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" : "");
         document.cookie = curCookie;
}
function getCookie(name) {
       var dc = document.cookie;
       var prefix = name + "=";
       var begin = dc.indexOf("; " + prefix);
       if (begin == -1) {
       begin = dc.indexOf(prefix);
       if (begin != 0) return null;
       } else
       begin += 2;
       var end = document.cookie.indexOf(";", begin);
       if (end == -1)
       end = dc.length;
       return unescape(dc.substring(begin + prefix.length, end));
}
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";
              history.go(0);
       }
}
function fixDate(date) {
       var base = new Date(0);
       var skew = base.getTime();
       if (skew > 0) date.setTime(date.getTime() - skew);
}