fsCookie = 0;
var fsString = new Array();

if(document.cookie.indexOf('fontsize=4') >= 0) {
    fsCookie = 4;
    document.write('<link rel="stylesheet" type="text/css" href="/misc/ms/biogen/font4.css" />\n');
} else if(document.cookie.indexOf('fontsize=3') >= 0) {
    fsCookie = 3;
    document.write('<link rel="stylesheet" type="text/css" href="/misc/ms/biogen/font3.css" />\n');
} else if (document.cookie.indexOf('fontsize=2') >= 0) {
    fsCookie = 2;
    document.write('<link rel="stylesheet" type="text/css" href="/misc/ms/biogen/font2.css" />\n');
} else if (document.cookie.indexOf('fontsize=1') >= 0) {
    fsCookie = 1;
    document.write('<link rel="stylesheet" type="text/css" href="/misc/ms/biogen/font1.css" />\n');
} else {
    fsCookie = 0;
}

function fsMinus() {
    if (fsCookie > 0) {
        fontScale(fsCookie-1);
    }
}
function fsPlus() {
    if (fsCookie < 4) {
        fontScale(fsCookie+1);
    }
}

function fontScale(fontgr) {
    if (navigator.cookieEnabled && document.cookie.length>0) {
        var datum = new Date();
        datum.setTime(datum.getTime() + (1000 * 3600 * 24 * 365));
        document.cookie = 'fontsize=' + fontgr + '; ' + 'expires=' + datum.toGMTString() + '; ' + 'path=/';
        window.location.reload(false);
    } else {
        window.alert("Diese Funktion setzt das Akzeptieren von Cookies voraus!");
    }
}