var Stil = "Standard";
var Keks = "Layout";
var Tage = 30;

function setBigFontSize () {
  document.body.style.fontSize = "1.1em";
}
function resetFont () {
  document.body.style.fontSize = "";
  document.body.style.fontFamily = "";
}
function setGebFont() {
  document.body.style.fontFamily = "Sutton DE,Hamnosys,arial";
}

function resetKfsSelMargin() {
  document.getElementById("kfs_aussenst_selectid").style.marginLeft = "";
  document.getElementById("kfs_ort_selectid").style.marginLeft = ""; 
}  

function setKfsSelMargin() {
  var browserName = navigator.appName;
  var browserVersion;
  /* if (browserName = "Microsoft Internet Explorer" && browserVersion <= 6 ) {  */
  if (navigator.appName.search("Microsoft") > -1) {
    browserVersion = navigator.appVersion.substring(17,25);
    if (browserVersion == "MSIE 6.0") {  
      document.getElementById("kfs_aussenst_selectid").style.marginLeft = "0.5em";
      document.getElementById("kfs_ort_selectid").style.marginLeft = "0.5em";
    }
    else {
      document.getElementById("kfs_aussenst_selectid").style.marginLeft = "0.3em";
      document.getElementById("kfs_ort_selectid").style.marginLeft = "0.3em";
    }    
  } /* end if */
  else {
    document.getElementById("kfs_aussenst_selectid").style.marginLeft = "0.3em";
    document.getElementById("kfs_ort_selectid").style.marginLeft = "0.3em";
  }
}  

// Style Switcher
function switchStyle(s) {
  if (s == "groesser") {
    setBigFontSize();
    setKfsSelMargin();
  } else {
    if (s == "geb") {
      setGebFont();
    } else {
      resetFont();
      resetKfsSelMargin();
    }
  } 
/*    
  if (!document.getElementsByTagName) return;
  var el = document.getElementsByTagName("link");
  for (var i = 0; i < el.length; i++ ) {
    if (el[i].getAttribute("rel").indexOf("style") != -1 && el[i].getAttribute("title")) {
      el[i].disabled = true;
      if (el[i].getAttribute("title") == s) el[i].disabled = false;
    }
  }
  
 */
}

function loadStyle() {
  var c = getStyleCookie();
  if (c && c != Stil) {
    switchStyle(c);
    Stil = c;
  }
}

function setStyle(s) {
  if (s != Stil) {
    switchStyle(s);
    Stil = s;
  }
  setStyleCookie();
}

window.onload = loadStyle;


// Cookie-Funktionen

function setCookie(name, value, expdays) {   // gültig expdays Tage
  var now = new Date();
  var exp = new Date(now.getTime() + (1000*60*60*24*expdays));
  document.cookie = name + "=" + escape(value) + ";" +
                    "expires=" + exp.toGMTString() + ";" +
                    "path=/";
}

function delCookie(name) {   // expires ist abgelaufen
  var now = new Date();
  var exp = new Date(now.getTime() - 1);
  document.cookie = name + "=;" +
                    "expires=" + exp.toGMTString() + ";" + 
                    "path=/";
}

function getCookie(name) {
  var cname = name + "=";
  var dc = document.cookie;
  if (dc.length > 0) {
    var start = dc.indexOf(cname);
    if (start != -1) {
      start += cname.length;
      var stop = dc.indexOf(";", start);
      if (stop == -1) stop = dc.length;
      return unescape(dc.substring(start,stop));
    }
  }
  return null;
}

function setStyleCookie() {
  setCookie(Keks, Stil, Tage);
}

function getStyleCookie() {
  return getCookie(Keks);
}

function delStyleCookie() {
  delCookie(Keks);
}


// Stylesheet für Netscape 4

if(document.layers)
  document.writeln("<link rel='stylesheet' type='text/css' href='/nn4.css' />");