ns4 = (document.layers)? true:false;
      ie4 = (document.all)? true:false;

      function removeNotice(objId)
      {
          if (ns4) obj = document.layers[objId];
          if (ie4) obj = document.all[objId].style;

          var elem = document.getElementById( objId );
          elem.style.display="none";

          createCookie('hideSurvey', 'true', 365);
      }

      function createCookie(name, value, days)
      {
          if (days)
          {
              var date = new Date();
              date.setTime(date.getTime()+(days*24*60*60*1000));
              var expires = "; expires="+date.toGMTString();
          }
          else var expires = "";
          document.cookie = name+"="+value+expires+"; path=/";
      }

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

      function eraseCookie(name)
      {
	      createCookie(name,"",-1);
      }