var cookyName = 'oebb_New_fonsize';

function setcookie(name, value, days, path, domain, secure) {
    var expires = -1;
    if (typeof days == "number" && days >= 0) {
        var d = new Date();
        d.setTime(d.getTime() + (days * 24 * 60 * 60 * 1000));
        expires = d.toGMTString();
    }
    //value = escape(value);

    document.cookie = name + "=" + value + ";" + (expires != -1 ? " expires=" + expires + ";" : "") + (path ? "path=" + path : "") + (domain ? "; domain=" + domain : "") + (secure ? "; secure" : "");
}
function delcookie(name) {
    setcookie(name, "-", 0);
}
function getcookie(name) {
    var idx = document.cookie.indexOf(name + '=');
    if (idx == -1) {
        return null;
    }
    var value = document.cookie.substring(idx + name.length + 1);
    var end = value.indexOf(';');
    if (end == -1) {
        end = value.length;
    }
    value = value.substring(0, end);
    //  value = unescape(value);

    return value;
}


function setFontSize(fs) {
         dropDownListResizeHandler();
    var defaultVal = 75.0;
    var myVal = 75.0;
    var stepValue = 10.0;
    var stepsDown = 0;
    var stepsUp = 4;
    if (getcookie(cookyName)) {

        myVal = parseFloat(getcookie(cookyName));

    }
    else {
        myVal = defaultVal;
    }
    if (fs == '+') {
        myVal = myVal + stepValue;
    }
    else if (fs == '-') {
        myVal = myVal - stepValue;
    }
     else if (fs == '0') {

        myVal = defaultVal;
    }

    if ((defaultVal - stepValue * stepsDown) && myVal <= (defaultVal + stepValue * stepsUp)) {
        document.body.style.fontSize = myVal + "%";
        setcookie(cookyName, myVal, 365, '/');


        if (myVal == (defaultVal - stepValue * stepsDown)) {
            jQuery("#fontDownLink").css("display", "none")

        }
        else {
            jQuery("#fontDownLink").css("display", "block")

        }

        if (myVal == (defaultVal + stepValue * stepsUp)) {
            jQuery("#fontUpLink").css("display", "none")
        }
        else{
            jQuery("#fontUpLink").css("display", "block")

        }


        }
    }