ajax

 function fill(){
  if(){
   alert("");
   return ;
  }
  if(){
   alert("");
   return ;
  }
  
  if(){
   alert("");
   return ;
  }
  var id= ;
  if(id!=null){
   var url = "<%=path%>/test/test!test.action";
   var params = "personId=" + id.value;
   var myAjax = new Ajax.Request(
    url,
    {
     method: 'post',
     parameters: params,
     onComplete: Completes
    }
      );
  }
 }
 
 function Completes(request){
  var action = request.responseText.parseJSON();
  var wei= action.wei;
  if(wei==null){
   alert();
   return;
  }
  window.location.href="<%=path%>/wei/weiManagerAction!detailDoctor.action?personId="+weit.personId+"&counter="+weight.counter;
  
 }