var checkOK = "0123456789";
  var checkStr = document.myform.name.value;
  var allValid = 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))
        {
            allValid = false;
            break;
        }
    allNum += ch;
    }
  if (!allValid)
    {
        alert("no number in name");
        return (false);
    }