function textsize(ems, forcepostback) {
    var contentdiv = document.getElementById("resizable");
    if (contentdiv != null) {
        contentdiv.style.fontSize = ems;
        SetCookie("CFp2TextSize", ems);
    }
    if (forcepostback) AspNetPostBack();
    return false;
}

function SetTextSizeFromCookie() {
    var newSize = GetCookie("CFp2TextSize");
    if (newSize == "") newSize = "0.8em";
    textsize(newSize, false);
}

function GetCookie(cname) {
    if (document.cookie != "") {
        thisCookie = document.cookie.split("; ");
        for (i = 0; i < thisCookie.length; i++) {
            if (cname == thisCookie[i].split("=")[0]) return thisCookie[i].split("=")[1];
        }
    }
    return "";
}

function SetCookie(cname, cval) {
    var cookieDomain = ";domain=carbonfootprint.com";
    try { if (document.domain.toLowerCase().indexOf("carbonfootprint.com") == -1) cookieDomain = ""; }
    catch (err) { }
    document.cookie = cname + "=" + cval + ";path=/" + cookieDomain;
}