function setCookie(name, value, expires, path, domain, secure) {

      var thisCookie = name + "=" + escape(value) +
          ((expires) ? "; expires=" + expires.toGMTString() : "") +
          ((path) ? "; path=" + path : "") +
          ((domain) ? "; domain=" + domain : "") +
          ((secure) ? "; secure" : "");
          document.cookie = thisCookie;
      }



   function getCookie(name) {

      var prefix = name + "=";
      var cookieStartIndex = document.cookie.indexOf(prefix);

      if (cookieStartIndex == -1)
         return null; // cookie does not exist

      var cookieEndIndex =
         document.cookie.indexOf(";", cookieStartIndex + prefix.length);

      if (cookieEndIndex == -1)
         cookieEndIndex = document.cookie.length;
     
      return unescape(document.cookie.substring(cookieStartIndex + prefix.length, cookieEndIndex));
   }

var today = new Date();
var expires = new Date();
expires.setTime(today.getTime() + 1000*60*60*24);