setvisible not working if set previously

System

hi all, in a replicant, i have 3 fields that display based on the selection of a radio button. when the form first loads, it checks to see the selection is no, and if so, then hides the 3 fields. when a replicant is added, it hides the 3 fields. Then when the user makes a change with the radio button, it hides the 3 fields if the user changes to no.

The onchange for the radio button works for first blank entry but it will not change the visibility after a replicant has been added. any idea what might be happening?

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IWEventRegistry.addFormHandler("onFormInit", init);

   function init(){
     setup();
     IWEventRegistry.addItemHandler("/years/year/months/month/nrs/nr", "OnReplicantAdded", onAdd);
     IWEventRegistry.addItemHandler("/years/year/months/month/nrs/nr/fp", "onItemChange", setVisi);
       }

   function setup() {
    var controlledItem = IWDatacapture.getItem("/years/year/months/month/nrs/nr");
    var children = controlledItem.getChildren();
       for (var i=0; i < children.length; i++){
           var replicantInstance = children;
           var fpItem = replicantInstance.getChildByName("fp");
           var headlineItem = replicantInstance.getChildByName("headline");        
     if (fpItem.getValue() == "1") {
      headlineItem.setVisible(false);
     }
    }
   }

   function onAdd(item) {
    var path = item.getName();
    var headlinePath = path + "/headline";
    IWDatacapture.getItem(headlinePath).setVisible(false);     
   }


   function setVisi(item) {
    var path = item.getName();
    var headlinepath = path + "/../headline";
    var captionpath = path + "/../caption";
    var fpItem = item.getValue();

    if (item.getValue() == "0") {
     alert(path);
     toggleItem(headlinepath, "show");
     toggleItem(captionpath, "show");
    }

    else {
     toggleItem(headlinepath, "hide");
     toggleItem(captionpath, "hide");
    }
   }

   function toggleItem(instance, view) {
    if (view == "show") {
    alert("works");
    IWDatacapture.getItem(instance).setVisible(true);
    }

    else {
    IWDatacapture.getItem(instance).setVisible(false);
    }
   }
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