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 ((name + "=" + escape(value)).length <= 4000)
                document.cookie = curCookie;
        else
                if (confirm("Cookie превышает 4KB и будет вырезан !"))
                        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";
        }
}