JavaScript Cookies

  Cookie: {

    setCookie: function(cname, cvalue, exdays) {
  
      var d = new Date();
      d.setTime(d.getTime() + (exdays*24*60*60*1000));
      var expires = "expires="+d.toUTCString();

      document.cookie = cname + "=" + cvalue + "; " + expires;

    },

    getCookie: function(cname) {

      var name = cname + "=";
      var ca = document.cookie.split(';');
  
      for(var i=0; i<ca.length; i++) {
          var c = ca[i];
          while (c.charAt(0)==' ') c = c.substring(1);
          if (c.indexOf(name) == 0) return c.substring(name.length,c.length);
      }

      return "";

    }, 

    deleteCookie: function(cname) {

      document.cookie = cname + '=; expires=Thu, 01 Jan 1970 00:00:01 GMT;';

    }

  },