function setCookie (name, value, expires, path, domain, secure) {    var curCookie = name + "=" + escape(value) + (expires ? "; expires=" + expires : "") +        (path ? "; path=" + path : "") + (domain ? "; domain=" + domain : "") + (secure ? "secure" : "");    document.cookie = curCookie;}function getCookie (name) {    var prefix = name + '=';    var c = document.cookie;    var nullstring = '';    var cookieStartIndex = c.indexOf(prefix);    if (cookieStartIndex == -1)        return nullstring;    var cookieEndIndex = c.indexOf(";", cookieStartIndex + prefix.length);    if (cookieEndIndex == -1)        cookieEndIndex = c.length;    return unescape(c.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";}