function preserveRefby()
      {
          var queryStringRefby = "";
          var queryString = location.search.substring(1).toLowerCase();
          var firstchar = queryString.indexOf("refby=",0);
          if(firstchar >= 0)
	var secondchar = queryString.indexOf("&",firstchar+6);
          else
	var secondchar = -1;	 	
          if(secondchar > 0)
          {
                queryStringRefby = queryString.substring(firstchar+6, secondchar);
          }
          else if(firstchar >= 0){
                queryStringRefby = queryString.substring(firstchar+6, queryString.length);
          }
          if(queryStringRefby.length > 0)
          {
	document.getElementById("Refby").value = queryStringRefby;
          }			 
   }
   document.getElementById("terms").href = document.getElementById("terms").href + "?Refby=" + 

document.getElementById("Refby").value;
   document.getElementById("privacy").href = document.getElementById("privacy").href + "?Refby=" + 

document.getElementById("Refby").value;