<!-- hide from non JS
      strReference = new String(location);
      function getReference() {
         var offset = 1;     
         if (strReference.length > 0) {
            endStr = strReference.length; 
            var position1 = strReference.indexOf("?",offset)
            var position2 = strReference.indexOf("=",offset)
            if(position2 > 0  && strReference.substring(position1+1,position1+4) == "ref") {
               strQuestion=strReference.substring(position1+5, endStr);
               strQuest=strQuestion.replace(/-/g," ");
               return strQuest;
            }   
         }
      }
<!-- end -->