// cookie Start

var Wert = '';
if (document.cookie) {
  Wert = getCookie("Groesse"); // geändert!
}

function get_cookie(Bezeichner) {
  var value=null;
  if(document.cookie != "") {
    var kk=document.cookie.indexOf(Bezeichner+"=");
    if(kk >= 0) {
      kk=kk+name.length+1;
      var ll=document.cookie.indexOf(";", kk);
      if(ll < 0)ll=document.cookie.length;
      value=document.cookie.substring(kk, ll);
      value=unescape(value); 
    }
  }
  return value;
}

function changeBody(fontSize){
 Verfallszeit = 1000 * 60 * 60 * 24;
 Schrift = fontSize;
 switch (fontSize){
   case "normal":
     document.getElementById("zoom_normal").className = "toolon";
     document.getElementById("zoom_gross").className = "";
     document.getElementById("zoom_groesser").className = "";
     document.getElementsByTagName("body")[0].style.fontSize = "100.1%";
     if(navigator.userAgent.match(/MSIE/)){
       var lraBranding = document.getElementById('lraBranding');
       if(lraBranding != null){
         lraBranding.style.top = '5.6em';
       }
     }
     break;
   case "gross":
     document.getElementById("zoom_normal").className = "";
     document.getElementById("zoom_gross").className = "toolon";
     document.getElementById("zoom_groesser").className = "";
     document.getElementsByTagName("body")[0].style.fontSize = "125.1%";
     if(navigator.userAgent.match(/MSIE/)){
       var lraBranding = document.getElementById('lraBranding');
       if(lraBranding != null){
         lraBranding.style.top = '6.1em';
       }
     }
     break;
   case "groesser":
     document.getElementById("zoom_normal").className = "";
     document.getElementById("zoom_gross").className = "";
     document.getElementById("zoom_groesser").className = "toolon";
     document.getElementsByTagName("body")[0].style.fontSize = "150.1%";
     if(navigator.userAgent.match(/MSIE/)){
       var lraBranding = document.getElementById('lraBranding');
       if(lraBranding != null){
         lraBranding.style.top = '5.9em';
       }
     }
     break;
   }
 setCookie("Groesse", Schrift, Verfallszeit);
 fontSize = Schrift;
}

//cookies Begin

// schreibt ein Cookie
function setCookie(Bezeichner, Wert, Verfall) {
  if (Wert == "") {
  	// Cookie loeschen
  	document.cookie = Bezeichner + "=; expires=Thu, 01-Jan-70 00:00:01 GMT; path=/; ";
  } else {
  	// Cookie setzen	
	var jetzt = new Date();
  	var Auszeit = new Date(jetzt.getTime() + Verfall);
  	document.cookie = Bezeichner + "=" + Wert + "; expires=" + Auszeit.toGMTString() + "; path=/; ";
  }
}
// liest den Inhalt des angegebenen Cookies aus
function getCookie(bezeichner) {
  var value = '';

  if(document.cookie && document.cookie != '') {
	var cookies = document.cookie.split(';');
      for (var i = 0; i < cookies.length; i++) {
         var currentCookie = trim(cookies[i]);
         if (currentCookie.substring(0, bezeichner.length+1) == (bezeichner+"=")) {
             value = unescape(currentCookie.substring(bezeichner.length+1));
             break;
         }
      }
   }
  return trim(value);
}

// entfernt führende und folgende Leerzeichen
function trim(value) {
   var startValue = 0;
   var endValue = value.length-1;
   for (var i = 0; i < value.length; i++) {
	if(value.charAt(i)!=' ') {
        startValue=i;
        break;
      }
   } 
   for (var i = value.length-1; i >= 0; i--) {
	if(value.charAt(i)!=' ') {
        endValue=i;
        break;
      }
   } 
   return value.substring(startValue, endValue+1);

}
// End Cookie