function jcap(aFld)
{

  if (document.editform.challenge.value == "")
  {
    alert("Please enter a value for the \"Challenge\" field.");
    document.editform.challenge.focus();
    return (false);
  }
 
  if (document.editform.challenge.value.length < 1)
  {
    alert("Please enter at least 1 characters in the \"Challenge\" field.");
    document.editform.challenge.focus();
    return (false);
  }
 
  if (document.editform.challenge.value.length > 3)
  {
    alert("Please enter at most 3 characters in the \"Challenge\" field.");
    document.editform.challenge.focus();
    return (false);
  }
 
  var checkOK = "0123456789-.,";
  var checkStr = document.editform.challenge .value;
  var allValid = true;
  var validGroups = true;
  var decPoints = 0;
  var allNum = "";
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
    if (ch == ".")
    {
      allNum += ".";
      decPoints++;
    }
    else if (ch == "," && decPoints != 0)
    {
      validGroups = false;
      break;
    }
    else if (ch != ",")
      allNum += ch;
  }
  if (!allValid)
  {
    alert("Please enter only digit characters in the \"Challenge\" field.");
    document.editform.challenge.focus();
    return (false);
  }
 
  if (decPoints > 1 || !validGroups)
  {
    alert("Please enter a valid number in the \"Challenge\" field.");
    document.editform.challenge.focus();
    return (false);
  }
 
  var chkVal = allNum;
  var prsVal = parseFloat(allNum);
  if (chkVal != "" && !(prsVal == "12"))
  {
    alert("Please enter the correct value in the \"Challenge\" field.");
    document.editform.challenge.focus();
    return (false);
  }
  return (true);
}

//  End -->