function setCookie (name, value) { 
      var argv = setCookie.arguments; 
      var argc = setCookie.arguments.length; 
      var expires = (argc > 2) ? argv[2] : null; 
      var path = (argc > 3) ? argv[3] : null; 
      var domain = (argc > 4) ? argv[4] : null; 
      var secure = (argc > 5) ? argv[5] : false; 
      tempcook = name + "=" + escape (value) + 
       ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) + 
       ((path == null) ? "" : ("; path=" + path)) + 
       ((domain == null) ? "" : ("; domain=" + domain)) + 
         ((secure == true) ? "; secure" : "");
      document.cookie = tempcook;
      }

     function getCookie(name) {
      var cookie = " " + document.cookie;
      var search = " " + name + "=";
      var setStr = null;
      var offset = 0;
      var end = 0;
      if (cookie.length > 0) {
       offset = cookie.indexOf(search);
       if (offset != -1) {
        offset += search.length;
        end = cookie.indexOf(";", offset)
        if (end == -1) {
         end = cookie.length;
         };
        setStr = unescape(cookie.substring(offset, end));
        };
       };
      return(setStr);
      };

     function delCookie (name) {
      document.cookie = name + "=del;expires=Mon, 06-Jan-2003 00:00:00 GMT";
      };