var caution = false;

function setCookie(name, value, expires, path, domain, secure) {
    var curCookie = name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires.toGMTString() : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
    if (!caution || (name + "=" + escape(value)).length <= 4000)
        document.cookie = curCookie;
    else
        if (confirm("Cookie exceeds 4KB and will be cut!"))
            document.cookie = curCookie;
}

function getCookie(name) {
    var prefix = name + "=";
    var cookieStartIndex = document.cookie.indexOf(prefix);
    if (cookieStartIndex == -1)
        return null;
    var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length);
    if (cookieEndIndex == -1)
        cookieEndIndex = document.cookie.length;
    return unescape(document.cookie.substring(cookieStartIndex + prefix.length, cookieEndIndex));
}

function deleteCookie(name, path, domain) {
    if (getCookie(name)) {
        document.cookie = name + "=" + 
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}