function set_cookie(name,value,days) {
    if (days) {
        var date = new Date();
        date.setTime(date.getTime()+(days*24*60*60*1000));
        var expires = "; expires="+date.toGMTString();
    }
    else var expires = "";
    document.cookie = name+"="+value+expires+"; path=/";
}

function get_cookie(name) {
    var name_eq = 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(name_eq) == 0) return c.substring(name_eq.length,c.length);
    }
    return null;
}


if(get_cookie("fontsize") != null){   
    var fontsize = get_cookie("fontsize");
    document.write('<style>');
    document.write('body { font-size:'+ fontsize + '% }');
    document.write('#header { font-size:'+ Math.floor(100*100/fontsize) + '% }');
    document.write('</style>');
}else{
    document.write('<style>');
    document.write('body { font-size: 100% }');
    document.write('#header { font-size: 100% }');
    document.write('</style>');  
}