heh

        <script type="text/javascript">
          var value = "";
          function getNumbers(a)
            {
              var parameter = a;
              var number = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9"];
              if (number[a] == a)
              {
                value += number[parameter]
                document.getElementById("calculator").innerHTML = value;
              }

            }
        </script>