function getkey(e)
{
  var code;
  if (!e)
    var e = window.event;

  if (e.keyCode)
    code = e.keyCode;

  else
    if (e.which)
      code = e.which;

  return code;
}

function numeric(eX)
{
  test=getkey(eX);
  if (test<48 || test>57)
    return false;
}