<!--
  function numbersonly(myfield, e, dec)
  {
  var key;
  var keychar;

  if (window.event)
     key = window.event.keyCode;
  else if (e)
     key = e.which;
  else
     return true;
  keychar = String.fromCharCode(key);

  // control keys
  if ((key==null) || (key==0) || (key==8) || 
      (key==9) || (key==13) || (key==27) )
     return true;

  // numbers
  else if ((("0123456789").indexOf(keychar) > -1))
     return true;

  // decimal point jump
  else if (dec && (keychar == "."))
     {
     myfield.form.elements[dec].focus();
     return false;
     }
  else
     return false;
  }

  //-->