// <![CDATA[

  function setCookie(cookieName,cookieValue,nDays) {
    var today = new Date();
    var expire = new Date();
    if (nDays==null || nDays==0) nDays=1;
    expire.setTime(today.getTime() + 3600000*24*nDays);
    document.cookie = cookieName+"="+escape(cookieValue) + ";expires="+expire.toGMTString();
  }

  function eraseCookie(name)
  {
    setCookie(name,"",-1);
    }

  function scaleText(percentage, set_cookie){
    /* scale text only if percentage is not equal to default font size */
    defaultfontsize = "100"; /* set to font-size on body element */
    bodyelem = document.getElementsByTagName("body")[0];
    /*alert("Foer: " + bodyelem.style.fontSize);*/
    if (percentage != defaultfontsize){
      bodyelem.style.fontSize = percentage + "%";
    }
    if ((percentage == defaultfontsize)&&(set_cookie)){
      bodyelem.style.fontSize = percentage + "%";
    }
    /*alert("Etter: " + bodyelem.style.fontSize);*/
    if (set_cookie){
      setCookie("basefontsize", percentage, 365);
    }
    /* adjust tekstskalering */
    adjustsize = defaultfontsize/percentage + "em";
    document.getElementById("tekstskalering").style.fontSize = adjustsize;
  }

  function setContrastColor(variant){
    // variant == 1 -> hvitt pa svart
    if (variant == 1){
      setCookie("cpc_whiteblack", "true", 1);
      setCookie("cpc_nc", "true", 1);
    }else {
      alert("Ugyldig variant, bruk 1.")
    }
    window.location.reload();
  }

  function setNormalColor(){
    eraseCookie("cpc_whiteblack");
    eraseCookie("cpc_nc");
    window.location.reload();
  }


    function inspectFontSizeCookie(){
    value = readCookie("basefontsize");
    if (value){
      scaleText(value, set_cookie=false);
    }
  }

  function readCookie(name){
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for(var i=0;i < ca.length;i++){
        var c = ca[i];
        while (c.charAt(0)==' ') c = c.substring(1,c.length);
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
      }
    return null;
  }
  function addEvent(elm, evType, fn, useCapture) {
    if (elm.addEventListener) {
      elm.addEventListener(evType, fn, useCapture);
      return true;
    } else if (elm.attachEvent) {
      var r = elm.attachEvent("on"+evType, fn);
      return r;
    }
  }

addEvent(window, "load", inspectFontSizeCookie);
// ]]>