/*<![CDATA[*/
    function createCookie(name, value, days) {
        if (days) {
            var date = new Date();
            date.setTime(date.getTime() + (days * 86400000)); //86400000 = milliseconden per dag
            var expires = "; expires=" + date.toGMTString();
        }
        else {
            var expires = "";
        }
        document.cookie = name + "=" + value + expires + "; path=/";
    }

    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 eraseCookie(name) {
        createCookie(name, "", -1);
    }

    function changeFontSize(newSize) {
        var body = document.getElementsByTagName('body')[0];
        var size = parseInt(body.style.fontSize.replace("%", ""));
        if (size == null) { return };
        body.style.fontSize = newSize;
        createCookie('fontSize', body.style.fontSize, 365);
    }

    function setFontSize() {
        var cookieFontSize = readCookie('fontSize');
        var body = document.getElementsByTagName('body')[0];
        if (cookieFontSize == null) body.style.fontSize = '100%';
        else body.style.fontSize = cookieFontSize;
    }

    setFontSize();
    /*]]>*/