function noneSelected(radGrp) {
    var chk = true;
    for (var i=0; i < radGrp.length; i++) {
      if (radGrp[i].checked) {chk = false}
    }
    return chk;
  }

  function radVal(radGrp) {
    for (var i=0; i < radGrp.length; i++) {
      if (radGrp[i].checked) {return radGrp[i].value}
    }
    return 0;
  }

  function calcIt(f)
  {
//      f.total.value=f.rba.value + f.rbb.value + f.rbc.value + f.rbd.value + f.rbe.value + f.rbf.value + f.rbg.value + f.rbh.value + f.rbi.value + f.rbj.value;
      f.total.value=parseInt(radVal(f.rba)) + parseInt(radVal(f.rbb)) + parseInt(radVal(f.rbc)) + parseInt(radVal(f.rbd)) + parseInt(radVal(f.rbe)) + parseInt(radVal(f.rbf)) + parseInt(radVal(f.rbg)) + parseInt(radVal(f.rbh)) + parseInt(radVal(f.rbi)) + parseInt(radVal(f.rbj));

      if (f.total.value >=0 && f.total.value <=9)
      {
          loadLyr("lyr2")
      }
      else
      if (f.total.value >=10 && f.total.value <=14)
      {
          loadLyr("lyr3")
      }
      else
      if (f.total.value >=15 && f.total.value <=19)
      {
          loadLyr("lyr4")
      }
      else
      if (f.total.value >=20)
      {
          loadLyr("lyr5")
      }
      
      return false;

  }

  function Validate_Form(f)
  {
      var msg="";
      var empty_fields = "";
      var errors = "";

      msg += "Please answer all the questions to receive an accurate evaluation \n";
      msg += "_______________________________\n\n"
  
      if (noneSelected(f.rba)) {
        msg += " · Please answer question 1 \n";
        errors = "Y";
      }
      if (noneSelected(f.rbb)) {
        msg += " · Please answer question 2 \n";
        errors = "Y";
      }
      if (noneSelected(f.rbc)) {
        msg += " · Please answer question 3 \n";
        errors = "Y";
      }
      if (noneSelected(f.rbd)) {
        msg += " · Please answer question 4 \n";
        errors = "Y";
      }
      if (noneSelected(f.rbe)) {
        msg += " · Please answer question 5 \n";
        errors = "Y";
      }
      if (noneSelected(f.rbf)) {
        msg += " · Please answer question 6 \n";
        errors = "Y";
      }
      if (noneSelected(f.rbg)) {
        msg += " · Please answer question 7 \n";
        errors = "Y";
      }
      if (noneSelected(f.rbh)) {
        msg += " · Please answer question 8 \n";
        errors = "Y";
      }
      if (noneSelected(f.rbi)) {
        msg += " · Please answer question 9 \n";
        errors = "Y";
      }
      if (noneSelected(f.rbj)) {
        msg += " · Please answer question 10 \n";
        errors = "Y";
      }
  
      if (errors) alert(msg);
      if (!errors) calcIt(f);

      return false;
  }