",i+suche.length);
        ende=(ende > -1) ? ende : cook.length;
        cook = cook.substring(i+suche.length,ende);
        return unescape(cook);
      }
      i++;
    }
  }
  return "";
}

function setCookie(name,wert){
  var cook = name + "=" + unescape(wert);;
  if(!document.cookie){
    var expires =  (new Date(a.getTime() + (24*60*60*1000000))).toGMTString();
    cook += "; expires=" + expires;
  }
  document.cookie=cook;
}

function takeCSS(wert)
{
 setCookie("cssdef",""+wert);
 location = "barrierefreiheit.html";
 return;
}

function schrift_groesser(){
  var wert=getCookie("sizedef");
  if (wert==""){ wert="85.01%";}
  if (wert=='85.01%'){wert='110.01%';}
  else {wert='135.01%';}
  setCookie("sizedef",wert);
  location = "barrierefreiheit.html";
  return;
}

function schrift_normal(){
  setCookie("sizedef","85.01%");
  location = "barrierefreiheit.html";
  return;
}

function schriftgroesse(){
  var wert=getCookie("sizedef");
  if (wert==""){ wert="85.01%";}
  id = document.getElementById("bd");
  id.style.fontSize = wert;
  return;
}

if(document.cookie){
  var c=getCookie("cssdef");
  if (c=="2"){
    document.writeln('<link rel="stylesheet" href="../fileadmin/templates/css/johannis_sw.css" type="text/css"/>');
  }
  else if (c=="3"){
    document.writeln('<link rel="stylesheet" href="../fileadmin/templates/css/johannis_gb.css" type="text/css"/>');
  }
  else{
    document.write('<link rel="stylesheet" href="../fileadmin/templates/css/johannis.css" type="text/css"/>');
  }
}
else{
  document.writeln('<link rel="stylesheet" href="../fileadmin/templates/css/johannis.css" type="text/css"/>');
}
document.close();